HP Z400 - Workstation User Manual

Power button assembly
This section describes how to remove and install the power button assembly.
Removing the power button assembly
To remove the power button assembly:
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. Remove the front bezel (see
Removing the front bezel on page 75).
5. Disconnect the power button cable from the system board as shown next.
Figure 5-11 Disconnecting the power button cable
6. From inside of the chassis, push the tabs in from the chassis sides.
78 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