Re: [PARPORT] parport_pc misidentifies SMC 37C951FR on Compaq Armada 1540DM + LS-120 problems

From: Joshua Jore (moomonk@rogue.electricgod.net)
Date: Wed Jun 20 2001 - 12:33:05 EDT

  • Next message: Alan Cox: "Re: [PARPORT] parport_pc misidentifies SMC 37C951FR on Compaq Armada"

    As I recall there isn't any ECP in linux right now. Work to get EPP going
    instead. And apply the patch at http://www.electricgod.net/~moomonk/epat
    to get your newer superdisk drive to work.

    Josh

    __SIG__

    On Thu, 21 Jun 2001, David Wilson wrote:

    > My Compaq Armada 1540DM running RH 7.1 appears to misidentify the
    > printer port. The Compaq Setup program identifies it as ECP, Win95
    > identifies it as ECP but parport_pc says it is:
    >
    > PC-style at 0x378 [PCSPP,TRISTATE,EPP]
    > cpp_mux: aa55f00f52ad51(00)
    > cpp_daisy: aa5500ff(00)
    > assign_addrs: aa5500ff(00)
    >
    > According to Compaq:
    >
    > The ISA bus supports the "MSIO" multifunction Super IO chip (the SMC 37C951FR
    > device, integrating an EPP/ECP parallel port, RS-232 serial port, Sir and Fir
    > serial IR, keyboard interface/power control chip, and BIOS interface), the
    > ESS1878 Audio chip, and the internal Modem.
    >
    > The Setup program does not allow changing the mode from ECP to anything
    > else so why does parport report EPP and not ECP?
    >
    > Also, I have two Imation external parallel port LS-120 drives. The first
    > is an old model (simple straight through cable, pass through port on rear
    > of drive) and works on the Armada using paride+epat+pf. The second is newer
    > and has an intelligent cable with printer pass through on the cable and a
    > 36 pin connector on the drive. This does not work under Linux on the Armada
    > but does with Win95 on the same machine. It does work with Linux using the
    > same modules as the older drive. Any ideas?
    > --
    > David Wilson School of IT & CS, Uni of Wollongong, Australia
    >
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