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Update: HELP! //C needs CPR!
Just an update on my situation with my //c....
I had previously "spiked" my PDL 0 input (but not the PDL 1) with 13 volts of
unfriendly external power, causing PDL 0 to read 0 OR 255 and nothing in
between. I have since replaced the 556 chip and find that is not the problem.
The only things left are a cappacitor, a resistor, and *sigh* the IOU. This is
one of the three "biggie" chips; 40 pins, along with the CPU and MMU. Does
anyone have a dead //c that they would mind pulling the IOU chip out of? It is
one of only four chips on the board that is in a socket, and is not static
sensitive. Any help or information would be greatly appreciated!
thanks!
later,
Nathan