[Elecraft] K3 Load fails

[Paul Ferguson]

The driver I am using seems to be the latest. Device Manager says:
Prolific 9/30/2008 version 2.0.4.102

The sequence is always the same -- MCU Load completes and FPF load fails with 
the error I posted. 

I have the second receiver installed, but the load process does not get that 
far. I have been thru 10-20 firmware upgrades with no errors in the past.

73,
Paul 
K5ESW


> Do you have the upgraded drivers for the USB/serial converter?
> 
> 73, Guy.
> 
> ----- Original Message ----- 
> From: "Paul Ferguson" <Paul at PaulFerguson.us>
> To: <elecraft at mailman.qth.net>
> Sent: Thursday, June 18, 2009 9:05 PM
> Subject: [Elecraft] K3 Load fails
> 
> 
> >I have K3 #757. It was running fine on firmware 3.14. I tried to load the 
> >3.19
> > Beta version. The MCU load completed OK. It then failed on the FPF load 
> > with
> > the following messages:
> >
> > ---------------
> > FPF firmware file hfpf0100.hex verified
> > Erasing flash memory
> > Sending firmware file hfpf0100.hex to FPF
> > Send FPF firmware failed at load address x03C0
> > GetLastError returns 0xe2000012 "NACK retry limit has been exhausted" 
> > state 30
> > FPF firmware load failed
> > ---------------
> >
> > I powered off and tried again with the same results. I downloaded 3.19 
> > again
> > and got the same results. I then tried several times to reload my saved 
> > version
> > 3.14, but got the same error. The load address location is varies. I have 
> > seen
> > x03C0, x0380, and x0350.
> >
> > I am using Elecraft Utility ver 1.2.3.18 on Windows XP with the Elecraft 
> > USB to
> > RS232 cable.
> >
> > Any idea what to do next?
> >
> > 73,
> > Paul
> > K5ESW
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> 
>