DECMATE (VT-278 model) RX278 Floppy Drive Interface Connector cable wanted

Ethan Dicks ethan.dicks at
Wed Feb 19 16:15:07 CST 2020

On Wed, Feb 19, 2020 at 10:45 AM Bill Degnan <billdegnan at> wrote:
> On Wed, Feb 19, 2020 at 12:37 PM Bill Degnan <billdegnan at> wrote:
>> On Wed, Feb 19, 2020 at 11:15 AM Ethan Dicks via cctalk <cctalk at> wrote:
>>> On Wed, Feb 19, 2020 at 5:10 AM Chris Zach via cctalk
>>> <cctalk at> wrote:> Hm. I have the bulkhead 25 pin to 40
>>> pin interface thing from an RX02 in
>>> > a box, I'm not using it as I am going from the pdp11's RX01 straight to
>>> > the drive's controller. That should give you the pinout, want to borrow it?
>>> I already sent Bill the pinouts of both ends, but for the benefit of
>>> the list archives, the DB25-BERG end is documented at:
>>> -ethan
>> thanks Ethan...I saw this page but did not recognize that the pins were labeled to match what's in the 278 manual. One just has to match the label to the pin on the other end.

And for the DECmate end (since I forgot to post that the first
time)... it's documented in "ED-VT278-HR-001 DECmate System
Architecture Manual" in Figure F-2


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