diff options
| author | hpa <hpa> | 2002-06-17 16:10:15 +0000 |
|---|---|---|
| committer | hpa <hpa> | 2002-06-17 16:10:15 +0000 |
| commit | ac8df6db27137f44c91fe6d57233b62b226a18e0 (patch) | |
| tree | ab74d4aab98b3e934fce3347bbc846fc78b995dd /comboot.doc | |
| parent | 2600c93ff5c16b523e1a9d3a4506b3e9623d102d (diff) | |
| download | syslinux-ac8df6db27137f44c91fe6d57233b62b226a18e0.tar.gz | |
Add API call to determine the serial console configuration.
Diffstat (limited to 'comboot.doc')
| -rw-r--r-- | comboot.doc | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/comboot.doc b/comboot.doc index a677b540..032eed4b 100644 --- a/comboot.doc +++ b/comboot.doc @@ -1,4 +1,4 @@ -$Id$ + $Id$ COMBOOT and COM32 files @@ -363,3 +363,14 @@ AX=000Ah Get Derivative-Specific Information This call gives information specific to a particular SYSLINUX derivative. The value returned in AL is the same as is returned in DL by INT 22h AX=0001h. + + +AX=000Bh Get Serial Console Configuration + + Input: AX 000Bh + Output: DX Serial port I/O base (e.g. 3F8h = COM1...) + CX Baud rate divisor (1 = 115200 bps, 2 = 57600 bps...) + BX Flow control configuration bits (see syslinux.doc) + + If no serial port is configured, DX will be set to 0 and the + other registers are undefined. |