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65 posts

Master Geek
+1 received by user: 5

Topic # 60761 2-May-2010 20:56
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Hi all, first off thank you to everyone involved for the wealth of info and special thanks to forum members who have taken time to compile all this info in one place.

I've been trying to get my jaycar reader working with NewCS and need some help on this. 

- Win7 x64 (X2 5000+ / Core 2 Duo)
- Jaycar reader with Diode Mod and Inverse Mod
- Jaycar reader without any mods
- Sunix Serial PCI card
- USB to Serial (FTDI chipset) 
- Sun VirtualBox with ClearOS

I have built 2 readers, one with the two mods described above and one without. Both the builds have been tested using a magnifying lens to ensure correct resistor values including tests with a multimeter before and after soldering.


Both the readers seem to work the first time (First test after the build). i can get the keys off NewCS (1.65 on Core2 and 1.67RC1 on X2 w/ ClearOS). Once I removed the card and inserted it again, NewCS doesn't seem to work. Also the yellow LED is not fully bright. At this point all I get is "rest failed" messages. If I disconnect power (tested with 12 V plug pack and internal PSU power), insert the card first and then apply power, the yellow LED is bright and now instead of "reset failed" messages, I get "Card 0900 on Com1 failed".

My card is recent myS*yHdi NZ45XX. I have tried pulling the card out by 1mm but no luck there. As stated above, the reader worked out of the box the first time. I'm out of ideas.


- Has anyone experienced this before. Working the first time and not again?
- Does your yellow LED on the reader changes intensity when you pull out and re-insert the card?
- Any suggestions you might have which could help me resolve my issue. Thanks for reading.

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65 posts

Master Geek
+1 received by user: 5

  Reply # 329941 13-May-2010 22:15
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483 posts

Ultimate Geek


  Reply # 329961 13-May-2010 23:15
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NewCS likes to lock the serial port after being shutdown.

This prevents itself and any other app from getting access to the serial port.

You can fix it by either disabling/re-enabling the serial port after every restart or by rebooting every time you take the card out.

If you need to remove the card power down before you reinsert it. This will reset both the Jaycar reader and the serial port.

65 posts

Master Geek
+1 received by user: 5

Reply # 335947 28-May-2010 21:06
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Thanks Rusty.

I finally managed to get it to work. The issue was with the usb-> serial cable and the Sunix PCI serial card. I got hold of a DSE usb-> serial and I can confirm everything works on a Win7 x64 using NewCS 1.65 and 1.67 RC1 on a linux VM.


65 posts

Master Geek
+1 received by user: 5

  Reply # 338376 4-Jun-2010 20:47
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Hi all, a little embarrassed to admit this but the issue was with the serial cable. I had bought one off trademe for $4 and later when tried a "decent" cable, did not need the usb->serial adapter. In case any of you are having issues with your readers, make sure you test your cable first Embarassed

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