[comp.protocols.tcp-ip.ibmpc] Communication problems involving PC-Interface and

RAF@NIHCU.BITNET (Roger Fajman) (10/12/88)

> For the people who are having problems with Kermit and 3C501's: make
> sure that the 3C501 is not using the same interrupt vectors as your
> COM ports. COM1 uses interrupt 4; COM2 uses interrupt 3. Make sure the
> 3C501 isn't using 3 or 4 then. Interrupt 5 or 2 is probably safe,
> depending on what other hardware you've got installed.

Interrupt 5 is used by the hard disk on an IBM XT (but not AT).