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G486VPA

CPU  Installation

The G486VPA is equipped with a 237-pin Zero
Insertion Force (ZIF) socket at location U27 of the
system board. This socket is designed for the easy
removal of the old CPU and the easy insertion of the
upgrade CPU. If you need to apply excessive force to
insert the CPU, the installation is being done incorrectly.
Make sure the jumpers are set correctly before applying
power, or you may damage the CPU or system board.

U27

Location of the ZIF Socket on the G486VPA System Board

Pin 1

Installation Overview  

u  

2-27

Summary of Contents for G486VPA

Page 1: ...G486VP A Rev A SystemBoard User sManual D26450623...

Page 2: ...articular purpose The information in this document is subject to change without notice DFI Inc reserves the right to make revisions to this publication and to make changes to any and or all parts of i...

Page 3: ...ar installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct...

Page 4: ...S 2 Mouse Jumper Settings for Super I O Setting Jumper Settings for PCI Slots Cache Configuration Jumper Settings for Cache Memory CPU Installation Jumper Settings for CPU Jumpers JP8 JP12 JP17 JP20 J...

Page 5: ...uration Setup Load BIOS Defaults Load Setup Defaults Password Setting Supervisor Password User Password IDE HDD Auto Detection Save Exit Setup Exit Without Saving IDE Device Drivers Troubleshooting Ch...

Page 6: ...allows users to easily upgrade their CPUs It also supports a Flash EPROM for easy BIOS upgrades Flash EPROM is a memory chip for the storage of BIOS which can be erased in bulk or modified using a so...

Page 7: ...V 50 66 80 Chipset VIA VT82C496G system and cache controller VT82C505 VL PCI bridge VT82C406 peripheral chip PowerManagement Supports System Management Mode SMM and CPU stopped clock Hardware provides...

Page 8: ...o Mode 3 enhanced HDDs Secondary IDE connector provides an ISA IDE Interface to support an ATAPI Compliant CD ROM or a tape drive PS 2 mouse port CacheMemory 128K 256K 512K or 1MB Supports Level 1 and...

Page 9: ...ccompanying heatsink fan component the following are the slot limitations PCI ISA shared slot and PCI slot 2 will be limited to 2 3 length PCI cards ZIFSocket 237 pin ZIF socket Intel Socket 3 BoardDi...

Page 10: ...G486VPA user s manual One IDE driver diskette One 34 pin floppy disk drive cable Two 40 pin IDE hard disk cables One 25 pin printer port cable for chassis mounting One card edge bracket with serial a...

Page 11: ...and static electricity Excessive exposure to dust static electricity direct sunlight excessive humidity extreme cold and water can damage the operational capabilities of your system board Avoid placi...

Page 12: ...causing any signs of physical damage You must take extra care in handling the system board to ensure against electrostatic build up Tips in Handling the System Board 1 To prevent electrostatic build...

Page 13: ...nstallation Memory Installation The G486VPA system board can support 1MB to 128MB of memory using HSIM modules HSIM is an acronym for High Density Single In line Memory A SIM module consists of severa...

Page 14: ...M 16M 16M 17M 16M 1 M 18M 16M 1 M 19M 16M 1 M 20M 16M 4 M 21M 16M 4 M 22M 16M 4 M 24M 16M 4 M 25M 16M 4 M 28M 16M 4 M 32M 16M 16M 33M 16M 16M 34M 16M 16M 36M 16M 16M 40M 16M 16M 48M 16M 16M 49M 16M 1...

Page 15: ...nk1 65M 64M 1 M 68M 64M 4 M 69M 64M 4 M 72M 64M 4 M 80M 64M 16M 81M 64M 16M 84M 64M 16M 128M 64M 64M 128M 64M 2 M 2M D 3 M 2M D 4 M 2M D 4 M 2M D 6 M 2M D 7 M 2M D 10M 2M D 18M 2M D 19M 2M D 22M 2M D...

Page 16: ...SIMM is installed in Bank 2 or Bank 3 the other three banks cannot support 16MB modules 4 M 1 M 4 M 4 M 8M D 16M 16M 1 M 16M 4 M 32M D 64M MemorySize Bank0 Bank1 37M 32M D 40M 32M D 40M 32M D 48M 32M...

Page 17: ...of the SIMM socket Locations of the SIM Sockets on the System Board Note If you intend to install the amount of memory that can be supported by one piece of HSIM module you can install it in any of th...

