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52

007-4330-002

4: Resources

1.

Start or restart the system and run the BIOS Setup program.

2. Go to the Advanced Screen and select the PCI Configuration parameter.

3. Select and reserve the appropriate IRQ.

4. Save the changes and exit from BIOS Setup.

The system has a limited number of available IRQs. To install more ISA peripheral
devices than you have available IRQs, you must disable one unused system port for each
excess ISA device, unless the device does not require an IRQ.

Some older PCI device driver software cannot share an interrupt, which is a violation of
the current PCI specification. If you install a device that uses such driver software, you
must free an IRQ for the device to work in the system.

PCI-to-ISA Interrupt Map

PCI peripheral devices installed in the system require one or more PCI interrupt requests
(PIRQ). Four interrupt lines—INTA, INTB, INTC, and INTD—are available for PCI
interrupt requests.

Table 4-2

PCI-to-ISA Interrupt Map

Device

PCI Bus/Device

CF8h Value

INTA

INTB

INTC

INTD

SCSI A

Bus 0, Dev 1, Func 0

800008xx

PIRQ13

SCSI B

Bus 0, Dev 1, Func 1

800009xx

PIRQ12

Audio

Bus 0, Dev 2, Func 0

800010xx

PIRQ14

PCI socket 1

Bus 0, Dev 3

800018xx

PIRQ00

PIRQ01

PIRQ02

PIRQ03

PCI socket 2

Bus 0, Dev 4

800020xx

PIRQ02

PIRQ03

PIRQ00

PIRQ01

PCI socket 3

Bus 0, Dev 5

800028xx

PIRQ04

PIRQ05

PIRQ13

PIRQ12

PCI socket 6

Bus 0, Dev 6

800030xx

PIRQ06

PIRQ07

PIRQ04

PIRQ05

Ethernet

Bus 0, Dev 7, Func 0

800038xx

PIRQ07

AGP socket

Bus 1, Dev 1

800100xx

PIRQ01

PIRQ03

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Содержание Zx10

Страница 1: ...Silicon Graphics Zx10 System Board Guide Document Number 007 4330 001 ...

Страница 2: ...ered trademarks of Intel Corporation ServerSet is a trademark of ServerWorks Corporation Microsoft is a registered trademark of Microsoft Corporation Other brands and product names are trademarks of their respective owners FCC DOC Compliance This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed...

Страница 3: ...is to protect against electrostatic discharge Notes Changes or modifications made to the system that are not approved by the party responsible for compliance could void the user s authority to operate the equipment Procedures in this document assume familiarity with the general terminology associated with personal computers and with the safety practices and regulatory compliance required for using...

Страница 4: ......

Страница 5: ...007 4330 002 v Record of Revision Version Description 002 September 2000 Initial Rev ...

Страница 6: ......

Страница 7: ...k Diagram 4 2 Components 7 Processors 7 Memory Modules 10 Expansion Sockets 14 Power and Data Connectors 15 Fan Connectors 17 ATAPI Connectors 20 Jumper Connectors 22 I O Port Connectors 25 Keyboard Mouse 25 Parallel 27 Serial 28 Universal Serial Bus 29 Ethernet Network 30 External Wide Ultra2 SCSI LVDS 31 Audio Line Out Line In Microphone 33 MIDI Game 34 ...

Страница 8: ... Overview 43 Using BIOS Setup 43 BIOS Setup Screens 44 Main Screen 45 Advanced Screen 46 Security Screen 46 Misc Screen 48 Boot Screen 48 Exit Screen 49 Using CMOS Reset 49 Updating the System BIOS 50 4 Resources 51 ISA Interrupt Requests IRQs 51 PCI to ISA Interrupt Map 52 Direct Memory Access DMA Channels 53 Input Output I O Map 53 Memory Map 56 5 Messages 57 POST Tasks and Beep Codes 57 Error M...

