Re: CBM Drive Mechanisms

From: William Levak (
Date: 1999-08-10 18:46:16

On Tue, 10 Aug 1999, Nicolas Welte wrote:

> The documentation also says that some board versions (I think 250442)
> can be configured with a single jumper to be compatible with either the
> Alps or Newtronics drive. I don't own an Alps equipped 1541C myself,
> both of mine have a track 0 sensor equipped Newtronics drive. But one of
> them has the older board installed (250442, IIRC).

Board 250442 is the 1541A.  This is why it is necessary to check the board
number and not the model number on the case.

> I have both the Newtronics and the Chinon version of the 1541-II, you
> have to ask Ville himself about the Digital Systems version. The D500
> used in the 1541-II has different plugs than the D500 used in the 1541
> and 1541C. Also some D500 that were used in the 1541C were equipped with
> the optical track 0 sensor. But all drives were labeled D500, AFAIR. I
> will open up the 1541-II again, just to be sure.

The D500 on my 1541 says

    D500        R69-0001

Perhaps we need to include that extra information with Newtronics drives.

Could you also look for the model number on the Chinon?  Their labels are
usually on the side of the drive and easy to access.


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