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Date: Thu, 30 Aug 2007 21:38:57 +1000 (EST)
From: Ian Smith <smithi@nimnet.asn.au>
To: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
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Cc: freebsd-questions@freebsd.org
Subject: Re: lpt attachment problem
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On Thu, 30 Aug 2007 08:07:54 +0200 (CEST)
Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> wrote:

 > when i set in BIOS my parallel port (it's IBM thinkpad T23 if it matters) 
 > to standard paraller port it is detected fine
 > 
 > ppc0: <Standard parallel printer port> port 0x3bc-0x3be irq 7 on acpi0
 > ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
 > ppbus0: <Parallel port bus> on ppc0
 > lpt0: <Printer> on ppbus0
 > lpt0: Interrupt-driven port
 > 
 > 
 > when it's changed it ECP mode with dma 0, ppc attaches fine too (detects 
 > dma etc), ppbus attaches fine bvut lpt doesn't show up. no errors just no 
 > messages.
 > 
 > any idea?

Only that it works fine on my T23 ..

 ppc0: <ECP parallel printer port> port 0x378-0x37f,0x778-0x77f irq 7 drq 0 on acpi0
 ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
 ppc0: FIFO with 16/16/8 bytes threshold
 ppbus0: <Parallel port bus> on ppc0
 plip0: <PLIP network interface> on ppbus0
 lpt0: <Printer> on ppbus0
 lpt0: Interrupt-driven port
 ppi0: <Parallel I/O> on ppbus0

I notice yours is at 0x3bc, LPT2 in DOS-speak; mine's at default 0x37f

FreeBSD version?  Here 6.1-RELEASE, and still with a fairly old BIOS.

Cheers, Ian