Western Digital WD1003-WA2 MFM Controller
View of Controller card.

  • J1: Floppy Drive Connector
  • J3: Hard Drive #1 Data Connector
  • J4: Hard Drive #0 Data Connector
  • J5: Hard Drive Control Connector
  • J6: HD Activity LED Connector

  • Default settings are in Bold or are selected by a .
    (E1-E6):Adapter Address
    Primary E2/E3 E5/E6
    Secondary E1/E2 E4/E5
    (Default is Primary.)

    (E7-E9): Floppy Drive Speed

  • (E7/E8): Dual Speed Floppy Support (300/360 RPM).
  • (E8/E9): Single Speed Only (300 RPM).
  • (*E10-E11): Grounding Options

  • Open for Seperate circuit & chassis grounds.
  • Jumpered for common ground.

  • The WD1003-WA2 is essentially a modern WD1002-WA2 with newer ICs replacing many of the descrete components. The WD1003-WA2 has no Low Level Format routine, so third party software is required. This controller is most happy with 2:1 or 3:1 interleaves.
    | 1003-WA2 | Home | Feedback |