PDP-8/e rack questions

[Ethan Dicks]

On Mon, Jan 5, 2009 at 4:46 PM, Pontus <pontus at update.uu.se> wrote:
>
>> One drive TU56... interesting, didn't know those existed.  I've only
>> seen pictures of one drive TU55s, but clearly that's not what you have
>> (the unit selector switch gives it away).
>>
> It seems that the number of drives are optional, it is clearly room for
> one more drive, and there are holes ready for mounting the motors and
> another faceplate.

I have seen reference in handbooks to single-drive TU56s, but I have
only seen dual-drive units in the field up close and in person.

-ethan