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Abit KR7A-133 Motherboard

1. Note Watch the pin position and the orientation User s Manual 2 10 Chapter 2 Caution If the power supply connectors are not properly attached to the ATX power supply the power supply or add on cards may be damaged One end of AC power core connects to ATX power supply and the other end AC plug will plug into the wall outlet Be aware that when facing the wall outlet the round hole is in the middle The right side slot is called ground wire slot It has a longer slot length than the left side slot The left side slot is called the live wire slot You can use an electroscope to detect its polarity or you can use a voltage meter to measure the voltage of both slot sides If you insert an electroscope into the live wire slot the electroscope will light up Using a voltage meter you will find that the live wire slot will register a higher voltage If you reverse the polarity of AC plug it may affect the life of computer equipment or cause an electric shock when you touch the computer chassis We suggest that you plug the computer AC plug to a three hole wall outlet for better safety and to avoid electric shock 2 FAN1 FAN2 FAN3 amp FANS header Attach the connector from the CPU fan to the header named FANI ond connector from the chassis fan to the header FAN2 These two fan headers have a sense signal that can detect fan rotati
2. User s Manual 3 24 Chapter 3 Init Display First Two options are available PCI Slot or AGP The default setting is PCI Slot When you install more than one display card you can choose either a PCI display card PCI Slot or an AGP display card AGP to display the boot up screen If you have only installed one display card the BIOS will detect which slot or PCI you installed it and everything will be taken care of by the BIOS USB Controller Four options are available Disabled gt All Enabled gt 1 USB Port gt 2 USB Port The default setting is Enabled This should be enabled if your system has a USB device installed on the system board and you wish to use it If you add a higher performance controller you will need to disable this feature If you choose disable this item the USB Keyboard Support item will disappear in ntegrated Peripherals menu gt USB Keyboard Support Two options are available OS and BIOS The default setting is OS If your operating system supports a USB keyboard please set it to OS Only in some situations such as in a pure DOS environment that does not support a USB keyboard should you set it to BIOS ATA 133 RAID Controller KR7A 133R Only Two options are available Disabled or Enabled The default setting is Enabled If your motherboard is the KR7A 133R it has the built in HighPoint 372 chipset that can support Ultra ATA 133 specifications If you set this c
3. e eee eere een 5 1 5 1 5 2 5 3 CHAPTER 6 APPENDIX A VIA 4 IN 1 DRIVERS INSTALLATION FOR WINDOWS 98 SE 4 WINDOWS 2000 400000100 1 4200 0266 02 Rev 1 01 APPENDIX B INSTALLING THE HARDWARE MONITOR SYSTEM B 2 APPENDIX C BIOS UPDATE GUIDE eere eere 2 APPENDIX D TROUBLESHOOTING NEED ASSISTANCE D 2 APPENDIX E HOW TO GET TECHNICAL SUPPORT eee E 2 KR7A 133 KR7A 133R Introduction of KR7A 133 KR7A 133R Features 1 1 Chapter 1 Introduction of KR7A 133 KR7A 133R Features 1 1 Features of KR7A 133 KR7A 133R Motherboard This motherboard is designed for AMD Socket A Athlon XP Athlon and Duron processors It supports the AMD Socket A structure with up to 3 GB Unbuffered or 3 5 GB Registered of memory super I O and Green PC functions The KR7A 133 KR7A 133R uses the VIA VT8366A and VT8233A chipsets to make the evolutionary move from PC 100 PC 133 SDRAM to PC 1600 PC 2100 DDR SDRAM increasing the speed of the system and memory buses from 100 MHz to 133 MHz Its 200 266 MHz memory interface supports the wide range of PC 1600 PC 2100 DDR SDRAM memory devices now on the market VIA VT8366A is a system bus controller or northbridge that houses the high speed system elements critical to overall system performance while also containing the system interface to the processor The key functions ofthe VT8366A System Controller include th
4. Note This chapter contains many color drawing diagram and photos we strongly recommend you to read this chapter use the PDF file we gave you that store in the CD Title It will provide you the better look and clearly color identify KR7A 133 KR7A 133R Introducing the BIOS 3 1 Chapter 3 Introducing the BIOS The BIOS is a program located on a Flash Memory chip on the motherboard This program will not be lost when you turn the computer off This program is also referred to as the boot program It is the only channel the hardware circuit has to communicate with the operating system Its main function is to manage the setup of the motherboard and interface card parameters including simple parameters such as time date hard disk drive as well as more complex parameters such as hardware synchronization device operating mode SOFT MENU features and setup of CPU speed The computer will operate normally or will operate at its best only if all of these parameters are correctly configured through the BIOS Don t change the parameters inside the BIOS unless you fully understand the meanings and consequences The parameters inside the BIOS are used to setup the hardware synchronization or the device operating mode If the parameters are not correct they will produce errors the computer will crash and sometimes you will even not be able to boot the computer after it has crashed We recommend that you do not cha
5. xl12 x12 5 13 gt over x13 gt Speed Error Hold Two options are available Disabled gt Enabled The default setting is Disabled If you change the setting to Enabled when the CPU speed setting is wrong the system will hold Normally we do not recommend that you use the User Define option to setup CPU speed and PCI clock This option is for setup of future CPUs whose specifications are still unknown The specifications of all present CPUs are included in the default settings Unless you are very familiar with all CPU parameters it is very easy to make mistakes when you define the external clock and the multiplier factor by yourself Solution in case of booting problem due to invalid clock setup Normally if the CPU clock setup is wrong you will not be able to boot In this case turn the system off then on again The CPU will automatically use its standard parameters to boot You can then enter the BIOS Setup again and set up the CPU clock If you can t enter the BIOS setup you must try turning the KR7A 133 KR7A 133R Introducing the BIOS 3 5 system on a few times 3 4 times or press INSERT key when turning on and the system will automatically use its standard parameters to boot You can then enter BIOS SETUP again and set up the new parameters When you change your CPU This motherboard has been designed in such a way that you can turn the system on after having inserted a CPU in the socket without having to conf
6. Optimized Figure 3 5B DRAM Clock Drive Control Screen Current FSB Frequency This item will show you the current system front side bus speed Current DRAM Frequency This item will show you the current DRAM bus speed DRAM Clock Three options are available 100 MHz 5 133 MHz gt By SPD The default setting is By SPD You can set the DRAM running speed but if your DRAM module does not support the set speed the system may be unstable or unable to boot up If you set to By SPD the BIOS will read the DRAM module SPD data and automatically set the DRAM running speed to the value stored in it KR7A 133 KR7A 133R Introducing the BIOS 3 15 What s SPD SPD Serial Presence Detect is a feature available on a number of SDRAM DDR SDRAM DIMM modules that solves industry wide compatibility problems by making it easier for the BIOS to properly configure the system to fit SDRAM performance profiles The SPD device is a small serial EEPROM chip that stores various information about the DIMM module s size speed voltage drive strength latency timing and the number of row and column addresses When the BIOS reads these parameters during POST it automatically adjusts the values in the CMOS Advanced Chipset Features screen for maximum reliability and performance Without SPD the BIOS or user must make assumptions about the DIMM s parameters Many users have found that their system will not boot if they a
7. by specific PCI processor and chipset specifications Exceeding these standard bus speeds is not guaranteed due to the specific component specifications Specifications and information contained in this manual are subject to change without notice Note brand names and trademarks are the property of their respective owners User s Manual 14 Chapter 1 1 3 Item Checklist Check that your package is complete If you discover any damaged or missing items please contact your retailer or dealer One ABIT KR7A 133 or one KR7A 133R motherboard One 80 wire 40 pin ribbon cable for master and slave Ultra DMA 133 Ultra DMA 100 Ultra DMA 66 or Ultra DMA 33 IDE devices KR7A 133 Only Two 80 wire 40 pin ribbon cable for master and slave Ultra DMA 133 Ultra DMA 100 Ultra DMA 66 or Ultra DMA 33 IDE devices KR7A 133R Only One ribbon cable for 3 5 floppy disk devices One compact disc for support drivers and utilities One USB cable One DIY bag One user s manual for the motherboard One quick installation guide for the motherboard One floppy disk of HPT 372 drivers KR7A 133R Only KR7A 133 KR7A 133R Introduction of KR7A 133 KR7A 133R Features 1 5 1 4 Layout Diagram for KR7A 133 KR7A 133R Red mark 1 i For KRTA A 133R VIA VTE365A Potty iti ONLY Figure 1 1 KR7A 133 KR7A 133R motherboard component loca
8. Bevice Bn Third Boot Devise 18120 TT Bast Giher T Enabled or TOE Hard Floppy Brive Disab led ck ba Bost Bp Floppy Seek Disabled Uf th Boot Status n anah Typemalic Rale Selling Enabled attempt 1 Rate Cfhars Sec I0 i this lvpematic Delay Hsec 50 ah mr show Securiiy Bplien cele cus APLC Disabled 03 Select For Heport FOR For 7 Ho Video BIOS Shadow Foakled Delay IDE Initial 6 4 Small LogelkPal She Disabled t hoire EntercSelect Fiibemeral Help F5 Prevoeis Valores F Fail Safe Fi Opttmared Delauwltis Figure 3 4 Advanced BIOS Features Setup Screen User s Manual 3 10 Chapter 3 Virus Warning This item can be set to Enabled or Disabled the default setting being Disabled When this feature is enabled if there is any attempt from a software or an application to access the boot sector or the partition table the BIOS will warn you that a boot virus is attempting to access the hard disk CPU L2 Cache ECC Checking Two options are available Enabled or Disabled The default setting is Enabled This item is used to enable or to disable the CPU level 2 cache ECC checking function Quick Power On Self Test After the computer has been powered on the BIOS of the motherboard will run a series of test
