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P6L40-A4(X) MAINBOARD User`s Manual

1. Fan Power JP18 G G JP20 cis ioo ISA Bus 1 Chassis Intrusion Detector ISA Bus 2 eo m CPU Clock Ratio ISA Bus 3 a Bs POlBus1 5 oo La o_o Bm Eo mv PCI Bus 1 8 aD m rz PES 78 25 Bas 45 Res 8 2 e PCI Bus 3 Battery Bus Clock JrsiGDB O09 Bus 4 1 26508079 ODB 2zza JFS1 GE oo 08 89 i EE r 22 _ FE __AGP Slot 1 6GMHz 83MHz EEREN IrDA IR EH JP4 Rz 0 CPU Thema z z zlz senso a zz z z For PGL40 A4X o alinio T o_o Ed T Ex m4 a eo p 2 A 8 on 9 AMET Ne 5 LED CES ae F P Green 25 FI 8 mE SM i3 J11 25 8 Hlg ree Ct e BE IE E zE sfe 3 ote IDE LED juP2 83 lt 575 je USB E 515 B T Soft jupe 42V ele PS 2 E Mouse J7 pto 3 p Key eae ae board Fan Power as P6L40 A4 X User s Manual 9 INSTALLATION Static Precautions Static electricity can be a serious danger to the electronic components on this mainboard To avoid damage caused by electrostatic discharge observe the following precautions Y Don t remove the mainboard from its anti static packaging until you are ready to install it into a computer case Also handle add in cards and modules by the edges or mounting bracket Y Before you handle the mainboard
2. SPECIFICATIONS SCSI Performance SCSI Chip SCSI devices SCSI bus transfers Bus master data transfers Symbios SYM53C860 Max 7 Async 7MB sec amp Sync 20MB sec 133MB sec at 33MHz 80 byte DMA FIFO for 2 4 8 16 dwords burst across PCI bus PCI Integration Full 32 bit PCI DMA bus master e Jumper less design Active SCSI bus termination Reliability SYMTolerANT technology with Active negation of SCSI Data Parity Request and Acknowledge signals for improved fast SCSI transfer rates e Input signal filtering on SCSI receivers improves data integrity even in noisy cabling environments Drivers amp Utilities DOS Win3 1 Win95 NT 3 5 4 x Netware 3 x 4 x SCO 3 2v4 2 5 0 UnixWare 2 x OS 2 Warp e BIOS amp Flush utility Installation Low Level Format P6L40 A4 X User s Manual 47 DC 310U PCI ULTRA SCSI ADAPTER Mainboard BIOS Support Adapter Setup 1 SYM53C860 r Adapter Setup S SCAM Support On P Parity assume Enabled Host Adapter ID 7 O Sean Order Low to High 0 Max F1 Help F2 Restore Default Setup ESC Exit this menu Device Setup r 1 SYM53C860 m Devo N A Setup R Sync Rate Mega Bytes sec 20 Mb sec W Width bits 13 8 D Disconnect xis On T Read Write Timeout secs 10 S Scan for Device at Boot Time Yes L Scan for SCSI LUNS
3. Make sure the RED stripe on the ribbon cable is oriented towards Pin 1 Notice the twist between the sets of connectors on the floppy cable The floppy drive position is at the END of the cable whereas floppy drive is hooked to one of the connectors on the other side of the twist The cable provides both Edge and Pin connectors for both the A and B positions to match the connector on your floppy drives 16 P6L40 A4 X User s Manual INSTALLATION IDE Hard Drives and CD ROMs The on board Enhanced IDE controller can support up to 4 IDE hard drives or other ATAPI devices such as CD ROMs This controller as with all Enhanced IDE controllers consists of both Primary and Secondary ports Each port has an associated connector and cable which can support up to 2 ATAPI devices each All IDE devices have jumpers which allow the user to configure the device as either Master or Slave A Master device is one that is ALONE on the IDE cable whereas a Slave device is installed as a SECOND device on the same cable Keep in mind that the Master device will appear before the Slave device in the CMOS Setup as well as the Operating System software Refer to the device documentation for jumper settings The Secondary IDE port can be used for up to 2 additional ATAPI devices Normally it s recommended that you connect your first hard drive to the Primary port and the first CD ROM to the Secondary
4. Yes Q Queue Enabled F1 Help F2 Restore Default Setup ESC Exit this menu 48 P6L40 A4 X User s Manual
5. 7 INTRODUCTION ISA SLOTS 3 16 bit ISA slots KEYBOARD BIOS Firmware chip controlling keyboard operations MAINBOARD BIOS Award BIOS supporting Plug and Play DMI Green PC specification on screen setup for Enhanced IDE and Multi I O The BIOS is FLASH Upgradeable via the AWDFLASH Utility PCI SLOTS 4 32 bit PCI slots are provided AGP SLOT AGP Accelerated Graphics Port is a new bus interface for high performance graphics capabilities especially 3D REAR INFRARED IR CONNECTOR 2 can also be used for the optional Infrared Module enabling wireless communication capability A supplied bracket with a single customized cable connects directly to the back infrared pin header on the mainboard For computer cases that support a front IR device see number 17 7 SLOT 1 Slot 1 CPU socket for Pentium CPUs 10 11 12 13 14 15 16 17 18 19 20 COM2 CONNECTOR High speed UART compatible serial port COM2 can be directed to the Infrared Module for wireless connection capability PRINTER PORT CONNECTOR EPP and ECP compatible 25 pin D Sub parallel port COMI CONNECTOR High speed UART compatible serial port USB CONNECTOR A connector for an optional USB Universal Serial Bus module is provided This connector permits the connection of two USB peripheral devices directly to the port without an external hub USB is a new technology supporting printers fax modems and other telephony devic
6. Alarm When Enabled the system will issue a warning via the speaker when the CPU fan starts to malfunction System 5V Alarm lt 4 7V When Enabled you will be warned via the speaker if the system board operating voltage is below 4 7V P6L40 A4 X User s Manual 29 MAINBOARD BIOS SETUP Power Management Setup This menu contains configuration options that reduce power consumption when the system is not in use Other Green PC compliant peripherals are also supported Power Management allows you to configure you system to use energy most efficiently and yet still in a manner consistent with your own style of computer use Power Management User Defined Reload Global Timer Events PM Control by APM Yes IRQ 3 7 9 15 NMI Enabled Video Off Method DPMS Primary IDE 0 Disabled Video Off After Doze Primary IDE 1 Disabled MODEM Use IRQ t3 Secondary IDE 0 Disabled Secondary IDE 1 Disabled Doze Mode Disabled Floppy Disk Disabled Standby Mode Disabled Serial Port Enabled Suspend Mode Disabled Parallel Port Disabled HDD Power Down Disabled Throttle Duty Cycle 62 596 Active Monitor Enabled Soft Off by PVR BTTN Instant Off Resume By Ring Disabled Resume By Alarm Disabled Quit TL lt Select Item Help Modify Old Values Shift F2 Color Load BIOS Defaults IRQ 8 Break Suspend Disabled Load Setup Defaults Power Management This category all
7. Cacheable Enabled 60ns Slow ca 3 x333 x222 Disabled Enabled Enabled Enabled Enabled Disabled Disabled Disabled AGP Aperture Size MB SDRAM RAS To CAS Delay SDRAM Precharge Time SDRAM CAS Latency Time Current CPU Temp Current System Temp Current CPU Fan Speed Current Chassis Fan Speed V5 0 5 14V V 5 0 V12 0 12 16V V 12 0 V3 3 3 36V VCore CPU Warning Temp System Warning Temp CPUFAN Warning Speed 64 Slow Slow 3 47 116 35 C 05 F 5400 RPM 0 RPM 5 04V 12 35V 2 81V 65 C 149 F 45 C 113 F 3000 RPM T 4 lt Select PU PD Mod Shift F2 Color Load BIOS Defaults Load Setup Defaults 8 Bit I O Recovery Time zl Quit 16 Bit I O Recovery Time 1 1 Help Memory Hole At 15 16 Disabled Old Values Passive Release Enabled Delayed Transaction Enabled 26 P6L40 A4 X User s Manual MAINBOARD BIOS SETUP Auto Configuration When Enabled pre defined values for DRAM Cache Timings etc are set according to the CPU type amp system clock Enabled is the recommended setting These settings are only editable when Auto Configuration is Disabled Note The first chipset settings deal with CPU access to dynamic random access memory DRAM The default timings have been carefully chosen and should only be altered if data is being lost Such a scenario might occur if your system had mixed speed DRAM
8. Display Component Base Board Type BIOS Information Enclosure Chassis Handle 0000 Processor Vendor Name Award Software International Inc Memory Controller BIOS Version 4 51 PG Memory module BIOS starting Address Segment E000 Memory module BIOS Build Date 10 07 96 Memory module BIOS Characteristics Press ENTER for detail Memory module Size of BIOS ROM 0256K Cache Cache Port Connector Port Connector Port Connector Port Connector Port Connector Port Connector Port Connector System slots Y Move cursor Enter Accept DEL Delete ESC Abort amp Exit Note The DMI utility must be run in real mode without the EMM386 memory manager loaded 46 P6L40 A4 X User s Manual DC 310U PCI ULTRA SCSI ADAPTER The DC 310U is an Ultra SCSI Host Adapter based on the Symbios Logic SYM53C860 Ultra SCSI Chip Designed to provide a low cost easy to implement SCSI solution this adapter utilizes the built in Symbios Logic SCSI BIOS on supported mainboards Fully Plug amp Play and PCI 2 1 compliant enhanced SCSI features include Disconnect Reconnect Scatter Gather and Tag Queuing to greatly improve overall system performance particularly under multitasking environments Jumper less hardware design Active SCSI Bus Termination and 32 bit PCI DMA Bus Mastering are a few more of the advanced features built in to the DC 310U providing the best performance and ease of use possible
9. E ku 7 SMI 0 S eg Jil _ D Speaker Reset CH Bo 19 20 Pins 3 amp 5 Turbo LED switch The Turbo function is not supported by this mainboard Therefore the Turbo LED will always remain lit as long as the system power is on Pins 7 amp 9 SMI suspend switch lead If your system s case has a suspend switch hook the lead from the switch to pins 7 amp 9 A suspend switch is used to save electricity by putting the system into a suspend mode when the computer is not being used This switch could also be used by the Turbo switch on the front of the system since this mainboard does not support that function For this switch to be functional it must first be enabled in the Power Management Setup in the BIOS Setup utility Pins 17 amp 19 Reset switch lead Connects to the Reset Switch lead from the system s case The reset switch is used to cold boot the system without actually turning off the power reducing wear and tear on the power supply Pins 2 6 8 10 Keyboard lock switch lead Pins 2 amp 6 connect to the Power LED from the system s case Pins 8 amp 10 connect to the case mounted keylock switch Pins 14 amp 20 Speaker connector Connects to the Speaker lead from the system s case Serial and Parallel Ports A 25 pin D Sub header is provided on the back panel for a Parallel Port multi mode bi directional parallel port a gt Two 9 pin D Sub headers are als
