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Subject: second printer trouble
To: freebsd-questions@freebsd.org
Date: Tue, 12 Sep 2000 08:20:11 -0600 (MDT)
From: "Ross A Lippert" <ripper@plato.nmia.com>
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I'm having what I think is a hardware problem.

I have two parallel ports and two parallel devices: printer and
scanner.  However, I only seem to be able to print or scan from
lpt0.  (BTW for people with the Mustek EP III 600 plus, Jeff
Defou's primitive linux driver works great, but you need to be
on /dev/lpt0 with the scanner [or just wait for the next stable
SANE port]).

That is, with the printer plugged into lpt0
lptest > /dev/lpt0 
works, and with the printer plugged into lpt1
lptest > /dev/lpt1
sort-of works (sometimes prints pages of 1-lines junk,
sometimes does the test, sometimes needs a ff to joggle
it into doing the test).

Physically, /dev/lpt1 is on the motherboard and /dev/lpt0
is on an isa card.

Here is the section of dmesg which has to do with parallel
stuff:

ppc1: <Parallel port> at port 0x378-0x37f irq 7 on isa0
ppc1: Generic chipset (NIBBLE-only) in COMPATIBLE mode
ppi0: <Parallel I/O> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
plip0: <PLIP network interface> on ppbus0
ppc0: <Parallel port> at port 0x278-0x27f irq 10 on isa0
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/7 bytes threshold
ppbus1: IEEE1284 device found /NIBBLE/ECP
Probing for PnP devices on ppbus1:
ppbus1: <HEWLETT-PACKARD DESKJET 810C> MLC,PCL,PML
ppi1: <Parallel I/O> on ppbus1
lpt1: <Printer> on ppbus1
lpt1: Interrupt-driven port
plip1: <PLIP network interface> on ppbus1



-r


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