9. Flare Brien 2 Made Tupper FE E piimired Figure 3 3A Standard CMOS Setup Screen Shot Date mm dd You can set the date in this item month mm date dd and year yy Time hh mm ss You can set the time in this item hour hh minute mm and second ss IDE Primary Master Slave and IDE Secondary Master Slave These items have a sub menu to let you choose further options You can refer to figure 3 3B to check what options are available Wijilki y PI APER POOI 100 Primary Hasier IDE ete Peteclien Ener IT Help Primary Baxter Lasel Accras Hude the am i TET Fi Gescrel fic Balecs Fit Fail Safe Beton lis ea ee Figure 3 3B IDE Primary Master Setup Screen Shot KR7A 133 KR7A 133R Introducing the BIOS 3 7 IDE HDD Auto Detection Press the Enter key for the BIOS to auto detect all detailed parameters of the hard disk drivers HDD If auto detection is successful the correct values will be shown in the remaining items of this menu Note Anew IDE HDD must be first formatted otherwise it can not read write The basic step in using a HDD is to run FDISK and then FORMAT the drive Most current HDDs have already been subjected to low level format at the factory so you ca
10. PCD Pus ral Fress Enter Heng Memory Hole Disabled BIBS Cachtable Disab led Video RAH Cacheable Disab led TiztMowre ESCG E xit Filsiemeral Help FS Previous Fo Fasl Safe F7 Optimized Defaults Figure 3 5A Advanced Chipset Features Setup Screen You can use the arrow keys to move between the items Use PgUP PgDn or key to change the values When you have finished setting up the chipset press lt ESC gt to go back to the main menu Note The parameters in this screen are for system designers service personnel and technically competent users only Do not reset these values unless you understand the consequences of your changes User s Manual 3 14 Chapter 3 DRAM Clock Drive Control This item can let you set several items concerning the DRAM parameters If you do not understand what each item does please keep the default settings Wrong settings may cause system unstablity data loss or even prevent boot up URAH Cleck Timing DRAH 3 Bank later Frecharge to Trp IT Active to Frecharget Tras Active to CHOL redi DOR 005 1 Delay DOA OOF Gutput Delay Command Drive Stenqgth Qerue Depth Hate DELE Feedback Delay PS ESE Esit Firbentral Help FS Previows Values F Fail Safe Defaolis F7
11. adapter then you can connect your AT keyboard to this connector We suggest you use a PS 2 keyboard for best compatibility 14 PS 2 Mouse Connector ML Attach a PS 2 mouse to this 6 pin Din connector User s Manual 2 18 Chapter 2 15 USB Port Connectors This motherboard provides two USB ports Attach the USB connector from the individual device to these connectors You can attach USB such as a scanner digital speakers monitor mouse keyboard hub digital camera joystick etc to one of each USB connector You must make 1 sure your operating system supports TF this feature and you may need to m m install an additional driver for individual devices In Please refer to FQN Micke igi Camere your device user s manual for detailed information 16 Serial Port COMI amp COM2 Port Connectors This motherboard provides two COM ports you can connect an external modem mouse or other devices that support this communication protocol to these connectors You can decide which external devices you want to connect to COMI and COM2 Each COM port can only have one device connected at a time 17 Parallel Port Connector This parallel port is also called an LPT port because it usually connects to the printer You can connect other devices that support this communication protocol like an EPP ECP scanner etc Laser Printer Inkjet Primer CPR CE Scanner
12. attempted to write this document in a very clear concise and descriptive manner to help overcome any obstacles you may face during installation Diagram and Photos This chapter contains many color drawings diagrams and photos we strongly recommend you read this chapter use the PDF file that is stored on the CD Title Color improves the clarity and quality of the diagrams For the downloadable edition as files larger than 3 MB are difficult to download we will cut the graphics and photo resolution to reduce the manual file size In such this case if your manual is downloaded from our WEB site and not from a CD ROM enlarging graphics or photos will distort the image User s Manual 2 2 Chapter 2 2 1 Installation of the AMD Athlon XP Athlon and Duron CPU Note Installing a heatsink and cooling fan is necessary for heat to dissipate from your processor Failing to install these items may result in overheating and processor damage The AMD Socket A processor will produce a lot of heat while operating so you need to use a large heat sink that is especially designed for the AMD socket A processor Otherwise it may result in overheating and processor damage If your processor fan and its power cable are not installed properly never plug the ATX power cable into the motherboard This can prevent possible processor damage Please refer to your processor installation manual or other documentation with your
13. contact with the right side of the Socket In this situation the processor die does not properly contact the heatsink If you start the computer at this monent it will immediately cause the processor damage Always check this place when you finish the heatsink installation Installing the Motherboard 2 5 2 2 Installing the Motherboard to the Chassis After you install the processor to the motherboard you can start to fix the motherboard into the chassis Most computer chassis will have a base on which there will be many mounting holes that allows the motherboard to be securely attached and at the same time prevents short circuits There are two ways to attach the motherboard to the base of chassis With studs With spacers Please refer to figure 2 3 which shows the studs and spacers There may be several types but all look like the figures below In principle the best way to attach the motherboard is with studs Only if you are unable to do this should you attach the board with spacers Take a careful look at the motherboard and you will see many mounting holes on it Line these holes up SPACER with the mounting holes on the base If E the holes line up and there are screw Figure 2 3 The outline of stud holes this means you can attach the and spacer motherboard with studs If the holes line up and there are only slots this means you can only attach the motherboard with Screw Screw zog 2 3 IF spacers Take
14. efficiency data transfer rate through the IDE channels This also means that your computer in total can connect up to eight IDE devices IDE1 IDEA This allows for maximum expandability for future hardware demands This chipset also supports IDE RAID inlcuding RAID 0 RAID 1 and RAID 0 1 This feature enables you to maximize your data storage performance and security KR7A 133R Only KR7A 133 KR7A 133R provides high flexibility to users building AMD Socket A Athlon XP Athlon and Duron systems It provides the option of 133MHz 133MHz CPU and memory bus combinations The KR7A 133 KR7A 133R has built in hardware monitoring functions refer to Appendix B for detailed information to ensure a safe computing environment User s Manual 1 2 Chapter 1 1 2 Specifications gt CPU Supports AMD Athlon XP 1500 2100 or future Socket A processors based on 200 MHz 266 MHz 100 MHz 133 MHz Double Data Rate Supports AMD Athlon 700 MHz 1 4 GHz or future Socket A processors based on 200 MHz 266 MHz 100 MHz 133 MHz Double Data Rate Supports AMD Duron 600 MHz 1 2 GHz or future Socket A processors based on 200 MHz 100 MHz Double Data Rate Supports 200 MHz Alpha EV6 bus for the AMD Athlon XP Athlon and Duron processors Chipset B VIA VT8366A and VT8233A chipsets Supports Ultra DMA 33 Ultra DMA 66 Ultra DMA 100 and Ultra DMA 133 IDE protocol Supports Advanced Configuratio
15. module please place the computer power switch in the off position and disconnect the AC power cord from your computer Step 2 Remove the computer s chassis cover Step 3 Before touching any electronic components make sure you first touch an unpainted grounded metal object to discharge any static electricity stored on your clothing or body Step 4 Locate your computer s 184 pin memory expansion DDR DIMM socket KR7A 133 KR7A 133R Installing the Motherboard 2 7 Step 5 Insert the DDR DIMM module into the expansion socket as shown in the illustration Note how the module is keyed to the socket You can refer to Figure 2 6 for the details This insures the DDR DIMM module will be plugged into the socket in one way only Firmly press the DDR DIMM module into DDR DIMM socket making certain the module is completely seated in the DDR DIMM socket Step 6 Once the DDR DIMM module has been installed the installation is complete and the computer s cover can be replaced Or you can continue to install other devices and add on cards that are mentioned in the following section Figure 2 6 DDR DIMM module installation Note When you install DDR DIMM module fully into the DDR DIMM socket the eject tab should be locked into the DDR DIMM module very firmly and fit into its indention on the both sides It is difficult to differentiate between the PC1600 and PC2100 DDR SDRAM modules from the exterior The onl
16. on the hard disk itself Please refer to the hard disk drive user s manual To connect Ultra DMA 100 amp 133 devices on IDEI IDE2 and Ultra DMA 100 amp 133 devices on IDE3 or IDEA an Ultra DMA 66 cable is required Ared mark on a wire typically designates the location of pin 1 You need to align the wire pin 1 to the IDE connector pin 1 before inserting the wire connector into the IDE connector KR7A 133 KR7A 133R Installing the Motherboard 2 17 12 D14 D16 and D17 LEDs Indicator Status LEDs indicators There are three indicators on the motherboard D14 is a standby power indicator When the 5VSB supplies power to the motherboard this LED indicator will light up D16 is a power on indicator When the power button is pressed this LED indicator will light up D17 is a reset indicator When you press the reset button this LED indicator will light up If you release the reset button this indicator will turn off LET Fort Keyboard Figure 2 11 KR7A 133 KR7A 133R back panel connectors Figure 2 11 shows the KR7A 133 KR7A 133R back panel connectors these connectors are for connection to outside devices to the motherboard We will describe which devices will attach to these connectors below 13 PS 2 Keyboard Connector Attach a PS 2 keyboard connector to this 6 pin Din connector If you use an AT keyboard you can go to a computer store to purchase an AT to ATX converter
