UM0225 datasheet(54/57 Pages) STMICROELECTRONICS

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3 Designing with CAPS

UM0225

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To uninstall the JTD, go to the command line prompt and type,

>> JTDCFGW uninstall

This command uninstalls the fast JTAG driver from your system.

If you are unable to boot into Windows,

press and hold F8 immediately during boot up.

Select Safe Mode to skip loading the JTD driver.

On systems that continue loading JTD driver, boot into Safe Mode with command

prompt. Rename JTD.sys and JTDMSG.dll in the “WINDOWS\system32\drivers”

folder to prevent loading the JTD driver upon bootup.

Reboot into Normal mode and restore the above two file names before executing

“JTDCFGW uninstall.”

If you have not already installed PEP driver, go to CAPS subfolder “Drivers\Needhams”

and invoke INSTALL.BAT. If INSTALL.BAT does not exist, then go to your prompt

command line prompt and follow the steps below:

>> Run regpep

>> Copy pepnt.sys %windir%\system32\drivers\*.*

Go to the CAPS folder and update uPSDsoft.INI as follows:

[JTAG]

Driver=PEP

(indicates the PEP driver is used. OD indicates the JTD driver is used.)

Reboot your system.

D.2.3

Hyper-thread enabled system: using solution 1

Use the following steps to disable hyper-thread and use the fast JTD driver.

During power-on – Press F2 to enter CMOS setup.

Move to CPU Information.

Choose hyper-thread and toggle to disabled.

Save the configuration and continue with the boot process.

Follow the steps below to install JTD driver:

If you have not already intalled JTD driver, go to CAPS subfolder “Drivers\Flink” and

invoke JTDINSTALL.BAT.

Reboot your system.

D.2.4

Hyper-thread enabled system: using solution 2

Use the following steps to leave hyper-thread enabled and use the standard parallel port driver

(PEP). (Uninstall the JTD driver and install the PEP driver).

To uninstall the JTD, enter the following at the command line prompt:

>> JTDCFGW uninstall

If you are unable to boot into Windows,

press and hold F8 immediately during boot up.

Select Safe Mode to skip loading the JTD driver.

On systems that continue loading JTD driver, boot into Safe Mode with command

prompt. Rename JTD.sys and JTDMSG.dll in the “WINDOWS\system32\drivers”

folder to prevent loading the JTD driver upon bootup.

UM0225 Datasheet(PDF) 54 Page - STMicroelectronics

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