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Cisco UCS C240 M4 Server Installation and Service Guide
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Chapter 3 Maintaining the Server
Service DIP Switches
Service DIP Switches
This section includes the following topics:
• DIP Switch Location on the Motherboard, page 3-74
• Using the BIOS Recovery DIP Switch, page 3-75
• Using the Clear Password DIP Switch, page 3-77
• Using the Clear CMOS DIP Switch, page 3-78
DIP Switch Location on the Motherboard
See Figure 3-36. The position of the block of DIP switches (SW8) is shown in red. In the magnified view,
all switches are shown in the default position.
• BIOS recovery—switch 1.
• Clear password—switch 2.
• Not used—switch 3.
• Clear CMOS—switch 4.
Figure 3-36 Service DIP Switches
1 DIP switch block SW8 3 Clear password switch 2
2 Clear CMOS switch 4 4 BIOS recovery switch 1
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FAN 05FAN 06
FAN 04
FAN 0 3
FAN 02
FAN 01
CPU 1
CPU 2
SD1
SD2
Riser 2
Riser 1
1
1 234
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3
4
2