System-Board Jumpers - IBM System x3250 M4 Installation & User Manual

System-board jumpers

The following illustration shows the jumpers on the system board.
ME flash override
jumper (JP 9)
The following table describes the jumpers on the system board.
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IBM System x3250 M4 Type 2583: Installation and User's Guide
BIOS boot backup
jumper (J 2)
Low security
jumper (J 19) P
TPM physical
presence
jumper (JP 10)
ME recovery
jumper (JP 8)
Clear CMOS
jumper (JP 1)
Table 2. System board jumpers
Jumper number
JP1
JP2
JP8
JP9
JP10
IMM SPI HALF ROM
P enable jumper (J 12)
TPM initialization Microprocessor
jumper (JP 11)
Jumper name
Clear CMOS jumper
BIOS block backup jumper
ME recovery jumper
ME flash override jumper
Trusted Platform Module
(TPM) physical presence
jumper
P
DIMM 4
DIMM 3
DIMM 2
DIMM 1
Jumper setting
v Pins 1 and 2: Keep CMOS
data (default)
v Pins 2 and 3: Clear CMOS
data
v Pins 1 and 2: Boot from
primary BIOS page
(default)
v Pins 2 and 3: Boot from
backup BIOS page
v Pins 1 and 2: Normal
(default).
v Pins 2 and 3: Activate ME
recovery.
v Pins 1 and 2: Normal
(default).
v Pins 2 and 3: Override ME
flash.
Pins 1 and 2: Enable TPM
physical presence (default)
Pins 2 and 3: Disable TPM
physical presence