13 Jul
2003
13 Jul
'03
4:39 p.m.
--- cvendel(a)att.net wrote:
Is there an adapter or converter to connect an RMxx
drive to a Vax 4000's
Qbus???
I seriously doubt it, even with a Qniverter.
I can only find references to the Massbus controller
and it was
meant for the 700 series unibus.
There's real MASSBUS for 700-series machines (i.e., 11/780, 11/750,
8600, but not 11/725 or 11/730)... 32-bit data path and everything.
There's the RH11 Unibus<->MASSBUS adapter, but it probably can't handle
the RM05 data rate - the RM02 is spec'ed for the RH11 (it rotates slower
than the RM03).
You could try a 22-bit Qniverter with an RH11, but I wouldn't hold my
breath. More than one device that works with uVAX-IIs and -IIIs
does not work in the 4000. We found that the hard way at work when
someone tried to use a TLZ04 drive in a VAX-4000 with a Qbus COMBOARD.
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Please edit the digest out of your messages. I got 52K in my overflowing
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-ethan