17. processor for detailed installation instructions The AMD Socket A Athlon XP Athlon and Duron processor installation is easy like Socket 7 Pentium processors before Because it uses the Socket A ZIF Zero Insertion Force socket you can easily fix the processor firmly into position Figure 2 1 shows you what the socket A looks like and how to open the lever The socket A has more pins than the socket 7 Therefore a Pentium level processor cannot be inserted into a socket A Lever Align CPU Lever and insert it 2 Lift up the lever 1 Pull the lever out Figure2 l Socket and open Figure 2 2 Install the CPU into its lever socket When you raise the lever you have to loosen the socket lock Please raise the lever to the end and prepare to insert the processor Next you need to align the processor pin 1 to the socket pin 1 If you put it in the wrong direction you will not be able to insert the processor easily and processor pins will not fully go into the socket If this is the case please change the direction until it easily and fully inserts into the socket A See Figure 2 2 At the same time check the processor temperature detection thermistor height 1f your motherboard has this component then you can slowly insert the processor into the Scoket A Finally you need to check that the processor edge and the Socket A edge is parallel It should be parallel and not tilted When you fin
18. special peripherals need to use a memory block located between 15M and 16M We recommend that you disable this option System BIOS Cacheable Two options are available Disabled or Enabled The default setting is Disabled When you select Enabled you get faster system BIOS executing speed via the L2 cache Video RAM Cacheable Two options are available Disabled or Enabled The default setting is Disabled When you select Enable you get faster video RAM executing speed via the L2 cache You must check your VGA adapter manual to find out if any compatibility problems will occur User s Manual 3 20 Chapter 3 3 5 Integrated Peripherals In this menu you can change the onboard I O device I O port address and other hardware settings CHOS Setap PLilaty Cepyright 0 1784 7001 fward Sottware Integrated Peripherals t BIA Onthip IDE Device Frase Enar Item Delp Super 2 Dewice ress Enter Liat Display First flot de DSH Comtral ler AIL Enabled Beybeord Support ATA 131 RAID Centrol ler Enabled UT Fitbeneral Help FS Values Fe Foil Safte Defaults FF Optimized Figure 3 6A Integrated Peripherals Menu Default Screen VIA OnChip IDE Device This item can let you sets several items concerning the VIA OnChip IDE device parameters CMS Setup Utility Coppright TE 1784 7001 ward Software Via Onthip IDE Dew
19. specific utility to control the wake up event like using the PCnet Magic Packet utility or other similar utilities There are three types of WOL Remote Wake Up high RWU high Remote Wake Up low RWU low and Power Management Event PME This motherboard supports the type of mall Remote Wake Up low RWU low only m Note Watch the pin position and the orientation User s Manual 2 12 Chapter 2 6 TCPUI amp TSYSI Temperature Thermistor The TCPUI is used to detect the CPU temperature The 5 51 is used to detect the system environment temperature You can see the readings in the BIOS or C OM in the hardware monitoring application main screen 7 USB2 Header Additional USB Plugs Header This header is for connecting the additional USB port plugs You can use the special USB port expansion cable It provides four additional USB plugs These USB plugs can be fixed on the back panel da Pin number Name or significance of signal VCCO KR7A 133 KR7A 133R Installing the Motherboard 2 13 8 CCMOSI CMOS Discharge Jumper Jumper CCMOSI discharge CMOS memory When you install the motherboard make sure this jumper is set for normal operation pin 1 and 2 shorted See Figure 2 8 Il L LU Figure 2 8 CCMOSI jumper setting 23 3 2 1 Discharge CHOS Note Before you clear the CMOS you h
20. the tip of the spacers and insert them into the slots After doing this to all the slots you can slide the motherboard into position aligned with the slots After the motherboard has been oN Pn sor Re E positioned check to make sure everything Chassis Base is OK before putting the casing back on Figure 2 4 The way we fixed the motherboard Figure 2 4 shows you the way to affix the motherboard using studs or spacers Note If the motherboard has mounting holes but they don t line up with the holes on the base and there are no slots to attach the spacers don t worry you can still attach the spacers to the mounting holes Just cut the bottom portion of spacers the spacer they may be a little hard to cut so be careful with your hands In this way you can still attach the motherboard to the base without worrying about short circuits Sometimes you may need to use the plastic springs to isolate the screw from the motherboard PCB surface because the circuit wire may be near by the hole Be careful don t let the screw contact any the printed circuit wire or parts on the PCB that are near the fixing hole otherwise it may damage the board or cause board malfunctioning User s Manual 2 6 Chapter 2 2 3 Installing System Memory This motherboard provides four 184 pin DDR DIMM sites for memory expansion The DDR DIMM Sockets support 8 M x 64 64 MB 16 Mx 64 128 MB 32M x 64 256 MB 64 M x 64 51
21. up to 8 4GB and this mode uses a different method to calculate the position of disk data to be accessed It translates Cylinders CYLS Heads and Sectors into a logical address where data is located The Cylinders Heads and Sectors displayed in this menu do not reflect the actual structure of the hard disk they are just reference values used to calculate actual positions Currently all high capacity hard disks support this mode that s why we recommend you use this mode Currently the BIOS can support the INT 13h extension function enabling the LBA mode to support hard disk drive capacities exceeding 8 4GB gt Large Mode When the number of cylinders CYLs of the hard disk exceeds 1024 and DOS is not able to support it or if your operating system does not support LBA mode you should select this mode gt Auto Just let the BIOS detect your HDD access mode and make the decisions User s Manual 3 8 Chapter 3 Capacity This item auto displays your HDD size Note that this size is usually slightly greater than the size given by a disk checking program of a formatted disk Note All the items below are available when you set the item Primary IDE Master to Manual Cylinder When disks are placed directly above one another along the shaft the circular vertical slice consisting of all the tracks located in a particular position is called a cylinder You can set the number of cylinders for a HDD T
22. 2 MB and 128 M x 64 1024 MB or double density DDR DIMM modules Minimum memory is 64 MB and the maximum memory is 3 GB Unbuffered or 3 5 GB Registered DDR SDRAM There are four memory module sockets on the system board for a total of eight banks In order to create a memory array following rules must be followed For those modules we suggest that you be populate DIMMI to DIMM4 in order Supports single and double density DDR DIMMS Table 2 1 Valid Memory Configurations Bank 0 1 64 MB 128 MB 256 MB 64 MB 1 GB open 0 EE Bank 2 3 64 MB 128 MB 256 MB 64 MB 1 GB _ Bank 4 5 64 MB 128 MB 256 MB 64 MB 1 GB omom ETE Bank 6 7 64 MB 128 MB 256 MB 64 MB 1 GB TE Generally installing DDR SDRAM modules to your motherboard is an easy thing to do You can refer to Figure 2 5 to see what a 184 pin PC1600 amp PC2100 DDR SDRAM module looks like Figure 2 5 PC1600 PC2100 DDR Module Unlike installing SIMMs DIMMs may be and Component Mark snapped directly into the socket Note Certain DDR DIMM sockets have minor physical differences If your module doesn t seem to fit please do not force it into the socket as you may damaged your memory module or DDR DIMM socket The following procedure will show you how to install a DDR DIMM module into a DDR DIMM socket Step 1 Before you install the memory
23. 6 Ground PIN 7 HDD active PIN7 Speaker data PIN 8 Ground PIN 8 No connection PIN 9 Power On Off signal PIN9 LED power PIN 10 Ground PIN 10 Suspend active PIN 11 Suspend signal 10 FDC1 Connector c PIN 11 No connection This 34 pin connector is called the floppy disk drive connector You can connect a 360K 5 25 1 2M 5 25 720K 3 5 1 44M 3 5 or 2 88M 3 5 floppy disk drive A floppy disk drive ribbon cable has 34 wires and two connectors to provide the connection of two floppy disk drives After connecting the single end to the FDDI connect the two connectors on the other end to the floppy disk drives In general people only install one floppy disk drive on their computer system Note A red mark on a wire typically designates the location of pin 1 You need to align the wire pin 1 to the connector 1 then insert the wire connector into the FDC1 connector User s Manual 2 16 Chapter 2 11 IDE2 IDE3 and IDEA Connectors This motherboard provides two IDE ports IDE1 amp IDE2 to connect up to four IDE devices in Ultra DMA 133 mode by Ultra DMA 66 ribbon cables Each cable has 40 pin 80 conductor and three connectors providing two hard drive connections with the motherboard Connect the single end blue connector at the longer length of ribbon cable to the IDE port on moth
24. 904 2001 ward Saftware Super Ii Device Bobaard FOR Cosiral ler Enabled Item Help Bnbsasrd Serial Fort 1 JF EZ TRQA Dnbtard Serial Fort 2 Qaboaard TE Fenet ian Dasabled ETE Tall Active Hi La i T Emal ied ion Hall EP a Parallel Port Parallel Fort Tepe Tepe Select Hede Tiidove Emter Select PO PRiUalue Fitteneral Belp FS Frewiage Wa luce F Defaults Defaults Figure 3 6C Super IO Device Screen Onboard FDD Controller Two options are available Disabled or Enabled The default setting is Enabled This is used to enable or disable the Onboard FDD Controller If you add a higher performance controller you will need to Disable this feature Onboard Serial Port 1 This item allows you to determine which I O address the onboard serial port 1 controller will access Six options are available Disabled gt 3F8 IRQ4 gt 2F8 IRQ3 gt 3E8 IRQ4 gt 2E8 IRQ3 gt Auto gt Back to Disabled The default setting is 3FS IRQ4 Onboard Serial Port 2 This item allows you to determine which I O address the onboard serial port 2 controller will access Six options are available Disabled gt 3F8 IRQ4 gt 2F8 IRQ3 gt 3E8 IRQ4 gt 2E8 IRQ3 gt Auto 3 Back to Disabled The default setting is 2F8 IRQ3 If you choose Disabled then the item Onboard IR Function will disappear Onboar
25. Copyright and Warranty Notice The information in this document is subject to change without notice and does not represent a commitment on part of the vendor who assumes no liability or responsibility for any errors that may appear in this manual No warranty or representation either expressed or implied is made with respect to the quality accuracy or fitness for any particular part of this document In no event shall the manufacturer be liable for direct indirect special incidental or consequential damages arising from any defect or error in this manual or product Product names appearing in this manual are for identification purpose only and trademarks and product names or brand names appearing in this document are the property of their respective owners This document contains materials protected under International Copyright Laws rights reserved No part of this manual may be reproduced transmitted or transcribed without the expressed written permission of the manufacturer and authors of this manual If you do not properly set the motherboard settings causing the motherboard to malfunction or fail we cannot guarantee any responsibility KR7A 133 KR7A 133R Motherboard User s Manual Index CHAPTER 1 INTRODUCTION OF KR7A 133 KR7A 133R FEATURES 1 1 FEATURES OF KR7A 133 KR7A 133R MOTHERBOARD 1 2 SPECIFICATIONS erectae tiere radere ORTAS 1 3 rere eei eerte re nee 1 4 LA
