RRD40 troubleshooting

[Wai-Sun Chia]

On Sun, 20 Mar 2005 14:50:54 -0000, Antonio Carlini
<a.carlini at ntlworld.com> wrote:

> Well the caddy is supposed to be a beige plastic "antlers" AND a
> transparent plastic  "case". If you only have one part, maybe that's
> your problem.

Yeah I'm caseless..... :-(

> 
> IIRC to insert the disc (which is held by the "antlers" inside
> the "case" you push the "case" into the drive "antlers" first.
> Then you withdraw the "case" and the "antlers" + CD stay inside.

Hmm...the antlers/CD were jammed inside with the antlers facing the
frontpanel/user...

> 
> The "antlers" have DATA written on one side - the CD data (non-label)
> side has to be on this side. The case is inserted with the CD label
> side uppermost.

Yup I saw that.

> 
> As the Haynes manual would say, "Extraction is the reverse of the
> above"
> 
> There are two LEDs on the front. The lower one indicates power present,
> the other indicates a CD inserted.

Power LED is fine.
I can get the CD present LED to light up but manually inserting the CD
in, so sensors should be OK.

> 
> >Anyway, my RRD40 I discovered unfortunately was nonfunctional *sigh*
> :-{
> 
> 
> From your description, you are obviously missing a case.

Err...you would have a case handy would you? :-}

> 
> 
> > p.s. I had hopes for the RRD40 to be a boot device for my u/VAXen...
> 
> If you have nothing faster (TU56, paper-tape etc. :-)) then it will
> happily work as a boot device for MicroVAX 3100 systems. It would
> probably work for MicroVAX I/II systems as well, if you have an
> appropriate interface card (either Qbus SCSI or a KRQ50).

Yeah I have the KRQ50...
Do you have the pinouts of the LMS interface connectors (10pin and
16pin) behind the CD?

/wai-sun