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1 System Overview
HP Kayak XU800 PC Workstation Overview
System Board
Connectors
• One flexible disk drive connector
• Two ATA-66 IDE connectors (for up to four IDE devices)
• One 16-bit Ultra 160 SCSI connector and one SCSI terminator.
The SCSI cable is routed from the SCSI connector on the system board
(located near the system switches) to the SCSI devices inside the chassis,
onto an onboard SCSI terminator (behind the processor), and finally onto the
external SCSI connector on the rear panel. The onboard SCSI terminator is
automatically deactivated when an external device is attached.
• One CD-IN audio connector
• AUX connector
• Internal speaker connector
• One WOL connector
• One status panel connector
• Two power supply connectors that must be connected
• Two fan connectors (one for the PCI fan, and one for the rear fan)
• One battery socket
The system board layout with all connectors can be found on page 28
.
Rear Panel Connectors
(color coded)
• 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
• External 16-bit U160m SCSI connector
• Audio
❒ Joystick/Dual MIDI connector
❒ LINE IN jack (3.5 mm)
❒ LINE OUT jack (3.5 mm)
❒ MIC IN jack (3.5 mm)
• Keyboard/Mouse
❒ HP enhanced keyboard with mini-DIN connector
❒ HP enhanced scrolling mouse with mini-DIN connector
• 25-pin parallel connector
❒ Mode: Centronics or bidirectional modes (ECP/EPP)
❒ Parallel port: 1 (378h, IRQ 7), 2 (278h, IRQ 5), or Off.
Feature Description