Quantum Q540 as a RD52

From: Jerome Fine <jhfine_at_idirect.com>
Date: Tue Sep 22 14:46:19 1998

>Zane H. Healy wrote:

> I just checked the emulator images I've made of my XXDP+ packs. The RL02 pack
> has the ZRQC formater, the RL01 pack doesn't (big surprise it's from about
> '79). The next question is what is it expecting for input? Obviously I
> can't do anything while running under the emulator, but will be helpfull to
> know for when I put a RLV11 or RLV12 in the 11/23 that has a RQDX3 but no
> RDnn drives. Hopefully I can get that done tonite after work.
>
> BTW is there any problem with putting a RLV11 in a 22-bit system?

Jerome Fine replies:

If you are talking about a BA23 (the bottom five slots) OR a BA123
(the bottom 8 slots),

YOUR WILL PERMANENTLY DAMAGE THE RLV11 IN THAT
TYPE OF BACKPLANE.

I know, because I one did exactly that. The dual RLV11 board set MUST
BE INSTALLED IN an ABCD backplane which normally are only 18 bit.

> Here what happened when I ran ZRQCH0
>
> .RUN ZRQCH0
> ZRQCH0.BIN
>
> DRSSM-G2
> ZRQC-H-0
> RQDX3 Disk Formatter Utility
> UNIT IS Formattable Winchester (RDnn) or Floppy (RX33) Drives
> RSTRT ADR 145702
>
> DR>
>
> So what does it want for input? Don't know if this is a stupid question,
> but am asking since I've never actually used XXDP+ and I didn't get any
> documentation at all with the Packs, despite the fact that the rest had
> related Docs.

It wants you to type START

If you get that far, then ask again. But I must get this post to you ASAP
so you do not install an RLV11 dual board set in a BA23 (ABAB) portion
of the backplane.

Sincerely yours,

Jerome Fine
RT-11/TSX-PLUS User/Addict
Year 2000 Solutions for Legacy RT-11 Applications
(Sources not always required)
Received on Tue Sep 22 1998 - 14:46:19 BST