[Simh] Which PDP-11 to choose
Johnny Billquist
bqt at softjar.se
Mon Jul 1 14:36:21 EDT 2019
Just as an FYI: An RP04/05/06 is 22" wide, if we talk about the whole
disk cabinet, and that is excluding the DCL side cabinet. The DCL added
another 9" for a total of 31 inch. An RP07 with side covers is 26.5 inch.
Johnny
On 2019-07-01 13:31, Clem cole wrote:
> 19” form factor for the disks drive fir the space in the 19” relay rack.
> You’re right the platters themselves were smaller. The disks were
> referred too by the mechanical FF. 19, 8, 5.25 etc.
>
> Sent from my PDP-7 Running UNIX V0 expect things to be almost but not
> quite.
>
> On Jul 1, 2019, at 12:07 AM, Eric Smith <spacewar at gmail.com
> <mailto:spacewar at gmail.com>> wrote:
>
>> On Sun, Jun 30, 2019, 19:37 Clem cole <clemc at ccc.com
>> <mailto:clemc at ccc.com>> wrote:
>>
>> You can use RH70 (massbus controllers) and just use the larger
>> (originally expensive) 19” disks from the early days.
>>
>>
>> 14 inch, but who's counting. :-)
>>
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--
Johnny Billquist || "I'm on a bus
|| on a psychedelic trip
email: bqt at softjar.se || Reading murder books
pdp is alive! || tryin' to stay hip" - B. Idol
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