21 Sep
1998
21 Sep
'98
4:28 p.m.
However, I just realized, I am trying to make this
overly difficult. I'm
wanting to use these drives on PDP-11's which means they need to be
formated on one. So the question I should really be asking is how to get
them formated on a RQDX3 that's in a PDP-11. The reason for trying to
format them on the VS2000 was just to make sure they worked (and for some
reason I was thinking it was a good idea, go figure).
Then what you want is the XXDP+ kit, and the ZRQC formatter.
Ah, well at least I know that at least one seems to be
good.
Megan Gentry
Former RT-11 Developer
+--------------------------------+-------------------------------------+
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+--------------------------------+-------------------------------------+
22 Sep
22 Sep
4 a.m.
However, I just
realized, I am trying to make this overly difficult. I'm
wanting to use these drives on PDP-11's which means they need to be
formated on one. So the question I should really be asking is how to get
them formated on a RQDX3 that's in a PDP-11. The reason for trying to
format them on the VS2000 was just to make sure they worked (and for some
reason I was thinking it was a good idea, go figure).
Then what you want is the XXDP+ kit, and the ZRQC formatter.
Megan Gentry
Former RT-11 Developer 
7:46 a.m.
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)
9589
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mbg＠world.std.com