HP Z400 - Workstation User Manual

5. Remove the fastening screws from the I/O device assembly and remove it from the chassis as
shown in the following figure.
Figure 5-8 Removing the front panel I/O device assembly
6. Disconnect the front panel I/O device assembly cables from the system board as shown below.
NOTE: Z400s with 6 DIMM slots have an additional cable from the front panel to the 1394a card
that you must also disconnect.
Figure 5-9 Disconnecting the front panel I/O cables
7. Carefully guide the front panel I/O device assembly from the chassis.
76 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