Linux is not very good at detecting the parallel port type and
will only catch up to Windows when PNPBIOS will be integrated
I wrote a little tool "lssuperio" to help to identify issues
with superio chipsets. For your type I don't have yet infos !
You can help by downloading
and sending me the output of "lssio -x" if you like.
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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This archive was generated by hypermail 2b29 : Wed Jun 20 2001 - 15:27:37 EDT