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TCL command "begin_memory_edit" is very slow


> Platform: Arria10 - OS: Windows 10 - Quartus Prime Pro 21.1

When I run the command "begin_memory_edit" from quartus_stp in command line, or from Quartus main GUI, it takes 20 seconds to return.

begin_memory_edit -hardware_name {Arria10 IDK [USB-1]} -device_name {@1: 10AS066H(1|2|3|3E2|4|4E2)/.. (0x02E050DD)}

After I can write memory as expected. I know that the board is fine because the same command takes less than one second on another setup (Linux).

I already reinstalled the complete  Quartus Prime Pro suite, including the drivers.

I don't know if this is related, but the driver "Alter USB-Blaster II (JTAG interface)" reports a strange warning:

Device USB\VID_09FB&PID_6010&MI_00\7&1f37ff1e&0&0000 was not migrated due to partial or ambiguous match.

Last Device Instance Id: USB\VID_0403&PID_6010&MI_00\7&f499cce&0&0000
Class Guid: {36fc9e60-c465-11cf-8056-444553540000}
Location Path: PCIROOT(0)#PCI(1400)#USBROOT(0)#USB(9)#USB(1)#USBMI(0)
Migration Rank: 0xF000FFFF00000023
Present: false
Status: 0xC0000719

Thanks for support.

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1 Reply

The mismatch is happened after Windows upgrade.

You can manually install it at your <local drive>\intelFPGA_pro\21.1\quartus\drivers\usb-blaster-ii