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.
Table 2. System-board jumpers
Jumper number
Jumper name
Jumper setting
J71
UEFI boot recovery jumper
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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System x3750 M4 Types 8722 and 8733: Installation and Service Guide
Summary of Contents for System x3750 M4 Type 8733
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Page 303: ...SAS cable guide Adapter SAS signal cable Chapter 6 Removing and replacing components 287...
Page 306: ...4x2 5 inch backplane 290 System x3750 M4 Types 8722 and 8733 Installation and Service Guide...
Page 308: ...8x2 5 inch backplane 292 System x3750 M4 Types 8722 and 8733 Installation and Service Guide...
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Page 694: ...Part Number 90Y4479 Printed in USA 1P P N 90Y4479...