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104

4

VGA BIOS

This chapter describes the specification for the external software
interface of the Super Voyager LPX motherboard VGA BIOS
(Basic Input Output System).

The Super Voyager LPX motherboard Super VGA BIOS is fully
compatible with the standard IBM VGA BIOS and the INT 10h
video service functions. This chapter does not describe the standard
INT 10h functions. See the

American Megatrends AMIBIOS

Technical Reference

for a description of standard INT 10h

functions.

All VGA BIOS interface extensions to the standard VGA BIOS are
described in this chapter.

VGA BIOS Features

The Super Voyager LPX BIOS is a high-performance firmware
product that optimizes the Super Voyager LPX motherboard VGA
controller display quality, power management and video
performance. Features include:

•

100% IBM VGA-compatible BIOS,

•

high performance operation,

•

modular, proven design,

•

motherboard implementation at C000h,

•

integrated with system BIOS,

•

supports switchless configuration,

•

can be customized without source code,

•

VESA-compatible modes and VESA-compatible INT 10h
interface.

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Summary of Contents for Super Voyager LPX

Page 1: ...American Megatrends Inc Super Voyager LPX ISA Motherboard with Green PC and Advanced Power Management User s Guide MAN 708 4 26 94...

Page 2: ...nd EGA are registered trademarks of International Business Machines Corporation XT and CGA are trademarks of International Business Machines Corporation Fujitsu is a registered trademark of Fujitsu Am...

Page 3: ...p 13 Test and Configure 60 3 VGA Drivers 61 Installing Windows VGA Display Drivers 67 Installing ADI VGA Drivers 70 Installing OS 2 V2 0 Drivers 94 Installing Windows 3 0 drivers for OS 2 2 0 98 Insta...

Page 4: ...emble a system based on the Super Voyager LPX motherboard and how to use the AMIBIOS that is specifically designed for this motherboard This manual is not meant to be read by the computer owner who pu...

Page 5: ...L1024 WGD WORDSTAR PREVIEW OVR WORDSTAR PREVIEW MSG WORDSTAR GRFPIX EXE WP CIRRUS VRS Windows 3 1 drivers diskette 2 of 5 File File File File DISK ID INSTALL EXE INSTALL INF METER DLL PM EXE PMSAVER S...

Page 6: ...rs diskette 4 of 5 and File File File File DISK ID README 1ST WIN30 WIN31 WIN30 INSTALL EXE WIN30 METER DLL WIN30 INSTALL INF WIN30 INSTALL TXT WIN30 SYSTEM WIN30 SETRES INI WIN30 SYSTEM CPLRES HLP WI...

Page 7: ...ms to the VESA VL Bus specifications The VL Bus is designed to standardize the hardware interface of peripherals connected to a microprocessor level local bus The VL Bus is designed to be compatible w...

Page 8: ...ISA Motherboard User s Guide Super Voyager LPX Dimensions The Super Voyager LPX motherboard is approximately 9 inches wide by 13 inches long the standard Western Digital LPX size with similar mountin...

Page 9: ...and SX 486DX AM486 33 40 or 50 MHz 486DX AM486 Enhanced S Series 486DX SX and DX2 empty 33 40 or 50 MHz 486DX2 Overdrive empty 25 MHz 50 MHz internal 33 MHz 66 MHz internal 486DX4 empty 25 MHz 75 MHz...

Page 10: ...ger LPX motherboard has a programmable crystal oscillator that supports all possible motherboard frequencies Heat Sink A heat sink is provided if the following CPUs are installed CPU Frequency 80486DX...

Page 11: ...in System Memory The Super Voyager LPX motherboard supports up to 128 MB of DRAM system memory in four SIMMs Single Inline Memory Modules mounted directly on the motherboard SIMM Types Supported The S...

Page 12: ...yager LPX motherboard has 128 bytes of nonvolatile CMOS RAM with a built in 3 6V rechargeable NiCad battery backup for configuration Real Time Clock The Super Voyager LPX motherboard has a real time c...

Page 13: ...tandard 6 pin miniDIN connector for a PS 2 mouse A four pin berg keyboard lock connector is provided on the motherboard to attach a keyboard lock Speaker The motherboard has a standard speaker attachm...

Page 14: ...miconductor NS16550 UARTs for serial port which provide enhanced serial port features The end user can enable FIFO for Serial ports 1 and 2 through Peripheral Setup in WinBIOS Setup Floppy Drive Suppo...

Page 15: ...8 or 16 bit DMA device sizes Fifteen Interrupt Levels The NMI takes precedence over all 15 hardware interrupts Priority Label Typical Interrupt Source 1 IRQ 0 Interval Timer 1 Counter 0 OUT 2 IRQ 1 Ke...

Page 16: ...ader issues a TTL level signal used to turn off the auxiliary AC power receptacle on Green PC power supplies while in Sleep Mode Green PC Test System Configuration The American Megatrends Super Voyage...

Page 17: ...rent to the system operating system The AMIBIOS system BIOS and the American Megatrends MEGAKEY keyboard controller used in the Super Voyager LPX motherboard provide several hot key features Because o...

Page 18: ...present blink when the system is password locked Indicating AutoKeyLock Status via LEDs AutoKeyLock is indicated by the keyboard Num Lock Caps Lock and Scroll Lock LEDs and also through a Password LE...

Page 19: ...that can be attached via a cable to an LED that flashes when the system has been inactive for a specified length of time and Pins 2 3 of J39 are shorted The end user must enter the correct system pas...

