Adaptec ACB-2310/2312 ST412 (MFM) Controller
  • J1: Floppy Drive Connector (2312 only)
  • J3: Hard Drive #1 Data Connector
  • J4: Hard Drive #0 Data Connector
  • J5: Hard Drive Control Connector
  • J6: Hard Drive LED
    • Default settings are in Bold or are selected by a .
    J9: Options (Default is no jumpers)
  • J9(1): I/O Wait State Disable
  • J9(2): Track-1 ReCalibration, Step=35uS.
  • J9(3): Not Used.
  • J9(4): Serial Monitor Mode.
  • J9(5): Diagnostics Enable.
  • J9(6): Reserved.

    • J10: I/O Addresses

    J10(1/2): Floppy Drive
  • Open for Primary Address (3F0h).
  • Jumpered for Secondary Address (370h).
    • J10(4/5): Hard Drive
  • Open for Primary Address (1F0h).
  • Jumpered for Secondary Address (170h).

    • The ACB-2310/2312 is fully Software & Hardware compatible with the WD1003-WA2, but you are advised to do a Low Level Format to take advantage of the 1:1 interleave this controller offers.
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