10. MAINBOARD BIOS SETUP Floppy Disk Access Control When R W the floppy disk can be read and written The other option is Read Only which protects the floppy disk from any modification Boot Up NumLock Status When On the NumLock key will be automatically enabled when the system boots Boot Up System Speed Sets the system speed to High or Low Generally low speed would only be used for troubleshooting purposes Gate A20 Option This entry allows you to select how the gate A20 is handled The gate 20 is a device used to address memory above 1 Mbytes Initially the gate A20 was handled via a pin on the keyboard Normal Today while keyboards still provide this support it is more common and much faster for the system chipset Fast default to provide support for gate A20 Auto Disable Unused Clock When enabled any clock not in use will be disabled to reduce EMI radiation Typematic Rate Setting Determines if the typematic rate is to be used When disabled continually holding down a key on your keyboard will generate only one instance In other words the BIOS will only report that the key is down When the typematic rate is enabled the BIOS will report as before but it will then wait a moment and if the key is still down it will begin to report that the key has been depressed repeatedly This feature is used to accelerate cursor movements with the arrow keys Typematic Rate Chars Sec When the typematic rate is enab
11. Selections F1 Helps ESC Exit this menu e Adapter Setup Adapter settings are viewed and changed 1 SYM53C860 r Adapter Setup S SCAM Support On Parity Enabled Host Adapter ID 7 Scan Order Low to High 0 Max F1 Help F2 Restore Default Setup ESC Exit this menu SCAM Support SCAM SCSI Configured AutoMatically is the SCSI Plug and Play protocol supported by Symbios BIOS version 4 X Parity The Symbios host adapters always generate parity but some SCSI devices do not Therefore you are offered the option of disabling parity checking Note When disabling parity checking it is also necessary to disable disconnect for all devices as parity checking for the reselection phase will not be disabled If a device does not supporting parity disconnects the I O will never complete because the reselection phase will halt Host SCSI ID The host adapter SCSI ID should remain on 7 default as this setting gives the adapter the highest priority on the SCSI bus However if you have two adapters on the same SCSI bus you should give one of them an unassigned ID to avoid duplication of SCSI IDs Scan Order This option allows you to tell the host adapter BIOS and your device drivers to scan the SCSI bus from low to high 0 to max SCSI IDs or from high to low max to 0 SCSI IDs If you have
12. enter into the Award Low Level Format Utility Hard Disk Low Level Format Utility NO CYLS HEAD SELECT DRIVE BAD TRACK LIST PREFORMAT Current select drive is C Drive C CYLINDER 0 HEAD 0 SIZE CYLS HEAD PRECOMP LANDZ SECTOR MODE Primary Master 850 1647 16 65535 1646 63 AUTO Primary Slave 0 0 0 0 0 0 AUTO Secondary Master 0 0 0 0 0 0 AUTO Secondary Slave 0 0 0 0 0 0 AUTO Up Down Select Item ENTER Accept ECS Exit Abort Copyright c Award Software Inc 1992 94 All Rights Reserved SELECT DRIVE Select from installed hard disk drive C or D Listed at the bottom of the screen is the drive automatically detected by the utility BAD TRACK LIST Auto Scan Bad Track The utility will automatically scan bad tracks and list the bad tracks in the window at the right side of the screen Add Bad Track Directly type in any information about known bad tracks in the window at the right side of the screen Modify Bad Track Modify information about the added bad tracks in the window at the right side of the screen Delete Bad Track Delete the added bad tracks in the window at the right side of the screen Clear Bad Track Table Clear the whole bad track list in the window at the right side of the screen 38 P6L40 A4 X User s Manual MAINBOARD BIOS SETUP PREFORMAT Interleave Select the interleave number of the hard disk drive you wish to perform low level format You may select from 1 to 8 Check the docum
13. new bin file Enter the name of the new backup file such as backup bin and press ENTER 6 At this time the system will prompt you for final confirmation before beginning programming The Utility can be aborted at this time by hitting To begin programming hit 7 When the Flash programming starts a bar indicator will show the progress of the programming operation After successful completion hit the reset button or power off the computer P6L40 A4 X User s Manual 45 DMI UTILITY This mainboard supports the Desktop Management Interface DMI which is a new method of providing enterprise management for personal computers The main component of DMI is the Management Information Format Database MIF which contains information about the computer system and its components such as BIOS version vendor CPU speed type memory size type L1 L2 cache port connectors IDE floppy 2S 1P USB keyboard mouse slots etc Using DMI remote PC management software is able to obtain various information about the system including hardware profiles capabilities operational status installation dates and other information about the system and its components This DMI utility DMICFG EXE allows you to add additional information such as serial numbers vendor information and enclosure chassis configurations into the MIF Edit DMI Add DMI Load DMI FILE Save DMI FILE BIOS System
14. not affected 34 P6L40 A4 X User s Manual MAINBOARD BIOS SETUP Load Setup Defaults Loads the default values for best system performance into the BIOS Setup program To load the default values highlight this option and press ENTER Enter Y in the confirmation screen and press ENTER again User defined options in the Standard CMOS Setup are not affected Integrated Peripherals Setup This menu is used to configure the integrated IDE subsystem and other peripherals IDE HDD Block Mode Enabled Parallel Port EPP Type On Chip Primary PCI IDE Enabled IDE Primary Master PIO Auto IDE Primary Slave PIO Auto IDE Primary Master UDMA Auto IDE Primary Slave UDMA Auto On Chip Secondary PCI IDE Enabled IDE Secondary Master PIO Auto IDE Secondary Slave PIO Auto IDE Secondary Master UDMA Auto IDE Secondary Slave UDMA Auto USB Keyboard Support Disabled Onboard FDD Controller Enabled Onboard Serial Port 1 Auto Onboard Serial Port 2 Auto ESC Quit T 1 lt Select InfraRed COM2 Selected UART COM2 Fl Help PU PD Modify Onboard Parallel Port 378 IRQ7 F5 Old Values Shift F2 Color Onboard Parallel Mode ECP EPP F6 Load BIOS Defaults ECP Mode Use DMA 23 F7 Load Setup Defaults IDE HDD Block Mode This allows your hard disk controller to use fast block mode to transfer data to and from your hard disk drive HDD Enabled or Disabled Enabled is the default On Chip Primar
15. provides the location within the DRAM where the read or write is to take place while the remaining three parts provide the actual data The lower the timing numbers the faster the system will address memory Options are x333 default and x222 EDO DRAM Write Burst Sets the timing for burst mode writes from DRAM Burst read and write requests are generated by the CPU in four separate parts The first part provides the location within the DRAM where the read or write is to take place while the remaining three parts provide the actual data The lower the timing numbers the faster the system will address memory Options are x333 and x222 default DRAM ECC PARITY Select When Disabled Default there will be no memory errors shown on the monitor for Memory parity SERR NMI When parity DRAM modules are used you may select Parity or ECC Error Checking and Correcting to correct 1 bit memory errors in the memory P6L40 A4 X User s Manual MAINBOARD BIOS SETUP CPU To PCI IDE Posting When disabled the CPU to PCI IDE posting cycles will be treated as normal I O write transactions DRAM Read Around Write When Enabled Default the execution efficiency of the processor will be increased When there is no dependence between the read and write commands this would allow the processor to execute read commands out of order Burst Write Combining When Enabled Default the execution efficiency of the PCI bus will be increased by combin
16. systems have the same Setup While the basic look and function of the Setup program remains the same for all systems individual motherboard and chipset combinations require custom configurations For example you may find that your Setup main menu has a different number of entries from the main menu displayed in this manual These are simply features not supported or not user configurable on your system The final appearance of the Setup program also depends on the Original Equipment Manufacturer OEM who built your system If your OEM has decided that certain items 18 P6L40 A4 X User s Manual MAINBOARD BIOS SETUP should only be available to their technicians those items may very well be removed from the Setup program Shortly after the system is powered on provided a CPU and sufficient RAM are installed you will see the message Press DEL to enter SETUP e Press the DEL key to enter the Award BIOS Setup program Main Menu Once you enter the Award BIOS CMOS Setup Utility the Main Menu will appear on the screen The Main Menu allows you to select from several setup functions and two exit choices Use the arrow keys to select among the items and press Enter to accept and enter the sub menu ROM PCI ISA BIOS 2A69JTG9 CMOS SETUP UTILITY AWARD SOFTWARE INC STANDARD CMOS SETUP INTEGRATED PERIPHERALS BIOS FEATURES SETUP SUPERVISOR PASSWORD CHIPSET FEATURES SETUP USER PASSWORD POWER MANAGEMENT SETUP IDE HDD AUTO DET