Page 20: ...If Sleep Mode is not disabled the system will switch to sleep mode and the system performance will be greatly decreased Some examples of such applications are file servers CAD systems software compile...

Page 21: ...ll upgrade processor Page 39 5 Install motherboard Page 42 6 Connect the power supply Page 44 7 Connect the keyboard Page 46 8 Connect the mouse Page 46 9 Connect cables Page 47 10 Connect onboard I O...

Page 22: ...Super Voyager LPX ISA Motherboard User s Guide...

Page 23: ...bag Place the motherboard on a grounded anti static surface component side up Save the original packing material 4 Inspect the motherboard for damage Press down on all ICs mounted in sockets to verif...

Page 24: ...e 23 for the location of SW1 SW1 Switches Cache Memory Configured All OFF 64 KB All ON 256 KB J3 Manufacturing Diagnostics J3 is the Manufacturing Diagnostics jumper The motherboard is shipped with J3...

Page 25: ...1 the factory setting Short pins 2 3 to select IRQ3 for serial port 1 J16 Parallel Port IRQ Select J16 is a three pin berg that selects the IRQ for the parallel port Short pins 1 2 to select IRQ7 the...

Page 26: ...a three pin single inline berg Short pins 2 3 to disable the onboard PS 2 mouse Short pins 1 2 to enable the onboard PS 2 mouse the default IRQ12 cannot be used by any ISA or VL Bus adapter card when...

Page 27: ...pins 2 3 if running Local Bus Adapter Cards at speeds higher than 33 MHz J5 is shown below See the graphic on page 23 for the location J7 Local Bus ID2 Select J7 is a three pin single inline berg In n...

Page 28: ...PEN Short 1 2 Short 3 4 Short 5 6 All OPEN P4S P24S P23S OPEN Short 1 2 Short 1 2 Short 3 4 Short 2 3 OPEN Short 1 2 Short 3 4 Short 5 6 All OPEN P24D OPEN Short 1 2 Short 1 2 Short 3 4 Short 3 4 SHOR...

Page 29: ...Chapter 2 Installation 23 Step 2 Set Switch and Jumper Options Continued J36 Select CPU Type J22 Select CPU Type J42 Select CPU Type...

Page 30: ...Super Voyager LPX ISA Motherboard User s Guide Step 2 Set Switch and Jumper Options Continued J37 Select CPU Type J30 Select CPU Type...

Page 31: ...Chapter 2 Installation 25 Step 2 Set Switch and Jumper Options Continued J39 Select CPU Type J29 Select CPU Type...

Page 32: ...erg Short the following pins together 1 2 3 4 and 5 6 when a 5 volt CPU is installed on the motherboard See the graphic on page 23 for the J37 location The J37 and J42 pin numbering is shown in the fo...

Page 33: ...J33 is a two pin single inline berg Short Pins 1 2 together to disable the PQFP CPU You must short these pins together when a CPU is installed in the ZIF socket on the motherboard See page 23 for the...

Page 34: ...atic discharge The shorting bridge must be installed on Pins 1 2 of J19 before the computer power is turned on again In most computer if you forget the system password you must remove the battery for...

Page 35: ...the following graphic J27 Pin Setting DMA Channel All OPEN No DMA channel selected factory setting Short Pins 1 2 DRQ0 Short Pins 3 4 DRQ1 Short Pins 5 6 DRQ3 Factory setting Warning If Pins 1 2 of J2...

Page 36: ...Setting DMA Channel All OPEN No DMA channel selected factory setting Short Pins 1 2 DRQ0 Short Pins 3 4 DRQ1 Short Pins 5 6 DRQ3 J26 and J27 are used only for ECP Extended Capability Port and EPP Enha...

Page 37: ...7 Onboard DRAM Bank Select The Super Voyager LPX motherboard comes with 4 MB of system memory surface mounted on the motherboard The factory setting of J46 and J47 pins 1 2 shorted together enables th...

Page 38: ...MB x 36 40 MB 4 MB 16 MB x 36 None None 68 MB 4 MB 1 MB x 36 16 MB x 36 None 72 MB 4 MB 8 MB x 36 None None 36 MB 4 MB 8 MB x 36 8 MB x 36 None 68 MB 4 MB 1 MB x 36 8 MB x 36 None 40 MB 4 MB 1 MB x 3...

Page 39: ...and J47 are shorted together the potential system memory configurations are shown on page 34 Each socket can hold one SIMM unit You can use 256 KB x 36 512 KB x 36 1 MB x 36 2 MB x 36 4 MB x 36 8 MB x...

Page 40: ...MBx36 S 1 MBx36 S 12 MB 512 KBx36 D 4 MBx36 S None None 18 MB 512 KBx36 D 512 KBx36 D 4 MBx36 S None 20 MB 512 KBx36 D 512 KBx36 D 1 MBx36 S 4 MBx36 S 24 MB 512 KBx36 D 512 KBx36 D 4 MBx36 S 4 MBx36 S...

Page 41: ...x36 S 8 MBx36 D None 40 MB 1 MBx36 S 1 MBx36 S 8 MBx36 D 8 MBx36 D 72 MB 4 MBx36 S 8 MBx36 D None None 48 MB 4 MBx36 S 8 MBx36 D 8 MBx36 D None 80 MB 4 MBx36 S 4 MBx36 S 8 MBx36 D None 64 MB 4 MBx36 S...