Страница 9: ...Fan4 Connector 17 Figure 2 10 Fan3 Connector 18 Figure 2 11 Fan1 and Fan Connectors 19 Figure 2 12 ATAPI Connectors 21 Figure 2 13 Jumper Connectors 23 Figure 2 14 JP3 Spread Spectrum Control 24 Figure 2 15 Input Output I O Port Connectors 25 Figure 2 16 Keyboard or Mouse Ports 26 Figure 2 17 Parallel Port 27 Figure 2 18 Serial Port 28 Figure 2 19 Universal Serial Bus USB Port 29 Figure 2 20 Ethen...

Страница 10: ......

Страница 11: ...S Port 31 Table 2 10 Audio Line Out Line In and Microphone Ports 33 Table 2 11 MIDI Game Port 34 Table 2 12 Base Unit Power LED 38 Table 2 13 System Board Power Status LED 38 Table 3 1 Main Screen Parameters 45 Table 3 2 Advanced Screen Parameters 46 Table 3 3 Security Screen Parameters 47 Table 3 4 Misc Screen Parameters 48 Table 3 5 Exit Screen Parameters 49 Table 4 1 ISA Interrupt Requests 51 T...

Страница 12: ......

Страница 13: ...ystem board resources Chapter 5 Messages lists and describes messages produced by the system board Getting Documents To obtain SGI documents go to the SGI Technical Publications Library pages on the World Wide Web at http techpubs sgi com Reader Comments If you have comments about the technical accuracy content or organization of this document please tell us Be sure to include the title and docume...

Страница 14: ... customer service representative and ask that an incident be filed in the SGI incident tracking system Send mail to the following address Technical Publications SGI 1600 Amphitheatre Parkway M S 535 Mountain View California 94043 1351 Send a fax to the attention of Technical Publications at 1 650 932 0801 We value your comments and will respond to them promptly ...

Страница 15: ...ators 133 MHz 64 bit front side bus FSB System Chipset ServerWorks ServerSet III WS Streaming Multiport Controllers 266 MHz 32 bit fast I O interface AGP controller one AGP Pro expansion socket USB controller four Universal Serial Bus USB ports two external one internal one for the AGP controller EIDE controller two Peripheral Component Interconnect PCI bus mastering EIDE channels I O Controller S...

Страница 16: ...es at their assigned transfer rates Network Controller Intel 82559 100 Mbit sec and 10 Mbit sec Ethernet network interface Wake on Modem support Wake on LAN support Audio Controller Creative Labs ES1373 AudioPCI Audio Codec 97 AC97 Advanced Technology Attachment Packet Interface ATAPI CD ROM audio header modem audio header and video header Expansion Sockets One full length AGP Pro socket Two full ...

Страница 17: ...rnal CD IN VIDEO IN MONO IN MPEG IN BIOS Phoenix BIOS Supports Advanced Configuration and Power Interface ACPI Supports Desktop Management Interface DMI Supports PC99 Supports S0 S1 S3 and S5 system states Auto configuration of IDE hard disk types Form Factor Extended ATX 12 in x 13 in Two 20 pin ATX power connectors Stacked input output ports Voltage and Power ATX power supply connectors 12V vari...

Страница 18: ...monitoring and control functions Chassis intrusion alert header Temperature and voltage monitoring Wake on Modem header Wake on LAN header Regulatory Compliance FCC Class B Declaration of Conformity European Community CE Declaration of Conformity Underwriter s Laboratories Table 1 1 continued Main Features and Components Main Features Components ...

Страница 19: ...Block Diagram 007 4330 002 5 Figure 1 1 133MHz FSB Block Diagram ...

Страница 20: ...components More detailed information on system board components is found in Chapter 2 Components Figure 1 2 Major Components of the System Board Power and data connectors Memory module sockets I O ports Expansion sockets CMOS Clock battery Processor socket Processor socket ...

Страница 21: ...r cord from its AC power outlet Warning System board components may be at high temperatures Allow time for them to cool before handling them Warning System board components can be damaged by static electricity Use an antistatic wrist strap connected to the bare metal of the system s chassis to protect against electrostatic discharge Processors The system board contains two Intel SC242 Slot 1 proce...

Страница 22: ...r socket accepts an Intel Pentium III processor 133 MHz front side bus The processor is secured to its socket by retention clips on both sides The retention clips are secured by nuts to screws attached to the system board Primary processor socket Secondary processor socket ...