17. ECTION PNP PCI CONFIGURATION HDD LOW LEVEL FORMAT LOAD BIOS DEFAULTS SAVE amp EXIT SETUP LOAD SETUP DEFAULTS EXIT WITHOUT SAVING Esc Quit T 15 c Select Item F10 Save amp Exit Setup Shift F2 Change Color Time Date Hard Disk Type Note that a brief description of each highlighted selection appears at the bottom of the screen P6L40 A4 X User s Manual 19 MAINBOARD BIOS SETUP Standard CMOS Setup This first menu is where the most basic hardware options are set Information regarding the system clock IDE hard disks and floppy drives is stored and configured in this section To enter the Standard CMOS Setup press the ENTER key with this menu highlighted Date mm dd yy Fri Apr 7 1996 Time hh mm ss 00 00 00 HARD DISKS TYPE SIZE CYLS HEAD PRECOMP LANDZ SECTOR MODE Primary Master Auto 0 0 0 0 0 0 Auto Primary Slave Auto 0 0 0 0 0 0 Auto Secondary Master Auto 0 0 0 0 0 0 Auto Secondary Slave Auto 0 0 0 0 0 0 Auto Drive A 1 44M 3 5in Drive B None Floppy 3 Mode Support Disabled Base Memory 640K Extended Memory 15360K Other Memory 384K Total Memo 16384K Video EGA VGA Halt On Errors T 1 2 c Select Item PU PD Modify Shift F2 Change Color Upon entering the Standard CMOS Setup screen you will see a screen like that above First let s set the system Date Use the arrow keys to move to and highlight the Date option Select the Mont
18. In order to improve compatibility certain space in memory can be reserved for old style ISA cards that map memory between 15M 16M Do not enable this feature unless you use the old style ISA card otherwise the memory size may be reduced to 15 MB for some O S Disabled is the default Passive Release The PIIX4 provides a programmable Passive Release mechanism to meet the required master latencies When enabled default ISA masters may see long delays in access to any PCI memory including the main DRAM array Delayed Transaction When enabled the delay transaction mechanism will be in effect when is the target of a PCI transaction Enabled is the default AGP Aperture Size MB Options are 4 8 16 32 64 default 128 and 256 MB 28 P6L40 A4 X User s Manual MAINBOARD BIOS SETUP a ea SDRAM RAS To CAS Delay This option allows you to determine the delay time between the assertion of RAS To CAS Options are slow default and fast This has no impact on page hit cases and affects only row and page misses SDRAM Precharge Time DRAM must continually be refreshed or it will lose its data Normally DRAM is refreshed entirely as the result of a single request This option allows you to determine the timing for the Row Address Strobe to accumulate its charge before the DRAM is refreshed If insufficient time is allowed refresh may be incomplete and data will be lost Options are slow default and fast SDRAM CAS Late
19. Make sure to align the RED stripe on the ribbon cable with Pin 1 on the mainboard IDE connector On most hard drives and CD ROMs the RED stripe should be oriented towards the power connector of the device Installing the Memory DIMM e The P6L40 A4 X mainboard has four sockets available for 168 pin DIMMs They must be 3 3 volt Unbuffered Synchronous DRAMs SDRAM or 3 3 volt EDO RAM e DIMM Sizes supported 8 16MB 32MB 64MB 128MB e A total of 4 DIMMS can be installed for a maximum RAM capacity of 512MB To insert the DIMMs the modules must be oriented in the correct way Notice the notches of the DIMM Align these notches as shown in the diagram below Gently push the DIMM until the retainers on both sides of the socket lock the module in place To remove a DIMM push the retainers outwards to release the module then pull the module out of the socket LO Comoro 2 notch notch 1 DIMM 4 1 DIMM3 1 DIMM2 4 DIMM1 P6L40 A4 X User s Manual 17 MAINBOARD BIOS SETUP About the BIOS The Mainboard BIOS Basic Input Output System acts as the bridge between your Hardware CPU Disk Drives Video etc and Operating System Software Windows 95 OS 2 and so on The BIOS Setup also call
20. P6L40 A4 X MAINBOARD User s Manual REV 1 01 Date October 97 All other products names are trademarks or copyrights of their respective owners FCC amp DoC Compliance Statement This device complies with Part 15 of the FCC rules operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation This equipment has been tested and found to comply with limits for a Class B digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference in residential installations This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interface to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause interference to radio or television equipment reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Move the equipment away from the receiver e Plug the equipment into an outlet on a circuit different from that to which the receiver is connected e Cons
21. Regulator to support 1 3V to 3 5V ATX Form factor 12 by 7 7 305mm by 195mm On board H W 1 Hardware Monitoring Fan Status CPU Voltage System Monitor Temperature LM78 Available for 2 S W LANDesk Client Manager P6L40 A4X Options Smart Fan to support CPU Temperature Monitoring Available for P6L40 A4X 6 P6L40 A4 X User s Manual INTRODUCTION Board Level Feature ea ESI 2 3 zr SEE 5 20 6 19 ed 7 2 8 1 18 42 8 efe x MN f 1744 pao ele 12 13 16 15 14 1 ISA slots 11 USB connectors 2 Keyboard BIOS 12 PS 2 mouse connector top 3 Mainboard BIOS 13 PS 2keyboard connector bottom 4 PCI slots 14 Power connector 5 AGP slot 15 Intel 440LX chipset 6 Rear Infrared IR connector 16 DIMM sockets 7 SLOT 1 CPU 17 Front Infrared IR connector 8 COM2 connector 18 Floppy connector 9 Printer port connector 19 Secondary IDE connector 10 COM1 connector 20 Primary IDE connector Board Size ATX 305 mm x 195 mm 12 x 7 7 Ey P6L40 A4 X User s Manual
22. TER Follow the same procedure to set the User Password Changing a Password 1 Select the appropriate password option Supervisor or User from the main menu and press ENTER Enter the current password and press Enter The screen does not display the characters entered Enter in the new password then the confirmation You cannot change the current password unless you know it Erasing a Password 1 If you know the current password but want to disable password checking follow the procedure for changing the password When Setup prompts for the new password simply press ENTER You will see a message indicating that the password is disabled 2 If you do not know the current password the CMOS must be cleared by removing the battery for a while and then re installing it back This will clear all user defined BIOS Setup options P6L40 A4 X User s Manual 37 MAINBOARD BIOS SETUP IDE HDD Auto Detection Automatically detect and configure hard disk parameters The Award BIOS includes this ability in the event you are uncertain of your hard disk s parameters See also Standard CMOS Setup Low Level Format Utility This Award Low Level Format Utility is designed as a tool to save your time formatting your hard disk The Utility automatically looks for the necessary information of the drive you selected The Utility also searches for bad tracks and lists them for your reference Shown below is the Main Menu after you
23. chips installed Here greater delays may be required to preserve the integrity of the data held in the slower memory chips DRAM Speed Selection DRAM timing is controlled by the DRAM timing registers The timings programmed into this register are dependent on the system design 50ns is the fastest rate The 60ns timing is slower and may be required in certain system designs to support loose layouts or slower memory MA Wait State This item determines the wait state before the assertion of the first MA and CAS RAS assertion during DRAM read or write leadoff cycle Options are slow default and fast EDO RAS To CAS Delay This option allows you to determine the number of clocks allocated between the assertion of RAS To CAS Options are 3 or 2 Clocks Default 3 Clocks This has no impact on page hit cases and affects only row and page misses EDO RAS Precharge Time DRAM must continually be refreshed or it will lose its data Normally DRAM is refreshed entirely as the result of a single request This option allows you to determine the number of CPU clocks allocated for the Row Address Strobe to accumulate its charge before the DRAM is refreshed If insufficient time is allowed refresh may be incomplete and data will be lost Options are 3 or 4 Clocks Default 3 Clocks EDO DRAM Read Burst Sets the burst mode read timing for EDO DRAM Burst read and write requests are generated by the CPU in four separate parts The first part
24. d Pin 1 is LEN mim labeled on the circuit board Setting the CPU Clock Selection Jumpers JP5 JFS0 JFS1 After installing the CPU you must set the clock selection jumper to match the CPU Clock _ Ratio Bus Clock frequency of the CPU Find the Jumper M oe Blocks labeled JFSO JFS1 JP5 on the 266MHz x4 0 66MHz mainboard Set the jumper according to 270MHz x4 5 60MHz the table at right for the CPU frequency 300MHz x4 5 66MHz you are using 333MHz x5 0 66MHz The CPU Clock corresponds to the number marked on the CPU The Bus Clock when multiplied with the Ratio gives the CPU Clock CPU Clock Ratio Se Bus Clock x t 4 6 005 x3 E x4 x5 J50 887 280 5 un 29 es 60MHz 75MHZz an un mm 2 5 3 5 E 4 5 x5 5 4T opo ER UD 20 20 ll cDO 005 ji 66MHz 83MHz n d Hj p bloss mor These jumpers automatically set the ISA Clock as well Intel 440LX chipset supports only 60 66 MHz bus clock The 75 83MHz settings are for internal test only Over clocking may cause serious system damage e If you are uncertain about the speed requirements of your particular CPU you should obtain Technical Documentation from the manufacturer Such information is available via the Intel WWW site Hm E H WM 12 P6L40 A4 X User
25. d support software for updating the FLASH BIOS and IDE drivers For P6L40 A4 Diskette containing software for updating the FLASH BIOS and IDE drivers Optional I O Shield Optional Infrared Module Optional AGP Graphic Card Optional CPU Cooling Fan For P6L40 A4X only See P6L40 A4 X User s Manual 5 o O O O INTRODUCTION Features amp Specifications SLOT 1 support Intel Pentium II processor 233 300 MHz Intel 440LX PClset BIOS Award PCI BIOS support ACPI DMI Green PC Plug and Play Boot from CD ROM SCSI LS 120 and ZIP devices Symbios SCSI BIOS System Memory 4x 168 pin DIMM Sockets support up to 512 MB memory capacity Use 8 18 32 64 128 MB 168 pin Single or Double Side 3 3V SDRAM and 3 3V EDO Module ECC supported On board I O 1xFloppy Port Up to 2 88MB 3 Mode LS120 Features 1xParallel Port EPP ECP Port 2xSerial Ports 16550 Fast Compatible 2xIrDA TX RX Headers FIR Advanced 1 Accelerated Graphics Port Slot support AGP 66 133 MHz Features Sideband 3 3V device 2 Modem Ring in Power on 3 Soft Power off PCI Bus Master 2xUItraDMA 33 IDE Ports support IDE UltraDMA 33 33MB Sec Expansion Slots 1x 32 bit AGP slot 4x32 bit PCI Bus Master slots 3x 16 bit ISA slots ATX Double 2xUSB Ports 1xParallel Port Decker 1xPS 2 Keyboard Ports 2xCOM Ports 1xPS 2 Mouse Ports ATX Power 3V 5V and 12V 20 Pin ATX Power connector Connector Switching VR Switching Voltage