Page 42: ...KMM536512W 7 single sided KMM536512W3 7 double sided Motorola MCM36512S 70 1 MB x 36 Micron MT12D136M 7 Mitsubishi MH1M36ADJ 7 PNY P361000 70 Motorola MCM36100AS 70 Oki MSC2355 70YS12 Samsung KMM53610...

Page 43: ...MMs These sockets can be filled with either 256 KBx36 S 512 KBx36 1 MBx36 S 2 MBx36 4 MBx36 S 8 MBx36 or 16 MBx36 SIMMs Place the motherboard on an anti static mat With the component side of the SIMM...

Page 44: ...near one edge of the board The Super Voyager LPX motherboard supports the following CPUs and Upgrade Processors Processor in ZIF Socket Upgrade Socket PQFP Processor Frequency Empty 486SX 20 25 or 33...

Page 45: ...has a white diagonal line across one corner on the motherboard which corresponds to pin 1 of the Upgrade Processor Check for bent pins on the Upgrade Processor chip Gently straighten any bent pins wit...

Page 46: ...r to the other side of the socket as shown below Installing a P24T or P24CT The P24T and P24CT upgrade processors are 240 pin package that uses all socket pins Use the same procedure describe above to...

Page 47: ...ard is mounted The power supply is mounted at the far end of the chassis 3 Hold the motherboard component side up with the edge with the SIMM sockets toward you and the edge with the power supply conn...

Page 48: ...Chapter 2 Installation 42 Step 5 Install the Motherboard Continued...

Page 49: ...ften can run on a wide range of voltages and must be set usually via a switch to the proper range Use at least a 200 watt power supply which should have built in filters to suppress radiated emissions...

Page 50: ...The keys on the connector must be cut to fit on some power supplies as shown below P1 Pinout Pin Description 1 Power Good Orange wire 2 VCC Red wire 3 12 Volts Yellow wire 4 12 Volts Blue wire 5 Grou...

Page 51: ...tion is shown on pagee 16 Use a standard PS 2 keyboard interface or use a keyboard connector convertor to attach an AT compatible keyboard Pin Assignments 1 Keyboard data 2 N C 3 Ground 4 Vcc 5 Keyboa...

Page 52: ...ollow the wire to the switch or LED All motherboard components are outlined by a white rectangular box with a broad arrow at one end Pin 1 is always at the arrow end of the white outlined box as shown...

Page 53: ...e computer case another LED such as the Power LED can be made to flash if Pins 1 2 of J14 are shorted J1 Green PC Power J1 is a two pin berg that attaches to the Green PC power switch This switch can...

Page 54: ...tor J38 is a four pin single inline berg that is attached via a cable to the system speaker AMIBIOS signals hardware problems through the speaker Pin 1 on the motherboard is identified by the arrow on...

Page 55: ...separate keyboard lock and Power LED connectors The computer chassis may not include the keyboard lock and Power LED on a single connector The keyboard lock allows the user to lock the keyboard protec...

Page 56: ...erboard is running at high speed J21 IDE Activity Indicator LED J21 is a two pin berg that is attached via a cable to the externally mounted IDE Activity LED This LED lights when the IDE drive is runn...

Page 57: ...nal Battery Connector There is a built in rechargeable battery on the motherboard An external battery is not necessary but can be used Connect the external battery to J6 via a four wire cable If you a...

Page 58: ...ocal bus J4 and a floppy controller J2 The serial and parallel port connectors are described below The IDE connector is described on page 59 The floppy connector is described on page 57 Checking for C...

Page 59: ...23 are 9 pin DB9 male connectors that provide an AT compatible serial port interface The DB9 connector pin placement is shown below The DB9 serial port pinout is shown below Pin Signal Description 1 C...

Page 60: ...connector The J40 pin placement is shown below The J40 pinout is shown below Pin Signal Description 1 STROBE 2 PD0 3 PD1 4 PD2 5 PD3 6 PD4 7 PD5 8 PD6 9 PD7 10 ACK 11 BUSY 12 PE 13 SLCT 14 AUTOFD 15 E...

Page 61: ...VGA connector The J45 pin placement is shown below The J45 pinout follows Pin Signal Description 1 Red Video Signal 2 Green Video Signal 3 Blue Video Signal 4 Monitor ID Bit 2 5 Ground 6 Red return 7...

Page 62: ...onboard VGA it activates the ESYNC and ENVIDE0 signals to the motherboard The onboard VGA disables its VGA output buffers Video data from the 8514 compatible graphics coprocessor can then drive the DA...

Page 63: ...t be used if a hard disk adapter card with floppy controller is installed The motherboard supports up to two 720 KB 1 44 MB or 2 88 MB 3 drives and 360 KB and 1 2 MB 5 drives The connecting cable is a...

Page 64: ...INDEX 9 GND 10 MOTOR0 11 GND 12 FDSEL1 13 GND 14 FDSEL0 15 GND 16 MOTOR1 17 GND 18 DIR 19 GND 20 STEP 21 GND 22 WDATA 23 GND 24 WGATE 25 GND 26 TRK0 27 GND 28 WRPROT 29 GND 30 RDATA 31 GND 32 HDSEL 3...

Page 65: ...t there are no conflicts in IRQ and I O port addresses The onboard IDE uses IRQ14 and I O port addresses 01F0h 01F7h If there is a conflict the IDE interface can be disabled via Peripheral Setup see p...

