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UM4980 v1.1 486 VESA Motherboard
- BIOS ID string UM4980 v1.1 01/12/94--2C4X6H01-00
- the 41 page ver:1.1 PDF manual is available as a 1.1meg archive
- the 46 page ver:2.1 GIF manual is available as a 2.1meg archive
- 4-72 pin SIMM slots (1-64meg FPM DRAM)
- 3-32bit VESA Local Bus slots
- 7-16bit ISA slots
- 1-8bit XT slot
- 128k-1024k CACHE support in 8-32pin sockets + 1 TAG RAM socket
- PHOENIX Bios Ver:4.03 Auto-Detect Flash Bios with Energy Mgmt.
- Supports LBA Mode Control & Large Disk DOS Compatibility.
- Green PC Connector
- external 3.6v battery not included
- UMC UM8498F chipset
- Supports 3.3v/3.45v/5volt CPU's and clock speeds 2x/3x.
- One 237 ZIF CPU socket 3 which supports these processors:
INTEL 80486SX/SX2,80486DX/DX2/DX4,P24D
CYRIX CX486S(M6),CX486DX/DX2(M7)
AMD AM486DX/DX2,AM486DXL/DXL2
UMC GREEN CPU U5S-SUPER
- Supports speeds of 25/33/40/50/66/75/100(internal)MHz.
- Manufactured by: ELITEGROUP COMPUTER SYSTEMS
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