have you tried a reboot of the Mac?
-- It is almost impossible to carry the torch of truth through a crowd without singeing somebody's beard. -George Christopher Lichtenberg, scientist and
philosopher (1742-1799)

On 10 Dec 2008, at 17:42, Grant Youngman wrote:

Done several times.  NO change.

Except now, I can test the port and got a good test at the right speed. The TX LED goes out, and the delta-F led comes on solid. WHen I try to upload firmware I get "K3 not responding". So it responds, then it doesn't.

I don't have a good feeling about this. Don't believe it's the computer port. It seems to be the radio.

It's the Mac version of the Utility.

Grant/NQ5T


On Dec 10, 2008, at 11:32 AM, Greg - AB7R wrote:

Grant,

Sounds like the communications with the COM port were lost. Shut down power on the radio...unplug the power cable if necessary and the RS232 cable. Reboot your computer. Reconnect the RS232 and power cable and start the utility program. Make sure its set for 38.4K baud rate and click the button on the ports tab to test communications. Then try to
load the firmware again.

-------------------------
73,
Greg - AB7R
Whidbey Island WA
NA-065


On Wed Dec 10  9:21 , Grant Youngman  sent:

Trying to put in 2.72.  Something crashed and caused a loss of
communication the initial attempt, and the radio is stuck in MCU LD.

Went through the procedure for forcing bootloads in the manual -- can
get to the red flashing TX LED, with MCU LD in the display (no
backlight).  But nothing past that.

Here is a sample of the Utility (1.1.10.17)  log:

11:10:24 K3 boot loader is ready for MCU firmware load. RS232 38400 bps.
11:10:24 New firmware is available for your K3
11:10:29 K3 boot loader is waiting for MCU firmware load.
11:11:01 K3 boot loader is waiting for MCU firmware load.
11:11:12 K3 boot loader is ready for MCU firmware load. RS232 38400 bps.
11:11:12 New firmware is available for your K3
11:11:30 K3 boot loader is ready for MCU firmware load. RS232 38400 bps.
11:11:30 New firmware is available for your K3
11:11:35 K3 boot loader is ready for MCU firmware load. RS232 38400 bps.
11:11:35 New firmware is available for your K3
11:11:46 K3 boot loader is waiting for MCU firmware load.
11:12:25 K3 boot loader is waiting for MCU firmware load."

It just sits at the "... waiting for MCU firmware load" point and
nothing happens. The port checks ok, with good communication to the
radio.  No yellow flashing led, ever.

Is there some other way to hard reset this thing to get it moving? Or
something else I missed in the manual?

Grant/NQ5T
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