10 Intel® Server System SR1520ML User’s Guide
Configuration Jumpers

The two Intel® Server Boards X38ML have the same jumpers.

Figure 7. Configuration Jumpers

Callout Location Jumper Name Jumper Purpose
A J1A4 iBMC Boot
Block Write
Protect
When pins 2-3 are jumpered, the iBMC boot block
is write enabled. When pins 1-2 are jumpered, the
iBMC boot block is write protected. Pins 1-2 should
be jumpered for normal operation.
B J1A2 BIOS
Recovery
Mode
When pins 2-3 are jumpered, the BIOS will be
recovered on the next boot. Pins 1-2 should be
jumpered for normal operation.
C J1A3 CMOS Clear When pins 2-3 are jumpered, the CMOS settings
will be cleared on the next boot. Pins 1-2 should be
jumpered for normal operation.
D J3A1 iBMC Force
Update Mode When pins 2-3 are jumpered, the iBMC firmware
will be updated on the next boot. Pins 1-2 should
be jumpered for normal operation.
E J6B1 Password
Clear When pins 2-3 are jumpered, the administrator
and user passwords will be reset on the next boot.
Pins 1-2 should be jumpered for normal operation.

C

B

A

E

D