[4227] in RedHat Linux List
internal modem on thinkpad701?? -- need help
daemon@ATHENA.MIT.EDU (John Salmon)
Wed Nov 13 13:18:07 1996
Date: Wed, 13 Nov 1996 10:13:53 -0800
From: John Salmon <johns@sockeye.fishnet.caltech.edu>
To: redhat-list@redhat.com
Resent-From: redhat-list@redhat.com
Reply-To: redhat-list@redhat.com
Hi,
I've got an IBM Thinkpad701cs, running Rembrandt (with a handful of
upgraded rpms). I am trying to use the internal modem. As far as I
can tell, everything is in order. The bios tells me that the modem
is on COM3, and setserial reports the same PORT and IRQ for /dev/cua3
as the BIOS reports for COM3.
Unfortunately, minicom doesn't do anything at all, and worse, doesn't tell
me why. I.e., nothing I type gets echo'ed, and there are no reported errors.
Just for grins, I tried compiling ckermit from source -- hoping I might
at least get an error message. Sure enough, ckermit reports that /dev/cua3
is "not a terminal device". A little digging reveals that 'isatty()'
returns false for a file descriptor pointing to /dev/cua3. Strangely,
it returns true for /dev/cua0, so whatever is wrong is affecting cua3 only.
Any suggestions would be appreciated. FWIW, here's the output of
'stat' and 'setserial'.
Thanks,
John
[root@chinook /root]# stat /dev/cua3
stat /dev/cua3
File: "/dev/cua3"
Size: 0 Filetype: Character Device
Mode: (0660/crw-rw----) Uid: ( 0/ root) Gid: ( 14/ uucp)
Device: 3,2 Inode: 4135 Links: 1 Device type: 5,67
Access: Mon Dec 31 20:00:00 1979(06162.03:15:15)
Modify: Mon Dec 31 20:00:00 1979(06162.03:15:15)
Change: Tue Nov 12 19:38:09 1996(00001.03:37:06)
[root@chinook /root]# setserial /dev/cua3
setserial /dev/cua3
/dev/cua3, UART: 16550A, Port: 0x02e8, IRQ: 3
[root@chinook /root]#
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