DSD 4120 qbus floppy controller

From: Tom Ponsford <tponsford_at_theriver.com>
Date: Thu Jul 8 10:33:07 2004

Hi All,

Digging through some more stuff. I found a DSD 4120 (NOT 4140) qbus floppy
controller connected to two half-height 5 1/4 mitsubishi 4853-1112U
flopppy drives. One of the floppy drives had a diskette that read:

Scotch 3M
744-0 Diskette
Single Head, Single side
soft sector, single density

A quick google didn't land any hits for the DSD 4120, but a few, including
bitsavers had info on the 4140, They appear to be very similiar, but with a
few differences. The 4140 is a RX02 controller.
Is this another RX02 clone?? It's a 5 1/4 " not 8" and the floppy drive itself
  is capable of over 700MB.
Could this be a RX50 clone??

Anybody senn one of these, any info??

Thanks


Cheers

Tom
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Received on Thu Jul 08 2004 - 10:33:07 BST

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