COM4/IRQ2 w/FAS 2.08
Jose L. Gomez-Rubio
gomez at ENUXHA.EAS.ASU.EDU
Thu Feb 21 10:54:50 AEST 1991
Anyone know what it takes to make Xenix/386 2.3.2 COM4/IRQ2 serial port
to work? Meaning, I can talk with my modem at COM3/IRQ5 but not with
COM4/IRQ2.
I'm using FAS 2.08. I followed the instructions in the INSTALLATION notes
for using 4 ports for XENIX (editing /usr/sys/conf/master).
I've modified the fas_vec array to include vectors 0x4, 0x3, 0x5, and 0x9.
fas_port array is initialized as 0x3f8, 0x2f8, 0x3e8, 0x2e8. I've also
added MC_SET_OUT2 to the fas_mcb array, and an extra modem control flag to
fas_modem array. Same for fas_flow array. Extra zero added to fas_ctl_port
and fas_ctl_val array.
I've even modified /usr/sys/conf/io/sioconf for COM3 & 4.
Then ran ./link_xenix and ./hdinstall. FAS 2.08 recognizes the UARTs but
Xenix doesn't know about COM4/IRQ2.
Thanks for the help.
--
gomez at enuxha.eas.asu.edu
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