Lenovo 3797 User Manual
Page 42
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Table
4.
Callout
descriptions
Jumper
name
Jumper
setting
1
UEFI
boot
recovery
jumper
(J29)
v
Pins
1
and
2:
Normal
(default)
Loads
the
primary
server
firmware
(formerly
called
BIOS)
ROM
page.
v
Pins
2
and
3:
Loads
the
secondary
(backup)
server
firmware
ROM
page.
2
IMM
recovery
jumper
(J147)
v
Pins
1
and
2:
Normal
(default)
Loads
the
primary
IMM
firmware
ROM
page.
v
Pins
2
and
3:
Loads
the
secondary
(backup)
IMM
firmware
ROM
page.
3
SW4
switch
block
(reserved)
4
SW3
switch
block
26
ThinkServer
RD220
Types
3729,
3779,
3797,
and
3798:
Installation
and
User
Guide
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