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isa serial port adapter card no longer detectedworking

 
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Old 06-19-2007
isa serial port adapter card no longer detectedworking
hi all,

i've got an old PC with unix (SCO System V/386 rel. 3.2) on it.

Pentium I; 128mb; ISA 2-port RS232 serial adapter card for an oki dot-matrix printer. (no usb, no CD)

i've been running an old cobol program to do some invoicing and print reports.
some time back i changed the internal battery and since then i can no longer print to the oki printer.

i think it is unlikely that the isa adapter card has gone bad....
more likely, maybe some setting was lost in CMOS when i changed the battery...

any ideas, anyone......

PS:
i'm a relative newbie.

the guy who installed the unix is nowhere to be found and i do not have the installation disks. it is likely many programs had not been installed.

i have not been able to find another working isa serial adapter even for testing.
 
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LEARN ABOUT FREEBSD

ubsa

UBSA(4) 						   BSD Kernel Interfaces Manual 						   UBSA(4)

NAME

     ubsa -- USB support for Belkin serial adapters

SYNOPSIS

     To compile this driver into the kernel, place the following lines in your kernel configuration file:

	   device usb
	   device ucom
	   device ubsa

     Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):

	   ubsa_load="YES"

DESCRIPTION

     The ubsa driver provides support for the USB-to-RS232 Bridge chip used by a variety of serial adapters from Belkin and other vendors.

     The device is accessed through the ucom(4) driver which makes it behave like a tty(4).

HARDWARE

     The ubsa driver supports the following adapters:

     o	 AnyData ADU-500A EV-DO modem
     o	 AnyData ADU-E100A (no EV-DO mode support)
     o	 Belkin F5U103
     o	 Belkin F5U120
     o	 e-Tek Labs Kwik232
     o	 GoHubs GoCOM232
     o	 Peracom single port serial adapter

SEE ALSO

     tty(4), ucom(4), usb(4)

HISTORY

     The ubsa driver appeared in FreeBSD 5.0.  The uplcom(4) manual page was adopted from NetBSD by Tom Rhodes <trhodes@FreeBSD.org> in April 2002
     and modified for the ubsa driver by Alexander Kabaev <kan@FreeBSD.org> in October 2002.

AUTHORS

     The ubsa driver was written by Alexander Kabaev <kan@FreeBSD.org>.

BSD
								 November 20, 2011							       BSD