5 Apr
2005
5 Apr
'05
10:05 p.m.
On Apr 5 2005, 17:10, Brad Parker wrote:
I bought an RX01 8" drive and it has no drive electronics card on it.
I have an RX11 M7846 controller (host adapter).
I assume to make this work I need an electronics card on the RX01
drive
itself. The drive has what looks like mounting holes
for a PCB and I
the RX11 is way too simple so I assume there is something which bolts
onto the RX01 drive. And a ribbon cable between them. And a power
supply :-)
Yes, but perhaps not quite in the form you might expect. As Henk
mentioned earlier, there are two boards in an RX01 or RX02, and they're
both quite big -- they sit one above the other and each spans across
two drives. Not at all like SA800-style drives, which normally have
one PCB on the top of each drive. The power supply is mounted behind
the drives on a substantial chassis, to part of which the two PCBs are
also mounted (the upper one is hinged at the left hand side to provide
access to the lower one).
Your host adapter is little more than a parallel interface; it talks
over a 40-way ribbon cable (but less than half the pins are used) to
one of the boards on the RX02 unit which has a state machine to execute
various commands, and that board in turn connects via another ribbon
cable to the lower board, which has the amplifiers and so forth on it.
The head cables plug into this lower board.
AFAIK the drive mechanisms for an RX01 and RX02 are the same; only the
boards differ.
--
Pete Peter Turnbull
Network Manager
University of York