HP Z400 - Workstation User Manual

Installing a DIMM
To install the DIMM:
1. Power down the workstation (see
Predisassembly procedures on page 69).
2. Disconnect power from the workstation (see
Predisassembly procedures on page 69).
CAUTION: To prevent electrical damage to the DIMMs during removal or installation, power off
the workstation and unplug the power cord from the AC power outlet. Otherwise, the workstation
may not recognize the memory changes.
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. Push gently outward on the DIMM socket levers as shown in the following figure.
Figure 5-35 Opening DIMM socket levers
ENWW Removing and installing components 99

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