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INSTALLATION

CPU CLOCK SELECTION

l-2

on

on

on

on

on

on

on

on

off

O f f

O f f

off

off

O f f

off

off

3-4

on

on

on

on

O f f

off

O f f

off

on

on

on

on

O f f

O f f

O f f

off

Freq.

5-6 7-8

on

on

24

on

O f f

12

O f f

o n

80

off

off

40

on

on

40

on

off

20

off

on

66.6

off

off

33.3

on

on

32

on

O f f

16

O f f

on

66.6

O f f

O f f

50

on

on

50

on

O f f

25

off

on

O f f

off 

CPU Type

 

Содержание 486-JAL

Страница 1: ...486 JAL MAIN BOARD USER S MANUAL DOC NO 12409 Rev B Date M A Y 1993...

Страница 2: ...l l l l l 5 CONNECTOR DESCRIPTION 5 JUMPER DESCRIPTION 10 INT EXT BATTERY SELECTION FOR DS12885Q ONLY 11 CPU TYPE SELECTION 11 ON BOARD VGA CONTROLLER 11 FDD TYPE SELECTION 11 LOCAL IDE SELECTION 12 H...

Страница 3: ...18 SAVE AND EXIT 18 Appendix B AMIBIOSSETUP l a l l 19 SYSTEM SETUP CONFIGURATION 19 STANDARD CMOSSETUP 20 ADVANCED CMOS SETUP 21 WRITE TO CMOSANDEXIT 22 Appendix C T E C H N I C A L I N F O R M A T I...

Страница 4: ...487SX microprocessor Dual CPU in PQFP and PGA packages VIA VT82C470 PC AT chipset Supports 1MB up to 32MB of DRAM memory Provides page mode DRAM operation Shadow RAM 128KB BIOS One 16 bit 120 pin ISA...

Страница 5: ...INTRODUCTION MOTHERBOARD LAYOUT BANK 1 El JCl JC2 n JC3 a LL Id N j FDD j HDD l J J45 p l B 0 8 E 0 J24 J17 J16 J18 KEYLOCK SPKR RESET 486JAL A4otherboard Layout 2 486JA L...

Страница 6: ...INTRODUCTION SYSTEM BLOCK DIAGRAM MEMORY ADDRESS BUS MA I 3 iz g SWEM CPU ADDRESS PDC _lGD5426J 85 System Block Diagram serialport 7 parallel p art...

Страница 7: ...ock 6 NC 1 Mouse data 2 NC 3 GND 4 v c c 5 Mouse clock 6 GND 1 Data carrier detect 2 Receive data 3 Transmit data 4 Data transmit ready 5 GND 6 Ready to receive data 7 Request to send data 8 Clear to...

Страница 8: ...1 12 13 14 15 1 2 3 4 5 8 9 10 12 _______ ______ Signal Name ______ LPT strobe LPT DO LPTDl LPT D2 LPT D3 LPT 104 LPT D5 LPT D6 LPT D7 LPT acknowledge LPT busy Paper end Selected status Auto line feed...

Страница 9: ...tor 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 VP0 GND VP1 GND VP2 GND VP3 Enable video data VP4 Enable sync signal VP5 Enable video dot clock VP6 NC VP7 GND Video dot clock...

Страница 10: ...24 26 28 30 3q 3i 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 Density selection NC NC Index detection Select motor A Select drive B Select drive A Select motor B Direction control Step pulse Write...

Страница 11: ...O 9 HD D4 10 HDDll 11 HD D3 12 HD D12 13 HD D2 14 HD D13 15 HDDl 16 HD D14 17 HD DO 18 HD D 15 19 GND 20 2 1 NC 22 GND 23 HD I O write 24 GND 25 HD I O read 26 GND 27 IOCHRDY 28 HD address latch 29 NC...

Страница 12: ...ignal Jl9 1 GND Turbo switch 2 Turbo signal 520 1 LED Turbo LED 2 Pull high 545 1 LED HDD LED 2 VCC J9 1 Anode Ext Battery 2 NC Connector 3 NC 4 Cathode JUMPER DESCRIPTION Jumper Function Open Close 5...

Страница 13: ...72 pin SIMM type sockets NOTE 2 Bank 0 has the 4MB DRAM on board and Bank1 is a 72 pin SIMM type socket Total Memory Bank 0 Bank 1 1M 1M 2M 1M 1M 4M 4M SM 4M 1M 8M 4M 4M 16M 16M 17M 16M 1M 20M 16M 4M...

