HP Z400 - Workstation User Manual

CPU
This section describes how to remove and install a CPU.
Removing a CPU
To remove a CPU:
1. Power down the workstation (see
Predisassembly procedures on page 69).
2. Disconnect power from the workstation (see
Predisassembly procedures on page 69).
3. Remove the side access panel (see
Removing the side access panel on page 72).
4. If your system has an airflow guide, remove it (see
Removing the airflow guide on page 92).
5. Remove the CPU heatsink (see
Removing the CPU heatsink on page 127).
6. Raise the CPU socket lever
and open the cover
2
as shown in the following figure.
Figure 5-71 Removing a CPU
CAUTION: Do not touch the CPU socket contacts or the gold pads underneath the CPU. Use
extreme care and handle the CPU only by the edges.
7. Pull the CPU straight out of the socket , and store the CPU in a static free container in a safe
place where it cannot be damaged
130 Chapter 5 Replacing components ENWW

HP Z400 - Workstation Specifications

General

Processor	Intel Xeon W3500 series
Chipset	Intel X58 Express
Memory	Up to 24 GB DDR3 ECC
Storage	Supports SATA drives
Graphics	NVIDIA Quadro or ATI FirePro series
Expansion Slots	2 PCI Express Gen2 x16, 1 PCI Express Gen2 x8
Power Supply	475W
Operating System	Red Hat Enterprise Linux