FSB limit of a Asus A8n-e motherboard?

dario03 · 11-09-2007, 09:37 PM

Does anyone know the fsb limit of a asus a8n-e motherboard? I had a thread a while back about how I could run 1.2v @2.8ghz with 45c but no matter what couldn't get past 2.8ghz and I was told it was probably the limit of my cpu.
But it just dawned on me that my last cpu couldn't get past 280fsb either and my ram is fine with the 3/5 divider I'm using. So I was thinking maybe its my mobo thats holding me back.

Could that be it? Does anyone know the fsb limit of my motherboard?
And is a 3/5 ram divider ok with a skt939 x2 3800?

gurusan · 11-10-2007, 04:16 AM

Could be very likely....if I remember correctly there were not many boards that could do over 300fsb...so a 280fsb limit sounds about right.

And if you have PC3200 ram then 3/5 is too small of a divider. That would put your ram at 168mhz which is significantly underclocked.

dario03 · 11-10-2007, 10:52 AM

See I've been wondering if that divider was ok because it seemed low. But when I first overclocked my last cpu a bunch of people told me that was fine on a amd. Dang I really wish I had just waited a little longer and gone am2 or c2d with ddr2 ram because this ram will only go to 220mhz.

thirdshiftdj · 11-10-2007, 11:30 PM

my old asus a8n32 could only hit 315 fsb. Did you set HT under 1000mhz w/ a 3x multi.

dario03 · 11-11-2007, 01:24 AM

I think I have it at 3x. Should I try 2x to see if it allows me to OC higher? Would setting the HT to 2x be ok?

gurusan · 11-11-2007, 05:03 AM

Quote:

Originally Posted by dario03

I think I have it at 3x. Should I try 2x to see if it allows me to OC higher? Would setting the HT to 2x be ok?

no point in dropping it to 2x...3x is fine for up to around 335-350fsb

dario03 · 11-11-2007, 04:56 PM

I was just hopeing there was a way to get more fsb out of my mobo. I'm sure this cpu can go higher since it runs cool and with low voltage.

gurusan · 11-11-2007, 05:00 PM

Well have you tried upping the northbridge voltage?

dario03 · 11-11-2007, 05:41 PM

Honestly I can't even remember if I had that option in my mobo. I'll have to check when I get home later tonight.

11-09-2007, 09:37 PM	#1 (permalink)
dario03 Monster Techie Join Date: Feb 2005 Posts: 1,592	FSB limit of a Asus A8n-e motherboard? Does anyone know the fsb limit of a asus a8n-e motherboard? I had a thread a while back about how I could run 1.2v @2.8ghz with 45c but no matter what couldn't get past 2.8ghz and I was told it was probably the limit of my cpu. But it just dawned on me that my last cpu couldn't get past 280fsb either and my ram is fine with the 3/5 divider I'm using. So I was thinking maybe its my mobo thats holding me back. Could that be it? Does anyone know the fsb limit of my motherboard? And is a 3/5 ram divider ok with a skt939 x2 3800? __________________ Intel e2180 @ 3ghz, Cooler Master Hyper TX2 92MM, Abit IP35-V, 8gb OCZ ddr2, OCZ StealthXStream 600W, Sapphire 4870 512mb, X-Infinity case. "Now I lay my computer down to sleep, I pray the hard drive my files to keep, If I should lose power before I save, I pray the hard drive my backups to take" The Techies' Bible - Dario 1:1

11-10-2007, 04:16 AM	#2 (permalink)
gurusan Moderator Join Date: Jan 2006 Location: Oxford, UK Posts: 5,784	Re: FSB limit of a Asus A8n-e motherboard? Could be very likely....if I remember correctly there were not many boards that could do over 300fsb...so a 280fsb limit sounds about right. And if you have PC3200 ram then 3/5 is too small of a divider. That would put your ram at 168mhz which is significantly underclocked. __________________ :: Antec P182 :: Asus P5Q Deluxe :: Intel E8500 @ 4607MHz :: :: Thermaltake Toughpower 750w :: HD4870 512mb 875/1150 :: :: 4gb OCZ @ 1174mHz 5,5,5,15 :: 120.3+D4+XSPC Edge+Maze4 ::

