HP A7818-IE002 - Manual (Page 16)

System Overview
Workstation Description
Chapter 1 16
System Board
Connectors • One flexible disk drive connector
• Two ATA-100 IDE connectors (for as many as four IDE devices)
• One CD-IN audio connector
• Internal speaker connector
• WOL connector
• Battery socket
• Status panel connector
• Main power supply connector and ATX 12V power connector
• Auxiliary power connector (MT models only)
• Main chassis fan connector
• Processor fan connector
• PCI card fan connector
• Chassis intrusion connector
• Thermal sensor connector
Rear Connectors
(color coded) • Keyboard/Mouse
— HP enhanced keyboard with mini-DIN connector
— HP enhanced scrolling mouse with mini-DIN connector
• 25-pin parallel
— Mode: Centronics or bidirectional modes (ECP/EPP)
— Parallel port: 1 (378h, IRQ 7), 2 (278h, IRQ 5), or Off
• 9-pin serial (two, buffered)
— Standard: Two UART 16550 buffered serial ports
(both RS-232-C).
— Serial Ports A and B: 2F8h (IRQ 3), 2E8h (IRQ 3),
3F8h (IRQ 4), 3E8h (IRQ 4), or Off
(if one port uses 2xxh, the other port must use 3xxh).
• Dual USB connectors
• Audio
— LINE IN jack (3.5mm)
— LINE OUT jack (3.5mm)
— MIC IN jack (3.5mm)
Feature Description