Intel MS-6112 User's Manual
Contents
1. SW1 im OFF ON did NO Speed Setting CPU Type SW1 200MHz p BUE dia NO 233MHz orem ar ON NO 266MHz NO 300MHz AMPLE dia NO 333MHz orm LIT ON Table 2 1 200 333MHz Intel Pentium Il processor 2 14 CHAPTER 2 HARDWARE INSTALLATION 2 1 3 CPU Clock Generator Setting J10 J9 These jumper is used to set the CPU Clock o 9 nr 3n J10 J9 CPU Clock J10 J9 gt 66 MHz 11 VN Far 68 MHz mm LO a 75 MHz m m Note 68 75 MHz CPU clock are both reserved function 2 15 CHAPTER 2 HARDWARE INSTALLATION 2 1 4 CPU Fan Power Connectors JFAN CFANI SFANI PSFANI These connectors support system cooling fan with 12 It supports three pin head connector When connecting the wire to the connector always take note that the red wire is the positive and should be connected to the 12V the black wire2. 1 INTRODUCTION Chapter 1 INTRODUCTION The MS 6112 is a high performance personal computer mainboard based the Pentium II processor The mainboard uses the highly integrated Intel 82440LX AGPset which optimize the system bandwidth and concurrency with the implementation of Quad Port Acceleration QPA QPA provides 4 port concurrent arbitration of the processor bus graphics PCI bus and SDRAM The Intel 82371AB chipset integrates all system control functions such as ACPI Advanced Configuration and Power Interface The ACPI provides more Energy Saving Features for the OSPM OS Direct Power Management function The Intel 82371AB chipset also improves the IDE transfer rate by supporting Ultra DMA 33 IDE that transfers data at the rate of 33MB s The mainboard also supports the LM78 System Hardware Monitor Controller as optional function The LM78 function includes CPU power supply chassis fan revolution detect CPU system voltage monitor system temperature monitor and chassis intrusion detect optional 1 1 CHAPTER 1 INTRODUCTION 1 1 Mainboard Features CPU Slot 1 for Pentium II processor e Supports 200MHz 233MHz 266MHz 300MHz and 333MHz Core Bus ratios are x2 x2 5 x3 x3 5 x4 x4 5 x5 x5 5 x6 and higher Switching Voltage Regulator On board switching mode DC DC Step Down Regulator e Conformsto Intel VRM ver 8 1 specifications Over Voltage and Over Current protection
3. 20 ATX Power Connector ow Lin PIN DEFINITION PIN SIGNAL PIN SIGNAL 1 3 3V 11 3 3V 2 3 3V 12 12V 3 GND 13 GND 4 5V 14 PS_ON 5 GND 15 GND 6 5V 16 GND 7 GND 17 GND 8 PW_OK 18 5V 9 5V_SB 19 5V 10 12V 20 5V 2 27 CHAPTER 2 HARDWARE INSTALLATION 2 8 2 Remote Power On Off Switches JSW1 JSW2 Connect to a 2 pin push button switch Every time the switch is shorted by pushing it once the power supply will change its status from OFF to ON During ON stage push once and the system goes to sleep mode pushing it more than 4 seconds will change its status from ON to OFF If you want to change the setup you could go to the BIOS Power Management Setup This is used for ATX type power supply e Jsw1 Note The two switches are provided by the mainboard for your convenience so you can use any of them The two switches have the same feature 2 28 2 HARDWARE INSTALLATION 2 9 IrDA Infrared Module Connector IR1 The mainboard provides two 5 pin infrared IR connectors for IR modules These connectors are for optional wireless transmitting and receiving infrared module You must configure the setting through the BIOS setup to use the IR function FIR and Consumer IR ar
4. Advanced Chipset Setup of the main menu screen AMIBIOS SETUP ADVANCED CHIPSET SETUP C 1996 American Megatrends Inc All Rights Reserved Auto Configure EDO DRAM Timing Enabled Available Options EDO DRAM Speed ns 60 Enabled EDO Read Burst Timing 222 Disabled EDO Write Burst Timing x222 EDO RAS Precharge Timing 3 clocks EDO RAS to CAS Delay 3 clocks MA wait State Slow SDRAM Timing kkkkk SDRAM RAS to CAS Delay 2 Clks SDRAM CAS Latency 3 Clks SDRAM RAS Precharge Time 2 Clks DRAM Integrity Mode Non ECC VGA Frame Buffer USWC Disabled PCI Frame Buffer USWC Disabled Fixed Memory Hole Disabled CPU To PCI IDE Posting Enabled USWC Write I O Post Disabled AGP Aperture Size 64 MB USB Passive Release Enabled PIIX4 Passive Release Enabled PIIX4 Delayed Transaction Enabled USB Function Enabled USB Keyboard Legacy Support Disabled ESC Exit Sel PgUp PgDn Modify F2 F3 Color 2 Use lt Up gt and lt Down gt to choose the item and lt PgUp gt and lt PgDn gt keys to modify the highlighted item 3 After you have finished with the Advanced Chipset Setup press lt ESC gt to go back to the main menu 3 10 CHAPTER 3 AMI BIOS USER S GUIDE Description of the item on screen follows Auto Configure EDO DRAM Timing Choose Enabled default will automatically configure the DRAM timing depending on the DRAM Speed selection Choose disable to customize setup EDO DRAM Speed ns This
5. Chip Set e Intel 82440LX PCI Chipset Clock Generator 66 6MHz clocks are supported Main Memory e Supports six memory banks using three 168 pin unbuffered DIMM sockets e Supports a maximum memory size of 512MB with SDRAM or IGB with EDO e Supports ECC Error Check Correct and EC Multiple Bit Error Correction function e Supports 3 3v Extended Data Output EDO and SDRAM DIMM Slots One AGP Accelerated Graphics Port slot AGP specification compliant AGP 66 133MHz 3 3v device support e Three 32 bit Master PCI Bus slots and four 16 bit ISA bus slots wherein one shared slot that can be used as ISA or PCI e Supports 3 3v 5v PCI bus Interface 1 2 CHAPTER 1 INTRODUCTION On Board IDE e An IDE controller on the Intel 82371AB PCI Chipset provides IDE HDD CD ROM with PIO Bus Master and Ultra DMA 33 operation modes e Canconnect up to four IDE devices On Board Peripherals e On Board Peripherals include 1 floppy port supports 2 FDD with 360K 720K 1 2M 1 44M and 2 88Mbytes 2 serial ports COMB 1 parallel port supports SPP EPP ECP mode 2 USB ports 1 IrDA connector for SIR BIOS e The mainboard BIOS provides Plug amp Play BIOS which detects the peripheral devices and expansion cards of the board automatically The mainboard provides a Desktop Management Interface DMI function which records your mainboard specifications On Board System Hardware Monitor LM78