26. d using the Auto option Keep in mind that a hard drive is configured using a certain set of parameters those same parameters must be used for the life of the drive unless the drive is re FDISKed using a different parameter set This procedure deletes the old partition s on the drive and creates a new one using the new parameters e User This option allows you to manually enter in the parameters of the hard drive Generally this option would be used only if the hard drive has already been formatted with a certain set of parameters and assured consistency between the old and new parameters is desired e Types 1 45 Similar to the User option these types should only be used if the exact parameters for the hard drive are already entered as a specific type stored in the Setup Program Again this would only be needed to assure that the parameters the drive was formatted with and those it is using now are identical For new hard drives the Auto option is the preferred choice Mode One of Enhanced IDE s most important features is LBA Logical Block Addressing Mode This feature allows the use of larger hard drives by providing a way to bypass the cylinder limitations imposed by many Operating Systems LBA Mode is used to extend a hard drive s useable capacity by remapping the cylinders in a way that is acceptable to these operating systems For instance a hard drive with the parameters of 2100 Cylinders 16 Heads and 63 Sector
27. d with the Primary and or Secondary port Most add on IDE controllers are configured to use INT A for the primary and INT B for the secondary SYMBIOS SCSI BIOS When set to Auto Default the system will automatically sense the presence of any SCSI adapter that uses a Symbios SYM53C8XX SCSI chip If the SCSI adapter installed has its own The on board SCSI BIOS will not be loaded BIOS on board The adapter s own SCSI BIOS will be used If the SCSI adapter installed doesn t have The on board SCSI BIOS will load and its own BIOS and the card uses or is control the SCSI adapter compatible with the SYM53C8XX chip Disabling the onboard SCSI BIOS prevents it from being active in any way PCI Latency Timer This option sets latency of all PCI devices on the PCI bus The settings are in units equal to PCI clocks Available settings are 0 248 The default is 80 Used MEM base address This item allows you to determine which basic addresses are not to be occupied by PCI Card and leave these addresses for some special ISA Card used only Choices are C800 CC00 D000 D400 D800 Load BIOS Defaults Loads Fail Safe settings into the BIOS Setup program These options are designed to slow the system down for troubleshooting purposes To load the default values highlight this option and press ENTER Enter in the confirmation screen and press ENTER again User defined options in the Standard CMOS Setup are
28. e PS 2 MOUSE CONNECTOR Supports PS 2 style mice PS 2 KEYBOARD CONNECTOR Supports PS 2 style keyboards POWER CONNECTOR 20 Pin ATX Power Connector INTEL 440LX CHIPSET Features SDRAM Ultra DMA 33 and AGP support DRAM SOCKETS 4 128 pin DIMM sockets are provided to support a maximum RAM memory capacity of 512 MB DIMM types of 3 3 Volt true SDRAM is supported and automatically detected by the BIOS FRONT INFRARED IR CONNECTOR This is convenient for system cases that support a front IR connector FLOPPY CONNECTOR Built in floppy controller supports 2 5 25 or 3 5 1 44MB or 2 88MB floppy drives SECONDARY IDE CONNECTOR Connector for second IDE channel PRIMARY IDE CONNECTOR Connector for first IDE channel The on board PCI Bus Mastering IDE controller features support for DMA Mode 2 and PIO Modes 3 and 4 for faster data transfer rates 2 Connectors are provided for support of up to 4 IDE devices on two channels ATAPI Tape Drives and CD ROMs are also supported P6L40 A4 X User s Manual INTRODUCTION Comprehensive Mainboard View
29. ed CMOS Setup is where many hardware configuration options are set and stored This configuration information will remain in the BIOS until it is changed or cleared by removing the battery for a while then reinstalling it back CMOS Complementary Metal Oxide Semiconductor refers to the chip in which the BIOS information is stored The P6L40 A4 X mainboard features Award BIOS which provides an easy to use Setup program to aid in hardware configuration In this section we will look at the various menus and options contained in the Award BIOS Setup Program This mainboard also features a Flash BIOS A Flash BIOS can be upgraded via software thereby eliminating the need to actually replace the BIOS Chip on the mainboard Procedures for updating the BIOS follow this section The Award BIOS installed in your computer system s ROM Read Only Memory is a custom version of an industry standard BIOS This means that it supports Intel processor in a standard IBM AT compatible input output system Using Setup In general you use the arrow keys to highlight items press lt Enter gt to select use the PageUp and PageDown keys to change entries press lt F1 gt for help and press lt Esc gt to quit Getting Help Pressing F1 will display a small help window that describes the appropriate keys to use and the possible selections for the highlighted item To exit the Help Window press lt Esc gt A Final Note About Setup Not all
30. entation that came with the drive for the correct interleave number or select 0 for utility automatic detection Auto Scan Bad Track This allows the utility to scan for bad sectors first then format by each track Start Press lt Y gt to start low level format Save amp Exit Setup Exit Without Saving Select Save amp Exit Setup to save into the CMOS memory all modifications specified during the current session To save the configuration changes highlight this option in the main menu and press ENTER The system displays a confirmation message on the screen Press the Y key and then Enter Press the N key and then the Enter key to abort The Exit Without Saving option allows the user to exit the BIOS Setup without updating any changes made during the current session PCI Device Listing This list of installed PCI devices appears after the System Configuration screen PCI device listing Bus No Device No Func No VenderID Device ID Device Class IRQ 0 7 1 8086 7010 IDE Controller 14 15 0 2 8086 8829 Serial bus controller 11 0 0 1013 7333 Display controller Bus No Encoded value indicating 1 of 256 possible buses in a system Device No Encoded value indicating 1 of 32 possible devices on a given bus Func No Encoded value indicating 1 of 8 possible functions on a multifunction device Vender ID Identifies the manufacturer of the device Valid vendor identifiers are allocated by the PCI SIG Special Inter
31. ernal Cache Enables or Disables the Level 1 Internal Cache memory Generally this would only be Disabled for troubleshooting purposes External Cache Enables or Disables the Level 2 External Cache memory Generally this would only be Disabled for troubleshooting purposes Quick Power on Self Test Speeds up Power On Self Test POST after the computer is powered on When set to Enable the BIOS will shorten or skip some checks during POST Hard Disk Boot From This option lets you choose to boot from Primary IDE Master Pri IDE M Primary IDE Slave Pri IDE S Secondary IDE Master Sec IDE M Secondary IDE Slave Sec IDE S or SCSI hard disk Same as IDE options the Boot Sequence in the next field is set to A when the SCSI is chosen Boot Sequence When your system is powered on the BIOS performs a variety of operations then attempts to boot an Operating System from either a hard drive floppy drive CD ROM or LS 120 ZIP This setting determines the sequence that the BIOS will follow when searching devices for a bootable disk Most users find the C A setting to be most beneficial since it takes the least amount of time to boot the system If however you want the ability to boot from a Floppy or CD ROM drive you would need to choose either the A C or CDROM C A setting For instance if your boot sequence was set to C A and for some reason you wanted to boot to your Floppy A Drive it would not be possible since the BIOS
32. es these goals with its 32 bit Data path Local Bus design and support for Plug amp Play Unlike older expansion bus architectures PCI provides peripherals with a direct connection to the CPU and memory The PCI bus runs at 33Mhz and has a maximum transfer capability of 132MBps With Plug amp Play the system BIOS automatically determines hardware resources for new peripherals simplifying installation of multiple interface cards This Setup Menu provides configuration options for the PCI Bus and its assigned resources PNP OS Installed No PCI IDE 2nd Channel Disabled Resources Controlled by Manual PCI IDE IRQ Map To PCI AUTO Reset Configuration Data Enabled Primary IDE INT A Secondary IDE INT B IRQ 3 assigned Legacy ISA IRQ 4 assigned Legacy ISA SYMBIOS SCSI BIOS Auto TRQ 5 assigned PCI ISA PnP PCI Latency Timer 80 PCI Clocks IRQ 7 assigned PCI ISA PnP IRQ 9 assigned PCI ISA PnP Used MEM base addr N A IRQ 10 assigned PCI ISA PnP IRQ 11 assigned PCI ISA PnP IRQ 12 assigned PCI ISA PnP TRQ 14 assigned PCI ISA PnP IRQ 15 assigned PCI ISA PnP DMA 0 assigned PCI ISA PnP DMA 1 assigned PCI ISA PnP Quit T 4 lt Select Item DMA 3 assigned PCI ISA PnP Help Modify DMA 5 assigned PCIASA PnP Old Values Shift F2 Color DMA 6 assigned PCI ISA PnP Load BIOS Defaults DMA 7 assigned PCI ISA PnP Load Setup Defaults PNP OS Installed Set to Yes if your o
