ROM differences between c64/1541 and SX-64

From: Ethan Dicks (
Date: 1998-06-20 23:50:23

I recently aquired an IDE interface for my C64 (IDE64).  It seems to
work fine, but there appears to be a problem with the built-in speed
loader in an SX-64.  I know the kernel ROMs are different, the question
here is, does anyone know the differences bettween a real 1541 and the
drive embedded in the SX?  I haven't yet torn it open to look because it's
a pain in the ass.  If someone knows off the top of their head, great;
otherwise, I'm going to have to tear my SX open.

As for the IDE64, it's pretty slick.  The IDE part worked the first time
I plugged it in.  I'm using an HP "Kittyhawk" 1.3" 20Mb IDE drive with it.
The drive is a fraction of the size of the interface!  This drive is smaller
than most cell-phone batteries.  

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