SCSI Questions (Was: "Re: Purchased a Microvax 3800")

Johnny Billquist bqt at
Mon Dec 7 13:56:24 CST 2015

On 2015-12-07 20:36, Christian Gauger-Cosgrove wrote:
> On 7 December 2015 at 14:29, Johnny Billquist <bqt at> wrote:
>> I think all (modern PDP-11) OSes can install from TMSCP tapes. RSTS/E is
>> more picky than some others, though, if I remember right...
> Yes, RSTS/E installs from TMSCP just fine (as can RSX-11/M+); I know
> that in simh you can bring up Ultrix-11 3.1 only on TMSCP
> (specifically a TK50), at least if you want all of the packages to
> install. I've installed RSTS/E 10.1-L from MASSBUS, TS11, TM11, and
> TMSCP in my various experimentation with emulation, it really doesn't
> care what the tape is as long as your SYSGEN device is consistent.

Actually, RSTS/E have some issues with install if the tape isn't write 
locked. I thought it was some combo/confusion between TK50 and TK70, but 
it was the write lock issue that I sortof remembered...


Johnny Billquist                  || "I'm on a bus
                                   ||  on a psychedelic trip
email: bqt at             ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol

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