Page 18: ...le must corre spond with Pin 1 of the socket 1 Position the HSIM module above the socket with the notch in the module aligned with the key on the socket 2 Seat the module at a 45o angle into the bank...

Page 19: ...VF BIOS ISA Slot 2 ISA Slot 3 ISA Slot 4 ISA Slot 5 ISA Slot 6 ISA Slot 7 ISA Slot 8 TAG Bank1 Bank0 J14 J13 J12 J11 J10 J9 J8 J7 JP40 JP36 JP34 JP33 JRN3 JRN2 JRN1 JP42 JP38 JP39 JP37 JP41 JP32 JP31...

Page 20: ...ttings Jumper Settings for Internal External Battery CMOS Clean Flash EPROM PS 2Mouse PCI4 PCI3 PCI2 PCI1 JP16 JP1 JP2 JP4 E P R O M Locations of Jumpers JP1 JP2 JP4 and JP16 ontheG486VPASystemBoard 2...

Page 21: ...upted the system can be reconfigured with the default values stored in the ROM BIOS To load the default values set JP2 pins 2 and 3 to On for approximately two minutes then return to the default posit...

Page 22: ...u connect the PS 2 mouse port to Connector CN3 PS 2MouseEnabled PS 2MouseDisabled JP16 Default setting 1 2On 2 3On 2 12 u Installation Overview 3 2 1 1 2On 12VFlash EPROM28F010 Default JumperJP4 EPROM...

Page 23: ...G486VPA InstallationOverview u 2 13 3 2 1 2 3On PS 2Mouse Disabled Default 3 2 1 1 2On PS 2Mouse Enabled...

Page 24: ...PCI ISASystemBoard Jumper Settings for Super I O Setting VIA VT82C406 JP15 LocationofJumperJP15ontheSystemBoard 2 14 u Installation Overview...

Page 25: ...using Normally DMA3 channel supports sound cards Set Jumper JP15 pins 1 3 and 2 4 to On unless this seting provides inadequate channel required by your system InstallationOverview u 2 15 Default sett...

Page 26: ...PCI ISASystemBoard Jumper Settings for PCI Slots PCI4 PCI3 PCI2 PCI1 VIA VT82C505 JP11 JP13 LocationsofJumpersJP11andJP13 ontheG486VPASystemBoard 2 16 u Installation Overview...

Page 27: ...MHz set Jumpers JP11 and JP13 pins 1 and 2 to On InstallationOverview u 2 17 CPUExternalClock Speed 33MHz CPUExternalClock Speed 33MHz Default setting 2 3On 1 2On JP13 2 3On 1 2On JP11 3 2 1 3 2 1 JP1...

Page 28: ...sockets are divided into two banks Regardless of the amount of cache memory installed one 8Kx8 32Kx8 64Kx8 or 128Kx8 is needed for tag RAM to store the cacheable addresses The locations of the SRAM so...

Page 29: ...x1 32Kx8x1 32Kx8x1 8Kx8x1 128Kx8x8 128Kx8x4 64Kx8x8 64Kx8x4 32Kx8x8 32Kx8x4 Default setting 64KX8or128Kx8 8KX8or32Kx8 SRAMSocket 128MB 128MB 128MB 64MB 64MB 32MB Cacheable Range Note When installing t...

Page 30: ...PCI ISASystemBoard JumperSettingforCacheMemory JP22 JP24 JP23 Locations of Jumpers JP22 JP23 JP24 JP37 JP38 and JP39 ontheG486VPASystemBoard 2 20 u InstallationOverview JP38 JP39 JP37 TAG...

Page 31: ...G486VPA 128KBCacheSRAM Bank1 Bank0 3 2 1 JP37 JP38 JP39 3 2 1 JP22 JP23 JP24 InstallationOverview u 2 21 32Kx8 32Kx8 32Kx8 32Kx8 8Kx8 TAG Note This refers to an empty SRAM socket...

Page 32: ...PCI ISASystemBoard 2 22 u InstallationOverview 256KBCacheSRAM Bank1 Bank0 3 2 1 JP37 JP38 JP39 3 2 1 JP22 JP23 JP24 64Kx8 64Kx8 64Kx8 64Kx8 32Kx8 TAG...

