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Before you begin
Before you begin to install options in the server, read the following information:
v Become familiar with the safety and handling guidelines specified under "Safety
v Make sure that you have an adequate number of properly grounded electrical
v Back up all important data before you make changes to disk drives.
v Have a small, flat-blade screwdriver available.
v For a list of supported options for the server, refer to
System reliability considerations
To help ensure proper cooling and system reliability, make sure:
v Each of the drive bays has either a drive or a filler panel installed.
v The cover is in place during normal operations.
v There is space around the server to allow the server cooling system to work
v Cables for optional adapters are routed according to the instructions provided
v A failed fan is replaced within one hour.
Rotating the stabilizing feet
The feet attached to the bottom cover rotate 90 degrees to provide additional
stability for the server.
44
Hardware Maintenance Manual: xSeries 220 Type 8646
Table 9. Switches 1 through 8
Switch number Switch description
8
Power-on password-override switch.
When toggled to the side that is opposite the default position,
bypasses the power-on password, if one is set.
7
Reserved.
6
Reserved.
5
Force power on.
4
Reserved.
3
Reserved.
2
Reserved.
1
Reserved.
information" on page 111, and read the safety statements in "Safety notices
(multi-lingual translations)" on page 115. 'These guidelines will help you work
safely while working with the server or options.
outlets for the server, monitor, and any other options that you intend to install.
http://www.ibm.com/pc/compat on the World Wide Web.
properly. Leave about 127 mm (5 in.) of space around the front and rear of the
server.
with the adapters.
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Table of Contents
Troubleshooting
