HP Z800 Owners Manual

Removing and installing components
NOTE:This workstation supports many optional devices. If you do not find installation instructions for
your device in the following procedures, see 
http://hp.com/support/workstation_manuals.
This section includes these topics:
Topics
Component locations on page 70Power connections on page 84Memory fans on page 136
Disassembly order on page 72Front bezel on page 85Memory on page 138
Predisassembly procedures
on page 73
Front panel I/O cable assembly on page 86Expansion...

Component locations
The following figure and table describe the system board component layout.
Figure 5-1  System board component locations
Table 5-2  System board components ID
ItemComponentItemComponentItemComponent
1Memory fans14Main power27PCIe2 x16(8)
2Memory power15HDD LED28PCIe x8(4)1
3Memory sockets16SAS connectors29PCIe2 x16
4Crisis recovery jumper17Password jumper30PCIe2 x8(4)1
5CPU1 socket18Front USB31Rear system fan
6Flexible disk drive19Internal USB-132Audio
7 CPU1 fan 20 Internal USB-2/DASH...

ItemComponentItemComponentItemComponent
8Front system fan1 (top)21Power Button/LED/Spkr34Network/USB
9Front system fan2 (bottom)22Front 1394a351394a/USB
10CPU power23Front audio36Keyboard/mouse
11Battery24PCIe2 x16(8)37Serial
12Clear CMOS button25PCI 32/3338CPU0 socket
13 SATA connectors 26 PCIe2 x16 39 CPU0 fan
1Open-ended slot that allows installation of a x16 card.
NOTE:For related expansion card slot information, see Expansion card slot description
on page 144.
Table 5-2  System board components ID...

Disassembly order
For convenience, disassembly procedures should be followed in a particular order. Use the following
table to determine the sequence in which to remove major workstation components.
Table 5-3  Workstation component disassembly order
        
Predisassembly procedures on page 73
Cable lock (optional) on page 74    
Side access panel on page 75
  Airflow guide on page 76  
  Expansion card support on page 77   
 Right side panel on page 80  
  Power supply on page 80
  Speaker on page 81...

Predisassembly procedures
NOTE:Read Warnings and cautions on page 63 before servicing workstation components.
Perform the following steps before servicing a workstation:
1.Review the safety information and precautions in 
Warnings and cautions on page 63 and the Safety
and Regulatory Information for the workstation.
2.Locate and clear a suitable work area.
3.Close all open software applications.
4.Remove all diskettes, CDs, and DVDs from the workstation.
5.Shut down the operating system.
6.Power off the...

Cable lock (optional)
If a cable lock is installed on the workstation, remove it before servicing the workstation.
Unlock it and pull it out of the cable lock slot as shown in the following figure.
Figure 5-2  Removing the cable lock
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Side access panel
Before accessing the internal components of the workstation, you must remove the side access panel.
This section describes how to remove and install the side access panel.
Removing the side access panel
WARNING!Before removing the workstation side access panel, be sure that the workstation is
powered off and that the power cord is disconnected from the electrical outlet.
1.Disconnect power from the workstation (see Predisassembly procedures on page 73).
2.Remove locks that are present,...

Airflow guide
This section describes how to remove and install the chassis airflow guide.
Removing the airflow guide
1.Disconnect power from the workstation (see Predisassembly procedures on page 73).
2.Remove the side access panel (see 
Removing the side access panel on page 75).
3.Remove the airflow guide by lifting firmly on the handle at the green touch point 
, and then rotating
the airflow guide upward 
2 as shown in the following figure.
Figure 5-4  Releasing the airflow guide
4.Disengage the...

Installing the airflow guide
1.Disconnect power from the workstation (see Predisassembly procedures on page 73).
2.Remove the side access panel (see 
Removing the side access panel on page 75).
3.Insert the airflow guide tabs into the rear chassis slots 
, and then lower the airflow guide until it
clicks into place in the chassis 
2 as shown in the following figure.
Figure 5-6  Installing the airflow guide
4.Reinstall all removed components and reconnect any cables that have been disconnected.
Expansion...

3.Remove the expansion card support by lifting firmly on the handle at the green touch point , and
then rotating the support upward 
2 as shown in the following figure.
Figure 5-7  Rotating the expansion card support
4.Disengage the expansion card support tabs from the rear chassis slots , and then lift the support
from the chassis 
2 as shown in the following figure.
Figure 5-8  Removing the expansion card support
78 Chapter 5   Replacing components ENWW