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 |
| 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.
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