Страница 14: ...ECTION FOR DS12885Q ONLY CPU TYPE SELECTION JC2 1 2 3 shorted 2 3 shorted l 2 shorted l 2 shorted JC3 2 3 shorted 2 3 shorted ______ O F F i JC4 OFF Jll 2 3 shorted l 2 shorted _ ON BOARD VGA CONTROLL...

Страница 15: ...CTION 524 Local IDE Enable l 2 Local IDE Disable 2 3 HDD SPEED SELECTION PDC 20230 ONLY 516 517 SPEED 0 2 3 2 3 SPEED 1 l 2 2 3 SPEED 2 l 2 l 2 CPU SPEED SELECTION PDC 20230 ONLY CPU SPEED 33 Mhz 33 M...

Страница 16: ...n on O f f off O f f off on on on on O f f O f f O f f off Freq 5 6 7 8 mw on on 24 on O f f 12 O f f o n 80 off off 40 on on 40 on off 20 off on 66 6 off off 33 3 on on 32 on O f f 16 O f f on 66 6 O...

Страница 17: ...4M 5M 8M 16M 17M 20M 32M 1M 1M 1M 4M 4M 1M 4M 4M 16M 16M 1M 16M 4M 16M 16M Bank 1 NOTE 2 Bank 0 has the 4MB DRAM on board and Bank1 is a 72 pin SIMM type socket Total Memory Bank 0 Bank 1 4M 4M 0 SM 4...

Страница 18: ...configuration error and asks the user to run the SETUP program After power on RAM testing the message below appears TO ENTER SETUP BEFORE BOOT PRESS CTRL ALT ESC Press CTRL ALT ESC to run SETUP The s...

Страница 19: ...rogram is similar to moving around the Status Page Setup Cache Control 256K 384K Relocation Disabled Cache Timing Normal Dram Timing Fast Video Cacheable Enabled System Cacheable Enabled 1 Alt Fl for...

Страница 20: ...want to run SETUP Press DEL to run SETUP and the screen below appears AMIBIOS SETUP PROGRAM BIOS SETUP UTILITIES C 1992 American Megatrends Inc All Rights Reserved STANDARD CMOS SETUP ADVANCED CMOS SE...

Страница 21: ...Size Not Install Not Install 1 2MB 5t 4 Not Installed VGA PGA EGA 6 7 8 9 101112 Installed 13 14 15 16 17 1819 20 21 22 23 24 2526 2728 29 30 311 2 The SETUP program is completely menu driven use the...

Страница 22: ...T 92H CO M 1 Select COM2 Select Parallel port address Enabled A C Enabled Enabled Setup Enabled Disabled Disabled Disabled Disabled Enabled Enabled Disabled Disabled Enabled Enabled Enabled 0378H ID E...

Страница 23: ...s ESC again and then y then the CMOS SETUP will not change AMIBIOS SETUP PROGRAM BIOS SETUP UTILITIES C 1992 American Megatrends Inc All Rights Reserved STANDARD CMOS SETUP ADVANCED CMOS SETUP AUTO CO...

Страница 24: ...05F Timer 8254 2 060 06F 8042 Keyboard 06E2 06E3 Data Acquisition Adapter 1 070 07F Real time clock NMI non maskable interrupt mask 080 09F DMA page registers 74LS612 OAO OBF Interrupt controller 2 8...

Страница 25: ...ous 1 Monochrome display and printer adapter Enhanced graphics adapter Color graphics monitor adapter Diskette controller Serial port 1 GPIB Adapter 2 GPIB Adapter 3 Cluster Adapter 1 GPIB Adapter 4 G...

Страница 26: ...IRQl Keyboard IRQ3 Serial port 2 IRQ4 IRQS Serial port 1 Available IRQ6 IRQ7 IRQ8 IRQ9 IRQ 10 IRQll FDD controller Parallel port 1 Real time clock Available Available Available IRQ 12 IRQ 13 IRQ 14 I...

Страница 27: ...TECHNICAL INFORMATION DMA ASSIGNMENTS I Ikvel t DMAO DMA 1 DMA2 DMA3 DMAS DMA6 DMA7 Assigned devices Reserved Reserved Floppy controller g bit Reserved Reserved Reserved Reserved N 26 486JAL...

Страница 28: ...OlOOOOOH OOFFFFFH OOFOOOOH OOEFFFFH 00C8000H OOC7FFFH OOCOOOOH OOC8FFFH OOAOOOOH OOSFFFFH OOOOOOOH Maximum Addressable Extended RAM STSTEM BIOS ROM ROM ON I O ADAPTER VGA BIOS ROM GRAPHICS DISPWY BUFF...

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