33. est Group to ensure uniqueness Device ID Identifies the particular device This identifier is allocated by the vendor Device Class Specifies one of the following device classes Mass storage controller Network controller Display controller Multimedia device Bridge device Simple communication controller Base system peripherals Input device Docking station Processor and Serial bus controller The PCI device listing is useful for troubleshooting purposes More detailed information for each field may be obtained through the PCI specification documentation P6L40 A4 X User s Manual 39 BUILT IN SYMBIOS SCSI BIOS To provide easy to use and cost effective support for adapters using or compatible with the Symbios Logic 53C8XX SCSI chips this mainboard features built in Symbios SCSI BIOS In most cases you should not need to change the default configuration of your host adapter You may decide to alter these default values if there is a conflict between device settings or if you need to optimize system performance A message appears on your computer monitor for about 5 seconds during boot that looks like this Press Crtl C to start Configuration Utility If you decide to press Ctrl C during boot the following message appears Please wait invoking Configuration Utility After a brief pause your computer will display the Main Menu of the utility The Symbios SCSI Configuration Utility This menu driven utility allows y
34. evo N A Setup Sync Rate Mega Bytes sec 20 Mb sec Width bits amp Disconnect x Read Write I O Timeout secs 10 Scan for Device at Boot Time Yes Scan for SCSI LUNs E Queue Tags F1 Help F2 Restore Default Setup ESC Exit this menu orodozm Sync Rate Mega Bytes sec Defines the maximum transfer rate the host adapter attempts to negotiate The host adapter and a SCSI device must agree to a rate they can both handle Width bits Sets the maximum data width the host adapter will attempt to negotiate The host adapter and a SCSI device must agree to a width they can both handle Only those host adapters that support 16 bit data transfers will show this option as enabled Disconnect SCSI devices have the ability to disconnect from the bus during an I O transfer This option tells the host adapter whether or not to allow a device to disconnect P6L40 A4 X User s Manual 43 BUILT IN SYMBIOS SCSI BIOS Some devices run faster with disconnect enabled mostly newer devices while some run faster with disconnect disabled mostly older devices Read Write I O Timeout secs This option sets the time the host adapter waits for a read write verify or seek command to complete before trying the I O transfer again Since this provides a safeguard allowing the system to recover if an I O operation fails it is recommended that you always set the t
35. eyboard driver within the onboard BIOS The keyboard driver simulates lagacy keyboard command and let you use USB keyboard during POST or after boot if you don t have USB driver in the operating system Onboard FDD Controller Enables or Disables the on board Floppy Disk Controller Onboard Serial Port 1 With this option the on board Serial Port 1 can be Disabled or set to 3F8 IRQ4 2F8 IRQ3 3E8 IRQ4 or 2E8 IRQ3 Auto is Default Onboard Serial Port 2 With this option the on board Serial Port 2 can be Disabled or set to 3F8 IRQ4 2F8 IRQ3 3E8 IRQ4 or 2ES IRQ3 Auto is Default InfraRed COM2 Selected By default this field is set to COM2 which directs the second serial port UART to support the serial port Choosing SHARP IR ASKIR IrDA SIR HPSIR CIR or FIR will activate the on board infrared feature and redirect the second serial port UART to support the infrared module connector on the mainboard Onboard Parallel Port With this option the on board Parallel Port can be Disabled or set to 378 IRQ7 Default 3BC IRQ7 or 278 IRQ5 Onboard Parallel Port Mode Sets the operating mode of the parallel port Options are Normal EPP Enhanced Parallel Port Normal ECP Extended Capability Port and ECP EPP default ECP Mode Use DMA Options are 1 and 3 This field is available only when one of the two following options in Parallel Port Mode is selected ECP or ECP EPP Parallel Port EPP Type O
36. follows 1 First boot the system with DOS or to Safe Mode under Windows 95 If you are booting DOS from a hard drive or floppy disk press F5 when the message Starting MS DOS appears on the screen If you are booting Windows 95 press the F8 key and select the Safe mode command prompt option This will assure that the system is running in real mode with no device drivers loaded This is the only correct way to run the AWDFLASH Utility program 2 There are 2 important files needed to re program the BIOS The first is AWDFLASH EXE which is the FLASH BIOS Programming Utility The second file needed is the updated BIN file which contains the actual BIOS code This file will have the extension bin such as P598GH BIN Make sure these files are on the diskette or hard drive in the same directory 3 Start the AWDFLASH Utility by changing to the directory where the two required files exist and typing AWDFLASH and pressing ENTER FLASH MEMORY WRITER v5 2C Copyright lt C gt 1993 Award Software Inc For SIS 85C471 14865U2G DATE 84 26 94 Flash Type Pile Mame to Program NENNNNENEENEEEEEEN Error Message 4 The AWDFLASH Utility Screen appears You will be asked for the file name to program Type in the name of the new BIOS bin file and hit ENTER 5 The program will then ask if you want to backup the old BIOS This is recommended in case there are any problems with the
37. h by using the PgDn and PgUp keys This is how most settings will be configured Then move to the day year and time via the arrow keys to finish setting the system date and time Keep in mind that the system time is set in 24 hour time With this method 1PM is represented as 13 00 2PM as 14 00 and so on with 00 00 corresponding to Midnight Pri Master Pri Slave Sec Master Sec Slave These four options relate to the 4 IDE hard drives CD ROMs or other ATAPI devices that can be controlled via the on board IDE controller review IDE Hard Drives and CD ROMs on page 17 The Pri Master setting specifies the first device on the primary IDE channel Pri Slave the second Sec Master and Sec Slave specify the devices on the secondary channel The first option available is the most important Type This is where you will specify the type of device and how it is represented in the BIOS Setup If the device is a hard disk or CD ROM generally the Auto option is the best choice for fast and easy setup of the hard 20 P6L40 A4 X User s Manual MAINBOARD BIOS SETUP disk parameters Let s take a look at the difference between the Auto User and Types 1 45 options e Auto This option instructs the BIOS to automatically configure the hard disk by reading the parameters cylinders sectors etc directly from the hard disk s firmware Use this option if you are configuring a new hard drive or one that has already been formatte
38. ime out to a value greater than zero no time out Scan for Device at Boot Time When there is a device you do not wish to make available to the system set this option to No for that device Also on a bus with only a few devices attached you can speed up boot time by changing this setting to No for unused SCSI IDs Scan for SCSI LUNs You can set this option to No if you have problems with a device that responds to all LUNs whether they are occupied or not Queue Tags If your device driver can issue queue tags this option allows you to enable or disable the issuing of queue tags during I O requests Since some changes only take effect after your system reboots it is important that you quit this Configuration utility properly You should return to the Main Menu and exit via the Quit option If you reboot the system without properly exiting the utility some changes may not be saved Device Drivers To function properly with different SCSI devices under different operating systems you ll need to install device drivers The device driver information should be available in your SCSI adapter s package 44 P6L40 A4 X User s Manual FLASH BIOS PROGRAMMING UTILITY Updating the Award BIOS Code is made easy with the AWDFLASH Utility Since this mainboard features FLASH BIOS it is not necessary to change the actual BIOS chip in order to upgrade the System BIOS The user can simply re program the old BIOS using the AWDFLASH Utility as
39. in any way touch a grounded anti static surface such as an unpainted portion of the system chassis for a few seconds to discharge any built up static electricity Installing the CPU Your P6L40 A4 X mainboard features SLOT 1 architecture a modular design that can accommodate Intel Pentium II processors Before installing the CPU attach the retention mechanism first Attaching the Retention Mechanism Locate SLOT 1 Attach the Retention Mechanism as illustrated below Make sure all components are correctly oriented 10 P6L40 A4 X User s Manual INSTALLATION Installing Pentium IT CPU Y Warning It is required to use a CPU Cooling Fan to prevent the CPU from overheating Install the fan first before inserting the CPU into the socket 1 Slide the CPU down into the retention mechanism and seat it firmly into the slot Make sure the CPU is correctly oriented Fig 1 2 Lock the CPU in place by pushing the two tabs on the CPU outwards Fig 2 P6L40 A4 X User s Manual 1 1 INSTALLATION Setting the Jumpers Jumpers are used on this mainboard to 3 pin Jumper 2 pin Jumper select various settings and features A 2 pin Pin 1 2 EE Open jumper has two settings Open and Short or M Closed The jumper is closed by placing 0 0 the Jumper Cap across the two pins thereby Pin 2 3 Short connecting them 3 pin jumpers can be set to pins 1 2 or 2 3 connecte
40. ing several CPU to PCI write cycles into one VGA performance will also be increased via this setting PCI To DRAM Pipeline When Enabled the bandwidth of the path between the PCI and DRAM will be increased to enhance the PCI bus efficiency and DRAM accessing System BIOS Cacheable When Enabled the contents of the F0000h system memory segment can be cached to the Level 2 cache memory The contents of the F0000h memory segment are always copied from the BIOS ROM to system RAM for faster execution and PCI compliance Video BIOS Cacheable When Enabled 0000 to C7FFH become cacheable memory Video RAM Cacheable Enabled will cause access to the video RAM addressed at B0000H to BFFFH to be cacheable and also let the A0000H to AFFFFH to be a UC memory type Disabled is the default 8 Bit I O Recovery Time The recovery time is the length of time measured in ISA BUS clocks that the system will delay after the completion of an input output request This delay takes place because the CPU is operating faster than the input output bus Therefore the CPU must be delayed to allow for the completion of I O transfers This item allows you to determine the recovery time allowed for 8 bit I O Choices are from NA 1 to 8 ISA BUS clocks is the default 16 Bit I O Recovery Time This item allows you to determine the recovery time allowed for 16 bit I O Choices are from NA 1 to 4 ISA BUS clocks is the default Memory Hole At 15M 16M
