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8-6 www.hp.com Technical Reference Guide
System BIOS
8.4 Client Management Functions
Table 8-2 provides a partial list of the client management BIOS functions supported by the
systems covered in this guide. These functions, designed to support intelligent manageability
applications, are HP-specific unless otherwise indicated.
NOTE:
[1] Industry standard function.
All 32-bit protected-mode functions are accessed by using the industry-standard BIOS32 Service
Directory. Using the service directory involves three steps:
1. Locating the service directory.
2. Using the service directory to obtain the entry point for the client management functions.
3. Calling the client management service to perform the desired function.
The BIOS32 Service Directory is a 16-byte block that begins on a 16-byte boundary between the
physical address range of 0E0000h-0FFFFFh.
The following subsections provide a brief description of key Client Management functions.
Table 8-2.
Client Management Functions (INT15)
AX Function Mode
E800h Get system ID Real, 16-, & 32-bit Prot.
E814h Get system revision Real, 16-, & 32-bit Prot.
E816h Get temperature status Real, 16-, & 32-bit Prot.
E819h Get chassis serial number Real, 16-, & 32-bit Prot.
E820h [1] Get system memory map Real
E81Ah Write chassis serial number Real