6. Heat Sink Support Top Bar HSSTOP Plastic bar that clips onto the HSSBASE through the fins on the ATX heatsink Heat Sink w fan Heat Sink that can be attached to the Pentium II processor with metal clip Note Provided by MSI mainboard Provided by Special request HSSBASE i A t HSSPIN i gt RMAM HSSTOP gt 2 3 CHAPTER 2 HARDWARE INSTALLATION Step 1 Insert the Retention Mechanism Attach Mount at the bottom of the mainboard Step 2 Install the Retention Mechanism Look for the key on Slot 1 and match it with the Notch Key on the Retention Mechanism for proper direction Then attach the Retention Mechanism to the Retention Mechanism Attach Mount Use a Screwdriver to secure the Retention Mechanism T Retention Mechanism v Notch Key al Key SLOT1 Retention Mechanism Attach Mount 2 A CHAPTER 2 HARDWARE INSTALLATION Step 3 Install the Heat Sink Support Base Look for the Two holes across Slot 1 and match it with the Two legs of the Heat Sink Support Base for the proper direction Take note that one hole leg is bigger than the other The Four top pins of the Heat Sink Support Base should also be oriented towards Slot 1 Heat Sink Support Pin Heat Sink de Support Base Push the Heat Sink Support Base onto the mainboard until you hear a click sound Check for a perfect
7. 13 121110987 654321 PIN DEFINITION PIN SIGNAL PIN SIGNAL 1 STROBE 14 AUTO FEED 2 DATAO 15 ERR 3 DATA1 16 INIT 4 DATA2 17 SLIN 5 DATA3 18 GND 6 DATA4 19 GND 7 DATA5 20 GND 8 DATA6 21 GND 9 DATA7 22 GND 10 ACK 23 GND 11 BUSY 24 GND PE GND 13 SELECT CHAPTER 2 HARDWARE INSTALLATION 2 12 Mouse Connector JKBMS1 The mainboard provides a standard PS 2 mouse mini DIN connector for attaching a PS 2 mouse You can plug a PS 2 mouse directly into this connector The connector location and pin definition are shown below Pin5 Mouse Clock S Pint 1 1 Mouse DATA RCAC RC ICN coace ial 9 9 9 PS 2 Mouse 6 pin Female 2 13 Keyboard Connector JKBMS1 The mainboard provides a standard PS 2 keyboard mini DIN connector for attaching a keyboard You can plug a keyboard cable directly to this connector 5 28 Keyboard 6 pin Female Pin5 KBD Clock Ne E mmm je Pin2 Pin3 NC Pint GND KBD DATA 2 32 CHAPTER 2 HARDWARE INSTALLATION 2 14 USB Connector USB The mainboard provides aUHCI Universal Host Controller Interface Universal Serial Bus root for attaching USB devices like
8. 2 8MBx4 1Mx16 ASYM 12 8 2 8MBx4 2 8 11 10 8MBx4 16MBx8 2Mx8 ASYM 12 9 8MBx4 16MBx8 4Mx4 SYMM m 11 16MBx8 32MBx16 4Mx4 ASYM 12 10 16MBx8 32MBx16 64M 2Mx32 ASYM 11 10 8MBxi 16MBx2 2Mx32 ASYM 12 9 8MBxi 16MBx2 2Mx32 ASYM 13 8 8MBxi 16MBx2 4Mx16 SYMM 1 11 16MBx 32MBx4 4Mx16 ASYM 12 10 16MBx2 32MBx4 8Mx8 ASYM 12 11 32MBx4 64MBx8 16Mx4 SYMM 12 12 64MBx8 28MBx16 Table 2 4 2 SDRAM Memory Addressing 5 DRAM a DRAM Address Size MB DIMM po Addressing Row Column 2795 Double 1Mx16 ASYM T 8 4 16MBx8 2Mx8 ASYM T 9 16MBx8 32MBx16 ASYM 11 10 S2MB 64MB 64M 2Mx32 ASYM 11 9 32MBx2 64MBx4 2Mx32 ASYM 12 8 16MBx2 32MBx4 4 16 T 10 32MB 64MB 4Mx16 ASYM 13 8 S2MB 64MB 8 8 13 9 64MB 128MB 16Mx4 ASYM 13 10 128MB 256MB 64M 2Mx32 ASYM T 8 4Mx16 ASYM 12 8 8Mx8 ASYM 12 9 16Mx4 ASYM 12 10 2 22 CHAPTER 2 HARDWARE INSTALLATION 2 5 Case Connector JFP1 The Turbo LED Reset Switch Key Lock Power LED Speaker and HDD LED are all connected to the JFP1 connector block Switch HDD LED JFP1 2 23 CHAPTER 2 HARDWARE INSTALLATION 2
9. Inc All Rights Reserved System Hardware Monitor Available Options Current CPU Temperature 30 c 100 f Enabled Current CPU Fan Speed 5273RPM Disabled Current Chassis Fan Speed 0 RPM Current Power Fan Speed 0 RPM Vcore 2 2V vtt 1 5V Vio 3 3V 5 000V 5V 12 000 12 12 000 12V 5 000V 5V ESC Exit Sel PgUp PgDn Modify F2 F3 Color 3 28
10. Short 1 2 pin if you re using Intel or flash memory and you want to flash the ROM data 2 17 CHAPTER 2 HARDWARE INSTALLATION 2 3 External Battery Connector JBAT1 A battery must be used to retain the mainboard configuration in CMOS RAM If you use the on board battery you must short 1 2 pins of JBATI to keep the CMOS data ETT 3 Keep Data Clear Data Note You clear CMOS by shorting 2 3 pin while the system is off Then return to 1 2 pin position Avoid clearing the CMOS while the system 15 on it will damage the mainboard 2 18 CHAPTER 2 HARDWARE INSTALLATION 2 4 Memory Installation 2 4 1 Memory Bank Configuration The mainboard supports a maximum of 1 GB of memory for EDO and 512MB for SDRAM It provides three 168 pinunbuffered DIMMs Double In Line Memory Module sockets It supports 8 MB to 256 Mbytes DIMM memory module The memory module can be either SDRAM or EDO Extended Data Output Mode DRAM A DIMM consists of two Banks and may have a maximum of 256 MB of memory Wolly EE 1 o o I O zyueg ZWINIG oxue
11. 5 1 Turbo LED The Turbo LED is always ON You can connect the Turbo LED from the system case to this pin 2 5 2 Reset Switch Reset switch is used to reboot the system rather than turning the power ON OFF Avoid rebooting while the HDD LED is lit You can connect the Reset switch from the system case to this pin 2 5 3 Keylock Keylock allows you to disable the keyboard for security purposes You can connect the keylock to this pin 2 5 4 Power LED The Power LED is always lit while the system power is on You can connect the Power LED from the system case to this pin 2 5 5 Speaker Speaker from the system case is connected to this pin 2 5 6 HDD LED HDD LED shows the activity of a hard disk drive Avoid turning the power off while the HDD led is lit You can connect the HDD LED from the system case to this pin 2 24 CHAPTER 2 HARDWARE INSTALLATION 2 6 Floppy Disk Connector FDC The mainboard also provides a standard floppy disk connector FDC that supports 360K 720K 1 2M 1 44M and 2 88M floppy disk types This connector support the provided floppy drive ribbon cables BT jn Be H FDC n 1 E 2 25 CHAPTER 2 HARDWARE INSTALLATION 2 7 Hard Disk Connectors IDE1 amp IDE2 The mainboard has a 32 bit Enhanced PCI IDE Controller that provides PI
12. Play Aware O S Set this option to Yes if the operating system in this computer is aware of and follows the Plug and Play specification Currently only Windows 95 is PnP aware The settings are Yes or No The Optimal and Fail Safe default settings No PCI Latency Timer PCI Clocks This option specifies the latency timings in PCI clocks for all PCI devices on the PCI bus The settings are 32 64 96 128 160 192 224 or 248 The Optimal and Fail Safe default settings are 64 PCI Palette Snoop When this option is set to Enabled multiple VGA devices operating on different buses can handle data from the CPU on each set of palette registers on every video device Bit 5 of the command register in the PCI device configuration space is the VGA Palette Snoop bit 0 is disabled For example if there are two VGA devices in the computer one PCI and ISA and the Bit settings are Disabled Data read and written by the CPU is only directed to the PCI VGA device s palette registers Enabled Data read and written by the CPU is directed to both the PCI VGA device s palette registers and the ISA device palette registers permitting the palette registers of both devices to be identical This option must be set to Enabled if an ISA adapter card requires VGA palette snooping The settings are Enabled or Disabled The Optimal and Fail Safe default settings are Disabled Allocate IRQ to PCI VGA Choose the IRQ to be assigned to the PCI
