==View or Print jumper settings using Fixedsys or New Courier fonts==
486EI VESA/EISA V1.0 486 VESA Motherboard
- 4-72 pin SIMM slots (1-256meg FPM DRAM)
- 3-32bit VESA Local Bus slots
- 8-16bit EISA slots
- 64k-512k CACHE support in 8-32pin sockets
- AMI/Phoenix Bios
- SiS 85C406 chipset
- DALLAS Real Time Clock
- Supports 5volt CPU's
- 237pin ZIF CPU socket 3 which supports these processors:
INTEL 80486SX,80486DX/DX2,P23T,P24T
- Supports speeds of 20/25/33/50/66(internal)MHz.
- Manufacterured by: ADVANCED INTEGRATION RESEARCH INC. USA
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Reset switch J22 ?
Speaker J8
Power LED/keylock J9
Turbo switch J6 ?
Turbo LED J24
Monitor Type J7
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Colour closed
Monochrome open
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Cache Config
Size Bank 0 Bank 1
-----------------------------------------
64k 4 - 8kx8 4 - 8kx8
128k 4 - 32kx8 none
256k 4 - 32kx8 4 - 32kx8
512k 4 - 128kx8 none
Cache Jumpers
Size JC1 JC2 JC3 JC4 JC5 JC6 JC7 JC9
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64k 1-2 1-2 1-2 1-2 1-2 1-2 1-2 2-3
128k 2-3 2-3 1-2 1-2 1-2 1-2 2-3 1-2
256k 2-3 2-3 2-3 1-2 1-2 2-3 2-3 4-5
512k 2-3 2-3 2-3 2-3 2-3 2-3 2-3 1-2
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CPU Config
CPU Type J1 J2 J3
---------------------------------------------
80486SX open open 2-3
80487SX closed 2-3 1-2
80486DX/DX2 closed 1-2 2-3
P23T closed 2-3 1-2
P24T closed 2-3 1-2
CPU Speed Config
Speed JL2 JO1 JO2 JO3 JO4
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20MHz open open closed closed closed
25MHz open closed open closed closed
33MHz open closed closed open closed
50iMHz open closed open closed closed
50MHz closed open open open open
66iMHz open closed closed open closed
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