26. YOUT DIAGRAM FOR KR7A 133 KR7A 133R CHAPTER 2 INSTALLING THE 2 1 2 1 INSTALLATION OF THE AMD ATHLON XP ATHLON AND CPU 22 2 2 INSTALLING THE MOTHERBOARD TO THE CHASSIS 2 3 INSTALLING SYSTEM MEMORY 2 2 2 8 2 4 CONNECTORS HEADERS AND 5 11 CHAPTER 3 INTRODUCING THE BIOS e 3 1 CPU SETUP SOFT MENU III 3 2 STANDARD CMOS FEATURES SETUP 2 3 3 ADVANCED BIOS FEATURES SETUP 3 4 ADVANCED CHIPSET FEATURES SETUP MENU 3 5 INTEGRATED PERIPHERALS eere 3 6 POWER MANAGEMENT SETUP MENU 0021 3 7 PNP PCI CONFIGURATIONS SETUP 3 8 PC HEALTH 5 05 3 9 LOAD FAIL SAFE 1 5 2 3 10 LOAD OPTIMIZED 1 nennen 3 TT SET PASSWORD 3 12 SAVE K EXIT SETUP eren eet t Ph ti eee ade 9513 EXIT WITHOUT SAVING eniiseetererx eere ex eue esee v eene etr eer eave dues CHAPTER 4 RAID SETTING GUIDE 2222 222 24 4 1 4 1 THE FEATURES OF RAID ON THE 133 0 0 4 1 4 2 RAID SETUP oN THE KR7A 133R 4 3 THE BIOS SETTING CHAPTER 5 HPT 372 DRIVER INSTALLATION
27. ault setting is Disabled 3 Mode floppy disk drives FDD are 3 1 2 drives used in Japanese computer systems If you need to access data stored in this kind of floppy you must select this mode and of course you must have a 3 Mode floppy drive KR7A 133 KR7A 133R Introducing the BIOS 3 9 Video You can select the VGA modes for your video adapter four options are available EGA VGA CGA 40 80 MONO The default setting is EGA VGA Halt On You can select which type of error will cause the system to halt Five options are available All Errors 3 No Errors gt All But Keyboard gt But Diskette gt But Disk Key You can see your system memory list in the lower right box it shows the Base Memory Extended Memory and total Memory size configurations in your system It is detected by the system during boot up procedure 3 3 Advanced BIOS Features Setup Menu In each item you can press lt Enter gt at any time to display all the options for this item Attention Advanced BIOS Features Setup Menu has already been set for maximum operation If you do not really understand each of the options in this menu we recommend you use the default values HOS Setup tility Copyrighti CE 1904 2001 Award Sofiwore Advanced BINS Features iris Wiring qe He lp 17 Cache ECE Checking TOT gt Power On Self Test Enabled Furst Boot Device Floppy Second
28. ave to first turn the power off including the 5V standby power Otherwise your system may work abnormally After updating your BIOS and before boot up please clear the CMOS first Then put the jumper to its default position After that you can reboot your system and ensure that your system is working fine 9 and PN2 Headers PNI and PN2 are for switches and indicators for the chassis s front panel there are several functions that come from these two headers You have to watch the pin position and the orientation or you may cause system malfunctions Figure 2 9 shows you the PN1 and PN2 functions of the pins AGE sese sin LED SPERKER REKET PN2 u oka e a Figure 2 9 The definition of PN1 and PN2 pins User s Manual 2 14 Chapter 2 PNI Pin 1 2 3 Power LED Headers There is a specific orientation for pins 1 through 3 Insert the three threaded power LED cable to pins 1 3 Check to make sure the correct pins go to the correct connectors on the motherboard If you install them in the wrong direction the power LED light will not illuminate correctly Note Watch the power LED pin position and orientation PNI Pin 6 7 HDD LED Header Attach the cable from the case s front panel HDD LED to this header If you install it in the wrong direction the LED light will not illuminate correctly Note Watch the HDD LED pin position and the orientatio
29. be set as Disabled or Enabled The default setting is Disabled When this feature is enabled you don t need to open the computer case to swap the position of floppy disk drive connectors Drive A can be set as drive B and drive B can be set as drive A Boot Up Floppy Seek When the computer boots up the BIOS detects if the system has a FDD or not When this item is set to KR7A 133 KR7A 133R Introducing the BIOS 3 11 Enabled if the BIOS detects no floppy drive it will display a floppy disk drive error message If this item is disabled the BIOS will skip this test The default setting is Disabled Boot Up NumLock Status gt On At boot up the Numeric Keypad is in numeric mode Default Settings gt Off At boot up the Numeric Keypad is in cursor control mode Typematic Rate Setting This item allows you to adjust the keystroke repeat rate When set to Enabled you can set the two keyboard typematic controls that follow Typematic Rate and Typematic Rate Delay If this item is set to Disabled the BIOS will use the default setting The default setting is Enabled Typematic Rate Chars Sec When you press a key continuously the keyboard will repeat the keystroke according to the rate you have set Unit characters second Eight options are available 6 gt 8 gt 10 gt 12 gt 15 gt 20 gt 24 gt 30 Back to 6 The default setting is 30 Typematic Delay Msec When you press a key continuously if you exce
30. by a battery in order to avoid any loss of its data when the computer is turned off Since you may have to change the CMOS battery when it is out of power and if doing so you will loose all CMOS data therefore we recommend that you write down all the parameters of your hardware or to put a label with these parameters on your hard disk KR7A 133 KR7A 133R Introducing the BIOS 3 3 3 1 CPU Setup SOFT MENU III The CPU be setup through a programmable switch CPU SOFT MENU that replaces the traditional manual hardware configuration This feature allows the user to more easily complete the installation procedures You can install the CPU without configuring any jumpers or switches The CPU must be setup according its specifications In the first option you can press lt Enter gt at any time to display all the items that can be chosen for that option Baki Seiup Utility Copyright C O 1904 2001 Seftware Saf Hinu ILD Setap Item Be lp CPU Dptrating Speed Fower Supply EFU BU Control M Fast Command Disable Enter Select f FOSPRUaloe 11 Fitbeneral Help FS Daliee Fe Fail Saf Defawlis Fit Figure 3 2 CPU SOFT MENU III CPU Name Is gt AMD Athlon tm XP gt AMD Athlon tm gt AMD Duron tm CPU Operating Speed This option sets the CPU sp
31. d IR Function Three options are available IrDA gt ASKIR Amplitude Shift Keyed IR gt Disabled The default setting is Disabled When you select the item IrDA or ASKIR then the following two items will appear KR7A 133 KR7A 133R Introducing the BIOS 3 23 RxD TxD Active Four options are available Hi Hi gt Hi Lo gt Lo Hi gt Lo Lo The default setting is Hi Lo Set IR transmission reception polarity as High or Low gt Transmission Delay Two options are available Disabled and Enabled The default setting is Enabled Set IR transmission delays 4 character time 40 bit time when SIR is changed from RX mode to TX mode IR Function Duplex Two options are available Full or Half The default setting is Half Select the value required by the IR device connected to the IR port Full duplex mode permits simultaneous two direction transmission Half duplex mode permits transmission in only one direction at a time gt Use IR Pins Two options are available RxD2 TxD2 and IR Rx2Tx2 The default setting is JR Rx2Tx2 If you choose RxD2 TxD2 your motherboard must support a COM port IR KIT connection Otherwise you can only choose the JR Rx2Tx2 to use the IR header on your motherboard to connect your IR KIT Please use the default setting Note The setting for item RxD TxD Active also called TX RX inverting allows you to determine the activity of RxD and TxD We set it to H
32. e used for engineering testing only not for normal applications If you use non specification settings for normal operation your system may not be stable and may effect system reliability Also we do not guarantee the stability and compatibility for settings that are not within specification and any damage of any elements on the motherboard or peripherals is not our responsibility gt CPU FSB Clock MHz You can increase the CPU FSB clock speed here This means that you can independently increase the CPU FSB clock speed The DEC decimal numbers from 100 to 200 are available with the default setting at 00 You can change this setting to increase CPU FSB clock speed CPU FSB speed above the standard bus speed is supported but not guaranteed due to the CPUspecs Ratio 8 Two options are available 3 2 1 gt 4 2 1 The default setting is 3 2 1 This item lets you set the processor Front Side Bus AGP and PCI clock It correlates with the processor FSB clock you set Many of options are available you can choose the divider ratio you want The default setting is 3 2 1 In this case the AGP clock will be the processor FSB clock divided by 3 and times 2 The PCI clock will be the processor FSB clock divided by 3 and times 1 e Multiplier Factor Three are several settings shown as below gt 5 gt x5 5 x6 x6 5 gt x7 gt 7 5 x8 x8 5 x9 x9 5 xl0 gt 10 5 xll gt 11 5
33. e 266 MHz Athlon System Bus the 266 MHz DDR Memory Subsystem the AGP 4X 2X 1X modes Graphics Interface AGP 2 0 Compliant and the 33 MHz 32 bit PCI Bus Interface PCI 2 2 Compliant including arbiter DDR SDRAM is the newest memory standard it provides the maximum translation bandwith and also greatly improves data transaction delays This feature improves whole system performance and speed especially multimedia environment applications The KR7A 133 KR7A 133R has a built in Ultra DMA 133 function This means that it provides speedier HDD throughput boosting overall system performance Ultra DMA 133 is the newest standard for IDE devices It enhances existing Ultra DMA 33 technology by increasing both performance and data integrity This new high speed interface almost double the Ultra DMA 66 burst data transfer rate to 133 Mbytes sec The result is maximum disc performance using the current PCI local bus environment Another benefit is you can connect four IDE devices in your system through either Ultra DMA 66 Ultra DMA 100 or Ultra DMA 133 You will have more flexibility to expand your computer system KR7A 133R s built in HighPoint HPT 372 chipset gives you the capability to support Ultra DMA 133 Ultra DMA 133 is the newest standard for IDE devices It provides two IDE channels IDE3 IDEA that also support Ultra DMA 133 specifications and it allows for four additional IDE devices in your computer system It can give you high performance and
