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Free Tempest Non working smithtown area. msg me if interested. New Home.

hello, moved my defender and now missing the color green. its not a monitor issue swapped in a known good one. checked the 2n4403 trans, all three working. anybody familiar with how the color is processed on the williams boards? looking for a head start since i have little time to work on it...

Hello, having asteroids problems. program runs fine, but the vectors are messed up. the large asteroids are huge. ship is large, high score text is messed up. the game will play fine. had a high score kit on it removed it and burned new roms. fluke 9010 the roms all check out. ram test is giving...

hello, i did a cap, ic4, Q11, C36 new fly but im getting 168 volts at the pin 4 and on the neck board pin 3. before i start replacing the new parts what should i check. have not check the diodes thanks for any help I have gone over the board and I don't see anything that would step up the...

i had nothing better to do last night so i burned a timed set of centipede roms. plays the same, the only change was no 2-player start. has anybody ever done this, i thought it would end after 3 minutes.

Hello, centipede runs fine, but in test mode it displays 'H's all over screen. fluke reports bad ram at 0793 bts 8. im not good with hex, so how can i tell which is the bad ram out of the 8. btw two of the 'H's stay on the screen even in play mode. i have checked all the roms with my data i/o...

Hello, would like to buy a 6502 pod, thanks Bob