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3 Desktop Management Interface
Accessing BIOS DMI Information
HP-Specific DMI Sub-Structure Structures
Type 80h: HP ID
Field
Offset
Length
Value
Description
Type
0h
1 byte
80h
HP ID information table
Length
1h
1 byte
6
Table length
Signature
02h
2
“HP”
Hewlett-Packard signature
PC ID
04h
1 byte
variable
PC Identification
Capabilities
05h
1 byte
BITMAP
Bit 7=1
➪
Tatooing supported
Bit 6=1
➪
PCMCIA device is present
Bit 5=1
➪
Infrared is present
Bit 4=1
➪
Two embedded serial ports
present
Bit 3=1
➪
Minitower (1) or Desktop (0)
Bit 2=1
➪
Embedded LAN present
Bit 1=1
➪
Using integrated video
Bit 0=1
➪
Supports HP LAN boot ROM
Type 81h: HP Configuration ID
Field
Offset
Length
Value
Description
Type
0h
1 byte
81h
HP Configuration table
Length
1h
1 byte
3
Table length
Serial/Parallel Count
02h
1 byte
variable
Bits 7-4
➪
Number of integrated parallel
ports
Bits 3-0
➪
Number of integrated serial
ports