Guides
About
Previous
Up
Next
Dos Tables
Interrupts
DOS functions
DOS List formats
DOS Error codes
DOS Data Structures
Ports, EMS
I/O ports
EMS Error codes
Ansi control sequences
ASCII Chart
Line-Drawing Chars
Special Characters
Color Chart
Keyboard Codes
Hardware
8237A-5 DMA Controller
8259A Interrupt Controller
8253-5 Programmable Interval Timer
8255A-5 Programmable Peripheral Interface
Serial Communication (RS-232)
Net Bios
Video
Credits
Reserved
Entry:
AH = 4Ah
Note: Defined in EMS 3.0, but undocumented in EMS 3.2
See Also:
Errors