IBM 79463AU Installation And User Manual page 57

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.
SW3 switch block
The following table describes the jumpers on the Pass 9 level system board.
Table 6. Pass 9 level system board jumpers
Jumper number
J29
UEFI boot recovery jumper
(J29)
IMM recovery jumper
(J147)
SW4 switch block
Jumper name
UEFI boot recovery jumper
Chapter 2. Installing optional devices
Jumper setting
v Pins 1 and 2: Normal
(default) Loads the primary
server firmware ROM
page.
v Pins 2 and 3: Loads the
secondary (backup) server
firmware ROM page.
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