==View or Print jumper settings using Fixedsys or New Courier fonts==
486EI V1.2 486 VESA Motherboard
- 4-72 pin SIMM slots (1-256meg FPM DRAM)
- 3-32bit VESA Local Bus slots
- 8-16bit ISA slots
- 128k-512k CACHE support in 8-32pin sockets
- AMI Bios
- SiS 85C406 chipset
- DALLAS Real Time Clock
- Supports 3.3v/5volt CPU's
- 237pin ZIF CPU socket 3 which supports these processors:
INTEL 80486SX/SX2,80486DX/DX2/DX4,P23T,Pentium Overdrive
- Supports speeds of 25/33/40/50/66/80/100(internal)MHz.
- Manufacterured by: ADVANCED INTEGRATION RESEARCH INC.
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Cache Config
Size Bank 0 Bank 1
-----------------------------------------
128k 4 - 32kx8 none
256k 4 - 32kx8 4 - 32kx8
512k 4 - 128kx8 none
Cache Jumpers
Size JC4 JC5 JC9
-------------------------------------
128k 2-3 1-2 1-2
256k 1-2 1-2 4-5
512k 2-3 2-3 1-2
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CPU Config
CPU Type J1 J2 J3
---------------------------------------------
80486SX open open 2-3
P23T closed 2-3 1-2
80487SX closed 2-3 1-2
80486DX/DX2/DX4 closed 1-2 1-2
Pentium Overdrive closed 2-3 1-2
CPU Speed Config
Speed JO1 JO2 JL2
-----------------------------------------
25MHz closed closed open
33MHz open closed open
40MHz closed open closed
50iMHz closed closed open
50MHz open open closed
66iMHz open closed open
80iMHz closed open closed
100iMHz open closed open
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CPU Voltage Config
Voltage JP12
------------------------
3.3v 3-5,4-6
5v 1-3,2-4
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