41. led this selection allows you to select the rate at which the keys are accelerated Options are 6 default 8 10 12 15 20 24 and 30 Typematic Delay Msec When the typematic rate is enabled this selection allows you to select the delay in msec between when the key was first depressed and when the acceleration begins Options are 250 default 500 750 and 1000 Security Option This option enables password checking every time the computer is powered on or every time BIOS Setup is executed If System is chosen a user password prompt appears every time the computer is turned on If Setup is chosen the password prompt appears only when the BIOS Setup program is executed Refer to the section Supervisor Password for more information PCI VGA Palette Snoop This option must be set to Enabled if any ISA MPEG card installed requires VGA palette snooping The settings are Disabled or Enabled Assign IRQ For The Enabled option allows the BIOS to auto route an IRQ for use by a card While most of the cards do not need an IRQ assignment certain cards may need it OS Select For DRAM 64MB This should be set to OS2 if you are running IBM OS 2 with more than 64MB of RAM in the system Otherwise the setting should be Non OS2 mese P6L40 A4 X User s Manual 25 MAINBOARD BIOS SETUP Report No FDD For WIN95 While the FDD in STANDARD CMOS SETUP is se
42. ment Setup 5 scooter trece tro cerei eee Render dan 30 PNP PCI Configuration Setup esses nennen nennen 33 Load BIOS Defaults icir enr ed e ERO PR ER P EH 34 Load S t p D faults nece et teet etus eei E 35 Integrated Peripherals Setup 35 Supervisor Password and User Password Setting eese 37 IDE HDD Auto Detection iie eb need 38 Low Level Format Utility 38 Save amp Exit Setup Exit Without Saving essere 39 P6L40 A4 X User s Manual 3 TABLE OF CONTENTS PCT Device Listing 12 320 panies a ee aA a a 39 BUILT IN SYMBIOS SCSI BIOS eene 40 FLASH BIOS PROGRAMMING UTILITY eene 45 DMI UTILITY 46 DC 310U PCI ULTRA SCSI 47 4 P6L40 A4 X User s Manual INTRODUCTION Product Description The P6L40 A4 X mainboard represents the highest level of technology available in PC Mainboards today Designed as a flexible high performance and cost effective solution for System Integrators and End Users alike the P6L40 A4 X provides the power and expandability to meet the requirements of the most advanced operating systems and software applications The P6L40 A4 X features SLOT 1 architecture a modular design that suppo
43. more than one device on the SCSI bus changing the scan order changes the order in which drive letters are assigned by the system 42 P6L40 A4 X User s Manual BUILT IN SYMBIOS SCSI BIOS e Device Selections Settings for the devices attached to the selected adapter are viewed and changed 1 SYM53C860 T Device Selection 0 7 Sync Data Disc Time Scan Scan Queue Rate Width Out Bus LUNS Tags 0 DevO N A 20 8 10 Yes Yes Enabled 1 Devi N A 20 8 10 Yes Yes Enabled 2 Dev2 N A 20 8 10 Yes Yes Enabled 3 Dev3 N A 20 8 10 Yes Yes Enabled 4 Dev4 N A 20 8 10 Yes Yes Enabled 5 Dev5 20 8 On 10 Yes Yes Enabled 6 Dev6 20 8 On 10 Yes Yes Enabled 7 SYM53C860 20 8 On 10 Yes Yes Enabled D Device Selection 8 15 F1 Help ESC Exit this menu The above menu provides information about individual SCSI devices attached to the selected host adapter as well as the adapter itself To make changes to these settings select a device from this display and press lt Enter gt to bring up the individual Device Setup menu Device Setup Menu When you select a specific device from the Device Selection menu your computer displays the following Device Setup menu The settings in this menu effect individual SCSI devices attached to the selected host adapter Changes made from this menu will require a system reboot upon exit from the SCSI Configuration utility 1 SYM53C860 D
44. ncy Time This item allows you to select the CAS latency for all SDRAM cycles Options are 3 or 2 Clocks Default 3 Clocks The following items are for P6L40 A4X only System Hardware Monitor The onboard hardware monitor allows you to observe the current temperatures of the CPU and system current speeds in RPM rotation per minute of the CPU fan and chassis fan as well as the various operating voltages If the fan is not installed 0 RPM will be shown CPU Warning Temp Once the CPU temperature exceeds the temperature specified a warning will be issued via the speaker and the operating CPU speed will be slowed down to ease the situation Options are Disabled 50 C 122 F 80 C 176 F in every 5 C interval 65 C 149 F is the default System Warning Temp Once the system temperature exceeds the temperature specified a warning will be issued via the speaker Options are Disabled 40 C 104 F 45 C 113 F default and 50 122 CPUFAN Warning Speed Once the speed of the CPU cooling fan falls below the speed specified in RPM rotation per minute a warning will be issued via the speaker Options are Disabled 3000 default 3500 4000 RPM The following items are for P6L40 A4 only CPU Overheat Alarm gt 65 C When Enabled once the CPU temperature exceeds 65 C a warning will be issued via the speaker and the operating CPU speed will be slowed down to ease the situation CPU Fan Malfunction
45. o off function Options are Standby Doze default Suspend and N A MODEM Use IRQ This item tells the Power Management BIOS which IRQ is assigned to the installed MODEM Options are NA 3 default 4 5 7 9 10 and 11 PM Timers The following four modes are Green PC power saving functions which are only user configurable when User Defined Power Management has been selected See above for available selections Doze Mode When enabled and after the set time of system inactivity the CPU clock will run at slower speed while all other devices still operate at full speed Standby Mode When enabled and after the set time of system inactivity the fixed disk drive and the video will be shut off while all other devices still operate at full speed Suspend Mode When enabled and after the set time of system inactivity all devices except the CPU will be shut off HDD Power Down When enabled and after the set time of system inactivity the hard disk drive will be powered down while all other devices remain active Throttle Duty Cycle This item determines the duty cycle for the clock control thermal throttling mode The duty cycle indicates the percentage of time the STPCLK signal is asserted VGA Active Monitor When enabled the video detect logic will generate a timer reload event for device monitor 11 Soft Off by PWR BTTN With Jnstant Off selected the ATX switch functions like a normal system p
46. o provided on the back panel for Serial ports der prr Modem Ring In Power On COM 1 COM2 Install a modem normally to COM2 and enable Resume by Ring function from BIOS setup Please refer to page 31 This allows the modem to remotely power on the system or return it to full power out of suspend standby mode P6L40 A4 X User s Manual 15 INSTALLATION IrDA Compliant Infrared Module Connector JP3 JP4 B oc The IrDA connector bracket hooks directly to this connector on the mainboard This connector provides support for the optional wireless o transmitting and receiving infrared module You must first configure mas through the BIOS setup where UART2 is directed COM2 or IrDA ll O Pin 6 is reserved for consumer IR To M B Infrared We di p Connector PA gu 5 pin socket DB 9 female o 4 DB 9 male IR Adapter USB Connector This 8 pin connector permits connection of two USB peripheral USB devices directly to the system without an external hub PS 2 Keyboard and Mouse Connectors PS 2 These two connectors are located on the back panel of the Mouse mainboard PS 2 Keyboard EE ee Floppy drives The on board floppy controller supports 2 floppy disk drives with the floppy ribbon cable provided
47. ot stop for a keyboard or disk error it will stop for all other errors Memory This category is display only All memory detected by the POST Power On Self Test of the BIOS is shown as the following types 22 P6L40 A4 X User s Manual MAINBOARD BIOS SETUP Base Memory is the amount of conventional memory installed in the system This value is typically 640K for systems with 640K or more memory installed on the motherboard The Extended Memory is the amount of memory located above 1 MB in the CPU s memory address map Other Memory refers to the memory located in the region between 640K and 1MB This region can be used for shadowing as well as expanded memory in DOS BIOS Features Setup This menu provides access to more advanced BIOS configuration settings that deal with overall performance of the system and peripheral setup This section allows you to configure your system for basic operation You have the opportunity to select the system s default speed boot up sequence keyboard operation shadowing and security Virus Warning Disabled OS Select For DRAM gt 64MB Non OS2 CPU Internal Cache Enabled Report No FDD For WIN 95 No External Cache Enabled Quick Power On Self Test Enabled Video BIOS Shadow Enabled Hard Disk Boot From Pi IDE M C8000 CBFFF Shadow Disabled Boot Sequence C A Shadow Disabled Swap Floppy Drive Disabled D0000 D3FFF Shadow Disabled Boot Up Floppy Seek Di
48. ou to view and change the default configuration settings for host adapters using Symbios 53C8XX chips Note Pressing Ctrl A after memory count during re boot allows you to recover the default settings and reconfigure The following tables list the configuration settings you can change Global Affects both the adapter and all SCSI devices e Device Affects only the individual SCSI devices Global Default Settings Device Default Settings SCAM Support On Synchronous Transfer Rate MB sec Enabled Data Width I8 7 Disconnect Low to High 0 Max Read Write I O Timeout secs Scan for Devices at Boot Yes Time Scan for SCSI LUNs Queue Tags Enabled 40 P6L40 A4 X User s Manual BUILT IN SYMBIOS SCSI BIOS Main Menu r MAIN MENU Pot Status NvRAM Num Level Current Next Boot Found 1 SYM53C860 FCOO 9 On On Yes 2 SYM53C820 0 0 Off Off 3 SYM53C825 FDOO 9 On On Yes 4 SYM53C815 FEO0 10 B Adapter Boot Order C Change Adapter Status D Display Mode Terse Mono Color F1 Help Q Quit You can select an adapter only if the current status is Changes are only possible with SCSI adapters that support non volatile memory Check Found column to see if NVRAM is present on your adapter If you choose to alter any of these settings exit via the Quit option and the system will reboot Adapter Boot Order All
