HP Z440, Z640, and Z840 Workstation Series …
HP Z440, Z640, and Z840 Workstation
Series
Maintenance and Service Guide
Copyright Information
Warranty
Trademark Credits
? Copyright 2014, 2016 HP Development
Company, L.P.
The information contained herein is subject to
change without notice. The only warranties for
HP products and services are set forth in the
express warranty statements accompanying
such products and services. Nothing herein
should be construed as constituting an
additional warranty. HP shall not be liable for
technical or editorial errors or omissions
contained herein.
Microsoft and Windows are U.S. registered
trademarks of the Microsoft group of
companies.
Third Edition: November 2016
First Edition: October 2014
Part Number: 748721-004
Windows 8: Not all features are available in all
editions of Windows 8. This workstation may
require upgraded and/or separately purchased
hardware, drivers, and/or software to take full
advantage of Windows 8 functionality. Go to
for details.
Windows 7: This workstation may require
upgraded and/or separately purchased
hardware and/or a DVD drive to install the
Windows 7 software and take full advantage of
Windows 7 functionality. Go to
for details.
Intel, Intel Xeon, and Thunderbolt are
trademarks of Intel Corporation in the U.S. and
other countries.
Bluetooth is a trademark owned by its
proprietor and used by Hewlett-Packard
Company under license.
ENERGY STAR is a registered trademark owned
by the U.S. Environmental Protection Agency
(EPA).
Red Hat is a registered trademark of Red Hat,
Inc. in the United States and other countries.
About this guide
This guide provides service and maintenance information, technical details and configuration guidance for the
HP Z440, Z640, and Z840 Workstations.
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 .
Guide topics
Hardware overview on page 1
System management on page 23
Component replacement information and guidelines on page 45
Diagnostics and troubleshooting on page 76
Configuring password security and resetting CMOS on page 99
Linux technical notes on page 103
Configuring RAID devices on page 106
System board designators on page 116
NOTE: View the HP Z440, Z640, and Z840 Workstation Series User Guide at
workstation_manuals.
iii
iv
About this guide
Table of contents
1 Hardware overview ........................................................................................................................................ 1
HP Z440 Workstation components ....................................................................................................................... 1
HP Z440 Workstation front panel components .................................................................................. 2
HP Z440 Workstation rear panel components .................................................................................... 3
HP Z440 Workstation chassis components ........................................................................................ 4
HP Z440 Workstation system board components .............................................................................. 5
HP Z440 Workstation system board architecture .............................................................................. 6
HP Z440 Workstation specifications ................................................................................................... 6
HP Z640 Workstation components ....................................................................................................................... 8
HP Z640 Workstation front panel components .................................................................................. 8
HP Z640 Workstation rear panel components .................................................................................... 9
HP Z640 Workstation chassis components ...................................................................................... 10
HP Z640 Workstation system board components ............................................................................ 11
HP Z640 Workstation system board architecture ............................................................................ 12
HP Z640 Workstation system board riser architecture .................................................................... 13
HP Z640 Workstation specifications ................................................................................................. 13
HP Z840 Workstation components ..................................................................................................................... 15
HP Z840 Workstation front panel components ................................................................................ 15
HP Z840 Workstation rear panel components ................................................................................. 16
HP Z840 Workstation chassis components ...................................................................................... 17
HP Z840 Workstation system board components ............................................................................ 18
HP Z840 Workstation system board architecture ............................................................................ 19
HP Z840 Workstation specifications ................................................................................................. 20
Environmental specifications .............................................................................................................................. 21
Ensuring proper ventilation ................................................................................................................................. 22
2 System management ................................................................................................................................... 23
Power management features .............................................................................................................................. 23
ERP compliance mode ....................................................................................................................... 23
Hyper-Threading Technology (HTT) .................................................................................................. 24
SATA Power Management ................................................................................................................. 24
Intel Turbo Boost Technology ........................................................................................................... 24
BIOS ROM ............................................................................................................................................................. 24
Computer Setup (F10) Utility ............................................................................................................................... 25
Computer Setup (F10) Utility functions ............................................................................................ 25
Accessing Computer Setup (F10) Utility ........................................................................................... 26
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