IBM 7378, Руководство по диагностике и обслуживанию

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System board switches and jumpers
The following tables show the settings of the switches and the jumpers.
See Table 4 and Table 5 for information about the switch and jumper settings.
Table 4. System board jumpers
Jumper
number Jumper
name
Jumper setting
JP1 CMOS clear
v
Pins 1 and 2: Normal operation (default).
v Pins 2 and 3: Clears CMOS memory.
JP6 UEFI boot
recovery
v
Pins 1 and 2: Normal operation (default).
v
Pins 2 and 3: Enable the UEFI recovery mode.
JP7 Trust
Platform
Module
(TPM)
v Pins 1 and 2: TPM physical presence is asserted.
v Pins 2 and 3: TPM physical presence is not asserted (default).
Note: The physical presence requires manual setting on the
server to change the TPM configuration. The TPM is enabled
and physical presence is not asserted by default. The physical
presence needs to be asserted to activate, deactivate, clear or
change ownership of the TPM.
Note: If no jumper is present, the server responds as on default position.
Table 5. System board switch 6
SW 6 Switches Switch description
1 Reserved (default off)
2 Power-on password override when on. (default off)
3 Reserved (default off)
4 When this switch is off, the primary IMM firmware ROM page is loaded. When this switch is on,
the secondary (backup) IMM firmware ROM page is loaded. (default off)
Chapter 2. Introduction
17