June 22nd 11, 07:02 AM
posted to alt.comp.periphs.mainboard.gigabyte
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Can Gigabyte ep35c-ds3r v2.1 support DDR3 1600 RAM?
Paul wrote:
Workbug wrote:
On Jun 21, 12:11 pm, Workbug wrote:
I'm intending to upgrade this old computer of mine a little, since its
Intel Core 2 Quad Q6600 @ 2.40Ghz is still modestly fast. Its 2GB
RAM A-DATA DDR2 800 I bought 3 years ago seems to be low to me.
Sometimes the virtual memory go up more than 2GB on Task Manager and
the system slows down greatly.
This motherboard has its Qualified Memory Vendors List
(QVL):http://download.gigabyte.us/FileList..._memory_ga-ep3...
Although the board supports DDR3 1333, there is no 2GB RAM stick on
this list. It has two 2GB choices for DD3 1066: 2GB Kingston
KVR1066D3N7/2G or 2GB Kynix HYMT125U64ZNF8-G7. Either choice would
boost my systems' current 2 GB DDR2 800 to 4GB DD3 1066. And I found
2 sticks of 2GB Kingston KVR1066D3N7/2G is $40 at newegg.com. Would
this be a good upgrade for my system?
Forgot to say, if you can comment on my title question, I'll consider
DDR3 1600 too. Thanks.
Part of the information I provide, may seem superfluous to you, but
I include it to make absolutely sure you know about it.
Motherboards like this, support only *one* kind of memory at a time.
The shared bus can only run at one (proper) voltage at a time,
which is why the memory types must be segregated.
http://images10.newegg.com/NeweggIma...128-082-05.jpg
You cannot mix DDR2 and DDR3 DIMMs at the same time.
You either install DDR2 DIMMs (up to four of them).
Or, you remove them, and install two DDR3 DIMMs instead.
The Newegg advert says...
GA-EP35C-DS3R
http://www.newegg.com/Product/Produc...82E16813128082
Memory Standard DDR3 1333 / DDR2 1066
In the picture, there are four DDR2 slots. And there are two DDR3 slots.
So the max DDR3 config, is going to be two sticks only.
*******
Crucial lists a DDR3-1333 2x2GB kit. $43.99 USD.
http://www.crucial.com/store/listpar...202.1)&Cat=RAM
This is what the Intel datasheet for the P35 chip lists. The second
statement
is telling you, that operating the P35 on the Gigabyte motherboard
at DDR3-1333, is an overclock of the Northbridge. (Some Northbridges,
they're given a voltage boost, to help them run that fast.) Since
Gigabyte has done some testing, they know how difficult it is to
make that chipset run at 1333.
DDR2-800/667 frequencies
DDR3-1066/800 frequencies (82G33 GMCH and 82P35 MCH only)
Supports 1-Gb... DDR2 or DDR3 technologies for x8 ...
The latter statement, could use a 128Mx8 memory chip, as that
is a 1 Gigabit chip. Using sixteen of them is 2GB. That means
a 2GB DIMM is the largest DIMM supported.
So, you can buy the Crucial 2x2GB kit, and install only those
two DIMMs, for a total of 4GB at DDR3-1333 CAS9.
You also have the option, of shopping around for some
2x2GB DDR3-1333 kit, with a lower CAS than CAS9.
Paul
You are correct. I did not look closely enough at the
ram slot locater things.
http://www.gigabyte.com/products/pro...px?pid=2740#ov
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