System BIOS
8.4.1 System ID and ROM Type
Diagnostic applications can use the INT 15, AX=E800h BIOS function to identify the type of system. This function will return the system ID in the BX register. Systems have the following IDs and ROM family types:
Table
System ID Numbers
System (Form Factor) | System ID |
|
|
USDT | 3648h |
|
|
SFF | 3646h |
|
|
CMT | 3647h |
NOTE: For all systems, BIOS ROM Family = 786G7.
The ROM family and version numbers can be verified with the Setup utility or the System Insight Manager or Diagnostics applications.
8.4.2 Temperature Status
The BIOS includes a function (INT15, AX=E816h) to retrieve the status of a system's interior temperature. This function allows an application to check whether the temperature situation is at a Normal, Caution, or Critical condition.
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