13. VGA display adapter card The Optimal and Fail Safe default setting is No 321 CHAPTER 3 AMI BIOS USER S GUIDE PCI IDE BusMaster Set this option to Enabled to specify that the IDE controller on the PCI local bus includes bus mastering capability The settings are Enabled or Disabled The Optimal and Fail Safe default settings are Disabled Offboard PCI IDE Card This option specifies if an offboard PCI IDE controller adapter card is installed in the computer You must specify the PCI expansion slot on the mainboard where the offboard controller is installed If an offboard PCI IDE controller is used the onboard IDE controller is automatically disabled The settings are Auto AMIG BIOS automatically determines where the offboard PCI IDE controller adaper card is installed Slot1 Slot2 Slot3 or Slot4 The Optimal and Fail Safe settings are Auto If an offboard PCI IDE controller adapter card is installed in the computer you must also set the Offboard PCIIDE Primary IRQ and Offboard Secondary IRQ options Offboard PCI IDE Primary IRQ Offboard PCI IDE Secondary IRQ These options specify the PCI interrupt used by the Primary or Secondary IDE channel on the offboard PCI IDE controller The settings are Disabled Hardwired INTA INTB INTC or INTD The Optimal and Fail Safe default settings are Disabled 3 22 CHAPTER 3 AMI BIOS USER S GUIDE DMA Channel 0 1 3 5 6 7 These options specify the bus that t
14. and lt PgUp gt and lt PgDn gt keys to modify the highlighted item 3 After you have finished with the Power Management Setup press lt ESC gt to go back to the main menu 3 16 CHAPTER 3 AMI BIOS USER S GUIDE Description of the item on screen follows Power Management APM Set this option to Enabled to enable the Intel 82440LX ISA power management features and APM Advanced Power Management The settings are Enabled Inst On instant on or Disabled The Optimal and Fail Safe default settings are Disabled Green PC Monitor Power State This option specifies the power state that the green PC compliant video monitor enters when AMIG BIOS places it in a power savings state after the specified period of display inactivity has expired The settings are Off Standby Suspend or Disabled The Optimal and Fail Safe default settings are Standby Video Power Down Mode This option specifies the power conserving state that the VESA video subsystem enters after the specified period of display inactivity has expired The settings are Disabled Standby or Suspend The Optimal and Fail Safe default settings are Standby Hard Disk Power Down Mode This option specifies the power conserving state that the hard disk drive enters after the specified period of hard drive inactivity has expired The settings are Disabled Standby or Suspend The Optimal and Fail Safe default settings are Disabled 3 17 CHAPTER 3 AMI BIOS USER S GUI
15. is Ground and should be connected to GND If your mainboard has LM78 chipset on board you must use a specially designed fan with speed sensor to take advantage of LM78 s CPU fan control GND GND 12V n SENSOR CFAN1 12V SENSOR PSFAN1 GND 12 GND o GND 5 SENSOR PSFAN1 Power Supply Fan SFAN1 CFAN1 CPU Fan SFAN1 System Chassis Fan For fans with fan speed sensor every rotation of the fan will send out 2 pulses LM78 will count and report the fan rotation speed Note 1 CFANI SFANI PSFANI the CPU Power and Chassis Cooling Fan Speed Connector reserved for LM78 System Hardware Monitor Option 2 Always consult vendor for proper CPU cooling fan 2 16 CHAPTER 2 HARDWARE INSTALLATION 2 2 Flash ROM Programming Voltage JMODE1 This jumper is for setting the Voltage of the Flash ROM BIOS o D LI B p O E I I 1 d j JMODE1 Voltage Setting JMODE1 JMODE1 412V 1 412V 1 PWD PWD vec 3 vcc 3 12V 5V default Note
16. keyboard mouse and other USB devices You can plug the USB device directly to this connector USB Port 1 12 4 me ofo o ue AUS USB Port 2 PIN SIGNAL 2 33 2 HARDWARE INSTALLATION 2 15 Power Saving LED Connector JGL1 JGL1 can be connected with LED This will lit while the system is in suspend mode nr 3n T L a 1 2 34 2 HARDWARE INSTALLATION 2 16 Special Jumpers J3 J4 These jumper is used only by special customer Always leave it on default setting L a L a 1 3 D 1 J3 J4 default 2 35 CHAPTER 3 AMI BIOS USER S GUIDE Chapter 3 AMI BIOS USER GUIDE The system configuration information and chipset register information is stored in the CMOS RAM This information is retained by a battery when the power is off Enter the BIOS setup if needed to modify this information The following pages will describe how to enter B
17. segment to be written to and read from cache memory The settings are Enabled or Disabled The Optimal default setting is Ena bled The Fail Safe default setting is Disabled C000 16K Shadow C400 16k Shadow These options specify how the contents of the video ROM are handled The settings are Disabled the Video ROM is not copied to RAM Cached the contents of the video ROM from C7FFFh are not only copied from ROM to it can also be written to or read from cache memory Shadow the Contents of the video ROM from C0000h C7FFFh are copied shadowed from ROM to RAM for faster execution The Optimal and Fail Safe default setting is Cached 3 8 CHAPTER 3 AMI BIOS USER S GUIDE C800 16k Shadow CC00 16k Shadow D000 16K Shadow D400 16k Shadow D800 16k Shadow DC00 16K Shadow These options specify how the contents of the adaptor ROM named in the option title are handled The ROM area that is not used by ISA adapter cards will be allocated to PCI adapter cards The settings are Disabled The specified ROM is not copied to RAM Cache The contents of the ROM area are not only copied from ROM to RAM for faster execution it can also be written to or read from cache memory Shadow The contents of the ROM area are copied from ROM to RAM for faster execution The Optimal and Fail Safe default settings are Disabled 3 9 CHAPTER 3 AMI BIOS USER S GUIDE 3 4 Advanced Chipset Setup 1 Press ENTER on
