Specifications

210 AMD Geode™ GeodeROM Functional Specification
Miscellaneous Services
32087C
14.1.3 INT 11h - Equipment List
Description:
Returns a bit mask describing the devices installed in the system.
Passed:
None.
Returns:
Related Functions:
None.
14.1.4 INT 12h - Get Memory Size
Description:
Returns the amount of RAM present in the system (up to 640 KB).
Passed:
None.
Returns:
Related Functions:
None.
Return Description
AX BIOS equipment list WORD:
Bits [15:14] = Number of parallel ports installed
Bit 13 = Reserved
Bit 12 = Set if game adapter is present
Bits [11:9] = Number of serial ports installed
Bit 8 = DMAC present
Bits [7:6] = If bit 0 is set (1), this is the number of FDD(s):
00 = 1 FDD
01 = 2 FDDs
10 = 3 FDDs
11 = 4 FDDs
Bits [5:4] = Initial video mode
Bits [3:2] = Number of 64 KB banks of RAM
Bit 1 = 80x87 coprocessor installed
Bit 0 = FDD(s) installed, number specified in bits [7:6]
Parameter Description
AX Amount of usable RAM, in units of 1 KB