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Values for COMM-DRV error code

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Value Description

00h

no error

01h

buffer not set or attempted to change buffer for active port

02h

port not active

03h

transmit buffer full

04h

receive buffer full

05h

syntax error

06h

invalid buffer size

07h

invalid port

08h

handler changed

09h

invalid baud rate

0Ah

invalid parity setting

0Bh

invalid data length

0Ch

invalid number of stop bits

0Dh

invalid protocol number

0Eh

IRQ changed

0Fh

port changged

10h

invalid threshold setting

11h

invalid IRQ number

12h

interrupts not enabled

13h

invalid break syntax

14h

fatal error

15h

CTS error

16h

invalid RS232 I/O port address

17h

environment variable not set

18h

error on IOCTL call

19h

error during atexit cleanup

1Ah

error mapping for direct calls

1Bh

error opening device

1Ch

unable to allocate memory

1Dh

error on external micro card

1Eh

card changed error

1Fh

card type error

20h

not supported

21h

parent port error

22h

card command buffer full

23h

no subdevice for this port

24h

unknown error

25h

external card busy

26h

no more timers available

27h

INT 14 vector changed

28h

INT 08 vector changed

29h

DPMI error

2Ah

TSR buffer too small (or nonexistent)

2Bh

out of asynchronous resources

2Ch

out of timer resources

2Dh

out of "other" timer resources

2Eh

file I/O error

2Fh

hardware memory > 64K