18. the on chip USB controller The Optional and Fail Safe default settings are Disabled USB Keyboard Legacy Support Set this option to Enabled or Disabled USB keyboard mouse The Optional and Fail Safe default settings are Disabled 3 15 CHAPTER 3 AMI BIOS USER S GUIDE 3 5 Power Management Setup 1 Press ENTER on Power Management Setup of the main menu Screen AMIBIOS SETUP POWER MANAGEMENT SETUP C 1996 American Megatrends Inc All Rights Reserved Power Management APM Disabled Available Options Green PC Monitor Power State Stand By Enabled Video Power Down Mode Suspend Disabled Hard Disk Power Down Mode Stand By Standby Time Out 1 Suspend Time Out 1 Throttle Slow Clock Ratio 50 62 5 Modem Use Port N A Modem Use IRQ N A Display Activity Ignore Device 6 Serial Port 1 Monitor Device 7 Serial Port 2 Monitor Device 8 Parallel Port Ignore Device 5 Floppy Disk Monitor Device O Primary master IDE Monitor Device 1 Primary slave IDE Ignore Device 2 Secondary master IDE Monitor Device 3 Secondary slave IDE Ignore System Thermal Ignore Thermal Slow Clock Ratio 50 62 5 CPU Critical Temperature 40 c 104 f Power Button Function Suspend ESC Exit Sel Ring Resume From Soft Off Disabled PgUp PgDn Modify RTC Alarm Resume From Soft Off Disabled F2 F3 Color RTC Alarm Date 15 RTC Alarm Hour 12 RTC Alarm Minute 50 RTC Alarm Second 30 2 Use Up and Down to choose the item
19. the option 6 Toexit press ESC save and exit press lt F10 gt 7 Section 3 2 to 3 7 will explain the option in more details 3 3 CHAPTER 3 AMI BIOS USER S GUIDE 3 2 Standard CMOS Setup 1 Press ENTER on Standard CMOS Setup of the main menu screen AMIBIOS SETUP STANDARD CMOS SETUP C 1996 American Megatrends Inc All Rights Reserved Date mm dd yyyy Mon Jul 28 1997 Time hh mm ss 17 09 25 Floppy Drive A 1 44 MB 3 1 2 Floppy Drive B Not Installed LBA Blk PIO 32Bit Type Size Cyln Head WPcom Sec Mode Mode Mode Mode Pri Master Auto ON ON AUTO ON Pri Slave Auto ON ON AUTO ON Sec Master Auto ON ON AUTO ON Sec Slave Auto ON ON AUTO ON Boot Sector Virus Protection Disabled Month Jan Dec ESC Exit Sel Day 01 31 PgUp PgDn Modify Year 1901 2099 F2 F3 Color 2 Use Up and Down to choose the item and lt PgUp gt and lt PgDn gt keys to modify the highlighted item 3 After you have finished with the Standard CMOS Setup press lt ESC gt to go back to the main menu 3 4 CHAPTER 3 AMI BIOS USER S GUIDE 3 3 Advanced CMOS Setup 1 Press ENTER on Advanced CMOS Setup of the main menu AMIBIOS SETUP ADVANCED CMOS SETUP C 1996 American Megatrends Inc All Rights Reserved Quick Boot Enabled Available Options Ist Boot Device Floppy Enabled 2nd Boot Device IDE O Disabled 3rd Boot Device CD ROM Try Other Boot
20. DC Choose Disabled Disabling onboard FDC The Optimal and Fail Safe default settings are Auto Onboard Serial Port A Onboard Serial Port B Choose 3F8 for the BIOS to automatically detect the device If the ISA add on card has Onboard Serial port to be set at COMI COM2 COM3 COM4 IRQ Em I O 3F8H 1 O 3F8H I O 3E8H I O 2E8SH PORTI ASSIGNED 2 ASSIGNED DISABLED DISABLED COM3 COMI COM2 COM2 COM3 COMI DISABLED COM3 DISABLED COM2 DISABLED COMI DISABLED COMI COM2 COM2 COM3 COMI COM3 COMI COM2 COMI COM2 lt lt NN SN XX UN SX lt ROO X Y X Y X Y Y Y X X Y X X X MOXMONFXXXNXSNSNSXXS Note If the onboard serial port interrupt and ISA add on card interrupt are in conflict the serial port will not work properly Please disable one of the devices 3 25 CHAPTER 3 AMI BIOS USER S GUIDE IR Port Support Choose Auto the BIOS will automatically assigned onboard port for IR IR Base Address Select This option will assigned which base address will be used by IR IR IRQ Select This option is for selecting the IRQ for the IR IR DMA Select This option is for selecting the DMA for the IR Onboard Parallel Port Choose Auto the BIOS automatically assigned onboard parallel port to the available parallel port or disabled If the ISA add on card has Onboard parallel port to be set as LPTI LPT2 PORT
21. DE Standby Time Out This option specifies the length of a period of system inactivity while in Full power on state When this length of time expires the computer enters Standby power state The settings are Disabled 1 min 2 min 3 min 4 min 5 min 6 min 7 min 8 min 9 min 10 min 11 min 12 min 13 min 14 min or 15 min The Optimal and Fail Safe default settings are Disabled Suspend Time Out This option specifies the length of a period of system inactivity while in Standby state When this length of time expires the computer enters Suspend power state The settings are Disabled 1 min 2 min 3 min 4 min 5 min 6 min 7 min 8 min 9 min 10 min 11 min 12 min 13 min 14 min or 15 min The Optimal and Fail Safe default settings are Disabled Throttle Slow Clock Ratio This option specifies the speed at which the system clock runs in power saving states The settings are expressed as a ratio between the normal CPU clock speed and the CPU clock speed when the computer is in the power conserving state Modem Use IO Port This indicates which IO port will be used by the Modem if there is a Modem Modem Use IRQ This indicates which IRQ no will be used by the Modem if there is a Modem CHAPTER 3 AMI BIOS USER S GUIDE Display Activity Device 6 Device 7 Device 8 Device 5 Device 0 Device 1 Device 1 Device 2 Device 3 System Thermal When set to Monitor these options enable event monitoring on the specified hardware interrup
22. Devices Yes Initial Display Mode BIOS Display Mode At ADD ON ROM Init Force BIOS Floppy Access Control Read Write Hard Disk Access Control Read Write BootUp Num Lock On Floppy Drive Swap Disabled Floppy Drive Seek Disabled PS 2 Mouse Support Enabled Primary Display Abset Password Check Setup Parity Check Disabled Boot to OS 2 64M No System BIOS Cacheable Enabled C000 16k Shadow Cached C400 16k Shadow Cached C800 16k Shadow Disabled CCO0 16k Shadow Disabled ESC Exit Sel D000 16k Shadow Disabled PgUp PgDn Modify D400 16k Shadow Disabled F2 F3 Color D800 16k Shadow Disabled DCO0 16k Shadow Disabled 2 Use Up and Down to choose the item and lt PgUp gt and lt PgDn gt keys to modify the highlighted item 3 After you have finished with the Advanced CMOS Setup press lt ESC gt to go back to the main menu CHAPTER 3 AMI BIOS USER S GUIDE Description of the item on screen follows Quick Boot Set this option to Enabled to permit AMI BIOS to boot within 5 seconds This option replaces the old ABOVE 1 MB Memory Test option The Optimal default setting is Enabled The Fail Safe default setting is Disabled 1st Boot Device 2nd Boot Device 3rd Boot Device This option sets the sequence of boot drives The settings are IDEO The system will boot from the first HDD IDEI The system will boot from the Second HDD IDE2 The system will boot from the Third HDD IDE3 The syst
