Specifications

AMD Geode™ GeodeROM Functional Specification 91
Human Interface Device Support
32087C
10.1.4 Function 03h - Set Keyboard Typematic Rate
Description:
Operating system modifiable typematic delay and rate.
Passed:
Returns:
None.
Related Functions:
None.
10.1.5 Function 05h - Insert Key Code In Keyboard Buffer
Description:
Adds a keystroke to the keyboard buffer and adjusts the pointer appropriately.
Passed:
Returns:
Related Functions:
None.
Parameter Description
BH Delay value in milliseconds:
00h = 250 msec
01h = 500 msec
02h = 750 msec
03h = 1000 msec
04h to 0FFH = Reserved
BL Typematic Rate (characters per second): No other values are supported.
00h = 30.0 06h = 17.1 0Ch = 10.0 12h = 6.0 18h = 3.7 1Eh = 2.1
01h = 26.7 07h = 16.0 0Dh = 9.2 13h = 5.5 19h = 3.3 1Fh = 2.1
02h = 24.0 08h = 15.0 0Eh = 8.6 14h = 5.0 1Ah = 3.0
03h = 21.8 09h = 13.3 0Fh = 8.0 15h = 4.6 1Bh = 2.7
04h = 20.0 0Ah = 12.0 10h = 7.5 16h = 4.3 1Ch = 2.5
05h = 18.5 0Bh = 10.9 11h = 6.7 17h = 4.0 1Dh = 2.3
Parameter Description
AH 05h
CH Scan code
CL Character
Parameter Description
AL 00h if buffer not full
01h if buffer full