Page 66: ...stall the connectors Call Technical Support if there are problems BIOS Errors If the system operates normally a display should appear on the monitor The BIOS Power On Self Test POST should execute If...

Page 67: ...Super Voyager LPX ISA Motherboard User s Guide...

Page 68: ...onitor type is displayed Press the arrow keys to select a new monitor type if desired Choose Advanced monitor type to customize the monitor timings for your monitor Next choose the Set Advanced button...

Page 69: ...mputer boots You cannot perform centering if CENTER COM is loaded To unload CENTER COM and delete all centering adjustments change the monitor type when rerunning CLMode You can store centering adjust...

Page 70: ...x 768 31 5 35 5 60 or 70 43 5 interlaced 2 NEC 2A 640 x 480 800 x 600 31 5 35 2 60 or 70 Hz 56 Hz 3 NEC II 640 x 480 800 x 600 1024 x 768 31 5 35 2 35 5 60 or 70 56 43 5 interlaced 4 NEC 3D 640 x 480...

Page 71: ...display the current CLMode settings Using SetRES SetRES is a Windows 3 1 utility that changes the screen resolution number of screen colors font size and system resources After new options have been s...

Page 72: ...ectory when prompted for a directory The following screen appears 3 Copy the files to the Windows directory as prompted From Windows Setup select the Multi Resolution entry which correctly configures...

Page 73: ...ory You are looking for the old version of the Cirrus Logic VGA drivers if loaded You can delete all references to these drivers to make sure that you will not have different versions of the same Wind...

Page 74: ...rrus 5428 v1 41 800x600x256 Highlight the display driver you want to use and press Enter 5 Continue with the configuration process Installing Windows Drivers from within Windows Step Action 1 Make sur...

Page 75: ...o drivers such as the following appears GD5428 v1 41 640x480 16 colors 60 Hz 72 Hz GD5428 v1 41 640x480 256 colors 60 Hz 72 Hz GD5428 v1 41 800x600 16 colors 56 Hz 60 Hz 72 Hz GD5428 v1 41 800x600 256...

Page 76: ...ssic driver does not modify AutoCAD program or drawing files Improving AutoCAD Performance TurboDLDClassic speeds AutoCAD by Translating the normal AutoCAD hierarchical file structure to a Display Lis...

Page 77: ...with the AutoCAD built in Virtual Memory Manager includes CustomColors which lets you interactively customize logical and physical colors from within AutoCAD is completely compatible with all Autodes...

Page 78: ...is loaded by AutoCAD at AutoCAD load time and is unloaded when AutoCAD is exited The Display List size can vary from one tenth to three times the size of the current drawing file particularly when usi...

Page 79: ...stall TurboDLDClassic in a subdirectory other than ACAD DRV modify the ACADDRV environment variable to include that subdirectory Otherwise the TurboDLDClassic selection will not appear in the list of...

Page 80: ...ges You must at least choose the graphics adapter card and screen resolution must be chosen from the Select Graphics card and Resolution menu If no display options are configured the driver is configu...

Page 81: ...the mouse and digitizer button for the Big Picture You can specify that a double click on a digitizer or mouse button calls a Big Picture On the BP Button menu line enter the number of any digitizer b...

Page 82: ...end the Regenless zooming ability by a factor of several million while using more memory Additional memory is used by AutoCAD for drawing space and by the driver for the Display List 31 Bit zooming an...

Page 83: ...reload the drawing Configure the AutoCAD colors From the AutoCAD Command Line type DLDCOLOR and press Enter to start CustomColors the color configuration utility Make any desired color changes save th...

Page 84: ...R11 Step Action 1 To change a Release 11 configuration select option 5 Configure AutoCAD from the AutoCAD main menu 2 From the configuration menu select option 3 Configure Video Display 3 Type No at t...

Page 85: ...e 2 with RenderMan to find the driver file FASTACAD BAT must run before starting AutoCAD R11 It only must be run once per system boot To automatically load the environment variables add FASTACAD BAT t...

Page 86: ...gure AutoShade Select the P386 Autodesk Device Interface display driver Select the P386 Autodesk Device Interface rendering driver If running the display and rendering screen on the same monitor tell...

Page 87: ...ded MATERIAL DISPLAY is only configured for RCPADI when both the Display and Rendering resolutions are 256 color If unsure about the Materials Editor screen use the Materials Editor as VGA The Materia...

Page 88: ...Materials Display Render Display and Flic Playing during Vibrant Graphics configuration Click on OK when the Vibrant Graphic settings are complete TurboDLDClassic driver configuration follows 5 Follo...

Page 89: ...olors Otherwise AVE Render cannot render to viewport 6 Select a Render Hard Copy Device If using a render hard copy device select the correct device type from the list If not using a hard copy device...

Page 90: ...s to the 16 physical colors when you press Enter Press or to select a physical color and press Enter Physical Alters the red green and blue components of the physical colors A highlight box appears in...

Page 91: ...size of the image in the window by pressing the key on the numeric keypad Pressing reduces the size of the BP Press Home for the largest size and End for the smallest size The smallest BP size is exa...

Page 92: ...t the drawing screen or type DLDBPSTATIC again DLDCOLOR Invokes CustomColors the color configuration program DLDCOMPACT Returns unused display list memory to the AutoCAD memory pool DLDDCACHE Enables...

Page 93: ...g pans redraws and zooms issue the DLDCOMPACT command If this does not affect the number of disk accesses add memory TurboDLDClassic speeds AutoCAD operations by creating a Display List in memory and...