23. IOS setup and all about options 3 1 CHAPTER 3 AMI BIOS USER S GUIDE 3 1 Enter BIOS Setup Enter the AMI setup Program s Main Menu as follows 1 Turn on or reboot the system The following screen appears with a series of diagnostic check AMIBIOS C 1996 American Megatrends Inc AGIOMS VXXX XXXXXX Hit DEL if you want to run setup C American Megatrends Inc 61 XXXX 001169 00111111 071592 i182440FX H 2 When the lt DEL gt message appears press DEL key to enter the BIOS setup screen 3 After pressing DEL key the BIOS setup screen will appear Note f you don t want to modify CMOS original setting then don t press any key during the system boot 3 2 CHAPTER 3 AMI BIOS USER S GUIDE AMIBIOS HIFLEX SETUP UTILITIES VERSION 1 07 C 1996 American Megatrends Inc All Rights Reserved Standard CMOS Setup Advanced CMOS Setup Advanced Chipset Setup Power Management Setup PCI Plug and Play Setup Peripheral Setup Hardware Monitor Setup Auto Detect Hard Disks Change User Password Change Supervisor Password Change Language Setting Auto Configuration with Optimal Settings Auto Configuration with Fail Safe Settings Save Settings and Exit Exit without Saving Standard CMOS setup for changing time hard disk type etc 4 Usethe Up and Down key to move the highlight scroll up or down 5 Use the ENTER key to select
24. IRQ I O 378H O 278H ASSIGNED ASSIGNED X Disabled LPT3 LPT2 LPTI LPT2 LPTI LPTI LPTI 3 X X X X X X X Y X X X Note If the onboard parallel port interrupt and ISA add on card interrupt are in conflict the parallel port will not work properly Please disable one of the devices 3 26 CHAPTER 3 AMI BIOS USER S GUIDE EPP Version This option is for setting which EPP version will be used The settings are 1 7 and 1 9 Parallel Port Mode This option allows user to choose the operating mode of the onbaord parallel port The settings are Normal SPP EPP or ECP mode Parallel Port IRQ If the onboard parallel mode is not on auto mode the user can select the interrupt line for onboard parallel port We suggest that the user select the interrupt for the onboard parallel port as shown below Onboard parallel port set at Parallel Port IRQ LPTIGTSE imos Parallel Port Channel This option allows user to choose DMA channel 1 to 3 for the onboard parallel port on ECP mode Onboard IDE Set this option to enable or disable on board IDE controller CHAPTER 3 AMI BIOS USER S GUIDE 3 8 dware Monitor Setup The Hardware Monitor Setup is used to monitor the Current CPU temperature CPU Fan speed Chassis Fan Speed Power fan speed Vcore and etc AMIBIOS SETUP HARDWARE MONITOR SETUP C 1996 American Megatrends
25. Memory Size Reserved Memory Address Some ISA cards have ROM at 0C000h 0DO00h segments but in a non standard format So Plug amp Play BIOS can t detect it The end user needs to set it up manually Setting these options under this condition will inform the BIOS which location and how many location is occupied 3 23 CHAPTER 3 AMI BIOS USER S GUIDE 3 7 Peripheral Setup 1 Press ENTER on Peripheral Setup of the main menu screen AMIBIOS SETUP PERIPHERAL SETUP C 1996 American Megatrends Inc All Rights Reserved OnBoard FDC Enabled Available Options OnBoard Serial PortA 3F8h COM1 Enabled OnBoard Serial PortB 2F8h COM2 Disabled IR Port Support Disabled IR Base Address Select 2F8 IR IRQ Select 10 IR DMA Select Disabled OnBoard Parallel Port 378 Parallel Port Mode ECP EPP Version N A Parallel Port IRQ 7 Parallel Port DMA Channel 3 Onboard IDE Both ESC Exit Sel PgUp PgDn Modify F2 F3 Color 2 Use lt up gt and lt down gt to choose the item and lt PgUp gt and lt PgDn gt keys to modify the highlighted item 3 After you have finished with the Peripheral Setup press lt ESC gt to go back to the main menu 3 24 CHAPTER 3 AMI BIOS USER S GUIDE Description of the item on screen follows Onboard FDC Choose Auto for the BIOS to automatically detect the device If the ISA add on card has Onboard FDC to be set at Disabled Enabled Choose Enabled Enabling onboard F
26. O mode 0 4 Bus Master and Ultra DMA 33 function It has two HDD connectors primary and IDE2 secondary You can connect up to four hard disk drives CD ROM 120MB Floppy reserved for future BIOS and other devices to IDE1 and IDE2 These connectors support the provided IDE hard disk cable Ennn o n o 9 5 c 5 9 9 d o o a q ello o U a gt zr c I4 Lo 15 8 o a IDE1 Primary IDE Connector The first hard drive should always be connected to IDE1 IDE1 can connect a Master and a Slave drive You must configure second hard drive to Slave mode by setting the jumper accordingly IDE2 Secondary IDE Connector IDE2 can also connect a Master and a Slave drive 2 26 CHAPTER 2 2 8 Power Supply HARDWARE INSTALLATION 2 8 1 20 pin Power Connector JPWRI This connector supports the power button on board Using the ATX power supply functions such as Modem Ring Wake Up and Soft Power Off are supported by this mainboard L2
27. alled Slot 1 for easy CPU installation and a DIP switch SW1 to set the proper speed for the CPU The CPU should always have a Heat Sink and a cooling fan attached to prevent overheating 2 1 CHAPTER 2 HARDWARE INSTALLATION 2 1 1 CPU Installation Procedures There are two kinds of Pentium II processor that is currently used the OEM Pentium II processor and the Boxed Pentium II processor OEM Pentium II processor has no Heat Sink Fan and Heat Sink Support while the Boxed Pentium II processor is provided with Heat Sink w fan and Heat Sink Support A OEM Pentium II processor Installation Procedures Processor Lock gt Heat Sink W Fan Pentium Notch Hole Processor Retention Heat Sink Mechanism Support Top Bar Heat Sink Support Base Heat Sink Support Pin Required Things Pentium II processor Processor Retention Mechanism RM Plastic Guide that holds the S E C Catridge in the Slot 1 connector Retention Mechanism Attach Mount RMA M Bolt Bridge assemblies inserted up through the bottom of the motherboard RM secures to RMAM 2 RMAM required per RM Heat Sink Support Base HSSBASE Plastic support bar mounted to the mainboard under the ATX heatsink One leg is always bigger than the other one 2 2 2 HARDWARE INSTALLATION Heat Sink Support Pin HSSPIN Plastic pins inserted through the HSSBASE to secure it to the mainboard 2 required per Assembly