Страница 23: ... function with one or two processors installed For a single processor system a processor bus terminator card must be installed in the unused processor socket For a dual processor system both processors must be the same speed Processor retention clip one each side Processor ...

Страница 24: ...ard includes sockets for up to six PC133 dual inline memory modules DIMMs The memory speed matches the system board s front side bus speed Memory module sockets are organized into four banks Bank 0 through Bank 3 of two sockets each that use two way memory interleaving Processor bus terminator card ...

Страница 25: ...Memory Modules 007 4330 002 11 Figure 2 4 Memory ModuleSockets and Banks Bank 3 Bank 2 Bank 1 Bank 0 Bank 3 Bank 2 Bank 1 Bank 0 ...

Страница 26: ...he DIMM and secure it in the socket Figure 2 5 Dual Inline Memory Module DIMM Insertion DIMM terminator modules similar to the one shown in the following figure are installed in Bank 1 instead of standard DIMMs Figure 2 6 DIMM Terminator Module To avoid damaging a DIMM and voiding its warranty take the following precautions Do not remove the DIMM from its antistatic package until you are ready to ...

Страница 27: ...Ms in both sockets of a bank Do not install only one DIMM in a bank Install the same size DIMM in both sockets of a bank You can vary DIMM sizes from bank to bank but not within a bank A system board can have up to 6 144 MB of system memory in increments of 256 MB 512 MB and 1 024 MB The following are common configurations Table 2 1 Memory Configurations Memory Bank 3 Bank 2 Bank 0 256 MB 2 x 128 ...

Страница 28: ...et 64 bits 33 MHz 5 V One full length Industry Standard Architecture ISA socket 16 bits When installing expansion cards note the following All PCI sockets support Universal adapters An expansion card can be installed in either socket 7 wide PCI or ISA but not in both 2 x 512 MB 2 x 1 024 MB 4 096 MB 2 x 512 MB 2 x 512 MB 2 x 1 024 MB 2 x 1 024 MB 2 x 1 024 MB 5 120 MB 2 x 1 024 MB 2 x 512 MB 6 144...

Страница 29: ...rd contains two 20 pin ATX power connectors These connectors accept power cables P1 and P2 from the system s power supply The connectors are keyed for proper connection Socket 1 AGP Socket 2 PCI wide Socket 3 PCI wide Socket 4 PCI wide Socket 5 PCI fast wide Socket 6 PCI fast wide Socket 7 PCI wide Socket 7 ISA ...

Страница 30: ...ipheral devices The connectors are keyed for proper connection Warning For continued protection against fire and energy hazards do not connect an external SCSI port to SCSI Channel B Connect an external SCSI port only to SCSI Channel A Figure 2 8 Power and Data Connectors SCSI channel A SCSI channel B Primary EIDE bus Secondary EIDE bus Floppy disk drive P2 power P1 power ...

Страница 31: ...lowing figure The connectors are keyed for proper connection The rear fan in a tower chassis connects to the FAN4 connector to the left of and between the processor sockets The rear fan in a rack mount chassis connects to the FAN3 connector below and to the right of the lower processor socket Figure 2 9 Fan4 Connector FAN4 Connector ...

Страница 32: ...18 007 4330 002 2 Components Figure 2 10 Fan3 Connector Fans in the front of the chassis connect to one of the 3 pin FAN1 or FAN2 connectors in the lower right corner of the system board FAN3 Connector ...

Страница 33: ...Fan Connectors 007 4330 002 19 Figure 2 11 Fan1 and Fan Connectors FAN1 Connector FAN2 Connector ...

Страница 34: ...e Pin 1 CD In Left Pins 2 and 3 Ground Pin 4 CD In Right VIDEO IN Connects to the audio cable from an internal device such as a TV tuner expansion card Pin 1 Left Line In Pins 2 and 3 Ground Pin 4 Right Line In MONO IN Connects to the mono audio signal cable from a modem or other telephony device Pin 1 Audio Out Pins 2 and 3 Ground Pin 4 Audio In MPEG IN Connects to the cable carrying the decoded ...