Page 94: ...be snapping to a point that is not part of the zoomed viewport If the cursor only moves to a single point or is not on screen at all turn the grid snap off TurboDLDClassic features do not work in Auto...

Page 95: ...nuances One of these nuances is that Zoom All and Zoom Extends both force a Regen because AutoCAD does not track the boundaries necessary to avoid Regens Regens are time consuming and do not use displ...

Page 96: ...party application is ADI 4 2 compatible and you are having trouble using TurboDLDClassic run AutoCAD without the third party application to isolate the problem Try the third party application with the...

Page 97: ...the drive and directory where you want them copied to such as B GEM 3 requires that the drivers be installed from the root directory of the diskette in drive A Make sure you install the drivers to th...

Page 98: ...o to step 5 For v2 3 select Modify Current Driver Set and go to step 6 5 From the next menu select Modify Current Driver Set 6 From the next menu select one of the display and resolution configuration...

Page 99: ...3R3 If INSTALL DDF has been copied to a backup file see step 2 above answer YES to the prompt to confirm overwriting the file 4 Type INSTALL and press Enter Select Change selected equipment If you are...

Page 100: ...OS 2 CONFIG SYS file as follows Add C OS2 DLL CLDSP to the beginning of the LIBPATH statement and remark REM the following statements REM set video_devices vio_vga REM set vio_vga device bvhvga REM d...

Page 101: ...ng up a DOS full screen session and run CLMODE EXE to set the monitor type 3 Insert the Super Voyager LPX OS 2 driver diskette in drive A or B and type A or B SVGA EXE ON and press Enter to create an...

Page 102: ...ource file If so select the Yes button when the installation program displays this message Information about SVGA EXE can be found in the OS 2 User Manual The accelerated drivers for OS 2 2 1 require...

Page 103: ...pe CD DISK_1 Type clinst21 cmd and press Enter 4 Check the Primary Display check box from the DISPLAY DRIVER INSTALL dialog box 5 Select CIRRUS LOGIC Blitter Driver from PRIMARY DISPLAY ADAPTER TYPE d...

Page 104: ...and requires OS 2 service pack XR06055 This driver does not support WIN OS 2 3 1 in the OS 2 2 1 beta release Step Action 1 Change SYSTEM INI in the os2 mdos winos2 directory to boot driver for full s...

Page 105: ...31 and press Enter Type install exe Use Setres in the Control Panel to change the screen resolution To use Power Management Screen Saver choose the Control Panel select Desktop select Screen Saver sel...

Page 106: ...MI 6 Remove the diskette in drive A and reboot OS 2 Repeat this procedure when SVGA EXE will not run in DOS Windowed or DOS Full Screen Installing WordStar Drivers The WordStar display drivers support...

Page 107: ...Ventura Publisher requires that the drivers be installed from the root directory of a floppy disk in drive A Be sure to install the drivers to the root of drive A or drive B and then place the floppy...

Page 108: ...TALL EXE copies two screen drivers SCREEN8 VID for 800x600 graphics resolution SCREEN VID for 1024 x768 graphics resolution The driver to be used must be named SCREEN VID When a file is renamed to SCR...

Page 109: ...INSTALL EXE utility Choose the option for the WordPerfect drivers and specify the drive and directory where you want them copied to such as C WP51 3 Start WordPerfect and press Shift F1 Choose Display...

Page 110: ...a description of standard INT 10h functions All VGA BIOS interface extensions to the standard VGA BIOS are described in this chapter VGA BIOS Features The Super Voyager LPX BIOS is a high performance...

Page 111: ...m to operate in some environments a direct system BIOS entry is provided to call some BIOS functions without using the interrupt vector table or system BIOS data areas in low memory A data word that c...

Page 112: ...r a non standard monitor Supported Video Modes Mode Colors Char Row Char Cell Pixels Display Mode Horiz Freq Vert Freq 00 01 16 256 40x25 8x8 320x200 Text 31 5 70 00 01 16 256 40x25 8x14 320x350 Text...

Page 113: ...hics 75 56 70 5D 16 256 KB 128x48 8x16 1024x768 Graphics 77 58 72 5F 256 256 KB 80x30 8x16 640x480 Graphics 25 31 5 60 5F 256 256 KB 80x30 8x16 640x480 Graphics 31 5 37 9 72 60i 256 256 KB 128x48 8x16...

Page 114: ...Technical Reference for information about standard INT 10h functions All extended function calls preserve the CPU registers except those that pass information from the system BIOS Extended INT 10h Fun...

Page 115: ...rresponding hardware capabilities VGA BIOS versions that do not support this family of functions preserve the input in AL Input AH 12h BL 80h Output AX Controller Type 0000h No extended alternate sele...

Page 116: ...L will contain 02h Input AH 12h BL 81h Output AH Major BIOS version number AL Minor BIOS version number Inquire VGA BIOS Design Revision Code This function provides a mechanism for software to determi...

Page 117: ...ns Continued Function 12h Subfunction 93h Force 8 bit Operation This function forces 16 bit operation in an environment where 16 bit operation is possible The function takes effect immediately Input A...

Page 118: ...type 640x480 frequency VGA refresh Bits 13 11 Reserved Bit 10 0 Force 16 bit operation 1 Force 8 bit operation Bits 9 7 Reserved Bits 6 5 Vertical monitor type maximum resolution Bits 4 2 Monitor Typ...

