HP Z800 Owners Manual

Installing the expansion card support
Insert the expansion card support tabs into the rear chassis slots , and then lower the support until it
clicks into place in the chassis 
2 as shown in the following figure.
Figure 5-9   Installing the expansion card support
ENWW Removing and installing components 79 

Right side panel
This section describes how to remove and install the right side panel.
Removing the right side panel
NOTE:Use this procedure to access the backplane wiring.
1.Disconnect power from the workstation (see Predisassembly procedures on page 73).
2.Remove the two T-15 Torx screws 
, and then slide the right side panel in the direction shown in
the following figure until it stops, and then lift off the chassis 
2.
Figure 5-10  Removing the right side panel
Installing the right side panel
To...

3.Pull out the power supply locking handle marked with the green label .
Use the handle to pull the power supply out of the chassis 
2 as show in the following figure.
Figure 5-11  Removing power supply
Installing the power supply
Slide the power supply into the chassis, keeping the handle completely open. When the power supply
handle engages the chassis, rotate the handle inward until it snaps into place to secure the power supply.
Speaker
This section describes how to remove and install the speaker....

4.Disconnect the speaker cable from the inline front panel I/O cable , and slide the speaker from
the chassis flanges 
2 as shown in the following figure.
Figure 5-12  Removing the speaker
Installing the speaker
To install the speaker, reverse the removal steps.
Side access panel sensor (optional)
The side access panel sensor is a switch that detects when the side access panel is opened.
This section describes how to remove and install the side access panel sensor.
Removing the side access panel sensor...

4.Disconnect the sensor cable from the inline chassis cable as shown in the following figure .
Figure 5-13  Removing the side access panel sensor
5.Slide the sensor back in its slot, push the sensor down, and then remove it from the chassis 2.
Installing the side access panel sensor
To replace the side access panel sensor, reverse the removal steps.
NOTE:The cable must be looped and stored in the cable clip provided to ensure it is not in the power
supply sliding zone.
ENWW Removing and installing...

Power connections
For help with identifying power cables, see the following figure and table. Ensure that all cables are
routed or tied so they cannot interfere with the processor heatsink fans.
Figure 5-14  Identifying the workstation power connectors for a typical configuration
Table 5-4  Workstation power connector description
ItemDescriptionItemDescription
P1Main powerP11Graphics power
P2Memory powerP21Power to main and drives
P3CPU powerP23Power to graphics
P4SATA powerP26Power to CPU and memory...

Front bezel
This section describes how to remove and install the front bezel.
Removing the front bezel
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 right side panel (see 
Removing the right side panel on page 80).
4.Remove the four T-15 Torx screws 
, and then remove the bezel from the chassis as shown in
the following figure 
2.
Figure 5-15  Removing the front bezel...

Front panel I/O cable assembly
This section describes how to remove and install a front panel I/O cable assembly.
Removing the front panel I/O cable assembly
1.Disconnect power from the workstation (seePredisassembly procedures on page 73 ).
2.Remove the side access panel (see 
Removing the side access panel on page 75).
3.Remove the expansion card support. (see 
Removing the expansion card support on page 77).
4.Remove the expansion card guide/front fan holder (see 
Removing the expansion card...

8.Remove the screw  and slide front panel cable I/O assembly down, then out of the chassis 2 as
shown in the following figure.
Figure 5-17  Removing the front panel I/O cable assembly
9.Disconnect the speaker cable (see Removing the speaker on page 81), and remove the tie wraps
that secure the front panel I/O cables to the chassis.
10.Carefully guide the front panel I/O cable assembly from the chassis.
ENWW Removing and installing components 87 

Installing the front panel I/O cable assembly
To install he front panel I/O cable assembly:
1.With power removed and the chassis open, guide the front panel I/O cable assembly cables through
the chassis openings from which they were removed.
2.Place the front panel I/O cable assembly in the chassis and slide it up into position as shown in the
following figure 
. Install the screw 2.
Figure 5-18  Installing the front panel I/O cable assembly
3.Connect the front panel I/O cable assembly cables to the...