PDP-11/45 RSTS/E boot problem
Fritz Mueller
fritzm at fritzm.org
Sat Jan 5 18:44:51 CST 2019
Hi Jerry,
> On Jan 5, 2019, at 4:06 PM, Jerry Weiss <jsw at ieee.org> wrote:
>
> Along those lines if you have a spare disk pack, try putting RT11(FB,XM) on the machine and give it a workout. This would exercise the machine a bit more than MAINDECS, though not as much as RSTS.
Yup, I have previously had RT-11 running on this machine without incident.
> • I believe you need a terminator in the RK11-C if the second disk bus is unused.
Yep, got that in there.
> • Try using the drive on the other bus if RSTS can be booted of from DK4.
Easy enough experiment to try; would need to re-jumper the G740 disk selection flip chip in the RK11-C too, I guess?
> • Make sure you only have one LTC active if a DL11-W and a KW11 are both in use.
Only a DL11-W in this system.
> • Don't leave the disk packs or drives near the tanks. The squid have good aim and their ink isn't kind to electrical devices.
Ah, haven’t checked that one yet. I will carefully check my basement for squid!
--FritzM.
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