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Answer
TROUBLESHOOTING FOR KPG-36X AND KPG-46X
3. Enter the following commands and then start the Device Manager.
set devmgr_show_nonpresent_devices=1
cd c:\windows\system32
start devmgmt.msc
4. Click the "View" menu in the Device Manager, and then click "Show hidden
devices".
5. For Windows 7, and Windows 8.1: Right-click the unused port you wish to delete,
and then select "Uninstall".
For Windows 10: Right-click the unused port you wish to delete, and then select
"Uninstall device".
6. The "Confirm Device Uninstall" dialog box appears. Confirm the message, and if
you agree to proceed to the next step, click the "OK" button to delete the selected
port.
Be careful not to delete necessary devices.
Note:
◆ The administrative privilege is required to do the above operations.
Is KPG-36X or KPG-46X equivalent to the serial cable (KPG-22A, KPG-36A, KPG-
43A, or KPG-46A) in terms of the time required for writing and reading data?
If sliding the SW of KPG-36X or KPG-46X to [USB], the time required for
communication depends largely on the PC used.
Also, it may take longer if the firmware is written by using KPG-36X or KPG-46X and
the corresponding Fpro (Version 6.30 or later) or KFL (Version 1.22 or later).
Note:
◆ If sliding the SW of KPG-36X or KPG-46X to [USB], the baud rate configuration by
PC software is invalid and the value is fixed (12 Mbps).
5
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