28. e CPU Power Supply Chassis Fan Revolution Detect e CPU Fan Control the fan will automatically stop when the system enters suspend mode e System Voltage Detect Chassis Intrusion Detect reserved e Display Actual Current Voltage RTC Non Volatile RTC Keyboard Connector PS 2 keyboard interface and PS 2 mouse interface 1 3 1 INTRODUCTION Dimension ATX Form Factor 30cm L x 23cm W x 4 layers PCB Double deck I O connectors compatible with Intel Venus Mainboard Mounting 9 mounting holes 1 4 1 INTRODUCTION 1 2 Mainboard Layout PSEAN1 um Hop mouse optional Eee 5 y rh USB gt Port 175 optional enm 3 Top LPT o Bottom o COMA COMB Bus FWB2443LX olo 4 r1 IR oo e mm JFAN J3 J4 ensor PCI SLOT 1 L PCI SLOT 2 E FW82371AB PCI SLOT 3 ISA SLOT 2 m ISA SLOT Ww co o ISA SLOT 8 ISA SLOT SFAN1 MS 6112 1 5 CHAPTER 2 HARDWARE INSTALLATION Chapter 2 HARDWARE INSTALLATION 2 1 Central Processing Unit CPU The mainboard operates withIntel Pentium II processor The mainboard uses a CPU Slot c
29. e Enabled and Disabled The Optimal and Fail Safe default settings are Enabled Primary Display This option configures the primary display subsytem in the computer The settings are Mono monochrome 40CGA 80CGA or VGA EGA The optimal and Fail Safe default settings are VGA EGA Password Check This option specifies the type of AMI BIOS password protection that is implemented The Optimal and Fail Safe default settings are Setup 3 7 CHAPTER 3 AMI BIOS USER S GUIDE Parity Check Set this option to Enabled to use the Parity Check function The DIMM module need to have parity bit for this function to work Boot to OS 2 Set this option to Enabled to permit the BIOS to run properly if OS 2 is to be used with gt 64MB of DRAM The settings are Enabled or Disabled The Optimal and Fail safe default settings are Disabled Internal Cache External Cache This option selects the type of caching algorithm used by AMIG BIOS and the CPU for L1 cache memory internal external to the CPU The settings are Writeback a writeback algorithm is used Write through a write through algorithm is used or Disabled AMI BIOS does not specify the type of caching algorithm The algorithm is set by the CPU The Optimal and Fail Safe default settings are Writeback System BIOS Cacheable BIOS always copies the system BIOS from ROM to RAM for faster execution Set this option to Enabled to permit the contents of the F0000h RAM memory
30. e is bigger than the other Retention Mechanism Heat Sink Support Base Push the Heat Sink Support Base onto the mainboard until you hear aclick sound Check for a perfect fit 2 10 CHAPTER 2 HARDWARE INSTALLATION Step 4 Install the Heat Sink Support Attach the 2 Heat Sink Supports to the sides of the Processor These Heat Sink Supports will fit in any direction so be sure that the Heat Sink Support Locks are oriented outwards for the proper direction Intel Boxed Pentium Processor Heat Sink Support 3743 Heat Sink Support Lock 2 11 CHAPTER 2 HARDWARE INSTALLATION Step 5 Unlock the Processor Locks and Heat Sink Support Locks Push in the Processor Locks Open the Heat Sink Support Locks Processor Lock Heatsink Support Lock 3744 Step 6 Insert the Processor like inserting a PCI or an ISA card 2 12 CHAPTER 2 HARDWARE INSTALLATION Step 7 Lock the Processor Locks and Heat Sink Support Locks Secure the CPU by pushing out the Processor Locks Close the Heat Sink Support Locks The installation is now complete 2 13 CHAPTER 2 2 1 2 CPU Speed Setting SW1 HARDWARE INSTALLATION To adjust the speed of the CPU you must know the spec of your CPU always ask the vendor for CPU spec Then look at Table 2 1 200 333MHz Intel Pentium II processor for setting o o o B
31. e reserved functions 73 o NC d 1 1 IRTX d a IR1 o g o E3 2 29 CHAPTER 2 HARDWARE INSTALLATION 2 10 Serial Port Connectors COM A amp COM B The mainboard has two 9 pin male DIN connectors for serial ports COM A and COM B These two ports are 16550A high speed communication ports that send receive 16 bytes FIFOs You can attach a mouse or a modem cable directly into these connectors 12345 6789 PIN DEFINITION PIN SIGNAL DCD Data Carry Detect SIN Serial In or Receive Data SOUT Serial Out or Transmit Data DTR Data Terminal Ready GND DSR Data Set Ready RTS Request To Send CTS Clear To Send RI Ring Indicate BR oO rm 2 30 2 HARDWARE INSTALLATION 2 11 Parallel Port Connector LPT The mainboard provides a 25 pin female centronic connector for LPT A parallel port is a standard printer port that also supports Enhanced Parallel Port EPP and Extended capabilities Parallel Port ECP See connector and pin definition below LPT
32. em will boot from the Fourth HDD F optical The system will boot from LS 120 120M Floppy SCSI The system will boot from the SCSI Network The system will boot from the Network drive CD ROM The system will boot from the CD ROM Disable Disable this sequence Try other Boot Devices This option sets the device boot if all the Four Boot Devices failed Floppy Access Control This option sets the Floppy to Read only or Read Write HDD Access Control This option sets the HDD to Read only or Read Write During Read only if you try to write on the HDD the system will halt 3 6 CHAPTER 3 AMI BIOS USER S GUIDE Boot up Num Lock When this option is set to Off AMI BIOS turns off the Num Lock key when the system is powered on The end user can then use the arrow keys on both the numeric keypad and the keyboard The settings are On or Off The optimal default and Fail Safe default settings are On Floppy Drive Swap Set this option to Enabled to specify that floppy drives A and B are swapped The setting are Enabled and Disabled The Optimal and Fail Safe default settings are Disabled Floppy Drive Seek When this option is set to Enabled AMI BIOS performs a Seek command on floppy drive A before booting the system The settings are Enabled and Disabled The Optimal and Fail Safe default settings are Disabled PS 2 Mouse Support When this option is set to Enabled AMI BIOS supports a PS 2 type mouse The settings ar
33. fit Step 4 Install the Heat Sink Support Pin Push the Heat Sink Support Pins onto the two holes of the Heat Sink Support Base Check for a perfect fit These pins are used to secure the Heat Sink Support Base 2 5 CHAPTER 2 HARDWARE INSTALLATION Step 5 Install the Heat Sink with Fan to the Processor Push down the metal clips so that they are in line with the back of the Heat Sink Be careful so as not detach the metal clips from the Heat Sink Heat Sink w Fan The arrow should be ointin Heat Sink 1 p 9 Base Holder down Metal Clips In case the metal clips are detached from the Heat Sink re attach them Look for the arrow on the metal clip This arrow should be pointing down and aligned with the Heat Sink Support Base Holder Attach the Heat Sink to the processor E Metal Clips Ear Secure holes lip Holder Metal Clips Ear al Pentium Il processor Back Heat Sink w Fan Back Look at the back of the Heat Sink and take note of the 2 secure posts Insert these 2 Secure posts to the 2 secure holes on the back of the processor Align the ears of the metal clips with the clip holders on the back of the processor Use a screw driver to push the metal clips onto the clip holders Check for a perfect fit 2 6 CHAPTER 2 HARDWARE INSTALLATION Step 6 Install the Processor Unlock the Processor by pushing in the Processor Locks Insert the Processor like i
