Rescue update: DEC RC-25s + / was Re: DEC cartridge ID

ben bfranchuk at
Mon Jun 8 00:50:57 CDT 2015

On 6/7/2015 11:08 PM, tony duell wrote:
>> That should be trivial. I've never laid hands on an RC25, but there
>> must be a microswitch that detects when a cartridge is installed, and
>> is accessible for bodging...?
> Yes, and don't do it!
> In every fixed/removeable drive I have worked on (OK, never an RC25, but...)
> the heads for both the fixed and removeable disks are on the same positioner
> carriage. With the result that if you load the heads without a removeable
> cartridge in place, those heads will touch each other, which is a good
> way to ruin them.
> -tony
Is there no way to lock those heads in place?

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