Page 33: ...G486VPA InstallationOverview u 2 23 256KBCacheSRAM Bank1 Bank0 3 2 1 JP37 JP38 JP39 3 2 1 JP22 JP23 JP24 32Kx8 32Kx8 32Kx8 32Kx8 32Kx8 TAG 32Kx8 32Kx8 32Kx8 32Kx8 Default setting...

Page 34: ...PCI ISASystemBoard 2 24 u InstallationOverview 512KBCacheSRAM Bank1 Bank0 3 2 1 JP37 JP38 JP39 3 2 1 JP22 JP23 JP24 32Kx8 TAG 128Kx8 128Kx8 128Kx8 128Kx8...

Page 35: ...G486VPA InstallationOverview u 2 25 512KBCacheSRAM Bank1 Bank0 3 2 1 JP37 JP38 JP39 3 2 1 JP22 JP23 JP24 32Kx8 TAG 64Kx8 64Kx8 64Kx8 64Kx8 64Kx8 64Kx8 64Kx8 64Kx8...

Page 36: ...PCI ISASystemBoard 2 26 u InstallationOverview 1MBCacheSRAM Bank1 Bank0 3 2 1 JP37 JP38 JP39 3 2 1 JP22 JP23 JP24 128Kx8 128Kx8 128Kx8 128Kx8 128Kx8 128Kx8 128Kx8 128Kx8 128Kx8 64Kx8 TAG...

Page 37: ...the easy removal of the old CPU and the easy insertion of the upgrade CPU If you need to apply excessive force to insert the CPU the installation is being done incorrectly Make sure the jumpers are se...

Page 38: ...PU JP41 JP26 JP31 JP33 JP35 JP36 JP19 JP32 JP34 JRN3 JRN1 JP14 JP18 JP21 LocationsofJumpersJP14 JP18 JP19 JP21 JP26 JP31 JP32 JP33 JP34 JP35 JP36 JP41 JP42 JRN1 JRN2and JRN3ontheG486VPASystemBoard 2 2...

Page 39: ...ers JP18 JP19 and JP21 are set cor rectly These jumpers are used to select the CPU exter nal clock speed The external CPU clock speed of the Intel 486SX CPU is equal to its internal clock speed Please...

Page 40: ...pers JP18 JP19 and JP21 are set cor rectly The external CPU clock speed of the Intel 486DX CPU is equal to its internal clock speed To get the external CPU clock speed of the Intel 486DX2 CPU divide i...

Page 41: ...ure Jumpers JP18 JP19 and JP21 are set cor rectly To get the external CPU clock speed of the Intel 486DX4 divide its internal clock speed by 3 Please refer to page 2 42 Jumpers JP31 JP32 and JP41 are...

Page 42: ...and 2 to On to support the write through mode for the Intel Write back 486 CPU Make sure Jumpers JP18 JP19 and JP21 are set cor rectly To get the external CPU clock speed of the Intel Write back 486...

Page 43: ...and JP21 are set cor rectly To get the external CPU clock speed of the Intel 486DX4 CPU divide its internal CPU clock speed by 3 Please refer to page 2 42 Jumpers JP31 JP32 and JP41 are used to selec...

Page 44: ...nd JP21 are set cor rectly To get the external CPU clock speed of the Pentium OverDrive Processor divide its internal CPU clock speed by 2 5 Please refer to page 2 42 Jumpers JP31 JP32 and JP41 are us...

Page 45: ...19 and JP21 are set cor rectly The external CPU clock speed of the Cyrix 486DX CPU is equal to its internal clock speed To get the external CPU clock speed of the Cyrix 486DX2 CPU divide its internal...

Page 46: ...al CPU clock speed of the ST486DX2 CPU divide its internal clock speed by 2 Please refer to page 2 42 Jumpers JP31 JP32 and JP41 are used to select the CPU voltage Make sure they are set correctly Ple...

Page 47: ...pers JP18 JP19 and JP21 are set cor rectly To get the external CPU clock speed of the AMD Am486DX2 NV8T divide its internal CPU clock speed by 2 Please refer to page 2 42 Jumpers JP31 JP32 and JP41 ar...

Page 48: ...Jumper JP42 is used to support Enhanced Am486DX2 CPUs Make sure Jumpers JP18 JP19 and JP21 are set cor rectly To get the external CPU clock speed of the Enhanced AMD Am486DX2 SV8B divide its internal...

Page 49: ...ew u 2 39 Note Make sure Jumpers JP18 JP19 and JP21 are set cor rectly To get the external CPU clock speed of the AMD Am486DX4 divide its internal CPU clock speed by 3 Please refer to page 2 42 Jumper...