Страница 35: ...ATAPI Connectors 007 4330 002 21 Figure 2 12 ATAPI Connectors CD IN Connector VIDEO IN Connector MONO IN Connector MPEG IN Connector ...

Страница 36: ...assis intruder alert switch J24 Connects to power switch power LED and disk drive LED Cable connects to top eight pins J29 Causes CMOS reset Instructs basic input output system BIOS to use factory settings clears BIOS Setup password and forces BIOS Setup at each system boot See Chapter 3 BIOS Setup for instructions to use CMOS reset JP3 Spread spectrum control If factory installed do not remove Se...

Страница 37: ...Jumper Connectors 007 4330 002 23 Figure 2 13 Jumper Connectors J24 power switch LEDS J22 chassis intruder alert switch J29 CMOS reset ...

Страница 38: ...24 007 4330 002 2 Components Figure 2 14 JP3 Spread Spectrum Control JP3 Spread spectrum control ...

Страница 39: ...t I O Port Connectors Keyboard Mouse Keyboard and mouse ports are PS 2 style 6 pin male min DIN connectors The functionality of the two ports is not interchangeable The keyboard is powered by standby power The keyboard port color is purple the mouse port color is green MIDI game Parallel LPT Ethernet Mouse Keyboard USB Serial COM1 Audio line out Audio line in Microphone Serial COM2 ...

Страница 40: ...26 007 4330 002 2 Components Figure 2 16 Keyboard or Mouse Ports Table 2 4 Keyboard Mouse Ports Pin Signal 1 KDATA keyboard MDATA mouse 2 Spare 3 Ground 4 VCC 5 KCLK 6 Spare 2 4 6 1 3 5 ...

Страница 41: ...lor is burgundy Figure 2 17 Parallel Port Table 2 5 Parallel Port Pin Signal Pin Signal 1 Strobe 10 Acknowledge ACK 2 Data 0 11 Busy 3 Data 1 12 Paper Empty PE 4 Data 2 13 Select 5 Data 3 14 Auto Feed Auto FDXT 6 Data 4 15 Error 7 Data 5 16 Start Init 8 Data 6 17 Select SLCTIN 9 Data 7 18 25 Ground 1 13 25 14 ...

Страница 42: ...ors The port color is teal Figure 2 18 Serial Port Table 2 6 Serial Port Pin Signal Pin Signal 1 Data Carrier Detect DCD 6 Data Set Ready DSR 2 Receive Data RD 7 Request to Send RTS 3 Transmit Data TD 8 Clear to Send CTS 4 Data Terminal Ready DTR 9 Ring Indicator RI 5 Ground 1 5 9 6 ...

Страница 43: ...sal Serial Bus Universal Serial Bus USB ports are 8 pin female USB connectors Figure 2 19 Universal Serial Bus USB Port Table 2 7 Universal Serial Bus USB Port Pin Signal Pin Signal A1 Power B1 Power A2 B2 A3 B3 A4 Ground B4 Ground B A 1 4 1 4 ...

Страница 44: ...rk The Ethernet Network port is an 8 pin RJ45 connector Figure 2 20 Ethenet Network Port Table 2 8 Ethernet Network Port Pin Signal Pin Signal 1 Transmit TD 5 Reserved 2 Transmit TD 6 Receive RD 3 Receive RD 7 Reserved 4 Reserved 8 Reserved 1 8 ...

Страница 45: ...le SCSI connector Pins not listed are connected to ground Figure 2 21 External Wide Ultra2 SCSI LVDS Port Table 2 9 External Wide Ultra2 SCSI LVDS Port Pin Signal Pin Signal 17 TERMPWR 50 Ground 18 TERMPWR 52 TERMPWR 35 SD 12 53 No connection 36 SD 13 54 Ground 37 SD 14 55 SATII 38 SD 15 56 Ground 39 SDP1 57 SBSY 34 1 35 68 ...

Страница 46: ...SD 0 58 SACK 41 SD 1 59 SRSI 42 SD 2 60 SMSG 43 SD 3 61 SSEL 44 SD 4 62 SCD 45 SD 5 63 SREQ 46 SD 6 64 SIO 47 SD 7 65 SD 8 48 SDP0 66 SD 9 49 Ground 67 SD 10 51 TERMPWR 68 SD 11 Table 2 9 continued External Wide Ultra2 SCSI LVDS Port ...

