HP XW8400 User Manual

4. Insert and tighten the four CPU heatsink screws. First, tighten all of the screws partially so that the
CPU heatsink remains level. Next, fully tighten one pair of diagonally opposite screws (1), and then
fully tighten the remaining pair (2). Tighten firmly to a torque setting of 6 in-lb.
Figure 4-46 Identifying proper screw removal order
5. Connect the CPU heatsink fan connector to the system board (2) as shown in Figure 1–45.
Processor
Removing the processor
1. Disconnect power from the system ( Pre-disassembly procedures on page 53). Remove the access
panel (
Access panel on page 58) and the CPU heatsink (Removing the CPU heatsink
on page 86).
ENWW Removing and replacing components 89

HP XW8400 Specifications

General

Processor Speed	Up to 3.0 GHz
Chipset	Intel 5000X
Power Supply	800W
Form Factor	Tower
Processor	Intel Xeon (Dual-core or Quad-core)
Memory	Up to 32 GB DDR2
Storage	SATA or SAS Hard Drives
Graphics	NVIDIA Quadro
Expansion Slots	2 PCI Express x16, 2 PCI
Operating System	Windows XP Professional
Optical Drive	DVD-ROM
USB Ports	7 USB 2.0
Network	Integrated Gigabit Ethernet