34. ed The default setting is Enabled When Enabled writes to the bus are executed with zero wait state immediately when bus is ready to receive data If it is set to Disabled the system will wait one state before data is written to the bus KR7A 133 KR7A 133R Introducing the BIOS 3 19 PCD Master 0 WS Write Two options are available Enabled or Disabled The default setting is Enabled When Enabled writes to the PCD bus are executed with zero wait state immediately when PCD bus is ready to receive data If set to Disabled the system will wait one state before data is written to the PCI2 bus PCII Post Write Two options are available Disabled or Enabled The default setting is Enabled When you set it to Enabled it can enable PCI post write buffers to minimize PCI master read latency PCI2 Post Write Two options are available Disabled or Enabled The default setting is Enabled When you set it to Enabled it can enable PCI post write buffers to minimize PCD master read latency PCI Delay Transaction Two options are available Disabled or Enabled The default setting is Disabled The chipset has an embedded 32 bit posted write buffer to support delay transactions cycles Select Enabled to support compliance with PCI specification version 2 1 Memory Hole Two options are available Disabled or 15M 16M The default setting is Disabled This option is used to free up the memory block 15M 16M Some
35. ed the delay you have set here the keyboard will automatically repeat the keystroke according to a certain rate Unit milliseconds Four options are available 250 gt 500 gt 750 gt 1000 gt Back to 250 The default setting is 250 Security Option This option can be set to System or Setup The default setting is Setup After you have created a password through PASSWORD SETTING this option will deny access to your system System or modification of computer setup BIOS Setup by unauthorized users SETUP When you choose Setup a password is required only when accessing the BIOS Setup If the correct password is not given you can t enter the BIOS setup menu SYSTEM When you choose System a password is required each time the computer boots up If the correct password is not given the system will not start To disable security select Set Supervisor Password at main menu and then you will be asked to enter password Do not type anything and just press the Enter key and it will disable security Once security is disabled the system will boot and you can enter the BIOS setup menu freely Notice Don t forget your password If you forget the password you will have to open the computer case and clear all information in the CMOS before you can start up the system But by doing this you will have to reset all previously set options APIC Mode Two options are available Disabled or Enabled The default setting is D
36. eed In this field the CPU speed is indicated like this CPU speed External clock Multiplier factor select the CPU speed according the type and the speed of your CPU For AMD Athlon XP Athlon and Duron processors you can choose the following settings gt User Define 2500 100 550 100 600 100 gt 650 100 700 100 750 100 gt 800 100 2850 100 gt 900 100 gt 5950 100 1000 100 gt 1000 133 gt 1050 100 1100 100 gt 1133 133 gt 1150 100 gt 1200 100 gt 1200 133 gt 1500 133 gt 1600 133 gt 1700 133 gt 1800 133 gt 1900 133 Note The display of this item might be different when you installed the different type of processors We just show you an example here User s Manual 3 4 Chapter 3 User defined external clock and multiplier factor gt User Defined 222 Warning 2922 The wrong settings of the multiplier and external clock in certain circumstances may cause CPU damage The wrong settings of the multiplier and external clock in certain circumstances may cause CPU damage Setting the working frequency higher than the specifications of PCI or of processor may cause abnormal memory module functioning system hangs hard disk drive data loss abnormal functioning of the VGA card or abnormal functioning with other add on cards Using non specification settings for your CPU is not the intention of this explanation for which should b
37. erboard and the other two ends gray and black connector at the shorter length of the ribbon cable to the connectors on hard drives KR7A 133R s built in HighPoint HPT 372 chipset iBES Eun gives you the capability to support Ultra DMA 133 1BE2 Coan It provides two IDE channels IDE3 amp IDEA that also support Ultra DMA 133 specifications and it allows for four additional IDE devices in your computer system Especially if you want to connect two or four HDDs to get RAID functions it is very convenient for you to install the HDDs to IDE3 and IDEA See the Chapter 4 for detailed information about RAID settings If you want to connect two hard drives together through one IDE channel you must configure the second drive to Slave mode after the first Master drive Please refer to the HDD documentation for jumper settings The first drive connected to IDEI is usually referred to as Primary Master and the second drive as Primary Slave The first drive connected to IDE2 is referred to as Secondary Master and the second drive as Secondary Slave Keep away from connecting one legacy slow speed device like CD ROM together with another hard drive on the same IDE channel this will decrease your integral system performance E z j H B 2 Figure 2 10 Ultra DMA 66 i i Ribbon Cable Outline m 5 E wt Bk Hei Note The Master or Slave status of the hard disk drive is set
38. he minimum number you can enter is 0 the maximum number you can enter is 65536 gt Head This is the tiny electromagnetic coil and metal pole used to create and read back the magnetic patterns on the disk also called the read write head You can configure the number of read write heads The minimum number you can enter is 0 the maximum number you can enter is 255 gt Precomp The minimum number you can enter is 0 the maximum number you can enter is 65536 Warning Setting a value of 65536 means no hard disk exists gt Landing Zone This is a non data area on the disk s inner cylinder where the heads can rest when the power is turned off The minimum number you can enter is 0 the maximum number you can enter is 65536 Sector The minimum segment of track length that can be assigned to stored data Sectors usually are grouped into blocks or logical blocks that function as the smallest units of data permit You can configure this item to sectors per track The minimum number you can enter is 0 the maximum number you can enter is 255 Driver A amp Driver B If you have installed the floppy disk drive here then you can select the type of floppy drive it can support Six options are available None gt 360K 5 25 in 1 2M 5 25in gt 720K 3 5 in 9 1 44M 3 5 in 9 2 88M 3 5 in Floppy 3 Mode Support Four options are available Disabled gt Driver A gt Driver B gt Both The def
39. i Lo If your motherboard BIOS uses No and Yes to represent this item you should set it to the same setting as the KR7A 133 KR7A 133R This means that you should set it to No Yes in order to match the transfer and receiving speed If you fail to do so you will not get an IR connection between the KR7A 133 KR7A 133R and the other computer Onboard Parallel Port Four options are available Disabled 378 IRQ7 gt 278 IRQ5 gt 3BC IRQ7 The default setting is 378 IRQ7 Select a logical LPT port name and matching address for the physical parallel printer port Parallel Port Type Four options are available SPP EPP gt ECP gt ECP EPP Default is SPP mode Select an operating mode for the onboard parallel printer port SPP Standard Parallel Port EPP Extended Parallel Port ECP Extended Capabilities Port or ECP plus EPP Select SPP unless you are certain your hardware and software supports both EPP or ECP mode According to your selection the following items will appear gt EPP Type Select Two options are available EPP1 9 gt EPP1 7 The default setting is EPP 7 When the mode selected for the parallel port mode is EPP the two EPP mode options are available gt ECP Mode Use DMA Two options are available 1 gt 3 The default setting is 3 When the mode selected for the onboard parallel port is ECP or ECP EPP the DMA channel selected be 1 Channel 1 or 3 Channel 3
40. ice Prefeteh Mode IT M Be lp Onboard IRE 1 Comtraller erste Haster Brive PIO Hede huts 5 Drive PIR TI Haster Brave Buta 21 Drive Ultra BHi Buta IRE 7 Coatral ler Fabled Waster Browe PID Hede Buta Slave Drive Mode huts Haster Brive Ultra Bila Slave Drive Ultra WHA Buta tiie 47 2 PUSPDSGaloe Fiibeneral Help FS Frevieus Valets Fe Fatl Sate Deftaalts Fit Optimized Betawlts Figure 3 6B VIA OnChip IDE Device Screen KR7A 133 KR7A 133R Introducing the BIOS 3 21 IDE Prefetch Mode Two options are available Disabled or Enabled The default setting is Disabled The onboard IDE drive interfaces supports IDE prefetching for faster drive accesses If you install a primary and or secondary add in IDE interface set this field to Disabled if the interface does not support prefetching Onboard IDE 1 Controller The onboard IDE 1 controller can be set as Enabled or Disabled gt Master Drive PIO Mode gt Auto The BIOS can auto detect the transfer mode of the IDE devices in order to set its data transfer rate Default You can select the PIO mode from 0 to 4 of the IDE devices in order to set its data transfer rate e Slave Drive PIO Mode gt Auto The BIOS can auto detect the transfer mode of the IDE devices in order to set its data transfer rate Default You can select the PIO mode from 0 to 4 of the IDE device
41. idge Control Screen AGP Aperture Size Seven options are available 256M gt 128M gt 64M gt 32M gt 16M gt 8M gt Back to 256M The default setting is 64M This option specifies the amount of system memory that can be used by the AGP device The aperture is a portion of the PCI memory address range dedicated for graphics memory address space Host cycles that hit the aperture range are forwarded to the AGP without any translation See www agpforum org for AGP information AGP Mode Two options are available 4X gt 2X The default setting is 2X If you use the older AGP adapter that does not support AGP 4X mode you need to set this item to 2X AGP Driving Control Two options are available Auto or Manual The default setting is Auto Choosing Manual to key in an AGP Driving Value is described within the next section It is recommended this field be set to Auto in order to avoid any errors in your system AGP Driving Value This item allows you to adjust the AGP driving force You can key in the HEX number into this section The minimum number is 0000 and maximum number is OOFF User s Manual 3 18 Chapter 3 AGP Fast Write Two options are available Disabled or Enabled The default setting is Disabled If your AGP adapter can support this function then you can choose Enabled Otherwise choose Disabled AGP Read Synchronization Two options are available Disabled or Enabled The default setting is Di
