This drawing shows the basic Zorro III PIC, with both Zorro III and the
 isa  bus fingers specified.  all of the dimensions are in millimeters.


        |<----------------------- 337.19 -------------------------->|
        |                                                 7.62 -->| |<--

  ----- +-----------------------------------------------------------+
  ^     |                                                         | |
  |     |---+                                         DIA 3.5 __    |
  |     |   |                                                   \---|
  |  -- |-o |                                                   |\| |
  |  ^  |   |                                                   | o-| --
  |  |  |---+                                                   | | |  ^
     |  |                                                       +---|  |
114.5|  |                                     10x12mm (3 PL) __/  | |
     |  |                                                           | 60
  |     |                                                         | |
  |100.5|                                                           |  |
  |     |                                                       +---|  |
  |  |  |                                                       | | |  v
  |  |  |                                                       | o-| --
  |  |  |                             47.38±0.1     81.0±0.1    |   |
  |  |  |       |<-- 129.26±0.1 -->|  |<----->|  |<---------->| +---| 22.4
  |  |  |       |                  |  |       |  |            |     |
  v  v  |                                                           |
  ----- +-------+ #              # +--+ #   # +--+ #        # +-----+ --
                | #              # |  | #   # |  | #        # |        ^
                +------------------+  +-------+  +------------+     |  |
                                                   |        |       |
                  |              |      |   |      |<-76.2->| 23.495|<--
                  |              |      |   |                       |
                  |              | 43.18|<->|<----- 109.855 ------->|
                  |              |                                  |
                  |<-- 124.46 -->|<------------ 165.735 ----------->|


                     Figure K-15: PIC with ISA Option