lpt attachment problem

Wojciech Puchar wojtek at wojtek.tensor.gdynia.pl
Thu Aug 30 06:25:07 PDT 2007


that's it. with 0x378, irq7, dma1 and ecp mode lpt attaches and prints 
just fine.
strange.

thank you!

On Thu, 30 Aug 2007, Ian Smith wrote:

> On Thu, 30 Aug 2007 08:07:54 +0200 (CEST)
> Wojciech Puchar <wojtek at 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
>
>


More information about the freebsd-questions mailing list