34. g LININIQ FP Fast Page amp BEDO Burst EDO are not supported 2 19 CHAPTER 2 HARDWARE INSTALLATION 2 4 2 Memory Installation Procedures A How toinstall a DIMM Module Single Sided DIMM Double Sided DIMM 1 The DIMM slot has a two Notch Key VOLT and DRAM so the DIMM memory module can only fit in one direction 2 Insert the DIMM memory module vertically into the DIMM slot Then push it in B i DRAM VOLT 3 Close the plastic clip at the side of the DIMM slot Note You can only use a 3 3 volt DIMM module EDO or SDRAM 2 20 CHAPTER 2 HARDWARE INSTALLATION 2 4 1 Memory Population Rules 1 Supports EDO and SDRAM 2 Supportsunbuffered DIMM 3 To operate properly at least one 168 pin DIMM module must be installed 4 This mainboard supports Table Free memory so memory can be installed on DIMMI DIMM2 or DIMM 3 in any order 5 Supports 3 3 volt DIMM 6 The DRAM addressing and the size supported by the mainboard is shown next page 2 21 CHAPTER 2 HARDWARE INSTALLATION Table 2 4 1 EDO DRAM Memory Addressing DRAM Address Size MB SIMM Tech width Addressing Row Column 3545 pos Side D pes 4M 1Mx4 SYMM 10 10 4 8 8MBx16 16M 1Mx16 SYMM 10 10 4
35. han a cache The WCBs are written into memory to allocate a different address or after executing a serializing locked or I O instructions During Enabled this will enable the processor memory location C000 and DFFF segment as USWC memory type DRAM Refresh Queue Choose Enabled the system will provide 4 deep refresh queue refresh request are queued with the 4th refresh request being the priority request All refresh requests are priority when the refresh queue is Disabled Fixed Memory Hole This option allows the end user to specify the location of a memory hole The cycle matching the selected memory hole will be passed to the ISA bus If Enabled the selected hole is not remapped CPU To PCI IDE Posting Set this option to Enabled to enable posted messages from the CPU to the PCI bus or IDE controller The settings are Enabled or Disabled The Optimal and Fail Safe default settings are Enabled USWC Write I O Post Set this option to Enabled to use USWC Uncacheable Speculatable Write Combined memory The settings are Enabled or Disabled The Optimal and Fail Safe default settings are Disabled CHAPTER 3 AMI BIOS USER S GUIDE AGP Aperture Size This option determines the effective size of the graphics aperture used in the particular PAC configuration The AGP aperture is memory mapped while graphics data structure can reside in a graphics aperture The aperture range should be programmed as not cacheable in the proces
36. he specified DMA channel is used These options allow you to reserve DMAs for legacy ISA adapter cards These options determine if AMI BIOS should remove DMA from the available DMAs passed to devices that are configurable by the system BIOS The available DMA pool is determined by reading the ESCD NVRAM If more DMAs must be removed from the pool the end user can use these options to reserve the DMA by assigning an ISA EISA setting to it IRQ3 IRQ4 IRQ5 RQ7 IRQ9 IRQ10 IRQ11 IRQ14 IRQ15 These options specify the bus that the specified IRQ line is used on These options allow you to reserve IRQs for legacy ISA adapter cards These options determine if AMIG BIOS should remove an IRQ from the pool of available IRQs passed to devices that are configurable by the system BIOS The available IRQ pool is determined by reading the ESCD NVRAM If more IRQs must be removed from the pool the end user can use these options to reserve the IRQ by assigning an ISA EISA setting to it Onboard I O is configured by AMI BIOS All IRQs used by onboard I O are configured as PCI PnP If all IRQs are setto ISA EISA and IRQ14 and 15 are allocated to the onboard PCI IDE IRQ9 will still be available for PCI and PnP devices because at least one IRQ must be available for PCI and PnP devices The settings are ISA EISA or PCI PnP The Optimal and Fail Safe default settings are IRQ3 through 7 are ISA EISA The Optimal and Fail Safe default settings PCI PnP Reserved
37. long with 64 bit data into the main memory During Read operation 8 bit ECC code is read along with 64 bit data and error checking is performed No correction of data will take place in this operation mode During Disabled this will disable the ECC mechanism Note If you choose ECC or EC modes you must use a DIMM with ECC byte Frame Buffer USWC The Pentium II processor supports the Uncacheable Speculatable Write Combining USWC memory type The processor provides a write combining with buffering strategy for write operation This is useful for frame buffering Writing to USWC memory can be buffered and combined in the processors write combining buffer WCB The WCBs are viewed as a special purpose outgoing write buffers rather than a cache The WCBs are written into memory to allocate a different address or after executing a serializing locked or I O instructions During Enabled this will enable the processor memory location A000 and B000 segment as USWC memory type 3 12 CHAPTER 3 AMI BIOS USER S GUIDE PCI Frame Buffer USWC The Pentium II processor supports the Uncacheable Speculatable Write Combining USWC memory type The processor provides a write combining with buffering strategy for write operation This is useful for frame buffering Writing to USWC memory can be buffered and combined in the processors write combining buffer WCB The WCBs are viewed as a special purpose outgoing write buffers rather t
