2-14
Cisco UCS C420 Server Installation and Service Guide
OL-27640-01
Chapter 2 Installing the Server
Service DIP Switch
Service DIP Switch
This server includes a DIP switch on the I/O riser that you can use to recover from a corrupted BIOS.
This section includes the following topics:
•
DIP Switch Location on the I/O Riser, page 2-14
•
Using the BIOS Recovery DIP Switch, page 2-15
DIP Switch Location on the I/O Riser
The block of DIP switches is located on the I/O riser (see
Figure 2-5
). The default position for all
switches is open (down).
The I/O riser is the removable card that includes the rear-panel serial and VGA connectors. See
Figure 3-5
for the location of the I/O riser in the server.
Figure 2-5
DIP Switches on I/O Riser
1
DIP switch 2 for BIOS recovery
(shown in default open position)
1 2 3 4 5 6 7 8
1
SLO
T 2
SLO
T 1
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