Int 2F Fn CB13 - Communicating Applications Specification - Get Diagnost [F]

AX = CB13h
DL = 00h

Return: AX = 0040h in progress
>= 0 passed
< 0 hardware-dependent failure code (see #2736,#2737)

See Also: AX=CB13h/DL=01h

Bitfields for Intel Connection CoProcessor failure codes:
Bit(s) Description (Table 2736)
3 9600 bps FAX modem module failed
2 SDLC chip failed
1 RAM failed
0 ROM checksum failed

Bitfields for Intel SatisFAXtion failure codes:
Bit(s) Description (Table 2737)
1 2400 bps data modem failed
0 9600 bps FAX modem failed