49. ower off button With Delay 4 Sec selected you must hold down the ATX switch for more than 4 seconds to power off the system Resume by Ring This item enables the modem to power on the system or return it to full power out of suspend standby mode P6L40 A4 X User s Manual 31 MAINBOARD BIOS SETUP Resume by Alarm When enabled the system will automatically power on or returns to full power out of suspend standby mode at the time and date of the month 0 for daily specified IRQ 8 Break Suspend When 8 Clock Event is enabled the unmasked IRQ8 will generate a Fast Burst Timer reload or stop break event Reload Global Timer Events IRQ 3 7 9 15 NMI Enable an unmasked IRQ 3 7 9 15 NMI when asserted reload the Global Standby Timer Primary Secondary IDE 0 1 Floppy Disk Serial Port Parallel Port Enable reload events from the respective device monitor to reload the Global Standby Timer 32 P6L40 A4 X User s Manual MAINBOARD BIOS SETUP PNP PCI Configuration Setup The PCI Personal Component Interconnect Bus was developed by Intel and other industry leader partners primarily to address two important issues faced by PC hardware designers today a How to allow peripheral devices to take the fullest advantage of the power of Pentium and Pentium Pro chip technology and b Provide a simpler installation process for peripheral devices such as Network cards EIDE or SCSI controllers PCI accomplish
50. ows you to select the type or degree of power saving and is directly related to the following modes Doze Mode Standby Mode Suspend Mode and HDD Power Down There are four selections for Power Management three of which have fixed mode settings Disabled No power management Disables all four modes Min Saving Minimum power management Doze Mode 1 hr Standby Mode 1 hr Suspend Mode 1 hr and HDD Power Down 15 min Max Saving Maximum power management ONLY AVAILABLE FOR SL CPUs Doze Mode 1 min Standby Mode 1 min Suspend Mode min and HDD Power Down 1 min User Defined default Set each mode individually When Enabled each range is from 1 min to 1 hr except for HDD Power Down which ranges from 1 min to 15 min PM Control by APM When set to Yes an Advanced Power Management device will be activated to enhance the Max Power Saving mode and stop the CPU internal clock If the Max Power Saving is not enabled this will be preset to No 30 P6L40 A4 X User s Manual MAINBOARD BIOS SETUP Video Off Method This determines the manner in which the monitor is blanked V H SYNC Blank This selection will cause the system to turn off the vertical and horizontal synchronization ports writing blanks to the video buffer Blank Screen This option only writes blanks to the video buffer DPMS Initial display power management signaling Video Off After This is to determine when to activate the vide
51. ows you to set the order in which host adapters will boot when more than one Symbios host adapter is present in the system To change an adapter s boot order select it and press Enter You are then prompted to enter the new boot sequence number When the adapters are ordered properly press the Esc key to exit this menu Boot Order Port Iq Status NvRAM Num Level Current Next Boot Found 1 SYM53C860 FCOO 9 On On Yes 2 SYM53C820 0 0 Off Off 3 SYM53C825 FDOO 9 On On Yes 4 SYM53C815 FEO0 10 On No Change Adapter Status Allows you to activate or deactivate a host adapter and all SCSI devices attached to it The change takes place after a reboot which is automatic upon exit from the utility when this option is changed Display Mode Determines how much information about your host adapters and SCSI devices is displayed on your computer monitor during boot e verbose for more complete information e terse for a faster boot Mono Color Allows you to choose between a black and white or color display for the SCSI Configuration utility Help Brings up a help screen with information about the Main menu P6L40 A4 X User s Manual 41 BUILT IN SYMBIOS SCSI BIOS Quit Exits the SCSI Configuration utility Adapter Utilities Menu When you select a host adapter from the main menu the following screen is displayed 1 SYM53C860 Utilities A Adapter Setup D Device
52. pear e When CPU hangs Chassis Open Detector JP20 a 8 1 This connector is used to monitor if the chassis has been JP20 M opened A specific chassis supporting this feature is Eg required Hook the lead that comes with the chassis to this 5 connector 5 Hi IDE Activity LED JP2 1 Hook the IDE LED lead to this connector with the RED JP2 ria lead corresponding to Pin 1 Power Supply Connector This mainboard features an ATX style Power Supply Connector This connector is keyed to prevent connection in the wrong direction Line up the locking mechanism on the connector from the Power Supply with the tab on the mainboard connector Press down until the two connectors are locked o 2 gt ojok y g 5VSB Plo o SSS PowerGood k aa P 2 ot GND P o o lt ll EU Lp o PW ON o 4 GND gt 12 3 3V 4 3 3V 14 P6L40 A4 X User s Manual INSTALLATION System Function Connector Block J11 1 2 ELT TH LL Turbo E Keyboard LED n Lock E SE Green Switch
53. perating system supports Plug amp Play such as Windows 95 Resources Controlled By The Award Plug and Play BIOS has the capacity to automatically configure all of the boot and Plug and Play compatible devices This capability is specifically designed for a Plug and Play operating system such as Windows 95 Choices are Auto and Manual default P6L40 A4 X User s Manual 33 MAINBOARD BIOS SETUP Reset Configuration Data Reset Configuration Data When set to Enabled ESCD Extended System Configuration Data is cleared This setting will automatically be set back to Disabled when the system reboots Enabled and Disabled default IRQ3 4 5 7 9 10 11 12 14 15 DMA0 1 3 5 6 7 assigned to By default all resources are assigned to the PCI Bus except IRQs 3 and 4 If an ISA card requires a particular IRQ or DMA channel those resources should be set to Legacy ISA so that the PCI Bus will not try to use them Choices are Legacy ISA and PCI ISA PnP PCI IDE 2nd Channel This item enables or disables default the secondary channel of the add on PCI IDE controller PCI IDE IRQ Map To Configures what type of IDE disk controller is in use By default Setup assumes that you are using the on board PCI IDE Controller and this option is set to PCI AUTO If you have equipped your system with an add on PCI controller changing this setting allows you to specify which slot has the controller and which PCI interrupt A B C or D is associate
54. ptions are 1 7 and 1 9 default IEEE 1284 compliant 36 P6L40 A4 X User s Manual MAINBOARD BIOS SETUP Supervisor Password and User Password Setting Passwords can be set to provide protection for the BIOS configuration options or to restrict access to the computer itself When enabled User Password will require all users to enter a password in order to use the system and or enter the BIOS setup but can t change its contents A Supervisor Password is used to protect the stored CMOS options from being changed by unauthorized users Keep in mind that when set a password is required only when booting the system It will not provide protection to a system that is already booted The password check option is set in BIOS FEATURES SETUP by choosing either System the password prompt appears every time the system is powered on or Setup the password prompt appears only when the user enters the BIOS Setup The password is stored in CMOS RAM and can be cleared by removing the battery for a while and then re installing it back To set a password 1 You must first set the Supervisor password by choosing Supervisor Password and pressing ENTER Setup prompts for a password 2 Enter a 1 8 character password using letters numbers or a combination of both The specific characters are not shown as you enter them Press ENTER 3 A confirmation box appears asking you to re enter the password Enter the password again Press EN
55. rts Intel Pentium II processors The ATX form factor design allows for more efficient system assembly with built in mouse serial and parallel port connectors This eliminates the need for separate ribbon cable connector brackets and speeds the manufacturing process The P6L40 A4 X is designed to provide greater overall system throughput by utilizing the latest in I O technology By incorporating such advanced features as Bus Mastering IDE and Universal Serial Bus USB onto the mainboard optimum system performance is assured and system design and implementation is simplified Fully Plug amp Play compatible via an Award BIOS the P6L40 A4 X facilitates easy system configuration and peripheral setup Advanced BIOS features include Intelligent Hardware Monitoring and Alert functions with LM78 for P6L40 A4X only The Award BIOS also supports ACPI readiness and is compatible with PC97 specification With support for up to 512MB of System RAM Type auto detected by mainboard BIOS 3 3V SDRAM and 3 3V EDO the P6L40 A4 X is the ideal foundation for high end computer systems Item Checklist Your mainboard package should include the items listed below Damaged or missing items should be reported to your vendor M The P6L40 A4 X mainboard M This User s Manual Floppy disk ribbon cable CPU Retention Kit b Rack with nuts 1 IDE ribbon cable Washer with screws x2 El For P6L40 A4X CD ROM containing Intel LDCM an