11-10-2007, 10:52 AM	#3 (permalink)
dario03 Monster Techie Join Date: Feb 2005 Posts: 1,592	Re: FSB limit of a Asus A8n-e motherboard? See I've been wondering if that divider was ok because it seemed low. But when I first overclocked my last cpu a bunch of people told me that was fine on a amd. Dang I really wish I had just waited a little longer and gone am2 or c2d with ddr2 ram because this ram will only go to 220mhz. __________________ Intel e2180 @ 3ghz, Cooler Master Hyper TX2 92MM, Abit IP35-V, 8gb OCZ ddr2, OCZ StealthXStream 600W, Sapphire 4870 512mb, X-Infinity case. "Now I lay my computer down to sleep, I pray the hard drive my files to keep, If I should lose power before I save, I pray the hard drive my backups to take" The Techies' Bible - Dario 1:1

11-10-2007, 11:30 PM	#4 (permalink)
thirdshiftdj Chinky Techie Join Date: Oct 2006 Location: Lowell,Ma Posts: 3,163	Re: FSB limit of a Asus A8n-e motherboard? my old asus a8n32 could only hit 315 fsb. Did you set HT under 1000mhz w/ a 3x multi. Last edited by thirdshiftdj; 11-10-2007 at 11:33 PM.

11-11-2007, 01:24 AM	#5 (permalink)
dario03 Monster Techie Join Date: Feb 2005 Posts: 1,592	Re: FSB limit of a Asus A8n-e motherboard? I think I have it at 3x. Should I try 2x to see if it allows me to OC higher? Would setting the HT to 2x be ok? __________________ Intel e2180 @ 3ghz, Cooler Master Hyper TX2 92MM, Abit IP35-V, 8gb OCZ ddr2, OCZ StealthXStream 600W, Sapphire 4870 512mb, X-Infinity case. "Now I lay my computer down to sleep, I pray the hard drive my files to keep, If I should lose power before I save, I pray the hard drive my backups to take" The Techies' Bible - Dario 1:1

11-11-2007, 04:56 PM	#7 (permalink)
dario03 Monster Techie Join Date: Feb 2005 Posts: 1,592	Re: FSB limit of a Asus A8n-e motherboard? I was just hopeing there was a way to get more fsb out of my mobo. I'm sure this cpu can go higher since it runs cool and with low voltage. __________________ Intel e2180 @ 3ghz, Cooler Master Hyper TX2 92MM, Abit IP35-V, 8gb OCZ ddr2, OCZ StealthXStream 600W, Sapphire 4870 512mb, X-Infinity case. "Now I lay my computer down to sleep, I pray the hard drive my files to keep, If I should lose power before I save, I pray the hard drive my backups to take" The Techies' Bible - Dario 1:1

11-11-2007, 05:00 PM	#8 (permalink)
gurusan Moderator Join Date: Jan 2006 Location: Oxford, UK Posts: 5,784	Re: FSB limit of a Asus A8n-e motherboard? Well have you tried upping the northbridge voltage? __________________ :: Antec P182 :: Asus P5Q Deluxe :: Intel E8500 @ 4607MHz :: :: Thermaltake Toughpower 750w :: HD4870 512mb 875/1150 :: :: 4gb OCZ @ 1174mHz 5,5,5,15 :: 120.3+D4+XSPC Edge+Maze4 ::

11-11-2007, 05:41 PM	#9 (permalink)
dario03 Monster Techie Join Date: Feb 2005 Posts: 1,592	Re: FSB limit of a Asus A8n-e motherboard? Honestly I can't even remember if I had that option in my mobo. I'll have to check when I get home later tonight. __________________ Intel e2180 @ 3ghz, Cooler Master Hyper TX2 92MM, Abit IP35-V, 8gb OCZ ddr2, OCZ StealthXStream 600W, Sapphire 4870 512mb, X-Infinity case. "Now I lay my computer down to sleep, I pray the hard drive my files to keep, If I should lose power before I save, I pray the hard drive my backups to take" The Techies' Bible - Dario 1:1

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