Testrom williams Level 3-7

[Andre Boot]

Maybe to anayone of use.
A link to the testrom I created for level 3 thru 7 Williams boards.
use with care I am not responsible if you blow anything using this rom
Binary file + 6802 sourcecode It can be found at.

http://home.planet.nl/~boot0112/home.html

It causes the LEDS on the MPU to flash 5 times for a stanalone MPU board
and it flashes 9 times if the driverboard is connected.

Every step is an IC

0X : MPU lockup
1X OP: IC 13 MC6810 RAM DEFECT
2X OP: IC 16 MC6810 RAM DEFECT
3x OP: IC 19 CMOS RAM DEFECT
4X OP: IC 18 PIA I DEFECT
5X OP: IC 11 PIA 2 DEFECT
6X OP: IC 10 PIA 3 DEFECT
7X OP: IC 5 PIA 4 DEFECT
8X OP: INTERRUPT CIRCUIT DEFECT (Need to make a jumper at 1j4 connector for
this test)
9X OP: IC 36 PIA 5 DEFECT (LEVEL 7 BOARD)

Bye,

Andre Boot

[Ray Johnson]

Andre Boot wrote:
>
> Maybe to anayone of use.
> A link to the testrom I created for level 3 thru 7 Williams boards.
> use with care I am not responsible if you blow anything using this rom
> Binary file + 6802 sourcecode It can be found at.
>
> http://home.planet.nl/~boot0112/home.html

Very cool! Good work- thanks for sharing this with us- very neat
indeed!....

--
Ray Johnson
Action Pinball & Amusement - Fully Restored Pinball Machines -
Salt Lake City, Utah - Sales, Parts, Service, Circuit Board Repair -
E-Mail: ray...@simsteel.com Finest quality, best service- guaranteed...

We're serious about pinball. Anything else is just for fun!