Page 119: ...r 00h 7Fh BL A0h Output AH 00h Video mode not supported 01h Video mode supported DS SI Pointer to standard video parameters FFFFF FFFFh if standard parameters undefined for this mode ES DI Pointer to...

Page 120: ...senses the type of monitor attached Input AH 12h BL A1h Read monitor ID and type from 15 pin connector Output BH Monitor ID 09h IBM 8604 8507 or equivalent 0Ah IBM 8514 or equivalent 0Bh IBM 8515 or e...

Page 121: ...z 01h 8514 compatible 31 5 KHz and 35 5 KHz 02h SVGA 31 5 KHz to 35 1 KHz 03h Extended SVGA 31 5 KHz to 35 5 KHz 04h Multifrequency 31 5 KHz to 37 8 KHz 05h Extended multifrequency 31 5 KHz to 48 KHz...

Page 122: ...tion 9Ah Calls to INT 10h Function 12h subfunctions A2h Set Monitor Type Horizontal and INT 10h Function 12h subfunction A3h Set Refresh Type are converted to vertical equivalents effecting the maximu...

Page 123: ...e video environment These functions return system level information as well as video mode specific details Function 00h returns general system level information including an OEM identification string...

Page 124: ...on 00h Set video mode and Function 0Fh Read current video state VESA aware applications do not set the video mode using INT 10h function 00h and cannot INT 10h function 0Fh SVGA INT 10h functions 02h...

Page 125: ...of VESA mode numbers is Bit 15 Reserved Bits 14 9 Must be 0 Reserved for future expansion Bit 8 0 Mode number If bit 8 is not 0 this is not a VESA defined mode If bit 8 is 1 this is a VESA defined mod...

Page 126: ...ut AH 4Fh SVGA is supported AL 00h Return SVGA Information ES DI Pointer to Buffer Output AX Status All other registers are preserved The information block has the following structure VgaInfoBlock str...

Page 127: ...specific display drivers There are no restrictions on the format of the string Capabilities Describes general features supported in the video environment The structure is Bits 31 1 Reserved Bit 0 AC i...

Page 128: ...rity dw windows granularity WinSize dw window size WinASegment dw window A start segment WinBSegment dw window B start segment WinFuncPtr dd pointer to window function BytesPerScanLine dw bytes per sc...

Page 129: ...y BIOS 1 Output functions supported by BIOS Bit 1 Extended information available 0 Extended mode information not available 1 Extended mode information available Bit 0 Mode supported in hardware 0 Mode...

Page 130: ...000 then CPU display memory windowing is not supported XResolution YResolution Specify the width and height of the video mode In graphics modes this resolution is in units of pixels In text modes this...

Page 131: ...mode The application may load more than one image into the VGA s memory if this field is non zero and flip the display between the images Reserved Supports a future VESA BIOS extension feature and wil...

Page 132: ...through INT 10h Function 06h or by calling the function directly A direct call provides faster memory mapping than INT 10h Notes Version 1 1 and later VESA BIOS extensions zero all unused fields in t...

Page 133: ...video memory Bits 14 0 Video mode number Output AX Status All other registers are preserved Function 03h Return Current Video Mode This function returns the current video mode in BX Input AH 4Fh SVGA...

Page 134: ...AL 04h Save Restore SVGA video state DL 00h Return save restore state buffer size CX Requested States Bit 3 Save restore SVGA state Bit 2 Save restore video DAC state Bit 1 Save restore video BIOS dat...

Page 135: ...elect SVGA Video Memory Window This function sets or retrieves the position of the specified window in the video memory The function allows direct access to the hardware paging registers To use this f...

Page 136: ...ed via INT 10h Function 01h Return SVGA Mode Information A field in the ModeInfoBlock contains the address of this function This function may be different among video modes in a BIOS implementation so...

Page 137: ...function 01h Return Scan Line Length Input AH 4Fh SVGA Support AL 06h Logical Scan Line Length BL 01h Return Scan Line Length Output AX Status BX Bytes Per Scan Line CX Actual Pixels Per Scan Line DX...

Page 138: ...splay Start CX First Displayed Pixel in Scan Line DX First Displayed Scan Line Output AX Status Function 07h Subfunction 01h Return Display Start Input AH 4Fh SVGA Support AL 07h Display Start Control...

Page 139: ...d VGA 6 Output AX Status BH Desired number of bits of color per primary Standard VGA 6 Function 08h Subfunction 01h Get DAC Palette Control Input AH 4Fh SVGA Support AL 08h Set Get DAC Palette Control...

Page 140: ...tatus 0 Not supported 1 Supported BH Power saving state signal controller support Bits 7 4 Reserved Bit 3 Reduced On not supported by DPMS 1 0 Bit 2 Off Bit 1 Suspend Bit 0 Standby BL VBE PM Version N...

Page 141: ...been added Offset Type Description 14h dword Pointer to next negative offset table in linked list 10h word 04h if offset 14h is a valid pointer Set to 00h if this link is the last in RAM Set to 04h a...

Page 142: ...equency at the top to the lowest on the bottom to make sure WinBIOS always sets the correct mode for the monitor type Modes can be added to WinBIOS by manipulating the structure described above WinBIO...

Page 143: ...unction 01h 0B byte VESA mode attributes Defined in INT 10h function 01h 0C byte Reserved 00 0D byte Reserved 00 0E byte What chipsets mode is allowed on Bit location based on return value in AL of al...

Page 144: ...ialization test and initialize motherboards for normal operations and System Configuration Verification compare defined configuration with there hardware actually installed AMIBIOS Error Reporting The...