Страница 47: ...ale phone jacks The Audio Line Out port color is lime the Audio Line In port color is light blue and the Microphone port color is pink Figure 2 22 Audio Line Out Line In and Microphone Ports Table 2 10 Audio Line Out Line In and Microphone Ports Pin Signal Shield Ground Tip Left line Mic microphone Ring Right line Bias microphone Ring Shield Tip ...

Страница 48: ...color is gold Figure 2 23 MIDI Game Port Table 2 11 MIDI Game Port Pin Signal Pin Signal 1 5 V 9 5 V 2 Fire button 0 10 Fire button 2 3 X axis joystick 1 11 X axis joystick 2 4 Ground 12 MIDI out 5 Ground 13 Y axis joystick 2 6 Y axis joystick 1 14 Fire button 3 7 Fire button 1 15 MIDI in 8 5 V 1 8 9 15 ...

Страница 49: ...rgy hazards do not connect an external SCSI port to SCSI Channel B Connect an external SCSI port only to SCSI Channel A Controller features include Low Voltage Differential LVD bus 2 16 bit 80 MHz channels 160 MB sec transfer rate per channel for Ultra3 devices Ultra2 and Ultra3 devices connected to the controller operate at their respective transfer rates PCI bus interface Advanced Configuration ...

Страница 50: ...input output I O panel Controller features include IEEE 802 3 10BASE T and 100BASE TX compatibility Full duplex support at both speeds 3 Kb Transmit and Receive FIFO IEEE 802 3x 100BASE TX flow control support PCI bus interface RJ45 Ethernet port Audio Controller The system board includes a Creative Technologies ES1373 AudioPCI controller The controller provides support for the Advanced Configurat...

Страница 51: ... remote system wakeup When used with the hardware monitoring software on a system these features enable you to monitor Major system voltages including 1 5 V 2 5 V 3 3 V 3 3 V standby 5 V 5 V standby 5 V 12 V 12 V processor CPU cores and AGP input output I O Temperature of processor CPU cores and ambient temperature near the processors and in the chassis Presence and location of fans front Fan 1 an...

Страница 52: ...ber Auxiliary Auxiliary power is on power consumption is reduced Blinking Green Managed Power The system is in an ACPI compliant power conservation state managed by the operating system power consumption is reduced Steady Green Full Full power is on power conservation is per device Table 2 13 System Board Power Status LED LED Status Unlit Auxiliary power is off fans are not running Bright System f...

Страница 53: ... 2 24 System Board Power Status LED CMOS Clock Lithium Battery The CMOS clock lithium battery is located at the bottom of the system board next to the lowest expansion sockets The battery may be hidden under installed expansion cards Power Status LED ...

Страница 54: ...S parameter settings are lost After you install a new battery you must reset the date and time and reconfigure the BIOS parameter settings See Chapter 3 BIOS Setup for more information on configuring BIOS parameter settings Warning Turn off the system and disconnect it from AC power before changing the battery Damage to components can occur if the battery is shorted while AC power is applied To re...

Страница 55: ...ock Lithium Battery 007 4330 002 41 facing up Replace the battery only with the same or equivalent type as recommended by the manufacturer Dispose of used batteries according to the manufacturer s instructions ...

Страница 56: ......

Страница 57: ...hium battery provides power to CMOS RAM to retain the operating parameters Each time you power on the system the BIOS uses stored parameters to configure system operation The BIOS Setup program which is also stored in the flash EPROM on the system board allows you to manually change the system operating parameters You can also run the BIOS Setup program during the system s power on self test POST ...

Страница 58: ...OS Setup Go to the Exit screen and select the appropriate option See Exit Screen on page 49 for more information BIOS Setup Screens Each BIOS Setup screen has the following features A screen bar across the top gives you access to all of the BIOS Setup screens A navigation bar across the bottom tells you how to navigate BIOS Setup A parameter window on the left contains the parameters in the select...

