27 Jun
2005
27 Jun
'05
4:02 a.m.
On Wed, 22 Jun 2005 "Zane H. Healy" <healyzh at aracnet.com> wrote:
SCSI makes life easy, yes... :-)
I haven't tried a DVD, and I'm not sure I ever will. Can't really see the
point. :-)
I plan on getting a ZIP in there some day, though.
Johnny
Johnny Billquist || "I'm on a bus
|| on a psychedelic trip
email: bqt at update.uu.se || Reading murder books
pdp is alive! || tryin' to stay hip" - B. Idol
So tell me,
what are the really cool methods to transfer data between a
PC and a real PDP11 at a reasonable speed? SCSI controller and SCSI
disk? Something else? Ethernet?
Or is a backup over serial line a normal thing...?
It helps that I have SCSI Controllers on my operational PDP-11's. Ethernet using either TCP/IP or DECnet is another
option that I use to
transfer data, but I try to only use that for small amounts of data. One of
these days I plan to go wireless with my PDP-11. I'd also like to see if I
can't get a SCSI DVD-ROM drive running, but considering the difficulty with
getting a CD-ROM drive to work, I have some doubts on getting that to work.
Huh? You had problems getting a CD to work? I just plugged one in, and in
RSX I suddenly had a DU device of the type RRD40.
dev du:
DU0: Public Mounted Loaded
Label=RSX11MPBL87 Type=RA90
Shadow_set=(DU0:,DU1:) Cached
DU1: Public Mounted Loaded Foreign Type=RA90
Shadow_set=(DU0:,DU1:)
DU2: Public Mounted Loaded Label=RSXFREEV2 Nowrite Type=RRD40
Cached
DU3: Loaded Type=RA90
DU4: Loaded Type=RA90
DU5: Public Mounted Loaded Label=MALIN0 Nowrite Type=RA81
Cached
DU6: Offline Loaded Type=unknown
DU7: Offline Loaded Type=unknown
DU10: Offline Loaded Type=unknown
DU11: Offline Loaded Type=unknown
27 Jun
27 Jun
8:13 a.m.
Johnny Billquist wrote:
Huh? You had problems getting a CD to work? I just
plugged one in, and in
RSX I suddenly had a DU device of the type RRD40.
I think it depends on the SCSI adapter.
I have 2 RQDX1 adapters, and they are incredibly temperamental. I
haven't gotten either one to work with a CD-ROM. They want DEC drives,
although I've gotten non-DEC 4GB Seagates to work, and a TZ30. A TLZ06
or a TLZ07 will load RT-11 or BSD, but not RSX or the RSTS/E images that
are available on the 'net.
Doc
11:48 a.m.
Johnny Billquist wrote:
It isn't simply dependant on the SCSI adapter, but also on the version of
the firmware that the adapter is running. I'm familiar with the Viking (and
rebadged Viking) SCSI boards. If you're running older firmware you won't
get a CD-ROM working, with the latest some will. I've gotten the 2x DEC
CD-ROM drive (I can't remember is that the RRD-42?) working, and I've
had good luck with Plextor drives.
For the hard drives, I think I've actually had better luck with non-DEC
drives. I've standardized on 2GB Seagate Barracuda's, but also have a large
supply of 100MB and 200MB drives that were originally in some sort of IBM
PC.
My goal is to get to the point where I only use CD's for installing
software, but I doubt that's practical for layered products.
Zane
Huh? You had problems getting a CD to work? I
just plugged one in, and in
RSX I suddenly had a DU device of the type RRD40.
I think it depends on the SCSI adapter.
I have 2 RQDX1 adapters, and they are incredibly temperamental. I
haven't gotten either one to work with a CD-ROM. They want DEC drives,
although I've gotten non-DEC 4GB Seagates to work, and a TZ30. A TLZ06
or a TLZ07 will load RT-11 or BSD, but not RSX or the RSTS/E images that
are available on the 'net.
Doc
7118
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