Using COM3 under SCO XENIX
Karl-P. Huestegge
karl at robot.uucp
Sat Sep 22 13:04:36 AEST 1990
In <402 at tygra.UUCP> cat at tygra.UUCP (CAT-TALK Maint. Account) writes:
>XENIX wont be able to see the ports if they're not listed in the CMOS
>config.
Neither DOS nor XENIX holds any information about the COM ports
in CMOS.
DOS-BIOS supports only COM1 and COM2.
Xenix isn't interested in the COM-port BIOS routines. It has special
device drivers for the ports already built into the kernel.
The kernel support for COM3 and COM4 is just commented out in the
/usr/sys/io/sioconf.c - file.
Karl-Peter Huestegge
--
Karl-Peter Huestegge karl at robot.UUCP
Niedstr. 19 (karl at netmbx.UUCP)
1 Berlin Friedenau ..tmpmbx!einoed!utopia!robot!karl
+49 (0)30-851 81 98
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