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 |
|
