Reference Guide

Chassis Information Group 77
System BIOS Characteristics
Name systemBIOSCharacteristics
Object ID 1.3.6.1.4.1.674.10892.1.300.50.1.12
Description Defines characteristics of the system BIOS. This attribute is a bit field
where a bit has the meaning defined below when set to 1 (one). Bit 63 is the
first bit in the value, and bit 0 is the last bit in the value. See the description
of DellUnsigned64BitRange at the beginning of this file for more
information on the format of the value.
Bits 48-63 need to be examined in the context of the system ID. The system
ID is available in the attribute chassisID. If the value for chassisID is
non-zero, bits 48-63 have the meaning defined below:
Bit Position Meaning if Set
-------------- ------------------
Bit 0 Reserved
Bit 1 Reserved
Bit 2 Unknown
Bit 3 BIOS Characteristics Not Supported
Bit 4 ISA is supported
Bit 5 MCA is supported
Bit 6 EISA is supported
Bit 7 PCI is supported
Bit 8 PC Card (PCMCIA) is supported
Bit 9 Plug and Play is supported
Bit 10 APM is supported
Bit 11 BIOS is Upgradeable (Flash)
Bit 12 BIOS shadowing is allowed
Bit 13 VL-VESA is supported
Bit 14 ESCD support is available
Bit 15 Boot from CD is supported
Bit 16 Selectable Boot is supported
Bit 17 BIOS ROM is socketed
Bit 18 Boot From PC Card (PCMCIA) is supported
Bit 19 EDD (Enhanced Disk Drive) Specification is supported
Bit 20 Int 13h - Japanese Floppy for NEC 9800 1.2mb (3.5 in,
1k Bytes/Sector, 360 RPM) is supported
Bit 21 Int 13h - Japanese Floppy for Toshiba 1.2mb (3.5 in,
360 RPM) is supported
Bit 22 Int 13h - 5.25 in / 360 KB Floppy Services are supported
Bit 23 Int 13h - 5.25 in /1.2MB Floppy Services are supported
Bit 24 Int 13h - 3.5 in / 720 KB Floppy Services are supported
Bit 25 Int 13h - 3.5 in / 2.88 MB Floppy Services are supported
Bit 26 Int 5h, Print Screen Service is supported
Bit 27 Int 9h, 8042 Keyboard services are supported
Bit 28 Int 14h, Serial Services are supported