Subj : Re: XM1541 cable issues with HDD64 and SC
To   : Harry Potter
From : Pekka Takala
Date : Mon Aug 07 2017 06:54:39

On 06.08.2017 22:19, Harry Potter wrote:
> Hi!  I just got a XM1541 parallel cable in the mail at my mother's
> house and am having problems using it.  Under HDD64, a directory load
> locked up the system--until I turned off the real 1541 drive.  SC
> either said I couldn't use CBM drives or said it couldn't access the
> drive.  I'm going home later this afternoon, so I won't be able to do
> anything for a while, but any ideas would be appreciated.  BTW, it's
> a parallel cable, but I'm not quite sure which one.
>
The XM1541 cable is just a serial cable, but it attaches into parallel
port of the machine. There is four schottky diodes inside, and xm cable
is meant to support multitask. It works fine with SC, but not with
64HDD. It will work fine under cbm4linux or opencbm.

Also 64hdd does not support XM cable. It must be XE cable, that is same
as XM but two wires exchanged.

64HDD uses number 8 normally. If there is a cbm device with number 8 on
line, they will mix each other and wont of course work. So change the
64hdd to device 9 and so on if you want to use standard 1541 on line.

If you want to use SC with the 1541, DISCONNECT the c64 from line. If
connected it will not work.

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