Page 50: ...lationOverview Note Make sure Jumpers JP18 JP19 and JP21 are set cor rectly The external CPU clock speed of the UMC U5SD CPU is equal to its internal CPU clock speed Please refer to page 2 42 Jumpers...

Page 51: ...ew u 2 41 Note Make sure Jumpers JP18 JP19 and JP21 are set cor rectly The external CPU clock speed of the UMC U5S or U5SLV CPU is equal to its internal CPU clock speed Please refer to page 2 42 Jumpe...

Page 52: ...mpers should be set to match the CPU external clock speed PentiumODP Internal Clock Speed 25Mhz 25 50Mhz 63Mhz 83Mhz 33 66 100Mhz 33Mhz 40Mhz 40 80Mhz 50Mhz 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1...

Page 53: ...U5SLV SUPER25 U5SLV SUPER33 Cyrix Cx486DX2 V50GP AMD A80486DX4 100NV8T A80486DX2 80NV8T A80486DX2 66NV8T A80486DX4 100SV8B A80486DX4 75SV8B A80486DX2 80SV8B A80486DX2 66SV8B Am486DX2 66V8T Am486DX2 80...

Page 54: ...umpers below are for factory testing only and should always be set to their default configurations Reconfiguring these jumpers will cause problems with your system board JP8 Off JP12 JP17 1 2 On JP20...

Page 55: ...the four rows of pin holes on each side To avoid improper installation the ZIF socket is designed with a Plug Keying mechanism There are several holes in the socket that are plugged so the CPU will on...

Page 56: ...clearance above the OverDrive processor s fan heat sink must be at least 0 4 in The clearance on at least 3 of 4 sides of the processor must be at least 0 2 in The cables for floppy drive hard drive C...

Page 57: ...ot use screw drivers or other tools to open the socket or damage may occur to the system or socket It may be necessary to initially apply a small amount of sideways force to free the handle from its r...

Page 58: ...e socket Lower the chip until the pins are inserted properly in their corresponding holes Remember that no force is needed to install the CPU If the CPU will not easily insert please verify you have p...

Page 59: ...amage to the CPU and or system board may result FanExhaust The CPU must be kept cool by using a fan exhaust configuration in connection with the heatsink The temperature of the air entering the fan he...

Page 60: ...one FDD connector two IDE hard disk connectors and one PS 2 mouse port SM1 SM2 PC87332VF COM2 J 1 J 2 J 6 J 4 J 3 J 5 CN3 PrimaryIDE Connector SecondaryIDE Connector PS 2 Mouse Port Parallel Printer C...

Page 61: ...rial port cables are provided with the motherboard They are mounted on a card edge bracket along with the PS 2 mouse cable The upper serial port cable should be used for the COM1 primary serial port c...

Page 62: ...o a parallel printer This port is compatible with both IBM AT printer ports and the new high speed bi directional Extended Capabilities Port standard The parallel port on your system board can be set...

Page 63: ...otherboard to Connector J3 on the G486VPA system board Make sure the colored stripe on the ribbon cable aligns with pin 1 of Connector J3 Use a small nutdriver to mount the cable into a DB 25 cutout i...

Page 64: ...ves You can install any 360KB 720KB 1 2MB 1 44MB 2 88MB floppy disk drives ConnectingtheFloppyDiskCable TheFloppyDiskConnectoronthe G486VPASystemBoard Step1 Install the 34 pin header connector into th...

Page 65: ...G486VPA system board is equipped with one VL Bus IDE connector and one ISA IDE connector that will interface four IDE Integrated Drive Electronics hard disk drives An IDE drive is a hard drive with t...

Page 66: ...e primary disk con nector J6 If you are adding a third or fourth IDE device install the 40 pin connector of the other IDE cable into the secondary connector J4 Make sure the colored edge of the ribbon...

Page 67: ...nufacturers will not function properly when used together The problem lies in the hard drives not the G486VPA system board Preparing an IDE Drive for Use IDE disk drives are already low level formatte...

Page 68: ...rt cable which came in the G486VPA box to Connector CN3 Make sure the brown wire on the PS 2 mouse connector aligns with pin 1 of connector CN3 The other end of the wires are attached to the card edge...

