6 Apr
2013
6 Apr
'13
3:12 p.m.
I've been doing a bit with an 11/23+ setup and a few RL drives, and I've run into
something odd. I currently have select plugs 0, 1 and 3. If I plug in two drives, 0 and 1,
I can boot from either one, and once in RT11, I can access the other one. Easy. If I
connect two drives, 0 and 3, however - I can only use drive 0. All accesses to drive 3
result in an error. Can't boot from it, can't access it from RT11. Thinking that
maybe the plugs had to be in order, I connected only one drive, drive 1, and was able to
boot it and use it just fine. Then, swapping the 3 plug into that single drive, can't
boot from it.
And I've shuffled this plug around into a couple of drives, and none of them work with
it. There's no damage to the plug itself, and all the drives work otherwise.
Unfortunately, I don't have enough cables to connect more than two drives at once. I
also don't have a drive 2 plug to try.
And yes, I have a terminator.
Any ideas?
-Ian
6 Apr
6 Apr
4:50 p.m.
On Apr 6, 2013 4:03 PM, "Mr Ian Primus" <ian_primus at yahoo.com> wrote:
Regenerate the system with 4 supported RL units instead of the default of
2. See the System Generation Guide.
-Glen
I've been doing a bit with an 11/23+ setup and a few RL drives, and I've
run into something odd. I currently have select plugs 0, 1 and 3. If I plug
in two drives, 0 and 1, I can boot from either one, and once in RT11, I can
access the other one. Easy. If I connect two drives, 0 and 3, however - I
can only use drive 0. All accesses to drive 3 result in an error. Can't
boot from it, can't access it from RT11. Thinking that maybe the plugs had
to be in order, I connected only one drive, drive 1, and was able to boot
it and use it just fine. Then, swapping the 3 plug into that single drive,
can't boot from it.
7 Apr
7 Apr
1:38 p.m.
I've been doing a bit with an 11/23+ setup and a few RL drives, and
I've run into something odd. I currently have select plugs 0, 1 and 3.
If I plug in two drives, 0 and 1, I can boot from either one, and once
in RT11, I can access the other one. Easy. If I connect two drives, 0
and 3, however - I can only use drive 0. All accesses to drive 3 result
in an error. Can't boot from it, can't access it from RT11. Thinking
that maybe the plugs had to be in order, I connected only one drive,
drive 1, and was able to boot it and use it just fine. Then, swapping
the 3 plug into that single drive, can't boot from it.
And I've shuffled this plug around into a couple of drives, and none
of them work with it. There's no damage to the plug itself, and all the
drives work otherwise. Unfortunately, I don't have enough cables to
connect more than two drives at once. I also don't have a drive 2 plug
to try.
There is nothing 'odd' abotu the '3' select plug. The plugs have 2 taps,
one on each side, the edges of these tabs can either be plain or cut into.
THey oeprate swtich contacts in the ready lamp housing. One edge is
never cut, it indicates there's a plug in place. 2 other edges give the
drive number ina binary code (in fact, the other 3 edges can be used, but
the RL drive only wires up 2 of the contacts. RK06s and RK07s use the
same delect lplugs and can be numbered from 0 to 7)
WWaht happens if you put the '1' plug in the drive and try to access it
as drive 3? if that works, it suggests the controler is not outputting
the most signifciant select line.
I cna't remembr if the numbero f drives on a cotnrller has to be set when
SYSGENing RT11. If it does, it's posible your system is set u pfor 2
drives only.
-tony
4279
days inactive
4280
days old
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ard＠p850ug1.demon.co.uk -
glen.slick＠gmail.com -
ian_primus＠yahoo.com