Страница 59: ...ly configure device parameters select large disk access mode and control IDE bus master DMA By default the Type parameters for all devices are set to Auto to let the BIOS configure them Keyboard Features Controls keyboard operation A submenu lets you configure specific keyboard functions PS 2 Mouse Controls mouse operation Disabling this parameter prevents a PS 2 mouse from functioning and release...

Страница 60: ...onfiguration of installed Peripheral Component Interconnect PCI devices Submenus let you enable disable and configure the integrated controllers SCSI network Universal Serial Bus USB and audio Submenus let you enable or disable PCI bus mastering and change the configuration of each PCI socket Submenus let you configure operation of a system with installed Accelerated Graphics Port AGP Peripheral C...

Страница 61: ...lays the state of the user password Set Supervisor Password Sets the supervisor password Press Enter to display the entry dialog To disable a set password set the password to nothing press enter without typing a password Set User Password Sets the user password Press enter to display the entry dialog To disable a set password set the password to nothing press enter without typing a password Passwo...

Страница 62: ... Parameter Description Floppy Check Controls whether the floppy disk drive type is verified during system boot By default this parameter is Disabled Summary Screen Controls whether the system configuration is displayed during system boot By default this parameter is Disabled Boot time Diagnostic Screen Controls whether a diagnostic screen is displayed during system boot By default this parameter i...

Страница 63: ...rom AC power 2 Install a jumper on the CMOS reset connector J29 on the system board 3 Connect the system to AC power and start the system BIOS Setup runs automatically 4 Reconfigure the BIOS parameter settings as needed Table 3 5 Exit Screen Parameters Parameter Description Exit Saving Changes Saves the changes you have made exits the BIOS and restarts the system to make these changes take effect ...

Страница 64: ...a system software product named flashzx You can get the most recent version of flashzx from SGI s online services To update the system BIOS 1 Download the flashzx product to a directory on your system 2 Extract the BIOS file from the flashzx product to a bootable diskette 3 Ensure the system is set to boot from a diskette in the floppy disk drive 4 Restart the system with the boot diskette in the ...

Страница 65: ...nterrupt Map on page 52 in this chapter At least one IRQ must be unassigned for use with your system s PCI devices To reserve an IRQ for an installed peripheral device Table 4 1 ISA Interrupt Requests IRQ Assignment IRQ Assignment 0 Reserved timer counter 8 Reserved real time clock 1 Reserved keyboard controller 9 System Management Bus ACPI 2 Reserved interrupt controller 10 PCI 3 Serial ports COM...

Страница 66: ...driver software you must free an IRQ for the device to work in the system PCI to ISA Interrupt Map PCI peripheral devices installed in the system require one or more PCI interrupt requests PIRQ Four interrupt lines INTA INTB INTC and INTD are available for PCI interrupt requests Table 4 2 PCI to ISA Interrupt Map Device PCI Bus Device CF8h Value INTA INTB INTC INTD SCSI A Bus 0 Dev 1 Func 0 800008...

Страница 67: ...ata Width Assignment 0 8b or 16b Open 1 8b or 16b Second choice of ECP parallel port 2 8b or 16b Floppy disk controller 3 8b or 16b First choice of ECP parallel port Table 4 4 I O Map I O Address hex Assignment 0000 000F DMA controller 1 0020 0021 Interrupt controller 1 0040 0043 Timer counter 1 0048 004B Timer counter 2 0060 Keyboard controller 0061 NMI and speaker Table 4 2 continued PCI to ISA ...

Страница 68: ...0200 0207 Audio game port 0220 022F Audio Sound Blaster compatible 0240 024F Audio Sound Blaster compatible 0278 027F Parallel port LPT 2 02E8 02EF Serial port COM 4 02F8 02FF Serial port COM 2 0300 0301 MIDI 0330 0335 MIDI 0370 0375 Floppy disk drive channel 2 0376 Secondary IDE channel command 0377 write Floppy disk drive channel 2 command 0377 bit 7 read Floppy disk drive channel 2 disk change ...

