Re: [PARPORT] Castlewood ORB drive problems/questions
Sun, 12 Sep 1999 08:53:03 -0400 (EDT)

> I have just purchased an ORB drive and have experience difficulties in
> getting it to work with RH6 linux on my portable.
> The following was reported:
> paride: version 1.04 installed
> paride: on26 registered as protocol 0
> pd: pd version 1.05, major 45, cluster 64, nice 0
> parport0: PC-style at 0x378 [SPP]
> parport0: no IEEE-1284 device present.
> pda: on26: port 0x3bc, mode 0, test=(255,255)
> pda: on26: port 0x3bc, mode 1, test=(255,255)
> pda: 0x378 is parport0
> pda: on26: port 0x378, mode 0, test=(0,0)
> pda: on26: port 0x378, mode 1, test=(255,255)
> pda: on26: port 0x378, mode 2, test=(0,0)
> pda: on26: port 0x378, mode 3, test=(0,0)
> pda: on26: port 0x378, mode 4, test=(0,0)
> pda: Sharing parport0 at 0x378
> pda: on26 1.04, OnSpec 90c26 at 0x378, mode 4 (EPP-32), delay 1
> pda: , master, 0 blocks [0M], (49344/0/4112), removable media

These symptoms have been observed with some parallel ports if they are
set to EPP 1.7 rather than EPP 1.9 mode. Check your parallel port
CMOS settings.

> 1) Why doesn't it see the disk?

It does, but the adapter is not regenerating the ISA/IDE timing signals
quite correctly so the drive and the adapter lose sync with each other.

> 2) I have no other parallel port devices (I checked /proc/ioports) but
> when I load PARIDE it complains about unresolved references. Loading
> PARPORT first as I did above seems to work. Are there any disadvantages
> of having PARPORT loaded?

PARPORT gives you the ability to share parallel port devices on the same
port without loading and unloading the competing drivers (among other

PARIDE can be built to use or not use PARPORT. If it is built to use
PARPORT, then the parport modules must be loaded prior to loading the
paride modules.

> 3) Is it possible to have Linux running only from the ORB drive? Can I
> install Linux on the ORB and how do I boot to it?

The short answer is No. There is a much longer answer for brave souls
with nothing better to do with a few weeks of their time :-) You will
never be able to boot from it, however.

Grant R. Guenther

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