Instruction manual

Chapter 1 General Information 3
Features
• Accepts any Intel, AMD, Cyrix, or other compatible processor
• Half-size ISA bus CPU card, fully 486SX/DX/DX2/DX4 compatible
• Built-in 128 KB secondary cache, up to 512 KB
• Up to 128 MB of on-board DRAM; supports 5V EDO DRAM
• Built-in IDE (AT bus) hard disk drive interface, floppy drive controller
• One RS-232 and one RS-232/422/485 selectable serial port; uses 16C550
UARTs with 16-byte FIFO
• One bi-directional parallel port
• 32 to 140
o
F (0 to 60
o
C) operating temperature
• Watchdog timer, software programmable from 2 to 32 seconds
(16 steps, 2 seconds per step)
• On-board keyboard connector and/or PS/2 mouse
• IDE HDD auto-detection
• Connectors for PC/104 module expansion
• Single +5V power supply
• "Green" function, supports power management