Dilog DQ130 Rev D; s/n 60786

Pertec-style tape controller; DEC TM11 emulation (800/1600/3200 cpi)

  • Location: Quad spares box
  • Manufactured: May 1981 (8120)
  • Documentation: Hardcopy (1984)
  • Quad width
  • 18-bit bus only; unable to support 22-bit bus
Present configuration settings:
  • Start/Stop mode (vs. Streaming)
    • E1-E2, E3-E4 (by etch)
  • DEC mode, low-byte first (vs. IBM mode, high-byte first)
    • E13 ON (by etch)

Part of the Longmont pickup.


2016-08-05

Temporarily installed in Data Translation LAB DATAX (PDP-11/03) for testing.

Connected to DEC TS05 transport:

  • Is able to drive the mechanism
  • Unable to read or write properly

Connected to Cipher M891 transport:

  • Is able to drive the mechanism
  • Unable to reliably read or write properly

NOTE: internal configuration of each drive unknown/unverified at the time of testing, so performance results of this board are inconclusive.