Episode 4 in my piers rocks floppies rock series:

floppies rock ep 4

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I bought this 1571 as non-working off ebay - the seller said it had powered on just fine, and two minutes later went pop. In the process of fixing it I discover different points to connect neutral to on the PCB for 220V and 240V and operate it in double-sided mode with the C64.

Timestamps: 00:00 Intro 00:24 External inspection 00:51 Internal inspection 01:41 Replacement mains filter unit 01:58 Fix made 02:20 220V/240V 03:29 Power on test 04:24 Connected to a C64 05:02 Load Arkanoid II 05:56 Speed and alignment tests 06:45 Running in 1571 mode with the C64 09:33 Wrap-up

Problems with this drive:

  • Just one - that the incoming mains filter unit had gone short circuit (11 ohms across live/neutral). Looks like something exploded inside. Fix was to replace with a new filter unit and then the drive worked fine.
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