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.
UEFI boot recovery jumper
(J29)
SW3 switch block
IMM recovery jumper
(J147)
SW4 switch block
P9
P9
The following table describes the jumpers on the Pass 9 level system board.
Table 6. Pass 9 level system board jumpers
Jumper number
Jumper name
Jumper setting
J29
UEFI boot recovery jumper
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.
Chapter 2. Installing optional devices
41
Summary of Contents for 79463AU
Page 1: ...IBM System x3550 M2 Types 4198 and 7946 Installation and User s Guide...
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Page 3: ...IBM System x3550 M2 Types 4198 and 7946 Installation and User s Guide...
Page 8: ...vi IBM System x3550 M2 Types 4198 and 7946 Installation and User s Guide...
Page 134: ...118 IBM System x3550 M2 Types 4198 and 7946 Installation and User s Guide...
Page 140: ...124 IBM System x3550 M2 Types 4198 and 7946 Installation and User s Guide...
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Page 142: ...Part Number 81Y6100 Printed in USA 1P P N 81Y6100...