Page 69: ...install devices in both slots Due to the size of the CPU and heatsink fan component card size is limited Refer to the Fea tures and Specifications section page 1 4 for limita tions The location of the...

Page 70: ...CI Master slots and support Master Cards PCI and PCI2 share the function of the third Master slot If you insert a Master Card into one of these slots PCI1 or PCI2 then the other slot can support Slave...

Page 71: ...ck your system unit Turn off the power and dis connect all power cords and cables Step2 Remove the system unit cover Refer to the manufac turer s instructions if necessary Step3 Remove expansion cards...

Page 72: ...rt the HSIM modules into the SIMM banks on the G486VPA The quantity and location of the SIM modules is dependent upon the memory configuration and type of modules you intend to use Step7 Set the corre...

Page 73: ...press these keys at the correct time and the system does not boot the following error mes sage will appear Press Del to enter Setup If you have set a password and selected System in the Security Opti...

Page 74: ...Setup utility A screen similar to the one below will appear Use the arrow keys to highlight the option you want and press Enter StandardCMOSSetup Use the arrow keys to highlight Standard CMOS Setup an...

Page 75: ...o Detection from the main CMOS setup menu or you can set it manually The G486VPA has 46 pre set types and one user definable type Use the Page Up or Page Down keys to select the appropriate type for t...

Page 76: ...the type of floppy disk drives installed in your system If either of the drives is not present select None Make sure you choose the correct drive type otherwise your system might format the device imp...

Page 77: ...Other Memory size refers to the memory located in the 640K to 1024K address space This is the memory used for different applications DOS uses this area to load device drivers to keep as much base memo...

Page 78: ...drive If you choose System in the Security Option you will be prompted for a password every time you cold boot your system or access setup If you choose Setup you will be prompted for a password only...

Page 79: ...py disk controller and hard disk con troller If you press Enter a screen similar to the one below will appear Use the arrow keys to move the highlight bar to the option you wish to change or modify Us...

Page 80: ...ne below will appear Choosing Enabled in the Power Management option will allow you to set Doze Timer Sleep Timer and Sleep Mode This will enable your system to reach one of the following power saving...

Page 81: ...Setup and press Enter a screen similar to the one below will appear The G486VPA system board supports four PCI slots Each slot may be assigned INT value if the card in stalled in the slot requires an...

Page 82: ...ault values After pressing Enter you will be returned to the main menu LoadSetupDefaults The Setup default values are the very stable and should be selected as standard values for your system Highligh...

Page 83: ...s password when Setup option is selected under the BIOS Features Setup only access to setup will be denied when incorrect password is entered You will not be prompted for a password when you cold boot...

Page 84: ...ccess only to your system but not to setup Using user s password to enter Setup allows a user to access only User Password option that appears on the main screen Access to all other options is denied...

Page 85: ...and press Enter A screen similar to the one below will appear The screen displays the parameters detected and allows you to accept or reject the parameters Type Y and press Enter to accept the paramet...

Page 86: ...e the initial diagnostics on the screen If you wish to make additional changes to the setup press Ctrl Alt Esc or Del simutaneously after memory testing is done ExitWithoutSaving When you do not want...

Page 87: ...IDE driver diskette The VT82C496G VLB Device Drivers diskette in cludes drivers for Microsoft Windows 3 1 and 3 11 Windows NT 3 1 and 3 5 OS 2 2 x and 3 0 Novell NetWare 3 11 and 4 0x SCO UNIX 3 2 4 N...

Page 88: ...e installation then select one of the following options 1 F1 Help Press F1 to get a help message 2 F2 Full Installation When chosen this option lets you install all of the VT82C496G VLB IDE device dri...

Page 89: ...tra DOS functions before you enter Windows System The customized installation screen gives you an option to install the Windows driver by pressing F1 After pressing F1 the Utility prompts you to enter...

Page 90: ...ied from the diskette to the destination directory The default IRQ for the second IDE channel is IRQ15 If you have an IDE card that uses IRQ11 and second IDE channel you should adjust the IRQ value by...

Page 91: ...nd IDE channel can be supported by NetWare ISA disk To load the ISA disk and change IRQ value follow the installation proce dures of the NetWare installation manual The default IRQ for the second IDE...

Page 92: ...moving the line BASEDEV VIAIDE ADD in front of the name of the default OS 2 hard disk driver BASEDEV IBM1S506 ADD If you do not complete this modification the device driver IMB1S506 ADD will be execu...

