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[Fudzilla] Trinity A85X chipset ready.... - Page 3

post #21 of 24
Quote:
Originally Posted by mikezachlowe2004 View Post

I seen a pic that showed Trinity to have same pin layout as Llano minus a single pin so if thats the case then there should be no problem Trinity fitting on FM1 board and for the Turbo 3.0 could just be on the APU itself. Guess we'll know for sure at release. Also, this is not the only source that says Trinity will be compatible with FM1 boards.

I hope I don't come across as argumentative, but I presume you are referring to the Fudzilla article of April 6th? All the other sources claiming compatibility that I could find seemed to link back to that one. It does feature a photograph of Llano and Trinity side by side, and claims the following:

As far as the desktop chips are concerned, Lynx and Virgo platforms should be socket-compatible as the chip packaging is almost the same, even though Trinity APUs will utilize the new Socket FM2. The only difference is that Socket FM1 has one extra pin (905 pins for Llano versus 904 pins for Trinity), but independent sources have already confirmed that Trinity APUs should still be compatible with older FM1 motherboards.

Unfortunately I fear that those claims of "sources" are quite dubious. Notice the assumption that Trinity having one less pin is the only difference in the pin layout. If you look carefully at the image he cites - which ironically is the same one I linked earlier and was available last November - there is not only one fewer pin, but a series of pin translocations. He probably didn't notice that and claimed "sources" to bolster the article's credibility.

Llano is on the left, Trinity is on the right. Notice that the missing pin is adjacent to the upper right missing pin island on llano. That doesn't confer incompatibility, but the movement of the upper left and lower right missing pin islands by one pin to the left each does induce mechanical incompatibility. While there is always the possibility of the image being fake, the the user that posted the image originally on the Chiphell forums has a history of access to engineering samples.

amd_llano_versus_trinity.jpg
post #22 of 24
Quote:
Originally Posted by mikezachlowe2004 View Post

I seen a pic that showed Trinity to have same pin layout as Llano minus a single pin so if thats the case then there should be no problem Trinity fitting on FM1 board and for the Turbo 3.0 could just be on the APU itself. Guess we'll know for sure at release. Also, this is not the only source that says Trinity will be compatible with FM1 boards.

I believe I pointed out twice that pins location are different as well, making it incompatible to use Trinity on FM1 motherboard. It is physically impossible to insert the APU.
Misaka
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Misaka
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CPUMotherboardGraphicsRAM
Intel Core i5-3570K ASRock Z68 Extreme4 Gen3 Sapphire HD 7850 2 GB Samsung DDR3 16 GB (30 nm) 
Hard DriveHard DriveOptical DriveCooling
Crucial M4 128 GB WD Caviar Blue 1 TB Lite-on DVD Burner Thermalright Venomous X 
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Windows 7 Professional x64 (Host) Crunchbang Linux x64 (Guest) HP 2311x HP PS/2 Keyboard 
PowerCaseMouseAudio
Rosewill Capstone 450 W Rosewill Challenger Logitech M570 ASUS Xonar D1 
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Hauppauge HVR-1250 
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post #23 of 24
Cool! I'm eager to see the reviews!
post #24 of 24
Quote:
Originally Posted by trumpet-205 View Post

Quote:
Originally Posted by mikezachlowe2004 View Post

I seen a pic that showed Trinity to have same pin layout as Llano minus a single pin so if thats the case then there should be no problem Trinity fitting on FM1 board and for the Turbo 3.0 could just be on the APU itself. Guess we'll know for sure at release. Also, this is not the only source that says Trinity will be compatible with FM1 boards.

I believe I pointed out twice that pins location are different as well, making it incompatible to use Trinity on FM1 motherboard. It is physically impossible to insert the APU.

If the picture is not a fake it is indeed a different pin layout. You can see it clearly if you count the pins from top left side of the middle opening(pin-less space) over to the last pin of small...blah too hard to explain. It is a different layout 100%. Question is, is the picture real and/or have they changed the design since that picture? Just have to wait for more evidence.

Edit: Picture to show what I was trying to describe. Notice how many pins it takes to reach the end of each pin-less space from the middle section. You can see it better if you click and enlarge it.

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