38. nserting a PCI or an ISA card Step 7 Lock the Processor Locks Secure the CPU by pulling the Processor Locks out 2 7 2 HARDWARE INSTALLATION Step 8 Install the Heat Sink Support Top Bar Push the Heat Sink Support Top Bar to the Heat Sink Support Base Until you hear a click sound Check for a perfect fit Heatsink Support Top Bar The installation is now complete 2 8 CHAPTER 2 HARDWARE INSTALLATION B Boxed Pentium II processor Installation Procedures The Boxed Pentium II processor has a built in Fan and Heat Sink It also has a Heat Sink Support So if you re going to use the Boxed processor all you need is the Retention Mechanism Step 1 Insert the Retention Mechanism Attach Mount at the bottom of the mainb oard Step 2 Install the Retention Mechanism Look for the key on Slot 1 and match it with the Notch Key on the Retention Mechanism for proper direction Then attach the Retention Mechanism to the Retention Mechanism Attach Mount Use a Screwdriver to secure the Retention Mechanism i Retention Mechanism Notch FT Ke SLOT1 Retention Mechanism AR Attach Mount 2 9 _ CHAPTER 2 HARDWARE INSTALLATION Step 3 Install the Heat Sink Support Base Look for the 2 holes across Slot 1 and match it with the 2 Heat Sink Support Base Take note that one hole bas
39. option specifies the RAS access time in nanoseconds for the DRAM used in the computer The settings are 50 60 or 70 The Optimal default setting is 60 and the Fail Safe default setting is 70 EDO DRAM Read Burst Timing Choose DRAM read burst timing for the customize setup B stand for BEDO DRAM E stand for EDO DRAM and F stand for FAST PAGEDRAM EDO DRAM Write Burst Timing Choose DRAM write burst timing for the customize setup EDO RAS Precharge Timing This option defines the RAS precharge requirements for the EDO memory type in 66MHz clocks EDO RAS to CAS Delay This operation decide the delay in assertion of CAS SCAS from assertion of RAS SRAS in 66MHz MA Wait State This option selects Fast or Slow MA bus timing The Slow timing is equal to Fast 1 in term of clock number for EDO DRAM SDRAM RAS to CAS Delay This operation decide the delay in assertion of CAS SCAS from assertion of RAS SRAS in 66MHz 3 11 CHAPTER 3 AMI BIOS USER S GUIDE SDRAM CAS Latency This option determines the CAS latency time parameter of SDRAM The settings are 2 clks SDRAM RAS Precharge Time This option defines the RAS precharge requirements for the SDRAM memory type in 66MHz clocks DRAM Integrity Mode During ECC this will enable the DRAM ECC mechanism that allows detection of single bit and multiple bit errors and recovery of single bit errors During EC the ECC logic will calculate 8 bit pattern written a
40. sor cache accesses with the aperture range are forwarded to the main memory then PAC will translate the original issued address via a translation table that is maintained on the main memory The option allows the selection of an aperture size of 4AMB 8MB 16MB 32 64MB 128MB and 256MB USB Passive Release During Enabled this will allow the to use passive release look at PIIX4G Passive Release while transferring control information or data for USB transaction During Disabled PIIX4 amp will perform PCI accesses for USB without using passive release PIIX4G Passive Release The PITX4 ISA bridge support GAT Guaranteed Access Time mode which will now violate the spirit of the PCI specification The systems provides a programmable passive release mechanism to meet the required master latencies During Enabled ISA masters may see long delays in accessing PCI memory including the main DRAM array The ISA GAT mode is also not supported during enable ISA masters must honor IOCHRDY PITX4 Delayed Transaction During Enabled the PITX4 delay transaction mechanism is enabled when the PITX4G is the target of a PCI transaction A read cycle from Host to PCI is immediately retrived due to any pending PCI to DRAM cycle During Disabled a read cycle from Host to PCI is waited until time out due to any pending PCI to DRAM cycle 3 14 CHAPTER 3 AMI BIOS USER S GUIDE USB Function Set this option to Enabled or Disabled
41. t request line If set to Monitor and the computer is in a power saving state AMI BIOS watches for activity on the specified IRQ line The computer enters the full on power state if any activity occurs AMI BIOS reloads the Standby and Suspend timeout timers if activity occurs on the specified IRQ line Power Button Function During Suspend if you push the switch one time the system goes into suspend mode and if you push it more than 4 seconds the system will be turned off During On Off the system will turn off once you push the switch Ring Resume from Soft Off During Disabled the system will ignore any incoming call from the modem During Enabled the system will boot up if there s an incoming call from the modem Note If you have change the setting you must let the system boot up until it goes to the operating system Then power off the system This function will work the next time you power on RTC Alarm Resume From Soft Off This function is for setting the Date Hour Minute and Second for your computer to boot up During Disabled you cannot use this function During Enabled Choose the Date Hour Minute and Second RTC Alarm Date Choose which day the system will boot up RTC Alarm Hour Choose which hour the system will boot up RTC Alarm Minute Choose which minute the system will boot up RTC Alarm Second Choose which second the system will boot up Note If you have change the setting you must let the system boot
42. up until it goes to the operating system Then power off the system This function will work the next time you power on 3 19 CHAPTER 3 AMI BIOS USER S GUIDE 3 6 and Play Setup 1 Press lt ENTER gt on PCI Plug and Play Setup of the main menu screen AMIBIOS SETUP PCI PLUG AND PLAY SETUP C 1996 American Megatrends Inc All Rights Reserved Plug and Play Aware 0 5 No Available Options PCI Latency Timer PCI Clocks 64 Enabled PCI VGA Palette Snoop Disabled Disabled Allocate IRQ to PCI VGA Yes PCI IDE Busmaster Disabled OffBoard PCI IDE Card Auto OffBoard PCI IDE Primary IRQ Disabled OffBoard PCI IDE Secondary IRQ Disabled PCI Slot4 IRQ Priority Auto DMA Channel 0 PnP DMA Channel 1 PnP DMA Channel 3 PnP DMA Channel 5 PnP DMA Channel 6 PnP DMA Channel 7 PnP IRQ3 PCI PnP IRQ4 PCI PnP IRQ5 PCI PnP IRQ7 PCI PnP IRQ8 PCI PnP 9 PCI PnP IRQ10 PCI PnP ESC Exit Sel 11 PCI PnP PgUp PgDn Modify IRQ12 PCI PnP F2 F3 Color IRO14 PCI PnP IRO15 PCI PnP Reserved Memory Size Disabled Reserved Memory Address C8000 2 Use Up and Down to choose the item and lt PgUp gt and lt PgDn gt keys to modify the highlighted item 3 After you have finished with the PCI Plug and Play Setup press lt ESC gt to go back to the main menu 3 20 CHAPTER 3 AMI BIOS USER S GUIDE Description of the item on screen follows Plug and
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