Compaq Battery-Backed Write Cache Installation Instructions

Table 1: Battery Module LED Descriptions
Server status LED color LED status Battery module
status
Server is on and
has normal run
time
Green On Fast charging
Green Off Trickle charging
Amber On Short in the connection
of one or more of the
four button cells within
the battery module
Amber Blinking
Open in the circuit
between the positive
and negative terminals
of the battery module
Amber Off
Battery module status
is normal
Server is on and
is in the first 30
seconds after
power up
Amber
and green
On
Temporary lock out
state; data was lost
due to cable being
detached
Server is off and
is in data retention
mode
Amber
Blinking
every 15
seconds
User data held in write
cache is being backed
up
Installation Procedure
For further information about installation of the battery-backed write cache enabler:
Go to www.compaq.com/smartarray.
In the controller matrix, click the link for the array controller that is installed in your server.
Click the support and documentation link in the left menu bar or further down the page.
Procedure
1. Power down the server, disconnect the power cord, and open the server.
2.
Raise the expansion board retaining lever.