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1 system id and rom type, 2 temperature status – HP DC5850 User Manual

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Technical Reference Guide

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:

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.

Table 8-3

System ID Numbers

System

(Form Factor)

System ID/

Subsystem Device ID

SFF

3029h

MT

3029h