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T23 with Windows 2000 - unknown device - SOLVED

T20-T23 Series and T30. NOT for T25-Retro.
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Edward Mendelson
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T23 with Windows 2000 - unknown device - SOLVED

#1 Post by Edward Mendelson » Fri May 07, 2021 1:32 pm

I've installed Windows 2000 SP4 in a ThinkPad T23, and have one unknown device in Device Manager. When viewing by connection, it's at this point in the tree:

PCIBus
Intel(R)82810 CAM LPC Intervace Controller -248C
Microsoft ACPI-Compliant Embedded Controller
Unknown Device

It's on the same level with Microsoft AC Adapter and Microsfot ACPI-Compliant Control Method Battery

Is there a fix for this?
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Edward Mendelson
**SENIOR** Member
**SENIOR** Member
Posts: 941
Joined: Mon May 24, 2004 10:11 am

Re: T23 with Windows 2000 - unknown device - SOLVED

#2 Post by Edward Mendelson » Fri May 07, 2021 3:01 pm

It's the "IBM PM Device", installed by running uttppmxp.exe:

https://support.lenovo.com/us/en/downlo ... ad-general

Or, closer to home:

https://thinkpads.com/support/Thinkpad- ... tppmxp.exe
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