1600MHz FSB on a 1333MHz mobo

I have a GA-P35-DS4 1333MHz FSB & I was thinking about getting the Q9300, but I would like to run it at 3.0GHz 7.5 x 400 1600MHz if the motherboard will handle it?

Gigabyte makes a GA-EP35-DS4 which claims 1333MHz/1600MHz(O.C)

How high can I take the FSB on the my GA-P35-DS4?
Will it run at 1600MHz?
My RAM is CORSAIR XMS2 DDR2 800

Thanks
13 answers Last reply
More about 1600mhz 1333mhz mobo
  1. I would assume that overcloking the GA-P35-DS4 would be the same as the GA-P35-DS3L.
  2. I agree with level101, to a point. It could be that the EP35 could be built to a better standard so that it could handle the increased FSB. Although, I would still expect that you could be able to oc the P35 to 1600 in most cases without difficulty, for the simple fact of the good construction and components that Gigabyte generally uses.

    Although, I would like to point out that you would be wise to watch your RAM/FSB multiplier when cranking up to that speed.

    The only way to tell if your board will be stable at that speed, will be to try it.
  3. I'm sure all P35 can do 400MHz. As for how high it can go, it will differ from mobo to mobo. My guess would be around 450MHz.
  4. Evilonigiri said:
    I'm sure all P35 can do 400MHz. As for how high it can go, it will differ from mobo to mobo. My guess would be around 450MHz.



    Yes, most p35 boards can handle 400mhz without too much difficulty, but 450mhz would be a pretty large stretch. You should really get a x38/48 board for 1800mhz (450x4) and above.
  5. dagger said:
    Yes, most p35 boards can handle 400mhz without too much difficulty, but 450mhz would be a pretty large stretch. You should really get a x38/48 board for 1800mhz (450x4) and above.

    I would suppose you're right. The ASUS P5k-e, a P35 mobo, has been known to hit above 500MHz fsb though, so I merely assumed other P35s can hit 450MHz.
  6. Evilonigiri said:
    I would suppose you're right. The ASUS P5k-e, a P35 mobo, has been known to hit above 500MHz fsb though, so I merely assumed other P35s can hit 450MHz.



    I don't understand how there can be such a big disparity in oc among the different brands using p35. It's the same chipset. There is hardly any difference among x38 boards. What'd they do to make the same p35 faster? :p
  7. dagger said:
    I don't understand how there can be such a big disparity in oc among the different brands using p35. It's the same chipset. There is hardly any difference among x38 boards. What'd they do to make the same p35 faster? :p

    Binning? Durable motherboard parts (ie. solid capacitors, ferrite core)? Better heatsinks? There's a lot of things that make the good brands 'good', even though they all share the same chipset.
  8. If it can hit 400MHz then that answers my question.
    Would be nice if it would hit 425MHz
  9. level101 said:
    If it can hit 400MHz then that answers my question.
    Would be nice if it would hit 425MHz



    For $7 more, you get the "Ex38-DS4" instead of the "P35-DS4." Ouch... :na:

    http://www.newegg.com/Product/Product.aspx?Item=N82E16813128089


    But yeah, if you alredy got it, that board should be more than good enough for 1600mhz. And 1700mhz should work, although don't bet on my words.
  10. 1600Mhz would be fine with me.
    I bought it about 4-5 months ago
  11. thanks for your help
  12. hy all.


    my motherboard (GIGABYTE GA-EP35-DS4) supports 1600MHz (O.C.) Front Side Bus and up to 1200 MHz (O.C.) of DDR2 memory. so being equiped with a Q9300 quadcore 2.5MHz 1.333MHz FSB and 4GB ddr2 corsair dominator 1066MHz, what should i do to get best performance. ram running at 555/15.

    Is it recommended to overclock this ram to 1200MHz or 1600MHz if possible when cpu is OC'ed to 1600FSB
    or would it be better to keep'em at 1066MHz underclock the latency (if possible)???

    what if i added another 2 sticks, 2GB each, would that have any down or upside when doing one of both?
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