Intel® Server Board S2600IP and Intel® Workstation Board W2600CR TPSPlatform Management Overview
Revision 1.1 77
Intel order number G34153-003
case, it will corrupt the flash where the old PIA section was. Because the Boot Recovery mode
is blindly writing binary data to flash, in this case, it will succeed.
There are two ways to enter Boot Recovery mode:
The Force Firmware Update jumper is asserted when A/C power is applied.
The operational code is corrupt and the boot loader cannot boot.
In the Boot Recovery mode, the BMC only responds to the small set of commands listed above.
Only the KCS SMS interface is supported; USB-based Fast Firmware Update is not supported.
4.6.3 Force Firmware Update Jumper
The Force Firmware Update jumper can be used to put the BMC in Boot Recovery mode for a
low-level update. It causes the BMC to abort its normal boot process and stay in the boot loader
without executing any Linux code.
The jumper is normally in the de-asserted position. The system must be completely powered off
(A/C power removed) before the jumper is moved. After power is re-applied and the firmware
update is complete, the system must be powered off again and the jumper must be returned to
the de-asserted position before normal operation can begin.
There is no boot–block-write protection jumper.
4.6.4 Fast Firmware Update over USB
The BMC supports a Fast Firmware Update mode in addition to the standard KCS SMS
interface. This is a special protocol that goes over the USB connection between the host and
the BMC.
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