Removing And Replacing The I/O Voltage Regulator Module; Removing The I/O Vrm - HP Integrity rx6600 User's & Service Manual

2. Replace the I/O board assembly. See
3. Reconnect the power cables and power on the server. See
4. Reset the server date and time using the EFI date and time commands.

Removing and Replacing the I/O Voltage Regulator Module

The I/O voltage regulator module (I/O VRM) is a stand alone component located on the I/O
board assembly that regulates voltage for all I/O operations.
WARNING!
from the server prior to performing this procedure.
Voltages are present at various locations within the server whenever an AC power source is
connected. This voltage is present even when the main power switch is in the off position.
Failure to observe this warning can result in personal injury or damage to equipment.
CAUTION:
ESD safety precautions can result in damage to the server.

Removing the I/O VRM

To remove the I/O VRM, follow these steps:
1. Power off the server and disconnect the power cables. See
(page 90).
2. If rack installed, slide the server completely out from the rack. See
the Rack" (page
3. Remove the top cover. See
4. Remove the I/O VRM cover
a. Locate the knurled thumbscrew on top of the I/O VRM cover and turn it counterclockwise
until the cover disengages from the chassis wall.
b. Lift the cover off the I/O VRM.
5. Push the extraction levers found on either side of the I/O VRM slot outward to the open position
to release the I/O VRM from the socket.
6. Grasp the I/O VRM by the edges and lift it out of the chassis
Ensure that the system is powered off and all power sources have been disconnected
Observe all ESD safety precautions before attempting this procedure. Failure to follow
176).
"Removing the Top Cover" (page
(Figure
"Replacing the I/O Board Assembly" (page
"Powering On the Server" (page
79).
Removing and Replacing the I/O Voltage Regulator Module 229
"Powering Off the Server"
"Extending the Server from
178).
(Figure 79).
225).
90).