Page 145: ...nerated an exception interrupt 8 Display Memory Read Write Error The system video adapter is either missing or its memory is faulty 9 ROM Checksum Error The ROM checksum value does not match the value...

Page 146: ...rer CH 2 Timer Error Most AT motherboards include two timers An error occurred with timer 2 CMOS Battery State Low CMOS RAM is powered by a battery The battery power is low Replace the battery CMOS Ch...

Page 147: ...read the diskette in floppy drive A but it cannot boot the system with it Use another boot diskette and follow the screen instructions Keyboard Is Locked Unlock It The keyboard lock on the system is e...

Page 148: ...device other than the CPU has driven the bus signal for more than 7 8 microseconds AMIBIOS Configuration Summary Screen The AMIBIOS displays the following screen when the POST routines are successfull...

Page 149: ...dditional BIOS Identification strings These strings contain system information The AMIBIOS Identification String are described in the ISA and EISA Hi Flex AMIBIOS Technical Reference When a problem oc...

Page 150: ...is powered on The system parameters are configured by a system BIOS Setup utility Historically BIOS Setup utilities have been character based required keyboard input and has user interfaces that were...

Page 151: ...tion in the selected field Using the Keyboard with WinBIOS Setup WinBIOS has a built in keyboard driver that uses simple keystroke combinations Tab Change or select a global field Change or select the...

Page 152: ...ow is organized into four sections Each of these sections corresponds to a section in this chapter Each section contains several icons Clicking on each icon activates a specific AMIBIOS function The W...

Page 153: ...options such as date time hard disk type floppy type and many others Utilities described in Section 2 beginning on page 167 has four icons that perform system functions Security described in Section 3...

Page 154: ...icon from the WinBIOS Setup main menu see page 146 All Standard Setup options are described in this section The Standard Setup screen follows Date Day and Time Configuration Select the Standard optio...

Page 155: ...The number of cylinders in the disk drive Heads The number of heads Write Precompensation The size of a sector gets progressively smaller as the track diameter diminishes Yet each sector must still h...

Page 156: ...1024 7 512 1023 17 60 MB 20 733 5 300 732 17 30 MB 21 733 7 300 732 17 43 MB 22 733 5 300 733 17 30 MB 23 306 4 0 336 17 10 MB 24 925 7 0 925 17 54 MB 25 925 9 65535 925 17 69 MB 26 754 7 754 754 17 4...

Page 157: ...p main menu AMIBIOS automatically finds all IDE hard disk drive parameters AMIBIOS places the hard disk drive parameters that it finds in the Drive C Type or Drive D Type fields in Standard Setup Flop...

Page 158: ...to the computer Rather it specifies if error messages are displayed if a keyboard is not attached This option permits you to configure workstations with no keyboards The settings are Absent or Presen...

Page 159: ...s off the ticking sound during the memory test The settings are Enabled or Disabled The Optimal and Fail Safe default settings are Enabled Memory Parity Error Check This option enables or disables par...

Page 160: ...before continuing If this option is disabled AMIBIOS continues the boot process without waiting for F1 to be pressed The settings are Enabled or Disabled The Optimal and Fail Safe default settings are...

Page 161: ...mory If Disabled is chosen all secondary cache memory is disabled The settings are Disabled or Enabled The Optimal default setting is Enabled The Fail Safe default setting is Disabled Internal Cache T...

Page 162: ...Shadow DC00 32K Shadow E000 64K These options enable shadowing of the contents of the ROM area named in the option title The settings are Enabled or Disabled The Optimal and Fail Safe default setting...

Page 163: ...is Write Bk The Fail Safe default setting is Write Th Non Cacheable Block This option specifies how the non cacheable block of system memory can be used The settings are DRAM or ATBus The Optimal and...

Page 164: ...O Recovery This option specifies the length of the delay that is added to the CPU cycle after an 8 bit or 16 bit I O operation The length of the delay is related to the CPU type and frequency The rec...

Page 165: ...k U70 to change the CPU voltage from 5V to 3 3V must be installed 3 3V CPUs cannot be used unless this voltage regulator is installed A 100 MHz 486DX4 CPU can be configured in two ways This option CPU...

Page 166: ...Enabled The Optimal and Fail Safe default settings are Disabled The system monitor must be VESA DPMS Display Power Management Specification aware If using a standard VGA monitor that is not DPMS aware...

Page 167: ...sabled or Enabled The Optimal and Fail Safe default settings are Disabled Do not set this option to Enabled when any VL Bus adapter cards are installed Some VL Bus adapter cards do not work when the c...

Page 168: ...set to Enabled Power supplies that support a timeout feature provide a cable with a two pin berg header often called the Auxiliary Power Connector Usually the black wire is Ground and the Green wire...

Page 169: ...expire before the stop clock signal is generated The following events reset this timer any activity in the C0000h C7FFFh video BIOS any activity in A0000h BFFFFh video memory any I O activity in I O p...

Page 170: ...or Disabled The Optimal and Fail Safe default settings are Disabled IDE Block Mode Set this option to Enabled to achieve higher data transfer rates when using IDE drives that support IDE Block Mode T...

Page 171: ...is option enables serial port 2 on the motherboard if installed The settings are 2F8h 2E8h or Disabled The Optimal and Fail Safe default settings are Disabled First Serial Port FIFO This option enable...

Page 172: ...Chapter 6 AMIBIOS Setup 166...

