Chapter 7 BIOS ROM
7.5.1
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 2.1 and the following structure types:
Type
Data
0
BIOS Information
1
System Information
3
System Enclosure or Chassis
4
Processor Information
5
Memory Controller Information
6
Memory Module Information
7
Cache Information
8
Port Connector Information
9
System Slots
10
On Board Device Information
12
System Configuration Options
13
BIOS Language Information
16
Physical Memory Array
17
Memory Devices
18
Memory Error Information
19
Memory Array Mapped Addresses
20
Memory Device Mapped Addresses
7-20
Compaq Deskpro EP Series of Personal Computers
First Edition - April 1998