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172 RS/6000 43P 7043 Models 150 and 260 Handbook
6.6.4 Keyboard and Mouse Controller POST
The keyboard/mouse controller has a built-in Power-On Self Test, and the
firmware checks the result. If an error is detected, an 8-digit error code is
displayed. The error is written to the Error Log, and the system continues.
6.6.5 SCSI Subsystem POST
The SCSI POST opens the adapter and runs several test scripts that check
and exercise the various functions related to the chips on the integrated SCSI
adapter, such as DMA, simulated mailbox commands, and so on. If an error is
detected, an 8-digit error code is displayed, the error is written to the Error
Log, and the system continues.
6.7 System Management Services (SMS)
The SMS programs make it possible for you to view information about your
computer, run memory tests, and set the device from which the server will
boot.
By default, the firmware uses the serial port S1 to display logos, messages,
errors, and also as the interface to the SMS programs. If a supported
graphics adapter is installed in the machine, the firmware will redirect the
output to this adapter instead of the serial port. This means, if you have
installed a graphics adapter but you want to use an ASCII terminal attached
to serial port S1 as the console for the SMS programs, you will have to
remove the graphics adapter first.
The SMS programs provide two types of interfaces: a graphical user interface
(GUI) that can be used on a graphical display and an ASCII interface that can
be used either on an ASCII terminal or on a graphical display.
Note: The ASCII interface provides more functions than the graphical
interface.
The 8-digit POST error codes are listed and described in the Service Guide
for the corresponding PCI-based RS/6000 system:
RS/6000 7043 43P Series Service Guide,
SA38-0512
RS/6000 7043 Model 260 Service Guide,
SA38-0554
Note