SYSTEM BIOS

8.5 SMBIOS

In support of the DMI specification, 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 2.5 and the structure types listed in the following table:

 

Table 8-3

 

SMBIOS Functions

 

 

Type

Data

 

 

0

BIOS Information

 

 

1

System Information

 

 

2

Base board 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

 

 

24

Cooling Device Structure

 

 

27

Hardware Security Structure

 

 

31

Boot Integrity Service Entry Point

 

 

32

System Boot Information

 

 

✎System information on these systems is handled exclusively through the SMBIOS.

 

Technical Reference Guide

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