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mazi
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Posts: 29
Registered: ‎10-07-2015
Location: greater London
Views: 370
Message 1 of 3

AMD APU Kaveri (like E555) - what max memory speed?

Does anybody know the max memory speed possible for Thinkpad E555 in a dual module configuration and with most recent BIOS?

AMD lists in some documents different speeds possible for single SO-DIMM and dual SO-DIMM as well as single rank or dual rank. It claims that there might be a fall back to 1333MHz even. But what is the reality for the Lenovo Thinkpads? I can't find any official documents on that.

 

There are brands (like Kingston HyperX Impact) that have DDR3 SO-DIMM available for 1600MHz, 1866MHz and 2133MHz, while the latter one is not specifficaly offered as being compatible with the E555.

 

Anybody with higher RAM speeds than 1600MHz DDR3 on the E555 or a similar Thinkpad?

 

mazi
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Posts: 29
Registered: ‎10-07-2015
Location: greater London
Views: 307
Message 2 of 3

Re: AMD APU Kaveri (like E555) - what max memory speed?

bump

 

(nobody has any experience so far?)

mazi
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Posts: 29
Registered: ‎10-07-2015
Location: greater London
Views: 240
Message 3 of 3

Re: AMD APU Kaveri (like E555) - what max memory speed?

since there wasn't any feedback i choosed a kit of 1600MHz (Kingston HyperX). It works at the Lenovo defined - slightly overclocked - rate of 2x810MHz and is not clockin down to 1333MHz as AMD BKDG documentation suggests.
If anybody could share experiences for 1866MHz or faster RAM kits I'd be happy to know...

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