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ATX POWER CONNECTOR/J1: For ATX factor style power supply
AT POWER CONNECTOR/J2: For normal AT style power supply
PS/2 Mouse J4: PS/2 mouse port. 5-pin Mouse:
COM1-2/J5-6: Support 16550 high speed serial ports/ UART.
LPT/J7: Printer port with ECP/ PP. bi-direction. It can be used with
external IDE/ SCSI device.
FDC/J8: Support 2 FDD up to 1.44MB or 2.88MB .
SCSI CONNECTOR/J9: AHA SCSI port
Wide SCSI CONNECTOR/J10: AHA Wide SCSI port
USB1: 4-PIN connectors. PIN-1: VCC(5V), PIN-2: USB-, PIN-3:
USB+, PIN-4: GND
IDE 1: Primary IDE port to support ATAPI Mode 5 IDE
devices
IDE 2: Secondary IDE port to support ATAPI Mode 5 IDE
devices.
4.6 I/O Address and IRQ/DRQ