Lenovo ThinkSystem ST550 7X09, Maintenance Manual

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After installing the CMOS battery, do the following:
1. Complete the parts replacement. See “Complete the parts replacement” on page 178.
2. Start the Setup utility program to reset the date, time, and any passwords.
Serial port module replacement
Use this information to remove and install the serial port module.
Note: Depending on the model, your server might come with a serial port module.
Remove the serial port module
Use this information to remove the serial port module.
“ Read the
installation
Guidelines” on
page 59
“ Power off
the server
for this task”
on page 12
“ ATTENTION:
Static Sensitive Device
Ground package before opening”
on page 60
Before removing the serial port module:
1. If the server is installed in a rack, extend the server from the rack.
2. Remove the server cover. See “Remove the server cover” on page 68.
3. Remove the air baffle. See “Remove the air baffle” on page 72.
4. Remove the PCIe adapter retainer. See “Remove the PCIe adapter retainer” on page 116.
To remove the serial port module, complete the following steps:
Step 1. Disconnect the cable of the serial port module from the system board.
Step 2. Lift the serial port module out of the chassis.
Figure 92. Serial port module removal
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ThinkSystem ST550 Maintenance Manual