Jumperbelegung Adaptec AHA-1542B

                                AHA 1542 B

Die Adaptec-Karte hat 5 verschiedene Jumperreihen (s.u.).

   +----+----------------+--------------+--------------------+--------+
   |    |Floppy Anschluß |              |SCSI-Anschluß intern|      +-+
   |    +----------------+ +--------+   +--------------------+      |E|
   |                       |AHA-    |  ::::::::::::: J5             |x|
   |                       |1542B   |  ::::: J6                     |t|
   |                       +--------+                       ::      |e|
   |                                                        ::      |r|
   |                                                        ::      |n|
   |         +------+             :::::::: J8   +----+      ::      +-+
   |         |Mcode |       :::::::::::::: J9   |Bios|      J7        |
   |         +------+                           +----+                |
   |                                                                  |
   +-----------+            +---+                             +-------+
               +------------+   +-----------------------------+


    J5 General Control

       1 Synchronous Transfer negotiation eneble
       2 Diagnostics ( used only at Adaptec )
       3 SCSI Parity enable

       4  0 x 0 x 0 x 0 x
       5  0 0 x x 0 0 x x
       6  0 0 0 0 x x x x
          ---------------
          7 6 5 4 3 2 1 0  <-  SCSI Address

       7  0 x 0 x
       8  0 0 x x
          -------
          7 6 5 0  <- DMA Channel select, see also Jumper J9

       9  0  x  0  x  0  x
      10  0  0  x  x  0  0
      11  0  0  0  0  x  x
          ----------------
          9  10 11 12 14 15  <- Interrupt Channel select, see
                                also Jumper J9

      12  0   x   0   x
      13  0   0   x   x
          -------------
          5.0 5.7 6.7 8.0  <- DMA transfer Speed


    J6 BIOS / Auto Sense Control

       1 BIOS Enable
       2 not used
       3 not used
       4 not used
       5 Auto Sense disable

    J7 Address selection

       1 Floppy secondary address select

       2  0   x   0   x   0   x
       3  0   0   x   x   0   0
       4  0   0   0   0   x   x
          ---------------------
          334 330 234 230 134 130  <-  IO Port Address select

       5  0   x   0   x
       6  0   0   x   x
          -------------
          0   100 200 300  <- BIOS Waitstate [ ms ]

       7  0    x    0    x
       8  0    0    x    x
          ----------------
          DC00 CC00 D800 C800  <- BIOS Base Address


    J8 Floppy Disk Selection

       1 Floppy enable
       2 DMA-REQ 2
       3 DMA-REQ 3
       4 DMA-ACK 2
       5 DMA-ACK 3
       6 INT-REQ 6
       7 INT-REQ 10
       8 Dual speed enable


    J9 DMA / Interrupt Selection

       1 DMA-REQ 0
       2 DMA-REQ 5
       3 DMA-REQ 6
       4 DMA-REQ 7

       5 DMA-ACK 0
       6 DMA-ACK 5
       7 DMA-ACK 6
       8 DMA-ACK 7

       9 INT-REQ 9
      10 INT-REQ 10
      11 INT-REQ 11
      12 INT-REQ 12
      13 INT-REQ 14
      14 INT-REQ 15