56. s Manual INSTALLATION Connections Chassis Fan Connector Cooling Fans J7 amp JP18 J7 and JP18 are small 3 pin Header Connector that Dv provides 12 Volt power for CPU and chassis Cooling ipe Fans Plug in the fan cable to the connector Pin 2 corresponds to RED power lead as shown GND GND I RE B CPU Fan Connector CPU Thermal Sensor JP10 For P6L40 A4X only For the CPU Temperature Monitoring function to work properly you must use the optional CPU Cooling Fan provided by the manufacturer Hook the Thermal Sensor lead attached on the Fan to this connector regardless of the polarity P6L40 A4 X User s Manual 13 INSTALLATION Soft Power Switch JP9 Connects to the Power Switch featured on ATX case designs This d switch must be hooked up before the system can be powered on n RR unlike traditional Baby AT designs where the power switch is located on the Power Supply itself o Note Under the following two conditions have to press and hold the switch for longer than 4 seconds to power off your system regardless of the BIOS setting Refer to page 31 7 e Shortly after the system is powered on when the BIOS message is not yet ap
57. s would be represented by LBA Mode as 525 Cylinders 64 Heads and 63 Sectors Notice that the Cylinders have been divided and the Heads have been multiplied by a factor of 4 On hard drives smaller in capacity than 528MB LBA support is not needed The option on these devices is ignored even if enabled For hard drives greater than 528MB LBA mode should be enabled The following rules apply e Operating Systems that do not use the FAT file system do not need LBA Mode and can use the Normal or Large Modes Examples would be Netware and Unix e When configuring a new hard drive greater than 528MB in capacity always make sure LBA mode is enabled P6L40 A4 X User s Manual MAINBOARD BIOS SETUP e Ifyou are using a hard drive that is over 528MB in capacity but was already formatted without using LBA mode LBA support will be ignored even if it is enabled This assures correct access to the drive s data e SCSI Hard Drives are NOT entered into the Mainboard BIOS Setup in any way The hard drive settings in the Standard CMOS Setup are only for drives connected to the IDE Controller So if only SCSI drives were installed all these settings would be set to Type None SCSI Devices are configured via the SCSI controller s BIOS Floppy Drives A and B Select the Type for the A and or B floppy drives Remember floppy drive A is the first drive hooked to the END of the floppy ribbon cable Floppy drive B is hooked up after the
58. sabled D4000 D7FFF Shadow Disabled Floppy Disk Access Control R W D8000 DBFFF Shadow Disabled Boot Up NumLock Status On DC000 DFFFF Shadow Disabled Boot Up System Speed High Gate A20 Option Fast Auto Disable Unused Clock Disabled Typematic Rate Setting Disabled Typematic Rate Chars Sec 6 Quit T 1 gt Select Item Typematic Delay Msec 250 PU PD Modify Security Option System Old Values Shift F2 Color PCI Palette Snoop Disabled Load BIOS Defaults Assign IRQ For VGA Disabled Load Setup Defaults Virus Warning When enabled the BIOS will warn the user when any program attempts to write to or format the boot sector If an attempt is made the BIOS will halt the WARNING g Disk boot sector is to be modified system and the following error message will appear Type Y to accept write or N to abort write Award Software Inc You can accept or abort this operation Note This feature is designed to guard against viruses that modify the boot sector on hard disks However many disk diagnostic programs which attempt to access the boot sector table as well as partition and format programs will also trigger this warning If you will be P6L40 A4 X User s Manual 23 MAINBOARD BIOS SETUP running such a program you can disable Virus Protection first or choose Y to accept the boot sector modification when this message shows up CPU Int
59. t to NONE set this option to No to release IRQ6 for passing Win95 logo This option is irrelevant under normal operation Video BIOS Shadow This option controls the location of the contents of the 32KB of Video ROM beginning at the CO000h memory location The settings are Enabled The contents of C0000h C7FFFh are written to the same address in system memory RAM for faster execution Disabled The video ROM is not copied to RAM The contents of the video ROM cannot be read from or written to cache memory C8000 DFFFF Shadow These options control the location of the contents of the 16KB expansion card ROMs beginning at the specified memory location If no adapter ROM is using the named ROM area this area is made available to the local bus Shadowing a ROM reduces the memory available between 640KB and 1024KB by the amount used for this purpose The settings are Enabled or Disabled Chipset Features Setup This setup menu contains advanced configuration options relating to the mainboard chipset These options are rarely changed by the user The menu shown below is for P6L40 A4X The one for P6LA0 A4 is different Auto Configuration DRAM Speed Selection MA Wait State EDO To CAS Delay EDO RAS Precharge Time EDO DRAM Read Burst EDO DRAM Write Burst DRAM ECC PARITY Select CPU To PCI IDE Posting DRAM Read Around Write Burst Write Combining PCI To DRAM Pipeline System BIOS Cacheable Video BIOS Cacheable Video RAM
60. twist Available settings are listed below No floppy drive installed 360K 5 25 in 5 1 4 inch PC type standard drive 360 kilobyte capacity 1 2M 5 25 in 5 1 4 inch AT type high density drive 1 2 megabyte capacity 720K 3 5 in 3 1 2 inch double sided drive 720 kilobyte capacity 1 44M 3 5 in 3 1 2 inch double sided drive 1 44 megabyte capacity 2 88M 3 5 in 3 1 2 inch double sided drive 2 88 megabyte capacity Floppy 3 Mode Support Enable this option ONLY for floppy drive s that support the Japanese standard 1 2MB on 3 5 Diskette Options Disabled Default Both Drive A B Video This category selects the type of video adapter used for the primary system monitor Although secondary monitors are supported you do not have to select their type in Setup EGA VGA Enhanced Graphics Adapter Video Graphics Array For EGA VGA SEGA SVGA or PGA monitor adapters CGA 40 Color Graphics Adapter power up in 40 column mode CGA 80 Color Graphics Adapter power up in 80 column mode MONO Monochrome adapter includes high resolution monochrome adapters Halt On Determines whether or not the system will prompt you if an error is detected during POST No Errors The system boot will not be stopped for any error that may be detected and you will be prompted But Keyboard other errors All But Diskette The system boot will not stop for a disk error it will stop for all other errors All But Disk Key The system boot will n
61. ult the dealer or an experienced radio television technician for additional suggestions The FCC requires the user to be notified that any change or modifications to the equipment by the user not expressly approved by the grantee or manufacturer could void the user s authority to operate such equipment The use of shielded cables for connection of the monitor to the graphics card is required to assure compliance with FCC regulations EE 2 P6L40 A4 X User s Manual Table of Contents INTRODUCTION pe EE 5 Product Description niu riduce pi be ba 5 Item Checklists e e ieee oa eee 5 Features 8S pecitications 4 55 iets hich gen pe a bead sae 6 Board Level F at re 7 Comprehensive Mainboard View sees 9 INSTALLATION M 10 Installs the C PU iui ene eH p 10 Setting the Jumpers esisi inae bete ge pete tee ees 12 Connections cie e eroe o o e err doi Ree ees beo E Res Ee 13 Installing the Memory DIMM sess 17 MAINBOARD BIOS nnne nennen 18 About the BIOS epe e eerte rem Ote eme ee LO 18 etti uite RI SEs 19 Standard CMOS Setup iced eee He tede Erden tene anes 20 BIOS Features Setu p 2 iei e Ere ette voee tease LIRE ET eoe a eee eene d des 23 Chipset Features Setup cete eet estes ene ettet edet perte 26 Power Manage
62. would always boot from the C drive first In this case this setting would need to be changed to A so that the system would first check the floppy drive for a bootable disk This would slow bootup speed however since the floppy would be checked on every boot System will first search for boot sector on floppy disk then hard disk System will first search hard disk drive then floppy disk drive for boot sector C CDROM A System will first search for boot sector on hard disk drive then CDROM drive and then floppy disk drive CDROM C A System will first search the CDROM drive then hard disk drive and then floppy disk drive for boot sector System will search for boot sector on hard disk drive only LS ZIP C System will first search for boot sector on LS 120 IDE floppy drive or ZIP ATAPI drive then hard disk Swap Floppy Drive The hardware connections determine which floppy is configured as drive A and drive B Swapping the floppy drives can be useful if your system has two floppy drives and you want the ability to boot from both For example Since a PC cannot boot from the B Floppy you would need to Swap floppy drives A and B in order to set the second floppy drive to drive A thereby making it bootable Boot Up Floppy Seek When enabled BIOS will attempt to move the head of the floppy disk drive forth and back once during POST to see if the drive is working properly 24 P6L40 A4 X User s Manual
63. y PCI IDE Enables or Disables the primary controller Situations where this controller would be disabled are a You are not using any IDE Drives or b You are using an add on IDE controller in a PCI Slot On Chip Secondary PCI IDE Enables or Disables the secondary controller Situations where this controller would be disabled are a You are not using any IDE Drives or b You are using IDE Drives ONLY on the primary controller or c You are using an add on IDE controller in a PCI Slot DE PIO Mode IDE Programmed I O Mode This setting relates to the speed at which the hard drive is able to transfer data up to 16 6MB second for Mode 4 drives Available settings are Auto 0 1 2 3 or 4 As with the Type setting Auto is the preferred choice P6L40 A4 X User s Manual 35 MAINBOARD BIOS SETUP in that the supported PIO Mode is read directly from the PIO Mode Timing hard drive Be sure not to use a PIO Mode higher than PIO Mode Timing what the drive actually supports This could result in loss of data IDE UMDA Ultra DMA Mode The chipset used for this mainboard improves the IDE performance by implementing UltraDMA 33 Bus Mastering IDE which can handle data transfer up to 33 Mbyte sec This UDMA technology is downward compatible with existing ATA 2 IDE So there is no upgrade required for current hard drives and cabling Auto is default USB Keyboard Support This item allows you to enable or disable the USB k

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