==View or Print jumper settings using Fixedsys or New Courier fonts==
VL/ISA-486SV2 rev: 3.1
- AMI Bios id string 40-1106-001292-00101111-111192-I486SI-F (rev2.7)
- 8-30 pin SIMM slots (1-32meg FPM DRAM)
- 2-32bit VESA slots
- 7-16bit ISA slots
- 64/128/256KB CACHE support in 8-28pin sockets + 1 TAG RAM socket
- AMI 1993 Bios
- SiS 85C461 chipset
- ZIF CPU socket 3 which supports these processors:
INTEL 80486SX/80487SX/80486DX/ODP487SX/80486DX2
- Supports speeds of 20/25/33/50/66 MHz
- Manufactured by: ASUS COMPUTER INTERNATIONAL
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CONNECTIONS
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Purpose Location Purpose Location
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External battery BCON1 Speaker CON4
Turbo switch CON1 Power LED + keylock CON5
Turbo LED CON2 32-bit VESA SLOT (2) S1 + S2
Reset CON3
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USER CONFIGURABLE SETTINGS
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Function Jumper Position
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* Battery select internal BJP1 pins 1 + 2
Battery select external BJP1 pins 2 + 3
* Monitor type select monochrome JP2 pins 1 + 2
Monitor type select color JP2 pins 2 + 3
DIRQ6 JP3 1-2
IRQ6 JP3 2-3
DIRQ14 JP4 1-2
IRQ14 JP4 2-3
Cpu select Intel/AMD JP22 1 + 2
Cpu select Cyrix JP22 2 + 3
* Factory configured - do not alter TP2 closed
* Factory configured - do not alter TP5 open
Vesa id3 > 33mhz TP7 2-3
Vesa id3 <= 33mhz TP7 1-2
Vesa id2 1 wait state TP6 2-3
Vesa id2 0 wait state TP6 1-2
* Factory configured - hard wired TP12 pins 1 + 2
* Factory configured - DREQ5 low TP13 pins 1 + 2
Factory configured - DREQ5 up TP13 pins 1 + 2
* Factory configured - DREQ6 up TP14 pins 2 + 3
Factory configured - DREQ6 low TP14 pins 2 + 3
* Factory configured - DREQ7 up TP15 pins 2 + 3
Factory configured - DREQ7 low TP15 pins 2 + 3
* LDEV# no sync - hard wired TP16 1-2
LDEV# with sync TP16 2-3
* Factory configured - hard wired TP24 pins 1 + 2
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DRAM CONFIGURATION
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Size Bank 0 Bank 1
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1MB (4) 256K x 9 NONE
2MB (4) 256K x 9 (4) 256K x 9
4MB (4) 1M x 9 NONE
8MB (4) 1M x 9 (4) 1M x 9
16MB (4) 4M x 9 NONE
20MB (4) 4M x 9 (4) 1M x 9
32MB (4) 4M x 9 (4) 4M x 9
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SRAM CONFIGURATION
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Size Cache Location TAG
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64KB (8) 8K x 8 Banks 0 + 1 (1) 8K x 8
128KB (4) 32K x 8 Bank 0 (1) 8K x 8
256KB (8) 32K x 8 Banks 0 + 1 (1) 32K x 8
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SRAM JUMPER CONFIGURATION
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Size Jumper CJ1 Jumper CJ2 Jumper CJ3
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64KB pins 1 + 2 pins 1 + 2 open
128KB pins 2 + 3 open closed
256KB pins 2 + 3 pins 2 + 3 open
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CPU JUMPER CONFIGURATION
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CPU Jumper CPJ1 Jumper CPJ2 Jumper CPJ3
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80486DX/DX2 1-2 1 + 2, 3 + 4 1-2
80487SX/OD 2-3 1 + 2,3 + 4 2-3
80486SX open 2 + 3 1-2
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CPU CLOCK ID CHIP
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Clock type TP25 TP26 TP27
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MX8310 ND 1-2 OPEN 1-2
1D 2-3 OPEN 2-3
2D OPEN CLOSED OPEN
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CPU SPEED CONFIGURATION
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Speed Jumper CS1 Jumper CS2 Jumper CS3 Jumper JP1
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25MHz pins 1 + 2 1 + 2 2 + 3 1 + 2 1x
33MHz pins 2 + 3 2 + 3 2 + 3 1 + 2 1x
40MHz pins 1 + 2 2 + 3 2 + 3 2 + 3 2x
50MHz pins 2 + 3 1 + 2 1 + 2 1 + 2 1x
=====================END OF DATA ON VL/ISA-486SV2 rev: 3.1===================
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