26 Nov
2000
26 Nov
'00
12:57 p.m.
Actually, you can _just_ get away with plugging it
into a 15 amp
circuit if you unscrew the L5-30P and replace it with a 5-15. I used
to do that all the time... I was told by one person that the L5-30
was for mechanical reasons, not for electrical (L5-20 is kind of
wimpy).
True, however I went with the 20 amp plug and wired the room with 4 20
amp circuits @110 volts and 1 30amp at 220 (for the tape truck). Looks
like I'll need another 220 for the second TU45 pretty soon.
Now onto the interesting thing: After a year of waiting, SETASI finally
contacted me about the RP08 drives they sell. Bad news is that they do
not support 18 bit transfers...
However they DO have a device that basically emulates 8 RS04's using
memory. The interesting thought is that it does this by plugging
directly into the RH11, in place of the three M5903 interface boards.
Now 8mb of storage isn't very interesting, but say 512mb of storage
(what, one DIMM?) would be *quite* interesting. Anyone got a manual
describing in detal how the RH11 works? This might be the trick to get
around the hellish MASSBUS timing issues. Just replace the whole MASSBUS
with a small CPU and a big pot of memory...
It has been done. And I for one would be quite happy to replace my disk
farm of 2 RM03's and 2 RM80's with a single Macintosh DIMM chip.
Chris