Specifications
148 AMD Geode™ GeodeROM Functional Specification
System Services
32087C
12.1.10.19 Subfunction A2h - CPU Memory Register Read Int
Description:
Read a memory mapped offset from GX_BASE. This function is not defined in the Geode GX processor BIOS and
returns a 0 (success) in CF.
Passed:
Returns:
Related Functions:
None.
12.1.10.20 Subfunction A3h - CPU Memory Register Write Int
Description:
Write a memory mapped offset from GX_BASE. This function is not defined in the Geode GX processor BIOS and
returns a 0 (success) in CF.
Passed:
Returns:
Related Functions:
None.
Parameter Description
AX BEA2h
BX 4E53h ( = ‘NS’
ECX Register offset from GX_BASE
Parameter Description
EDX Register data
CF 0 = Success
1 = Failure
Parameter Description
AX BEA3h
BX 4E53h (= ‘NS’)
ECX Register offset from GX_BASE
EDX Register data
Parameter Description
CF 0 = Success
1 = Failure