Lenovo 7Y54, Руководство по обслуживанию

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System-board jumpers and buttons
The following illustrations show the location of the jumpers and buttons on the server.
Note:
If there is a clear protective sticker on the top of the switch blocks, you must remove and discard it to
access the switches.
Figure 10. System-board jumpers and buttons
Table 8. System-board jumpers and buttons
Jumper and button name Jumper setting / button function
1
Force XCC update jumper • Pins 1 and 2: Default
• Pins 2 and 3: Force the Lenovo XClarity Controller to
update to the latest version
2
NMI button
Press this button to force a nonmaskable interrupt (NMI)
to the processor. By this way, you can set the server into
blue screen mode and take a memory dump.
3
NCSI function • Pins 1 and 2: Default
• Pins 2 and 3: Disable
4
Power permission override jumper
• Pins 1 and 2: Default
• Pins 2 and 3: Override the power-on permission
Chapter 2
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Server components
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