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uda50, kda50, ra60, ra70, ra80, ra81, ra82, ra90, ra92, ruc25, rqc25, rc25,
rux50, rx50, rqdx1 format, rx50, rd51, rd52, rqdx2 format, rx50, rd32, rd51, 
rd52, rd53, rd54, rqdx3 format, rx33, rx50, rd31, rd32, rd51, rd52, rd53, rd54
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uda50, kda50, ra60, ra70, ra80, ra81, ra82, ra90, ra92, ruc25, rqc25, rc25,
rux50, rx50, rqdx1 format, rx50, rd51, rd52, rqdx2 format, rx50, rd32, rd51, 
rd52, rd53, rd54, rqdx3 format, rx33, rx50, rd31, rd32, rd51, rd52, rd53, rd54 DEC Hard Disk Drives

DEC Controllers, Formats, and Drives.


DEC Controllers, Formats and Drives.
DEC Controller: Disk Drives Supported:
UDA50 / KDA50 RA60, RA70, RA80, RA81, RA82, RA90, RA92
RUC25 / RQC25 RC25
RUX50 RX50
RQDX1 RX50, RD51, RD52
RQDX2 RX50, RD32, RD51, RD52, RD53, RD54
RQDX3 RX33, RX50, RD31, RD32, RD51, RD52, RD53, RD54



The RQDX controllers are:

Controller Format Description and Drives
M8639 or M8639-YA RQDX1 Q Winchester disk controller, DMA
RX50, RD50, RD51, RD52.



M8639-YB RQDX2 Q Winchester disk controller, DMA
RX50, RD50, RD51, RD52, RD53, RD54.



M7555 RQDX3-AA Q Controller and cables for
RX50, RX33, RD50, RD51, RD52, RD53, 
RD54, RD31, RD32



RQDXE-AA Q Disk drive bus extender for use
with RQDX2/3


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