Western Digital Controller HD/FD/Ser/Par från HP Vectra

- 2HD(ST506/412), 2FD(DD&HD), 1 serieport(RS232), 1 parallellport.

  
          HD1    HD0      HD          FD   .-------------------------.
  .-----.-----..-----..--------.--.--------|     # #   == W3         |.--
  |     |mmmmm||mmmmm||mmmmmmmm|  |mmmmmmmm|    W1 W2  == W4       .==|.
  | ==                                                             |  ||
  | HD LED                   .-------.       .---.   .---.         `==|'
  | (lysdiod)                |       |       |   |   |   |         .==|.
  |                          |       |       `---'   `---'         |  ||
  |                          |       |               .---.         |  ||
  |                          `-------'               |   |         |  ||
  |                                                  `---'         `==|'
  `-------------------------------------mmmmnnnm--mmmmmnnnnnmnmmmmn..'|
                                        """"""""  """""""""""""""""   |
W1: .-.     Floppydisk Controller
    |4|     Primary Controller: Bygla pin 1+2
    |3|     Secondary Controller: Bygla pin 3+4
    |2|     Disable Controller: Bygla pin 2+3
    |1|
    `-'
W2: .-.     Hårddisk Controller
    |3|     Primary Controller: Bygla pin 1+2
    |2|     Secondary Controller: Bygla pin 2+3
    |1|     Manualen säger inget om att disablea HD-controllern.
    `-'
W3: .----.  Parallell Port
    |1234|  LPT1: Bygla 1+2 samt 5+6.
    |5678|  LPT2: Bygla 3+4 samt 7+8.
    `----'  Disable: Bygla 2+3 samt 6+7.

W4: .----.  Seriell Port RS 232
    |1234|  COM1: Bygla 1+2 samt 5+6.
    |5678|  COM2: Bygla 3+4 samt 7+8.
    `----'  Disable: Bygla 2+3 samt 6+7.

Default inställningar är: Primary HD, Primary FD, LPT1, COM1.

---Tomas Andersson