IEI Technology Rocky-3702EV User Manual page 7

• Multi-I/O Chip :
W83977, all I/O setup by BIOS
Two 16C550 RS-232C Ports
One EPP/ECP Parallel Port, Floppy Port
• Floppy disk drive interface : Two 2.88 MB, 1.44MB, 1.2MB,
720KB, or 360KB floppy disk drives.
• Two high speed Serial ports : NS16C550 compatible
UARTs
• Bi-directional Parallel Port
• Built-in LM78 Hardware Monitoring System to monitor
power supply voltage and fan speed status.
• IrDA port : Support Serial Infrared(SIR) and Amplitude Shift
Keyed IR(ASKIR) interface.
• USB port : Support two USB ports for future expansion.
TM
• ISAPLUS : Designed to enhance the ISA bus drive
capability
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• E Key : A special designed 1Kbit EEPROM (non volatile
memory) provided to accept read/write data by customer's
program. It is useful for storing system ID, Password and
other crucial data on the board.
• Watch-dog timer : Can be set by 1, 2, 10, 20, 110 or 220
seconds per period. Reset or NMI is generated when CPU
does not periodically trigger the timer. Your program uses
hex 043 and 443 to control the watch-dog and generates a
system reset.
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