Страница 69: ... write Floppy disk drive channel 1 command 03F7 bit 7 read Floppy disk drive channel 1 disk change status 03F7 bits 0 6 Primary IDE channel status 03F8 03FF Serial port COM 1 040B DMA ext write mode register 04D0 04D1 Edge level interrupt control register 04D6 DMA ext write mode register 0500 050F SMBus control registers 0510 055F ACPI registers 0C00 0C01 PCI to IRQ mapping registers 0C06 0C08 Sec...

Страница 70: ...cription 0 K 640 K 00000000 0009FFFF DOS conventional memory 640 K 768 K 000A0000 000BFFFF VGA memory and BIOS 768 K 896 K 000C0000 000DFFFF Expansion card BIOS and buffer 896 K 1024 K 000E0000 000FFFFF System BIOS 1024 K Top of memory 00100000 Top of memory Main memory 4 G 20 M 4 G 19 M FEC00000 FECFFFFF APIC configuration space 4 G 18 M 4 G 17 M FEE00000 FEEFFFFF APIC configuration space 4 G 4 M...

Страница 71: ...ailed and what POST task was being run If the BIOS detects a terminal error condition it issues a terminal error beep code attempts to display the error code on screen and stops POST If the system hangs before the BIOS can process the error the value displayed at I O port 80h is the last POST task run In this case the error code does not display on screen The following is a list of test point code...

Страница 72: ... Restore CPU control word during warm boot 13h Initialize PCI Bus Mastering devices 14h Initialize keyboard controller 16h 1 2 2 3 BIOS ROM checksum 17h Initialize cache before memory autosize 18h 8254 timer initialization 1Ah 8237 DMA controller initialization 1Ch Reset Programmable Interrupt Controller 20h 1 3 1 1 Test DRAM refresh 22h 1 3 1 3 Test 8742 Keyboard Controller 24h Set ES segment reg...

Страница 73: ... down 38h Shadow system BIOS ROM 3Ah 1 4 3 3 Autosize cache 3Ch Advanced configuration of chipset registers 3Dh Load alternate registers with CMOS values 42h Initialize interrupt vectors 45h POST device initialization 46h 2 1 2 3 Check ROM copyright notice 48h Check video configuration against CMOS 49h Initialize PCI bus and devices 4Ah Initialize all video adapters in system 4Bh QuietBoot start o...

Страница 74: ...cache registers 67h Initialize Multi Processor APIC 68h Enable external and CPU caches 69h Setup System Management Mode SMM area 6Ah Display external L2 cache size 6Bh Load custom defaults optional 6Ch Display shadow area message 6Eh Display possible high address for UMB recovery 70h Display error messages 72h Check for configuration errors 76h Check for keyboard errors 7Ch Set up hardware interru...

Страница 75: ...ialize Extended BIOS Data Area 8Bh Test and initialize PS 2 mouse 8Ch Initialize floppy controller 8Fh Determine number of ATA drives optional 90h Initialize hard disk controllers 91h Initialize local bus hard disk controllers 92h Jump to UserPatch2 93h Build MPTABLE for multiprocessor boards 95h Install CD ROM for boot 96h Clear huge ES segment register 97h Fixup Multi Processor table 98h 1 2 Sea...

Страница 76: ... Check for errors B2h POST done prepare to boot operating system B4h 1 One short beep before boot B5h Terminate QuietBoot optional B6h Check password optional B9h Prepare Boot BAh Initialize DMI parameters BBh Initialize PnP Option ROMs BCh Clear parity checkers BDh Display MultiBoot menu BEh Clear screen optional BFh Check virus and backup reminders C0h 4 1 1 1 Try to boot with INT 19 C1h Initial...

Страница 77: ...ion C4h Initialize system error handler C5h PnPnd dual CMOS optional C6h Initialize notebook docking optional C7h Initialize notebook docking late C8h Force check optional C9h Extended checksum optional D2h Unknown interrupt Table 5 2 Error Messages Message Description 02F8 Microcode update failed to load on CPU n Processor microcode update is not present or failed to load on the processor 02F9 Me...

Страница 78: ...ported in bank n Memory in bank n does not meet minimum requirements 02FE Memory types do not match in bank n Two different type memory modules in bank n 02FF Memory test failed total memory expected MB in hex nnn Extended memory test failed not all memory is being used by the system Table 5 2 continued Error Messages Message Description ...

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