Tested and Benchmarked in MS-DOS via XT to IDE.

No soldered Varta battery. Takes external

256kb cache. Can be upgraded to 1MB (The Retroweb page), 12 MB Ram , Intel 486DX33

The package will include:

-- Motherboard

---CPU

-- 12 MB ram

Will Post with Care

Specifications:

TheECS (Elitegroup Computer Systems) UM4980is a vintage Socket 3 motherboard designed for 80486 processors, featuring the UMC chipset. It was popular in the mid-1990s as a versatile, "green" VESA Local Bus (VLB) board capable of supporting a wide range of 486 CPUs.

Key Features and Specifications:

Socket:Socket 3

Chipset:UMC UM8498/8496

Processor Support:Intel 80486SX/SX2/DX/DX2/DX4, AMD, and Cyrix 486 processors

Voltage Support:Supports 3.3V, 3.45V, and 5V CPUs

Bus Architecture:VESA Local Bus (VLB) (3 slots) and ISA slots

Memory:Max 64MB DRAM

Cache:128KB, 256KB, 512KB, or 1024KB (1MB)

Dimensions:254mm x 218mm

Performance and Capabilities:

FSB Speeds:Supports various frequencies including 25/33/40/50MHz, and is capable of handling 40MHz+ FSB.

Common Use:Frequently used for building DOS/early Windows 95 gaming machines, particularly due to its VLB support for fast graphics cards.