[comp.sys.amiga] Cooper's Amiga

a45@mindlink.UUCP (Ken Cooper) (01/22/90)

I've spent the last several months building up my system.  I have an Amiga
A2000 with GVP's 4Mb 030 board.  Then a 286 BridgeBoard.  All the slots on
the  PC  side  are already filled.  I still have two other boards that are
NEEDED  on  the  PC  side.   I've  tried  a  hack whereby taking a dead XT
motherboard,  cut  it in half and ending up with 5 XT slots.  All backside
traces  were  cut.   I  then  attached  a  card  edge near one XT slot and
soldered  up  62  wires.  This new board was inserted into the leftmost PC
slot, with the 5 XT slots facing away from the Amiga.

It  just  about  worked.   At some point I realized that one of the boards
already  on  the  PC  side  had  to go on this extended bus.  It has an AT
connector, so now I'm going to have to start over again and find a dead AT
motherboard  (or  something  cleaner)  and try the same thing.  It will be
faster the second time around :)

Unless...

Someone  (maybe  the  tech  guys at CBM?) knows whether or not my new plan
would  work.   Perhaps  there  is an existing AT bus extender that I could
just buy?  I'm not adverse to cutting a hole in the side (I've already cut
a  hole in the top of my case to add a whisper fan to help keep the boards
cool.   Yes  I  know  I  can  go tomorrow and buy a PC with lots of slots,
however  I  have  a  4Mb  ATVista  board  with  4Mb  VMX,  4Mb AST Rampage
multi-function  board,  a  GPIB  board  for  use  with a Howtek 35mm slide
scanner  on  the  PC  side, and ImageLink and Caligari Broadcast Rendering
software  on  the Amiga side.  All these tools work together in the Amiga.
I  can  finally  make and transfer 24 bit Turbo Silver ray-tracings to the
Vista  Board.  I have TIPS, RIO and SCAN-IT, so there is a lot of graphics
power available to create images (I produce special effect photographs).

Has  anyone  already  tried to extend the bus on the PC side?  Anything to
watch  out  for?   Is  it possible?  Currently the VMX and GPIB boards are
sitting on the other table waiting to go to work.

Ken Cooper
Vancouver, BC.
(604) 681-2522
CIS: 73627,2334