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cp2012 [2018/09/14 23:00] (current) vk3smb created |
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+ | With so many people trying to program the PRM80 and such with a new computer with no legacy serial ports, time to look into it. | ||
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+ | The PRM80 FPP will refuse to read or write to the radio unless the Legacy Control pins, DSR and CTS are pulled high on the interface. Hence why Pins 4 and 6 are bridged and pins 7 and 8 are bridged on the Programming interface diagram that is floating around the internet. | ||
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+ | This Mod has been proven to work in conjunction with [[dosbox|DOSBox]]. Im not going to state that it will work directly with XP, as there are so many other variables. But on that note, I have been successful on a Genuine IBM only. | ||
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+ | This Documentation has been written about the Deal Extreme CP2102 converter P/N 152317. Other CP2102 units should work but you have to work it out for yourself. | ||
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+ | Have a look at the following picture and diagram, you have to bridge the pairs of pins to make this work. | ||
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+ | Afterwards, install the Virtual Serial port driver in Winblows. | ||
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+ | Then set the correct port in DOSBox as shown in the [[dosbox|Dosbox]] page | ||
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+ | Wire it up with the following diagram to your radio and it should work. | ||
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+ | {{ : | ||
+ | Note that the T and R pins are reversed on my drawing for clarity. |