Jumper Blocks

7. Jumper Blocks

The server boards have several 3-pin jumper blocks that you can use to configure, protect, or recover specific features of the server boards.

The following symbol identifies Pin 1 on each jumper block on the silkscreen:

▼

Figure 28. Jumper Blocks (J1C3, J1F1, J1F2, J2F3, J2F2)

Table 56. Server Board Jumpers (J1C3, J1F1, J1F2, J2F3, J2F2)

Jumper Name

J1F2: BIOS Recovery

J1F1: Bios Default

(CMOS Clear)

Pins System Results

1-2 Pins 1-2 should be connected for normal system operation. (Default)

2-3

1-2

2-3

J2F2: ME Force 1-2

The main system BIOS does not boot with pins 2-3 connected. The system only boots from EFI-bootable recovery media with a recovery BIOS image present.

These pins should have a jumper in place for normal system operation.

(Default)

If pins 2-3 are connected when AC power unplugged, the CMOS settings clear in 5 seconds. Pins 2-3 should not be connected for normal system operation.

ME Firmware Force Update Mode

– Disabled (Default)

98 Intel order number G34153-003 Revision 1.2