42. igure any jumpers or DIP switches But if you change your CPU normally you just have to turn off the power supply change the CPU and then set up the CPU parameters through SOFT MENU III However if the new CPU is slower than the old one and is same brand and type we offer you two methods to successfully complete the CPU change operation Method 1 Setup up the CPU for the lowest speed for its brand Turn the power supply off and change the CPU Then turn the system on again and set up the CPU parameters through SOFT MENU Method 2 Since you have to open the computer case when you change the CPU it could be a good idea to use the CCMOS jumper to erase the parameters of the original CPU and to enter BIOS Setup to set up CPU parameters again Attention After setting up the parameters and leaving the BIOS SETUP and having verified that the system can be booted do not press the Reset button or turn off the power supply Otherwise the BIOS will not read correctly the parameters will fail and you must enter SOFT MENU again to set up the parameters all over again CPU Power Supply This option allows you to switch between Default and User Define voltages gt CPU Default The system will detect the CPU type and select the proper voltage automatically When it is enabled the option Vcore Voltage will show the current voltage setting that is defined by the CPU and this will not be changeable We recommend
43. isabled If you set to Enabled the next item will be available to choose When you set it to Disabled the system will use the default six PCI IRQs for all devices and will not increase the number of PCI IRQs User s Manual 3 12 Chapter 3 MPS Version Control For OS This option specifies which version of MPS the motherboard will use Three options available 1 1 gt 1 4 MPS stands for Multi Processor Specification If you use an older OS for dual processor executing please set this option to 1 1 OS Select For DRAM gt 64MB When the system memory is bigger than 64MB the communication method between the BIOS and the operating system will differ from one operating system to another If you use OS 2 select OS2 if you are using another operating system select Non OS2 The default setting is Non OS2 Report No FDD For WIN 95 When using Windows 95 without a floppy drive set this item to Yes Otherwise set it to No The default setting is No Video BIOS Shadow This option is used to define whether the BIOS on the video card uses the shadow feature or not You should set this option to Enabled otherwise the display performance of the system will greatly decrease Computer Knowledge SHADOW What is the SHADOW The BIOS of standard video or interface cards is stored in ROM and it is often very slow With the Shadow feature the CPU reads the BIOS on the card and copies it into RAM When the CPU runs this BIOS
44. ish the above push the lever down to its original position you should feel the lever lock the socket A You have then finished the processor installation KR7A 133 KR7A 133R Installing the Motherboard 2 3 Heatsink Installation Hints Because the processor will produce a lot of heat while operating we suggest you use a heatsink approved by AMD to be safe and to keep the processor temperature within normal operation temperatures The heatsink will be large and heavy so the fixing plate has a strong tension When you install the heatsink on to the processor and its socket you have to very carefully fix the fixing plate to the processor socket hook on both sides If you do not pay attention to this you may make the fixing plate scratch the PCB surface and cause circuit damage break socket hooks or damage the die on the top of processor Please follow the sequence metioned below Do Not inverse the sequence Otherwise you may have a situation like the photo on the left Because of the design of the CPU socket the left side hooks are not as strong as the right side hooks If you follow our suggestions you will prevent your processor and socket from damage Note Considering the chassis structure problem please always take off the motherboard from chassis before adding or removing a heatsink kit First install the processor into the processor socket Insert the heatsink left side fix plate into the processor soc
45. itheut Saving Select Lier Chaege CP s Clack amp Boltage Figure 3 1 CMOS Setup Utility User s Manual 3 2 Chapter 3 In the BIOS Setup main menu of Figure 3 1 you can see several options We will explain these options step by step in the following pages of this chapter but let us first see a short description of the function keys you may use here Press Esc to quit the BIOS Setup Press up down left right to choose the main menu the option you want to confirm or to modify Press F10 when you have completed the setup of BIOS parameters to save these parameters and to exit the BIOS Setup menu Press Page Up Page Down or keys when you want to modify the BIOS parameters for the active option Note Parts of the screenshot may not same as you see on your screen because the BIOS version may change periodically However most of the functions covered in this manual will work We suggest that you go to our WEB site often to see if there are new manual releases Then you can check the newly updated BIOS items Computer Knowledge CMOS Data Maybe you have heard somebody saying that his or her CMOS DATA was lost What is the CMOS Is it important The CMOS is the memory used to store the BIOS parameters that you have configured This memory is passive You can read its data and you can also store data in it But this memory has to be powered
46. ket left side fix hooks Make sure the fit is very tight Check the photo on the left User s Manual 2 4 Chapter 2 KR7A 133 KR7A 133R Insert a flat screwdriver into the middle slot of the right side fix plate and push down Then you can push the fix plate over the socket hooks on the right side Check the photo on the left Check the photo on the left You have finished the heatsink installation Now hold the whole heatsink and slightly shake it make sure the buttom right side of the heaksink does not contact the right side of the Socket see bottom picture Otherwise the processor die does not have proper contact with the heatsink This situation may cause processor damage Remember to install the heatsink fan power cable to the CPU fan header on the motherboard Now you can reinstall the motherboard back into the chassis When all above procedures done you can connect the ATX power cable to the motherboard If you have different types of heatsink kit please refer to the manual that came with the heatsink kit The left photo shows another type of heatsink fix plate design The install sequences are still the same from right side to left side Just remember that We strongly recommand you to buy a heatsink with three holes in the fix plate This will provide the best stabability and won t cause the Socket fix hooks to be broken or damaged The left photo shows the bottom right side of the heaksink in
47. n Pin 8 9 Power on Switch Header Attach the cable from the case s front panel power switch to this header Pin 10 11 Hardware Suspend Switch SMI Switch Header Attach the cable from the case s front panel suspend switch if there is one to this header Use this switch to enable disable the power management function by hardware PN2 Pin 1 2 Hardware Reset Switch Header Attach the cable from the case s front panel Reset switch to this header Press and hold the reset button for at least one second to reset the system PN2 Pin 4 5 6 7 Speaker Header Attach the cable from the system speaker to this header PN2 Pin 9 10 Suspend LED Header Insert the two threaded suspend LED cable into pin 9 and pin 10 If you install it in the wrong direction the LED light will not illuminate correctly Note Watch the Suspend LED pin position and the orientation For pin count name list for PN1 and PN2 please refer to table 2 2 For the PN1 and PN2 pin s count name list please refer to table 2 2 KR7A 133 KR7A 133R Installing the Motherboard 2 15 PIN Name Table 2 2 PN1 and 2 pin count name list Significance of signal PIN Name Significance of signal PIN 1 5VDC Ground PIN2 No connection PIN2 Reset input PIN 3 Ground PIN3 No connection PIN 4 No connection PIN4 j 5VDC PIN 5 No connection PIN5 Ground PIN6 LED power PIN
48. n and Power Management Interface ACPI Accelerated Graphics Port connector supports AGP 2X 3 3V and 4X 1 5V mode Sideband device Supports 200 MHz 266 MHz 100 MHz 133 MHz Double Data Rate memory bus settings W Ultra DMA 133 RAID For KR7A 133R Only HighPoint HPT 372 IDE controller Supports Ultra DMA 133 MB sec data transfer rate Supports RAIDO Stripping mode for boosting performance mode Supports RAIDI Mirroring mode for data security mode Supports RAID 0 1 Stripping and Mirroring mode Memory System Memory Four 184 pin DIMM slots support PC1600 PC2100 DDR SDRAM modules Supports four DIMMs of unbuffered DDR SDRAM for a maximum of 3 GB 64 128 256 512 and 1024 MB DDR SDRAM modules Supports four DIMMs of registered DDR SDRAM for a maximum of 3 5 GB 64 128 256 512 and 1024 MB DDR SDRAM modules System BIOS SOFT MENU III technology can easily set the processor parameters Award Plug and Play BIOS supports APM and DMI Write Protect Anti Virus function by AWARD BIOS Multi I O Functions Two channels of Bus Master IDE ports supporting up to four Ultra DMA 33 66 100 133 devices KR7A 133 Only And two channels IDE3 amp IDE4 of Bus Master IDE ports supporting up to four Ultra DMA 33 66 100 133 specifications HDD devices KR7A 133R Only One PS 2 keyboard and PS 2 mouse connectors One floppy port connector up to 2 88MB One parallel port connector Standard EPP ECP Two serial ports connectors T
49. n probably skip this operation Remember though the primary IDE HDD must have its partition set to active within the FDISK procedure If you are using an old HDD that is already formatted auto detection can not detect the correct parameters You may need to do a low level format or set the parameters manually and then check if the HDD is working IDE Primary Master Three settings are available Auto Manual and None If you choose Auto the BIOS will automatically check what kind hard disk you are using If you want to set the HDD parameters yourself make sure you fully understand the meaning of the parameters and be sure to refer to the manual provided by the HDD manufacture to get the settings right Access Mode Since old operating systems were only able to support HDDs with capacities no bigger than 528MB any hard disk with more than 528MB was unusable AWARD BIOS features a solution to this problem you can according to your operating system choose four operating modes NORMAL gt LBA 3 LARGE Auto The HDD auto detection option in the sub menu will automatically detect the parameters of your hard disk and the mode supported gt CHS Normal mode Standard normal mode supports hard disks of up to 528MB or less This mode directly uses positions indicated by Cylinders CYLS Heads and Sectors to access data gt LBA Logical Block Addressing mode The earlier LBA mode can support HDD capacities of
