Help!!

I've been pulling my hair out for several weeks now trying to solve the
mysteries of why I'm having problems communicating between NetBSD-1.0 and a
Supra 28.8 Modem. Here's what I know so far:

	* I have two NetBSD-1.0 machines. One has a Quicktel Internal modem
          the other has an external Supra 28.8.

	* I also have two IDE/IO Controllers. One with 16450 ports, the other
          with 16550 ports. The Quicktel modem is 16550 also.

	* First off both modems are setup in harware handshake mode, and I've
	  tried several serial cables with the Supra.

	* Recently, I tried SLIP through the Supra w/ 16450 to download the
 	  "current" tar_files. I appears that the network locks after about
          20 min. I surmise this because Ethernet comm to this machine is 
          interfered with (very slow) and the RD light on the modem blinks
          once in awhile (leading me to believe the ftpd on the other end is
          saying "Well?") I need to reboot the machine to clear this. Various
          kills do not work. I reconfigured IP addresses and system names, and
	  started SLIP on the other machine with the Quicktel. So far it's
          doing great (Much further than the Supra.)

        * Much as I try and try, I connot get UUCP to communicate with the
          Supra connected to a 16550 port. It has to be a 16450 port. The
          symptoms I see with trying UUCP + 16550 + Supra are lots of bad
          packets until the com.c driver finally crahes. (bad packets reported
          in Debug from uucico) I know this sounds a lot like a flow control
          problem, but when I change the IDE/IO board to the 16450 ports, UUCP
	  works a ton better. Go figure.

	* This situation seems to be CPU independent. While working on this, I
          have also tried moving entire File Systems (IDE HD's) between
          machines. No effect.

Please forgive me for being wordy, I just want to make sure I paint a complete
picture. I've also included complete descriptions of both systems, and the
info dump from the Supra Modem. Any ideas are enthusiastically welcome,
especially since I've run out. :-) Thanks in Advance for any help you can
offer.

Gerry Simmons
simmons@darykon.wa.com

Machine #1:

	AMD 486/DX4-100
	32MB RAM
	Enhanced IDE/IO VLB w/ 16550
	2 Western Digital 420MB HDs
	Quicktel 14400/14400 Modem

Machine #2:

	Intel 486/DX2-66
	16MB RAM
	Adaptec 1542B SCSI
	Standard VLB IDE/IO w/ 16450
	2 Western Digital 540MB HDs IDE
	NEC 3X CDROM SCSI
	Archive 150MB 1/4" Tape
	Syquest 44MB Removable HD

Supra Setup: ( "at &v" dump)

ACTIVE PROFILE:
B1 E1 L0 M1 N1 Q0 T V1 W2 X4 Y0 %C3 %E0 %G1 -K1 &C1 &D2 &K3 &Q5 &R1 &S0 &X0 &Y0
S00:000 S01:000 S02:043 S03:013 S04:010 S05:008 S06:002 S07:050 S08:002 S09:006
S10:014 S11:095 S12:050 S18:000 S23:061 S25:005 S26:001 S36:007 S37:000 S38:020
S40:105 S41:131 S44:131 S46:138 S48:007 S91:010 S95:000 S109:062 S110:006 

STORED PROFILE 0:
B1 E1 L0 M1 N1 Q0 T V1 W2 X4 Y0 %C3 %E0 %G1 -K1 &C1 &D2 &K3 &Q5 &R1 &S0 &X0 
S00:000 S02:043 S06:002 S07:050 S08:002 S09:006 S10:014 S11:095 S12:050 S18:000
S23:063 S25:005 S26:001 S36:007 S37:000 S40:105 S41:131 S46:138 S95:000 

STORED PROFILE 1:
B1 E1 L0 M1 N1 Q0 T V1 W2 X4 Y0 %C3 %E0 %G1 -K1 &C0 &D2 &K3 &Q5 &R1 &S0 &X0 
S00:000 S02:043 S06:002 S07:050 S08:002 S09:006 S10:014 S11:095 S12:050 S18:000
S23:063 S25:005 S26:001 S36:007 S37:000 S40:105 S41:131 S46:138 S95:000 

TELEPHONE NUMBERS:
0=T22                                  1=
2=                                     3=

OK