Page 93: ...eps to convert the VT82C496G VLB IDE Device Drivers diskette which is prepared with DOS format into a SCO UNIX custom installable diskette 1 Login to SCO UNIX by typing login root 2 Insert the VT82C49...

Page 94: ...uctions and rebuild the kernel If you wish to install the IDE drivers for the secondary IDE channel channel 17x execute the following commands to extract the major number configure j vth1 For example...

Page 95: ...d using two methods The first method is to install the IDE Windows NT driver at the Windows NT setup time The second one is to install the IDE Windows driver after the system setup The first method is...

Page 96: ...rs found will be displayed on the screeen If you want to configure additional SCSI adapt ers type S Navigate the light bar to select the option Other Requires disk provided by a hardware manufac turer...

Page 97: ...rs option Click the Add button and the Setup Message box will appear Click the OK button to continue the installation 4 Pull down the Adapter menu and navigate the light bar to select the Other Requir...

Page 98: ...ows NT Setup icon 2 Choose the Options menu 3 To remove the Windows NT driver navigate the light bar to select the Add Remove SCSI Adapters option 4 Navigate the light bar to select the SCSI Adapter V...

Page 99: ...age you can apply another method that would allow you to disable the Windows NT driver Instead of selecting vtdisk from the Devices menu you can choose OEMSCSI Click the Startup button and then procee...

Page 100: ...d securely into the bank sockets 3 Make sure that the SIM modules are in the correct locations 4 Check that all populated memory banks are filled with valid size SIM modules 5 If your board fails to f...

Page 101: ...he battery sockets presented below is supported by your G486VPA board To remove the battery from the socket above push the black button downward 1 and the battery to the right 2 To remove the battery...

Page 102: ...16Mx36 SIM modules The follow ing modules have been tested with this board Most untested brands will work but a few may fail to do so ForSIM256Kx36Modules Brand ChipNumber OKI M51C256A 70 ForSIM512Kx...

Page 103: ...G486VPA ForSIM2Mx36Modules Brand ChipNumber OKI M511000B ForSIM4Mx36Modules Brand ChipNumber OKI M514100A 70S ForSIM8Mx36Modules Brand ChipNumber OKI M514100AL 70K AppendixA u A 2...

Page 104: ...as occurred and the BIOS cannot initialize the video screen to display any additional information This beep code consists of a single long beep followed by two short beeps ErrorMessages One or more of...

Page 105: ...then reboot the system DISKETTEDRIVESORTYPESMISMATCHERROR RUN SETUP Type of diskette drive installed in the system is different from the CMOS definition Run setup to reconfigure the drive type correct...

Page 106: ...find or initialize the floppy drive controller Make sure the controller is installed correctly and firmly If there are no floppy drives installed be sure the Diskette Drive selection in Setup is set...

Page 107: ...itten to memory Use the location along with your system s memory map to locate the bad chip OFFENDINGADDRESSNOTFOUND This message is used in conjunction with the I O CHANNEL CHECK and RAM PARITY ERROR...

Page 108: ...ntinue to boot You can also reboot the system with the NMI enabled RAMPARITYERROR CHECKINGFORSEGMENT Indicates a parity error in Random Access Memory SYSTEMHALTED CTRL ALT DEL TOREBOOT Indicates the p...

Page 109: ...rdMemory 009FFFF BoardRAM 00A0000to 128KVideo Reserved for Graphics Display 00BFFFF DisplayMemory Memory 00C0000to 160KI O ReservedforROMonI O 00E7FFF ExpansionROM AdapterCard 00E8000to 96KROMon Syste...

Page 110: ...ensionBusy 0F1 Reset Numeric Processor Extension 170 178 Fixed Disk Controller 2 1F0 1F8 Fixed Disk Controller 1 200 207 GameI O 278 27F Parallel Printer Port 2 2F8 2FF Serial Port 2 300 31F Prototype...

Page 111: ...22 AD 20 Ground AD 18 AD 16 3 3V FRAME Ground TRDY Ground STOP 3 3V SDONE SBO Ground PAR AD 15 3 3V AD 13 AD 11 Ground AD 09 C BE 0 3 3V AD 06 AD 04 Ground AD 02 AD 00 5V I O REQ64 5V 5V B 12V TCK Gr...

