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Amulet Hotkey K4u
+
Manual
6 After the update starts, the Update Progress dialog displays.
When the update completes, the final message reads
“Package copied successfully”.
Important!
Any user working on the source computer at
that time can also optionally cancel the update while it
is in progress. However, doing so may leave the K4u
+
in
an unstable state.
7 When the update completes, the K4u
+
automatically restarts.
Mouse Point notifies the user and validates the K4u
+
when it
restarts. If it detects a problem, it stops the firmware update;
this may leave the K4u
+
in an unstable state.
8 Finally, the update results are written to the local and
remote log files. See section 6. 7.
Also, the scheduledUpdateResult registry value indicates
the update outcome. Possible values are:
0 No firmware update performed yet
2 Firmware update not needed
3 Firmware update successful
4 Firmware update failed
5 User cancelled firmware update before it started
Find this value in the following registry key on the source
computer:
HKLM\Software\Amulet Hotkey
\USB updating results
8. 5 Firmware updates over a serial connection
(This method has been largely superseded by firmware updates
over a USB connection.)
The K4u
+
has a rear panel serial port that connects to the serial
port on the computer that you will use to drive the firmware
update (this is your source computer). Typically, your source
computer is a laptop which holds copies of the required
configuration utility and firmware files. You then connect the
laptop to your K4u
+
using a serial cable.
8.5.1 Update requirements
Before updating the K4u
+
firmware over a serial connection:
■ Save a copy of the configuration utility (k4u2.exe) on your
source computer. You can download this utility from the
Amulet Hotkey website:
a. Log in to the Support > Downloads page of the Amulet
Hotkey website, www.amulethotkey.com
b. Expand the Legacy products link
c. Download the following K4u zip:
K4u-K4vu_Test_Configuration_Application.zip
This zip contains the k4u2.exe configuration utility.
Note:
This utility is used to upgrade firmware on the K4u,
K4vu and K4u
+
products.
■ Connect your source computer to the K4u
+
rear panel serial
port using a direct M-F serial cable. If required, a suitable
cable is available from Amulet Hotkey Technical Support
(part no. CL-XX01-2014). See section 2. 2 for port details.
■ Verify that you have correct versions of the firmware
upgrade files. These files have .DLD and .K4U extensions.
They are typically listed in the ECN or CN document
associated with the firmware update. Contact Amulet
Hotkey technical support if in doubt.
You can save the firmware files directly onto your source
computer or in an accessible network folder.
8.5.2 Updating the K4u
+
firmware
Ensure that the K4u
+
is powered up with an external PSU
(power supply).
1 Run the configuration utility, k4u2.exe, on your source
computer.
2 Click the Find K4u/K4vu button.
The utility confirms whether it has found a K4u
+
.
3 Click the View Status button and note the existing firmware
versions on your K4u
+
.
4 Now run the firmware update. Depending on the type of
update required, you may need to run one, two or three
separate updates:
● If you need to update the bootloader firmware, go to
step 6 (These updates are rarely needed.)
● To update the processor firmware, go to step 7.
● To update the FPGA configuration, go to step 8.
5 Update the bootloader firmware:
a. Click the Update Firmware button in the K4u section.
b. In the Load Firmware dialog, browse to the required
.DLD file.
c. In the Confirm dialog, confirm the firmware details in
the LDROM file and click Yes to start the update.
The configuration utility shows update progress. The
update is typically very fast (just a few seconds). When
the update is complete, the left pane displays
“ISP completed successfully”.
d. Continue to step 7 to update the main processor
firmware.
Important!
If the update failed, the left pane displays
“ISP Failed”. Click the Exit button to quit the
configuration utility. Then retry the update process. If
the update continues to fail, contact Amulet Hotkey
technical support. Have the following information
ready: unit serial number, production version number,
ECN and CN numbers.
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