50. nectors and headers that we ll discuss in the next section you can use this diagram to visually locate each connector and header we describe Note This components diagram will be slightly different because there are a number of models We ll use the KR7A 133R motherboard as standard all descriptions of connector and header will be based on the KR7A 133R motherboard connectors headers and switches mentioned here will depend on your system configuration Some features you may or may not have and need to connect or configure depending on the peripheral If your system doesn t have such add on cards or switches you can ignore some special feature connectors KR7A 133 KR7A 133R Installing the Motherboard 2 9 TSY 1 W y 33697HF remm USBI WESTER Socket A PC WOLIE gt PIN 1 in a VIA VT8366A DIMM1 DIMM2 DIMM3 VT8233ADIMM4 PINI IDE 24 IDE2 d Figure 2 7 All connectors and headers for the KR7A 133R First Let s see the headers that KR7A 133R uses and what their functions are We will show you all the connectors and headers 1 ATX1 Power Input Connector Em Attach the connector from the power supply to the ATXI connector here Remember you have to push the connector from the ATX power supply firmly to the end with the ATXI connector insuring that you have a good connection
51. nge the parameters inside the BIOS unless you are very familiar with them If you are not able to boot your computer anymore please refer to the section CCMOS1 Discharge Jumpr in Chapter 2 to see how to discharge the CMOS date When you start the computer the BIOS program controls it The BIOS first operates an auto diagnostic test called POST Power On Self Test for all of the necessary hardware It then configures the parameters of the hardware synchronization and detects all of the hardware Only when these tasks are completed does it give up control of the computer to the program to the next level which is the operating system OS Since the BIOS is the only channel for hardware and software to communicate it is the key factor for system stability and in insuring that your system performs at its best After the BIOS has achieved the auto diagnostic and auto detection operations it will display the following message PRESS DEL TO ENTER SETUP The message will be displayed for three to five seconds if you press the Del key you will access the BIOS Setup menu At that moment the BIOS will display the following message CME Setup Utility Coppr ight CO 1704 700 board 111 Setup PE Health Status Elaadard CHOS Features Load Fail Safe fd BIOS Features Load Optimized Defaalia Chipset Feateres Set PEET TELET Peripherals Sane kao TIT Power Lait W
52. on speeds or FANA and attach the connector from the power fan to FANG header FANS is for the northbridge chipset fan You must attach the CPU fan to the processor or your processor will work abnormally or may be damaged by overheating To prevent the computer chassis internal temperature from getting too high also connect the chassis fan Note Watch the pin position and the orientation 3 IRI IR Header Infrared There is a specific orientation for pins 1 through 5 attach the connector from the IR KIT or IR device to the IR1 header This motherboard supports standard IR transfer rates iE 1 H it Note Watch the pin position and the orientation KR7A 133 KR7A 133R Installing the Motherboard 2 11 Name or significance of signal Name or significance of signal a a SYR 2 NoCometon 5 RTX 4 WORI Wake On Ring Header If you have an internal modem adapter that supports this feature then you can connect the specific cable from the internal modem adapter to this header This feature lets you wake up your computer via remote control through the modem B deco Note Watch the pin position and the orientation If you have a network adapter that supports this feature then you can connect the specific cable from the network adapter to this header This feature lets you wake up your computer via remote control through a local area network You may need a
53. ontroller to Enabled you can use IDE RAID functions inlcuding RAID 0 RAID 1 and RAID 0 1 This feature enables you to maximize your data storage performance and security For detailed information please refer to the Chapter 4 3 6 Power Management Setup Menu The difference between Green PCs and traditional computers is that Green PCs have a power management feature With this feature when the computer is powered on but inactive the power consumption is reduced in order to save energy When the computer operates normally it is in Normal mode In this mode the Power Management Program will control the access to video parallel ports serial ports and drives and the operating status of the keyboard mouse and other device These are referred to as Power Management Events In cases where none of these events occur the system enters the power saving mode When one of the controlled events occurs the system immediately returns to normal mode and operates at its maximum speed Power saving modes can be divided into three modes according to their power consumption Doze Mode Standby Mode and Suspend Mode The four modes proceed in the following sequence Normal Mode gt Doze Mode gt Standby Mode gt Suspend Mode The system consumption is reduced according the following sequence KR7A 133 KR7A 133R
54. or registered SDR DDR modules Supports 6 banks up to 3 GB DRAMs 512Mb x 8 x 16 DRAM technology for unbuffered SDR DDR modules User s Manual 2 8 Chapter 2 Most of the DDR memory 1GB modules available now consist of 64 M x 4 chip which can t be used on KR7A 133 KR7A 133R motherboard Before purchasing the memory module we suggest users carefully check out the memory specification which should be provided by memory module vendor The left picture illustrates DDR 1 GB module made by 64 x 4 chip and special technology stacking two aL E memory chips together This kind of memory can t be supported by VIA KT2664A chipset 2 4 Connectors Headers and Switches Inside the case of any computer several cables and plugs have to be connected These cables and plugs are usually connected one by one to connectors located on the motherboard You need to carefully pay attention to any connection orientation the cables may have and if any notice the position of the first pin of the connector In the explanations that follow we will describe the significance of the first pin We will show you all of the connectors headers and switches here and tell you how to connect them Please pay attention and read the entire section for necessary information before attempting to finish all of the hardware installation inside the computer chassis Figure 2 7 shows you all of the con
55. re using non SPD SDRAM DIMMs As SDRAM and DDR SDRAM DIMM s is running at very fast clock speed and there is less room for error An incorrect BIOS assumption about an SDRAM and DDR SDRAM DIMM s parameters can have serious consequences e g failure to boot or fatal exception errors DRAM Timing Two options are available Manual or Auto The default setting is Manual When set to Auto the BIOS will read the DRAM module SPD data and automatically set to the values stored in it If you set to Manual the following five items will be available to let you make adjustments DRAM CAS Latency Two options are available 2 5 and 2 The default setting is 2 5 You can select SDRAM CAS Column Address Strobe latency time according your SDRAM specification gt Bank Interleave Three options are available Disabled gt 2 Bank gt 4 Bank The default setting is Disabled Depending on your SDRAM module structure the 4 Bank setting can offer the best performance If you choose the wrong setting the computer system will not run in a stable manner For detailed information on your SDRAM module please ask your SDRAM module manufacturer gt Precharge to Active Trp Two options are available 2T or 3T The default setting is 3T Trp timing value Precharge time time from precharge command to when back can be activated Active to Precharge Tras Two options are available 5T or 6T The default setting is 67 Tras
56. s in order to check the system and its peripherals If the Quick Power on Self Test feature is enable the BIOS will simplify the test procedures in order to speed up the boot process The default setting is Enabled First Boot Device When the computer boots up the BIOS attempts to load the operating system from the devices in the sequence selected in these items floppy disk drive LS120 ZIP100 devices hard drive C SCSI hard disk drive or CD ROM There are ten options for the boot sequence that you can choose The default setting is Floppy Floppy gt LS120 gt HDD 0 gt SCSI gt CDROM gt HDD 1 gt HDD 2 gt HDD 3 gt ZIP100 gt LAN Disabled gt Back to Floppy KR7A 133 Only Floppy gt 15120 gt HDD 0 gt SCSI gt CDROM gt HDD 1 gt 2 gt HDD 3 gt ZIP100 gt LAN ATA133RAID gt Disabled Back to Floppy KR7A 133R Only Second Boot Device Description is the same as the First Boot Device the default setting is HDD 0 Third Boot Device Description is same as the First Boot Device the default setting is 1 5120 Boot Other Device Two options are available Disabled or Enabled The default setting is Enabled This setting allows the BIOS to try to boot devices other than the three which are listed in the above First Second and Third Boot Devices If you set to Disabled the BIOS will boot from only the three kinds of boot devices that are set above Swap Floppy Drive This item can
57. s in order to set its data transfer rate e Master Drive Ultra DMA Ultra DMA is a DMA data transfer protocol that utilizes ATA commands and the ATA bus to allow DMA commands to transfer data at a maximum burst rate of 100 MB sec gt Disabled If you encounter the problem of using Ultra DMA devices you can try to set this item to Disabled gt Auto When you select Auto the system automatically determines the optimal data transfer rate for each IDE device Default e Slave Drive Ultra DMA gt Disabled If you encounter the problem of using Ultra DMA devices you can try to set this item to Disabled gt Auto When you select Auto the system automatically determines the optimal data transfer rate for each IDE device Default Onboard IDE 2 Controller The onboard IDE 2 controller can be set as Enabled or Disabled Description is the same as the item Onboard IDE 1 Controller You can refer the above description PIO MODE 0 4 reflects the IDE device data transfer rate The higher the MODE value is the better the IDE device data transfer rate However it does not mean that the highest MODE value can be selected You first have to be sure that your IDE device supports this MODE Otherwise the hard disk will not be able to operate normally User s Manual 3 22 Chapter 3 Super IO Device This item can let you sets several items concerning the Super I O device parameters CHES Setup Utility Copyright 1