Page 112: ...4 05 06 07 08 09 10 11 12 13 14 15 16 17 18 C SBHE LA23 LA22 LA21 LA20 LA19 LA18 LA17 Memr Memw SD08 SD09 SD10 SD11 SD12 SD13 SD14 SD15 B Gnd ResetDrv 5VDC IRQ9 5VDC DRQ2 12VDC O W S 12VDC Gnd SEMEMW...

Page 113: ...M 3 S M 4 VT82C496G ISA Slot 1 VT82C406MV VT82C505 PCB7332 VF BIOS ISA Slot 2 ISA Slot 3 ISA Slot 4 ISA Slot 5 ISA Slot 6 ISA Slot 7 ISA Slot 8 TAG Bank1 Bank0 J14 J13 J12 J11 J10 J9 J8 J7 JP40 JP3 CN...

Page 114: ...er Port Pin 1 2 3 4 5 6 7 8 9 Function DCD Data Carrier Detect RX ReceiveData TX Transmit Data DTR DataTerminalReady Ground SignalGround DSR DataSetReady RTS RequesttoSend CTS CleartoSend RI Ring Indi...

Page 115: ...8 Function Ground DENSEL Ground Reserved Ground Drate0 Ground Index Pin 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5 Function Ack Busy PaperEmpty Select Autofd Error Init Slctin Gro...

Page 116: ...0 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 3 3 3 4 Function Ground MTR0 Ground DR1 Ground DR0 Ground MTR1 Drate1 Dir Ground Step Ground WriteData Ground WriteGate Ground Track0 MSEN WrProtect G...

Page 117: ...Disk Drive Connectors Pin 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5 Function Reset Ground D 7 D 8 D 6 D 9 D 5 D10 D 4 D11 D 3 D12 D 2 D13 D 1 D14 D 0 D15 Groun...

Page 118: ...Function Signal LEDPower Function Ground IOChannelReady BALE Reserved Ground IRQ14 IOCS16 SA1 Reserved SA0 SA2 HCS0 HCS1 LED Ground Pin 2 6 2 7 2 8 2 9 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 4 0 Pin...

Page 119: ...tor ConnectorJP11 Reset Switch Connector ConnectorJ10 SpeakerConnector Pin Function 1 Ground 2 Reset Function Signal Reserved Ground 5V Pin 1 2 3 4 Pin Function 1 LEDSignal 2 Reserved 3 Ground 4 Keylo...

Page 120: ...rd ConnectorJ12 Turbo Green Button Connector ConnectorJ13 TurboLEDConnector ConnectorJ14 GreenLEDConnector Pin Function 1 GND 2 Signal Pin Function 1 Signal 2 LEDPower Pin Function 1 Signal 2 LEDPower...

Page 121: ...tor ConnectorJP40 Green12VFanConnector ConnectorCN2 Keyboard Connector Pin 1 2 3 4 5 Function KeyboardClock KeyboardData NotConnected Ground 5V Pin 1 2 Function GND Green 12V Pin 1 2 3 4 Function 3 6...

Page 122: ...ouseConnector ConnectorPL1 PowerConnector Pin 1 2 3 4 5 6 Function MouseData Reserved Ground 5V MouseClock Reserved Pin 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 Function PowerGood 5V 12V 12V Ground Ground Ground...

Page 123: ...eST4096 Maxtor2085 Maxtor2140 PriamS14 Maxtor2190 PriamS19 10 20 30 62 46 20 30 30 112 20 35 49 20 42 20 40 56 59 30 42 30 10 40 76 71 111 152 306 615 615 940 940 615 462 733 900 820 855 855 306 733 6...

Page 124: ...3053 6053 RLL Miniscribe 3650 Miniscribe3675RLL ConnerCP3104 ConnerCP3204 68 93 83 69 85 102 110 119 17 136 114 40 42 65 40 61 100 203 1024 918 925 1024 1024 1024 1024 1024 1024 1024 918 820 1024 102...

Page 125: ...see page 2 15 of the manual Note DMA controller 1 supports 8 bit data transfer DMA controller 2 supports 16 bit data transfer AddressGenerationforDMAChannels3to0 Source DMAPageMemory DMAController1 A...

Page 126: ...neration for Speaker Real TimeClock IRQ0 Timer Output Out 0 IRQ1 Keyboard Output Buffer Full IRQ2 Interrupt from INTR2 IRQ3 Serial Port 2 IRQ4 Serial Port 1 IRQ5 Parallel Port 2 or 3 378h 278h IRQ6 Di...

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