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PostPosted: Thu Jan 31, 2013 8:14 pm 
Old School Hero

Joined: Fri May 25, 2012 6:53 pm
Posts: 232
Location: Ealing, London
Hi guys.

I've just built up a computer with the following specifications:
Windows 8 64 bit
Mobo - Asus M5A78l-m/USB3
CPU - AMD FX 6100
GPU - Asus HD 6670 1GB DDR5
Ram - 1x 4GB Corsair DDR3 Vengeance Low Profile Jet Black, PC3-12800 (1600)

The rest is just generic.

CPUZ is displaying all 6 cores and all running fine.

The issue I'm having is that under Windows Task Manager CPU it is only displaying 3x Cores and 6x Logical Processors.

Is this correct? I've tried everything to get it to display 6 cores.

I've tried:
1) Updated the BIOS from 1401 to 1503
2) Fresh clean install of windows 8 using a new hard drive
3) Disabling core parking by using Regedit - 0cc5b647-c1df-4637-891a-dec35c318583
4) Changed BIOS cpu settings to manual and 3/4 & 5/6 cores activated
5) Easy BCD core limit to 0
6) Msconfig

Is there something I'm missing or is windows task manager never actually going to display all 6 cores? If it's not displaying them is it at least using them?

Thanks in advanced!


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PostPosted: Thu Jan 31, 2013 8:55 pm 
Dirt Disciple

Joined: Fri Jan 25, 2013 11:00 am
Posts: 17
Location: west midlands
nathb wrote:
Hi guys.

I've just built up a computer with the following specifications:
Windows 8 64 bit
Mobo - Asus M5A78l-m/USB3
CPU - AMD FX 6100
GPU - Asus HD 6670 1GB DDR5
Ram - 1x 4GB Corsair DDR3 Vengeance Low Profile Jet Black, PC3-12800 (1600)

The rest is just generic.

CPUZ is displaying all 6 cores and all running fine.

The issue I'm having is that under Windows Task Manager CPU it is only displaying 3x Cores and 6x Logical Processors.

Is this correct? I've tried everything to get it to display 6 cores.

I've tried:
1) Updated the BIOS from 1401 to 1503
2) Fresh clean install of windows 8 using a new hard drive
3) Disabling core parking by using Regedit - 0cc5b647-c1df-4637-891a-dec35c318583
4) Changed BIOS cpu settings to manual and 3/4 & 5/6 cores activated
5) Easy BCD core limit to 0
6) Msconfig

Is there something I'm missing or is windows task manager never actually going to display all 6 cores? If it's not displaying them is it at least using them?

Thanks in advanced!



set the cpu core control to auto instead of manual.
adam


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PostPosted: Thu Jan 31, 2013 9:37 pm 
Old School Hero

Joined: Fri May 25, 2012 6:53 pm
Posts: 232
Location: Ealing, London
oadamo wrote:

set the cpu core control to auto instead of manual.
adam


Thanks - I've tried that.

Just a thought, at the moment I'm running the computer of a 20 pin connector, the mobo being 24 pin.

Do you think this could be the issue??


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PostPosted: Thu Jan 31, 2013 11:11 pm 
retrobike rider
retrobike rider
User avatar

Joined: Tue Jul 14, 2009 7:52 pm
Posts: 1904
Location: Trancecentral
What you are seeing is correct. Multiple cores on an AMD differ from an Intel in that they are served by shared channels and cache. AMD cores run in pairs.


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PostPosted: Fri Feb 01, 2013 10:39 am 
Old School Hero

Joined: Fri May 25, 2012 6:53 pm
Posts: 232
Location: Ealing, London
stewlewis wrote:
What you are seeing is correct. Multiple cores on an AMD differ from an Intel in that they are served by shared channels and cache. AMD cores run in pairs.


Ahh! :facepalm:

Thank you very much.

I'm new to AMD!


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