System-Board Switches, Jumpers, And Buttons - IBM System x3750 M4 Type 8722 Installation And Service Manual
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Also See for System x3750 M4 Type 8722:
- Product manual (45 pages) ,
- Installation and service manual (882 pages)
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System-board switches, jumpers, and buttons
The following illustration shows the location of the switches, jumpers, and buttons
on the server.
Note: If there is a clear protective sticker on the top of the switch block, you must
remove and discard it to access the switch.
The following table describes the jumpers on the system board.
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System x3750 M4 Types 8722 and 8733: Installation and Service Guide
Table 2. System-board jumpers
Jumper number
J71
Jumper name
UEFI boot recovery jumper
Jumper setting
v Pins 1 and 2: (default)
Loads the primary UEFI
firmware ROM page.
v Pins 2 and 3: Loads the
secondary (backup) UEFI
firmware ROM page.
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Troubleshooting
