Specifications

134 AMD Geode™ GeodeROM Functional Specification
System Services
32087C
12.1.10.6 Subfunction 05h - Get Default NVRAM Value
Description:
Retrieves the default setting for a particular token. SeeTable 12-4 on page 136 for the format of the tokens.
Passed:
Returns:
Related Functions:
None.
12.1.10.7 Subfunction 06h - Get NVRAM Checksum
Description:
Returns currently stored checksum and attempts to calculate the correct checksum.
Passed:
Returns:
Related Functions:
None.
Parameter Description
AX BE05h
BX 4E53h (= ‘NS’)
CX Token
DH Media:
See "Subfunction 03h - Read NVRAM Data" on page 132
Parameter Description
CF 0 = Success
1 = Failure
DL Default value, or error code:
See "Subfunction 03h - Read NVRAM Data" on page 132
Parameter Description
AX BE06h
BX 4E53h (= ‘NS’)
DH Media:
See "Subfunction 03h - Read NVRAM Data" on page 132
Parameter Description
CF 0 = Success
1 = Failure
AL Calculated checksum
AH NVRAM checksum value
DL Default value, or error code:
See "Subfunction 03h - Read NVRAM Data" on page 132