VAX 11/730 quickie

Mark J. Blair nf6x at
Sun Feb 21 20:26:47 CST 2016

> On Feb 21, 2016, at 16:14, Mike Ross <tmfdmike at> wrote:
> On Mon, Feb 22, 2016 at 11:59 AM, Mark J. Blair <nf6x at> wrote:
>>> On Feb 21, 2016, at 14:41 , Mike Ross <tmfdmike at> wrote:
>>> Thanks for that. Are you able to provide confirmed working details &
>>> pinouts for the cable? IIRC it was just three wire; Rx/Tx/Gnd? Would
>>> help if I could have confirmed working setup there.
>> I'll need to dig inside my machine to verify the wiring; I'll try to remember to do that sometime today. I'm pretty sure that it's a simple 3-wire connection at 38400 baud.
> That's my understanding too - complicated by the fact that are two
> Tx/Rx pairs for the two drives IIRC...

I don't think that is the case. There is a single 3-wire UART interface between the console and the TU58 drive controller board. The single drive controller board runs both of the TU58-XA tape mechanisms.

Mark J. Blair, NF6X <nf6x at>

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