Im starting this thread to figure out how to fix CF card stability issues on the original "zaxxon built" SIDE cart.
So far, at Flashjazzcat's suggestion, I have installed additional supply/ground paths to the (U3)3.3v regulator. This did not seem to improve anything.
Additionally, I added a .1uF cap across the output of the regulator, and this did seem to reduce the frequency of the incidents I was noticing.
The problems I am noticing with modern CF cards involve the card "freezing" with the access LED on, and SDX reports either (138 Device does not respond) or (139 Device NAK). The only way to "unfreeze" the card is to power cycle the machine. This behavior seems to happen intermittantly and the frequency seems to increase with increased CF card access..
Candle has stated in the U1mb/SIDE2 thread that there was a JEDEC update that adressed some timing issues with SIDE, but that he is unsure what version of the JEDEC that ZAXXON actually used on the production carts. I was one of the first people to recieve my SIDE cart from ZAXXON.. Almost a year before most others were shipped.
There needs to be a path by which we can resolve these issues. Those who ordered/recieved the SIDE cart waited a LONG time in most cases and "kept the faith" even though ZAXXON was having serious issues. To have them working unreliably at this point is really sad...
Suggestions?
So far, at Flashjazzcat's suggestion, I have installed additional supply/ground paths to the (U3)3.3v regulator. This did not seem to improve anything.
Additionally, I added a .1uF cap across the output of the regulator, and this did seem to reduce the frequency of the incidents I was noticing.
The problems I am noticing with modern CF cards involve the card "freezing" with the access LED on, and SDX reports either (138 Device does not respond) or (139 Device NAK). The only way to "unfreeze" the card is to power cycle the machine. This behavior seems to happen intermittantly and the frequency seems to increase with increased CF card access..
Candle has stated in the U1mb/SIDE2 thread that there was a JEDEC update that adressed some timing issues with SIDE, but that he is unsure what version of the JEDEC that ZAXXON actually used on the production carts. I was one of the first people to recieve my SIDE cart from ZAXXON.. Almost a year before most others were shipped.
There needs to be a path by which we can resolve these issues. Those who ordered/recieved the SIDE cart waited a LONG time in most cases and "kept the faith" even though ZAXXON was having serious issues. To have them working unreliably at this point is really sad...
Suggestions?