CAT48AF
486 CPU Card

Processor
486DX, DX2, DX4, up to 133MHz
Socket 3

Chipset
ALi 1487/1489

L2 Cache
Onboard 128KB, 256KB or 512KB of asynchronous SRAM

System Memory
Memory Capacity: 128MB
Memory Sockets: Four 72-pin SIMMs
Memory Types: FPM or EDO

Onboard I/O
SMC 37C665GT with:
1 Floppy Controller (2.88MB)
2 Serial Ports (16550 UART compatible)
1 Parallel Port (ECP/EPP)

Onboard IDE
2 Channels of Bus Master IDE ports for up to four IDE devices
PIO Mode 3 and 4 for up to 16.7MB/Sec
DMA Mode 2 for up to 22MB/Sec

BIOS
1Mbit flash EPROM with:
Plug and Play add-in card support
DMI support
APM 1.2

Watchdog Timer
Programmable Watchdog Timer:500ms or 1 Sec

Expansion Slots On a Backplane (TMC Part#: PBUS8A)
Four PCI slots
Five ISA slots

Board Size
Full AT Add-in Card Form Factor

PICMG Compliance
Fully compliant to PICMG standards


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