58. sabled This item can control the AGP synchronous when it read the data If you wan to improve system performance you can set it to Enabled If you have problem to play the video format files please set this item to Disabled AGP Master 1 WS Write Two options are available Disabled or Enabled The default setting is Disabled This implements a single delay when writing to the AGP Bus When you set it to Enabled two wait states are used by the system allowing for greater stability AGP Master 1 WS Read Two options are available Disabled or Enabled The default setting is Disabled This implements a single delay when reading to the AGP Bus When you set it to Enabled two wait states are used by the system allowing for greater stability CPU amp PCI Bus Control This item can let you sets several items concerning the PCI parameters If you do not understand what each item does please keep the default settings as well Wrong settings will cause system unstablity oppright i 8 CFU amp PEI Bes Control 1 0 Write Emabled FCI Write led FE Poti Write Emah led FCI Pesi brite E Enabled FC Delay Transaction Disabled I NITIIHILISEESEUISIHPRIUTEESSUEMTTEMI C COHIIIMEMAMTILIZIM Help FS Previags Waliee Fe Fail Sale Defawlia F7 Bptinited Figure 3 5D CPU amp PCI Bus Control Screen Master 0 WS Write Two options are available Enabled or Disabl
59. the operation is speeded up Delay IDE Initial Secs This item is used to support some old models or special types of hard disks or CD ROMs They may need a longer amount of time to initialize and prepare for activation Since the BIOS may not detect those kinds of devices during system booting You can adjust the value to fit such devices Larger values will give more delay time to the device The minimum number you can enter is 0 the maximum number you can enter is 15 The default setting is 0 Small Logo EPA Show Two options are available Disabled or Enabled The default setting is Disabled If you set to Enabled when computer reboot then you can see the EPA logo on the up right corner of the screen KR7A 133 KR7A 133R Introducing the BIOS 3 13 3 4 Advanced Chipset Features Setup Menu The Chipset Features Setup Menu is used to modify the contents of the buffers in the chipset on the motherboard Since the parameters of the buffers are closely related to hardware if the setup is not correct or is false the motherboard will become unstable or you will not be able to boot up If you don t know the hardware very well use default values i e use the Load Fail Safe Defaults or Load Optimized Defaults option CHES Seiag Utility Copyright CO Advan Chipset Festures DERM Laatral Item Help AGF 3 Bridges 1 ress Fader CPO 8
60. timing value Minimum bank active time from activate to precharge of same bank e Active to CMD Trcd Two options are available 2T or 3T The default setting is 3T Tred timing value RAS to CAS latency rd wr command delay DDR DQS Input Delay Two options are available Auto or Manual The default setting is Auto If you set to Manual then the next item will be available User s Manual 3 16 Chapter 3 gt Input Delay Value This item allows you to adjust the data input strobe delay time of memory You can key in the HEX number into this section The minimum number is 0000 and maximum number is 003F DDR DQS Output Delay Two options are available Auto or Manual The default setting is Auto If you set to Manual then the next item will be available gt Output Delay Value This item allows you to adjust the data output strobe delay time of memory You can key in the HEX number into this section The minimum number is 0000 and maximum number is 00 Command Drive Strength Two options are available Lo or Hi The default setting is Lo This item can adjust the drive strength for command sent to DDR SDRAM This will depend on your DDR SDRAM specification and numbers to set More DDR SDRAM DIMM installed you may set it to Hi DRAM Queue Depth Three options are available 2 Level gt 3 Level gt 4 level The default setting is 4 Level This item sets DRAM queue depth to accommodate maximum memor
61. tion User s Manual 1 6 Chapter 1 12 r X X M e KR7A 133 KR7A 133R Installing the Motherboard 2 1 Chapter 2 Installing the Motherboard This KR7A 133 KR7A 133R motherboard not only provides all standard equipment for classic personal computers but also provides great flexibility for meeting future upgrade demands This chapter will introduce step by step all of the standard equipment and will also present as completely as possible future upgrade capabilities This motherboard is able to supports all AMD Socket A Athlon XP Athlon and Duron processors now on the market For details see specifications in Chapter 1 This chapter is organized according the following features 1 Installation of the AMD Socket A Athlon XP Athlon and Duron CPU Installing the Motherboard to the Chassis Installing System Memory Connectors Headers and Switches 22292 Before Proceeding with the Installation 2229 Before you install or unplug any connectors or add on cards please remember to turn the ATX power supply switch off fully turn the 5V standby power off or take the power cord off Otherwise you may cause the motherboard components or add on cards to malfunction or be damaged 7 User Friendly Instructions Please read our instructions carefully and follow them step by step Our objective is to enable the novice computer user to perform the installation by himself We have
62. using this CPU default setting and not changing it unless the current CPU type and voltage setting can not be detected or is not correct gt User Define This option lets the user select the voltage manually You can change values of the Core Voltage I O Voltage and DDR Voltage option lists by using the arrow up and arrow down keys DQ Control This item can be set as Center DQ or Edge DQ The default setting is Center When you set it to Center DQ the host side processor side controls the host bus sourcing clock delay time If you set it to Edge DQ the edge side northbridge side controls the host bus sourcing clock delay time Generally choosing Center DQ will be fine CPU Fast Command Decode Two options are available Disable gt Enable The default setting is Disable With this setting you may select Enable if you want CPU decode address is 1T We suggest you choose Disable for greatest stability Should you want increased performance then you can select Enable User s Manual 3 6 Chapter 3 3 2 Standard CMOS Features Setup Menu This contains the basic configuration parameters of the BIOS These parameters include date hour VGA card floppy disk and HDD settings Setup Utility Capgeright CC 1704 7001 beard Saf tware oats i m 1 Beie ne Beno Level THE Hastes 5 Pra Slava i Chang Ihe d menih amp ry EISETI TIT TOL Secendary
63. wo USB connectors One USB header for two extra USB channels KR7A 133 KR7A 133R Introduction of KR7A 133 KR7A 133R Features 1 3 Miscellaneous ATX form factor One AGP slot six PCI slots Built in Wake on LAN header Built in IrDA TX RX header Built in Wake On Ring header Hardware monitoring Included fan speed voltages CPU and system environment temperature Board size 305 245mm Supports Wake On LAN Modem but your power supply 5V standby power must be able to provide at least a 720mA current capacity Otherwise the functions may not work normally PCI slot 5 shares IRQ signals with the HPT 372 IDE controller supports Ultra DMA 133 The driver for HPT 372 IDE controller supports IRQ sharing with other PCI devices But if you install a PCI card that doesn t allow IRQ sharing with other devices into PCI slot 5 you may encounter some problems Furthermore if your Operating System doesn t allow peripheral devices to share IRQ signals with each other such as Windows NT for example you can t install a PCI card into PCI slot 5 KR7A 133R Only HPT 372 IDE controller is designed to support high speed and high performance mass storage devices Thus we suggest that you don t connect non disk devices that use ATA ATAPI interfaces such as CD ROM to HPT 372 IDE connector IDE3 amp IDEA KR7A 133R Only This motherboard supports the standard bus speeds of 66MHz 100MHz 133MHz that are used
64. y throughput DRAM Command Rate Two options are available 2T Command or 1T Command The default setting is 27 Command When the host northbridge locates the desired memory address it then processes the wait state of commands Set it to 27 Command for system compatibility or to 17 Command for system performance DCLK Feedback Delay Nine options are available Auto gt 0 ps gt 120 ps gt 240 ps gt 360 ps gt 480 ps gt gt 600 ps gt 720 ps gt 840 ps The default setting is 0 The northbridge via DCLK feedback signal to sense the DRAM clock timing of DRAM module This item will effect the DRAM module s stability we suggestion you set to 0 KR7A 133 KR7A 133R Introducing the BIOS 3 17 AGP amp P2P Bridge Control This item can let you sets several items concerning the AGP parameters If you do not understand what each item doing please keep the default settings as well Wrong settings will cause system unstablity or even prevent boot up Baki Setup Utility Copyright 1904 2001 ward HEP PIF Bridge Easiral Aperture Size Item lp Mode TE Driving Cantral fala Level i Driving Valus L Fast Write Disabled Head S9nchronization Disabled Haster 1 WS Write Disabled Master 1 WS Mead Disabled TiiHove Enter Select 7 Fil ave Help FS Pr ewiage Daliee Fe Fail Saf Defawlis Fit Bptimared Figure 3 5C AGP amp P2P Br
65. y way you can identify them is to look at the sticker on the DDR SDRAM module The sticker will tell you which kind of structure module the DDR SDRAM is Frequency Asked Question About DDR DIMM Memory Does the KR7A 133 KR7A 133R motherboard support ECC memory Yes the KR7A 133 KR7A 133R does support ECC memory modules It supports up to 3 GB of non registered memory or 4 GB of registered memory The maximum DDR memory support of KR7A 133 KR7A 133R is 3 5 GB rather than 4 GB This limitation is caused by the PC architecture The missing 0 5 G memory address is reserved for PCI I O space AGP aperture mapping space and other onboard device I O space so although the KT266A datasheet states that the memory support is up to 4 GB the system only uses about 3 5 GB with four 1 GB DDR memory installed In another words BIOS and operating system will only report 3 5 GB Why does the power on process take longer time for KR7A 133 KR7A 133R system Is there any memory compatibility issue KR7A 133 KR7A 133R and other KT266A chipset board While KR7A 133 KR7A 133R system is powered on the BIOS will do a memory checking process and it takes about 5 15 seconds then continue POST sequence According to the datasheet of VIA 266 chipset Revision 2 1 September 14 2001 x 4 bit memory chip is not supported Page 3 Advanced High Performance SDR DDR DRAM Controller Supports 8 banks up to 4 GB DRAMs 512Mb x 8 x 16 DRAM technology f

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