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Smbios – Compaq W4000 User Manual

Page 153

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Chapter 7 BIOS ROM

7.6.1 SMBIOS

In support of the DMI specification the PnP functions 50h and 51h are used to retrieve the
SMBIOS data. Function 50h retrieves the number of structures, size of the largest structure, and
SMBIOS version. Function 51h retrieves a specific structure. This system supports SMBIOS
version 2.3.1 and the following structure types:

Type Data
0

BIOS Information

1

System Information

3

System Enclosure or Chassis

4

Processor Information

7

Cache Information

8

Port Connector Information

9

System Slots

13

BIOS Language Information

15

System Event Log Information

16

Physical Memory Array

17

Memory Devices

19

Memory Array Mapped Addresses

20

Memory Device Mapped Addresses

31

Boot Integrity Service Entry Point

32

System Boot Information

128 OEM Defined Structure with Intel Alert-On-LAN (AOL) Information




NOTE: System information on these systems is handled exclusively through the
SMBIOS. The System Information Table (SIT) method (and it’s associated BIOS
functions) used on previous systems is no longer supported.



Compaq Evo and Workstation Personal Computers
Featuring the Intel Pentium 4 Processor

Second Edition - January 2003

7-16