Product recycling
HP encourages customers to recycle used electronic hardware, HP original print cartridges, and rechargeable
batteries.
For information about recycling HP components or products, see
http://www.hp.com/go/recycle.
Component replacement guidelines
This section provides information and guidelines for removal and replacement procedures. It does not
document the step-by-step procedures.
IMPORTANT: Removal and replacement procedures are now available in videos on the HP website.
Go to the HP Customer Self Repair Services Media Library at
http://www.hp.com/go/sml. In Media Selection,
choose the Desktops & Workstations product category and the Personal Workstations product family, then
choose your platform
This chapter provides guidelines for removal and replacement procedures.
Battery on page 48
Cable management on page 49
Processor and processor heatsink on page 50
Expansion slots on page 51
Hard drives and optical drives on page 59
Memory on page 65
Power supply specifications on page 69
System board on page 72
Battery
The battery that comes with the computer provides power to the real-time clock and has a minimum lifetime
of about three years. Observe the following warning and caution when replacing the battery.
WARNING! HP Z Series Workstations use lithium batteries. There is a risk of fire and chemical burn if the
battery is handled improperly. Do not disassemble, crush, puncture, short external contacts, dispose of in
water or fire, or expose battery to temperatures higher than 60°C (140°F).
CAUTION: Before removing the battery, back up the CMOS settings in case they are lost when the battery is
removed. Use Computer Setup (F10) Utility to back up the settings.
NOTE: Do not dispose of batteries, battery packs, and accumulators with general household waste.
48 Chapter 3 Component replacement information and guidelines
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