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 Post subject: CF 31 ATI video ram
PostPosted: Fri Mar 10, 2017 4:36 am 
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Anyone have the specs on what video ram is in what mk?

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 Post subject: Re: CF 31 ATI video ram
PostPosted: Fri Mar 10, 2017 11:00 am 
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I have all this info :):

MK1:
540M CPU with switchable graphics in BIOS:
– ATI Radeon™ HD5650, 512MB dedicated VRAM
– Intel QM57 video controller, max. 1024MB UMA VRAM on XP
• 520M CPU:
– Intel QM57 video controller, max. 1024MB UMA VRAM on XP
• 350M CPU:
– Intel HM55 video controller, max. 1024MB UMA VRAM on XP

MK2:
2540M CPU with switchable graphics in BIOS: – ATI Radeon™ HD6750, 512MB dedicated VRAM
– Intel QM67 video controller, max. 1428MB shared VRAM with 32-bit
■ 2520M CPU:
- Intel QM67 video controller, max. 1428MB shared VRAM with 32-bit
■ 2310M CPU:
– Intel HM65 video controller, max. 1428MB shared VRAM with 32-bit

Mk3:
3360M CPU with switchable graphics in BIOS:
– ATI Radeon™ HD7750, 512MB dedicated VRAM
– Intel QM77 video controller, max. 1785MB shared VRAM with 32-bit
3320M CPU:
– Intel QM77 video controller, max. 1419MB shared VRAM with 32-bit
3110M CPU:
– Intel HM75 video controller, max. 1419MB shared VRAM with 32-bit

Mk4:
3380M CPU with switchable graphics in BIOS:
– ATI Radeon™ HD7750, 512MB dedicated VRAM
– Intel QM77 video controller, max. 1785MB shared VRAM with 32-bit
3340M CPU:
– Intel QM77 video controller, max. 1419MB shared VRAM with 32-bit
3120M CPU:
– Intel HM75 video controller, max. 1419MB shared VRAM with 32-bit

Mk5:
HD Graphics 5500, max. 1785MB shared VRAM with Windows 8.1 32-bit

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 Post subject: Re: CF 31 ATI video ram
PostPosted: Fri Mar 10, 2017 12:03 pm 
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Interesting that the on board Intel video has more ram than the ati.
Do you know the ram vram speed with ati? Ddr3 ddr5 etc?

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 Post subject: Re: CF 31 ATI video ram
PostPosted: Fri Mar 10, 2017 12:50 pm 
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I've posted everything I know. So no :(

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~Fully rugged Toughbook user since April 18th 2005~
~New 3/16/18 - CF-54F0001KM Win10, Intel Core i5 6300U 2.4GHz, 240GB SSD, 12GB, Verizon 4G LTE, Intel 8260 WiFi a/b/g/n/ac, Bluetooth~
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 Post subject: Re: CF 31 ATI video ram
PostPosted: Fri Mar 10, 2017 1:32 pm 
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Rob wrote:
I've posted everything I know. So no :(

Pretty sure the 5650 is GDDR3, and the others are GDDR5.


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 Post subject: Re: CF 31 ATI video ram
PostPosted: Fri Mar 10, 2017 2:53 pm 
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wONDER IF THE VIDEO RAM IS ON THE SAME CHIP AS THE GPU

Sorry about the caps

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 Post subject: Re: CF 31 ATI video ram
PostPosted: Fri Mar 10, 2017 5:00 pm 
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Shawn wrote:
wONDER IF THE VIDEO RAM IS ON THE SAME CHIP AS THE GPU

Sorry about the caps

Directly on the GPU like Haswell's 128MB L4 cache? Nope!


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 Post subject: Re: CF 31 ATI video ram
PostPosted: Tue Mar 14, 2017 1:28 am 
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Didn't realize the ATI 31 models graphics could swap in the bios. I doubled checked and the 6750m has two different versions of the card. One with gddr3 the other gddr5. Apples and most business class machines have the lower end ram. On the desktop cards around the same make on the 6570 the gddr5 version has about 10 more FPS than the gddr3 version.

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 Post subject: Re: CF 31 ATI video ram
PostPosted: Tue Mar 14, 2017 1:52 am 
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If I get this mk1 ATI equipped CF31 up and running, I will run some tests to see what vram it has.

It sounds highly likely that the mk2 also uses gddr3. Knowing Panasonic does not really care about speed much.

My CF31 mk1 ATI is supposed to be delivered today.

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