HP Xw4550 HP xw4550 Workstation - Service and Technical Reference Guide - Page 84

System fan assembly, access panel

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Table 4-4 HP xw4550 Workstation power connections (continued) Item Description Item Description 4 Power connector P8 to 13 second optical drive Power connector P1 to system board 5 First optical drive 14 PCI slot (shows optional IEEE 1394 PCI card with optional adapter cable connected to power connector P6) 6 Second optical drive 15 Optional graphics card (with power connection to system board graphics power connector P4) NOTE: Disables workstation integrated graphics capability when installed. 7 Power connector P9 to 16 diskette drive 6-pin system board connector P4 for graphics card auxiliary power cable. 8 Diskette drive 17 Workstation system board 9 Power connector P4 to first 18 hard drive 4-pin power connector P3 to system board P3 System fan assembly To remove the system fan assembly: 1. Disconnect power from the system (Predisassembly procedures on page 55) and remove the side access panel (Side access panel on page 59). 2. Disconnect the fan plug (1) from the system board. 76 Chapter 4 Removal and replacement procedures ENWW

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Item
Description
Item
Description
4
Power connector P8 to
second optical drive
13
Power connector P1 to
system board
5
First optical drive
14
PCI slot (shows optional
IEEE 1394 PCI card with
optional adapter cable
connected to power
connector P6)
6
Second optical drive
15
Optional graphics card
(with power connection to
system board graphics
power connector P4)
NOTE:
Disables
workstation integrated
graphics capability when
installed.
7
Power connector P9 to
diskette drive
16
6-pin system board
connector P4 for graphics
card auxiliary power
cable.
8
Diskette drive
17
Workstation system board
9
Power connector P4 to first
hard drive
18
4–pin power connector P3
to system board P3
System fan assembly
To remove the system fan assembly:
1.
Disconnect power from the system (
Predisassembly procedures
on page
55
) and remove the side
access panel (
Side access panel
on page
59
).
2.
Disconnect the fan plug (1) from the system board.
Table 4-4
HP xw4550 Workstation power connections (continued)
76
Chapter 4
Removal and replacement procedures
ENWW