Page 173: ...ve C are automatically detected and reported to the Hard Disk Drive C screen in Standard Setup so you can easily configure drive C Detect D if drive D is an IDE drive the hard disk drive parameters fo...

Page 174: ...Chapter 6 AMIBIOS Setup 168...

Page 175: ...led in Advanced Setup see page 155 by choosing either Always the password prompt appears every time the system is powered on or Setup the password prompt appears only when WinBIOS is run The password...

Page 176: ...is incorrect an error message appears If the new password is entered without error press Esc to return to the WinBIOS Main Menu The password is stored in CMOS RAM after WinBIOS completes The next time...

Page 177: ...ot sector of the hard disk drive The settings are Enabled or Disabled If enabled the following appears when a write is attempted to the boot sector You may have to type N several times to prevent the...

Page 178: ...Chapter 6 AMIBIOS Setup 172...

Page 179: ...ent in WinBIOS Setup when you first began this WinBIOS Setup session Optimal You can load the optimal default settings for the WinBIOS by selecting the Optimal icon The Optimal default settings are be...

Page 180: ...Chapter 6 AMIBIOS Setup 174...

Page 181: ...lied by American Megatrends There are two methods for programming the Flash EPROM program from system boot run the AMIFlash utility Programming Flash from System Boot Insert the floppy disk with the n...

Page 182: ...d begin the Flash ROM programming process again The bootblock code immediately reads the A drive looking for the new BIOS information S708P ROM S708P ROM resides on a floppy disk and contains the upda...

Page 183: ...ppy disk The floppy disk is read There is no beep if this step is successful 4 Check for BIOS file size The BIOS file size is checked There is no beep if this step is successful 5 Check for Flash EPRO...

Page 184: ...or beep codes and when they can occur Step Beeps Description None Successful completion 1 Continuous Single Beep There is no floppy disk in Drive A 2 Five Beeps S708P ROM is not present in the root di...

Page 185: ...alize the interrupt controller 80h Initialize the I O chipset if any 85h Enable the appropriate IRQs 86h Enable the internal cache memory 88h Initialize the floppy drives 90h Indicate an error The BIO...

Page 186: ...prompt for the filename Type S708P ROM and press Enter Pressing Esc exits AMIFlash any time before Flash EPROM reprogramming begins General Operation If Flash EPROM is present AMIFlash asks if you wan...

Page 187: ...an error messages is displayed and the system halts Turn power off and replace the Flash EPROM with a new programmed Flash EPROM to make the system usable AMIFlash Messages Message Explanation Save Ex...

Page 188: ...no Flash EPROM is present in the system Memory Allocation Error Displayed when scratch memory is not available File Creation Error Displayed when the specified BIOS save file could not be created File...

Page 189: ...he motherboard is already installed in a computer case remove the cover and expose the motherboard 2 Make sure you are properly grounded to prevent electrostatic discharge 3 Remove the nine 8 KB x 8 S...

Page 190: ...Appendix A Upgrading Cache Memory 184...

Page 191: ...th the CPU frequency Frequency Heat Sink Airflow over CPU Airflow over other components Maximum Ambient Temperature 20 or 25 MHz NO 400 feet per minute Not critical 47 C 33 MHz NO 400 feet per minute...

Page 192: ...ory banks consume 2 Amps each for a total of 8 Amps Each ISA expansion slot is gated at 3 0 Amps maximum Each VL Bus expansion slot is gated at 4 5 Amps maximum There are six ISA only expansion slots...

Page 193: ...ory Test 143 POST Phases 138 System 6 BIOS Setup 144 Board Layout 16 Bus clock 6 C Drive Error 140 Cables Connecting 47 CMOS Display Type Mismatch 140 CMOS RAM 6 CMOS Shutdown Register Read Write Erro...

Page 194: ...20 Keyboard connector 46 Keyboard lock connector 49 Layout of motherboard 16 Power Supply Connectors 44 Power supply key cutting 45 Reset switch connector 48 SIMM 38 Speaker connector 49 System Height...

Page 195: ...00 16K 156 ISA Adaptor ROM at D400 16K 156 ISA Adaptor ROM at D800 16K 156 ISA Bus 6 Slowed during Sleep Mode 14 J1 Green PC Power 48 J14 Password LED Enable 27 J14 Password LED Select 13 J15 Password...

Page 196: ...t 21 Jumpers 17 Keyboard 7 152 Keyboard connector 46 Layout 16 Local Bus 7 Local Bus ID 21 Low Speed Timeout 161 Manufacturing Diagnostics switch 18 Manufacturing Test Port 138 Memory Installation 33...

Page 197: ...Indicator 50 Keyboard connector 46 Keyboard lock 49 P1 Power Supply 45 P2 Power Supply 45 Reset Switch 48 Serial ports 53 Turbo LED 50 Turbo switch 51 POST 138 Memory Test 143 Phases 138 Power Consump...

Page 198: ...System Event Timer 163 System Memory 5 Tables AMIBIOS System Configuration 142 AMIFlash error messages 182 BBS Phone Numbers vii Beep Codes 139 BIOS errors 138 CPU Select jumper settings 22 Error mes...

Page 199: ...2 Switch settings 18 Twist in floppy cable 58 Unpacking instructions 17 Testing System 60 Testing the Motherboard 60 Timer 6 Turbo LED 50 Turbo Switch Connector 51 Unpacking the Motherboard 17 Upgrade...

Page 200: ...Index 194...

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