Lenovo System x3250 M4 - Page 37

(cy1cd021a)
DIMM 1
DIMM 2
DIMM 3
DIMM 4
Microprocessor
Clear CMOS
jumper (JP 1)
BIOS boot backup
jumper (J 2)P
TPM physical
presence
jumper (JP 10)
ME recovery
jumper (JP 8)
ME flash override
jumper (JP 9)
TPM initialization
jumper (JP 11)
Low security
jumper (J 19)P
IMM SPI HALF ROM
enable jumper (J 12)P
Figure5.Locationoftheswitches,jumpers,andbuttonsonthesystemboard
Thefollowingtabledescribesthejumpersonthesystemboard.
Table2.Jumpersdefinition
JumpernumberJumpernameJumpersetting
JP1
ClearCMOSjumper•Pins1and2:KeepCMOSdata
(default)
•Pins2and3:ClearCMOSdata
JP2
BIOSblockbackupjumper•Pins1and2:BootfromprimaryBIOS
page(default)
•Pins2and3:BootfrombackupBIOS
page
JP8MErecoveryjumper
•Pins1and2:Normal(default).
•Pins2and3:ActivateMErecovery.
JP9
MEflashoverridejumper
•Pins1and2:Normal(default).
•Pins2and3:OverrideMEflash.
JP10
TrustedPlatformModule(TPM)physical
presencejumper
Pins1and2:EnableTPMphysical
presence(default)
Pins2and3:DisableTPMphysical
presence
Chapter2.Installingoptionaldevices23