Xvme Bios Functions - Xycom XVME-678 Manual

Chapter 5 - XVME BIOS Functions
5.2 MISCELLANEOUS FUNCTIONS
This category of BIOS functions accesses information about the module, including the module 10, front
panel LEOs, and Flash BIOS configurations.
5.2.1 Identify XVME Model
Within the system BIOS, a data table contains the module model number, the offset of the call entry point
for the XVME BIOS functions, and the base address of the
VM~bus
interface configuration and status
registers. When called, this function returns the value of these items in the data table. This information
can then be used by application software to determine the configuration of the module.
Int ISh
Function AFH
Call With:
Returns:
If error:
If successful:
5-4
Subfunction OOH
AH
=
AFH
AL
=
OOH
Carry Flag Set
AH
=
Error Code
01
=
"XY"
Carry Flag Clear
AH
=
0
01
=
"XY"
BX
=
Model number
CX
=
Offset of call entry point (segment of call entry point is FOOOh)
OX
=
Base
110
address of XVME registers