PCM-4894 REV A 2.2 - Aaeon PCM-4894 REV A 2.2 CPU Board. All-in-one 486 | LCD | Ethernet | 4 COMs

PCM-4894 REV A 2.2 - Aaeon PCM-4894 REV A 2.2 CPU Board. All-in-one 486 |...

Aaeon PCM-4894 REV A 2.2 CPU Board. All-in-one 486 | LCD | Ethernet | 4 COMs | 4 D I/O Simple Type: CPU Board

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General

BIOS: Award 128KB FLASH BIOS
Chipset: ALi 1487/1489
CPU: AMD 486DX5-133 (5X86-P75) SQFP
CPU type: Onboard SQFP
DMA: 7 DMA channels (8237 equivalent)
Enhanced IDE: Supports two IDE devices. Supports Bus Master mode with data transfer rate 33MB/sec.
FDD interface: Supports two floppy disk drives, 5.25" (360KB and 1.2MB) and/or 3.5" (720KB, 1.44MB, and 2.88MB)
I/O Chipset: Winbond 83877TF
Interrupt: 15 interrupt levels (8259 equivalent)
KB/PS2 Mouse connector: 8-pin connector supports PC/AT keyboard and PS/2 mouse
L2 Cache: Onboard 128KB L2 Cache. Could be upgraded to 512KB by factory
Memory: Onboard two 72-pin SIMM sockets support up to 128 Mbytes Fast Page or EDO DRAM
Parallel port: One bi-directional parallel port. Supports SPP, ECP, and EPP modes
Power management: I/O peripheral devices support power saving and doze/ standby/suspend modes. APM 1.1 compliant
Real Time Clock: Dallas DS-12887A or equivalents, powered by lithium battery for data retention
Serial port: Three RS-232 and one RS-232/422/485 serial port. Ports can be configured as COM1, COM2, COM3, COM4, or disabled individually. (16C550 equivalent)
Watchdog timer: Can generate a system reset, IRQ15, or NMI Software selectable time-out interval (2 sec. ~ 255 sec., 1 sec./step)