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Topic Title: Sempron 2800+ compatibility with FSB266 boards.
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Created On: 09/14/2004 08:32 AM
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 09/14/2004 08:32 AM
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manwlis
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Joined: 09/09/2004

I have a Asus A7V8X board (rev. 1.04 with no FSB333 sticker on the southbridge).
My board is only FSB266 capable.

I see from asus cpu support page http://www.asus.com/support/cpusupport/cpusupport.aspx' ">http://www.asus.com/support/cpusupport/cpusupport.aspx
that Sempron 2800+ cpu is supported.

But this cpu use a 333FSB ,
so is this just a asus wrong information?
 09/14/2004 03:38 PM
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JimmyFox
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Ellinas eisai manwli?

The A7V8X supports 333 FSB since it utilizes the VIA KT400 chipset. You should not have any problems with the Sempron.

I used to have this board. Pretty overclockable.

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 09/14/2004 09:17 PM
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eddaweaver
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Manwlis, an Athlon XP 2700+ is faster and the same price.

Sempron 2800+:
2000MHz, 256kb L2 cache, 166/333MHz FSB

Athlon XP 2700+ Barton:
2083MHz, 512kb L2 cache, 166/333MHz FSB

The lack of the sticker doesn't automatically mean anything, as it may just have been removed. You may like to take your computer into a friendly computer shop and see whether it'll handle a 166/333MHz CPU.
 09/15/2004 01:38 PM
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manwlis
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Gia xara JimmyFox.

Thanks for all the answers.

A second problem that this board have , is that it can't support 3 memory modules when using a CPU with a FSB333.

I am thinking to buy a Athlon MP2800+ FSB266, how about it?

http://www.asus.com.tw/support...da.a...spx?KB_ID=84189' ">http://www.asus.com.tw/support...qanda.aspx?KB_ID=84189
Athlon XP 1800+?uses 266MHz FSB, while Athlon XP 2800+ is 333MHz FSB.
Due to the chipset limitation, if you use 333MHz FSB CPU on A7V8X, the memory only runs on 333MHz or 400MHz which?may cause?PC2100 (DDR 266) memory not to work properly. Please replace the memory with PC2700 (DDR333) or PC3200 (DDR400) module to give?a try. You'd better use the memory that is shown on the QVL?of ourweb site or?listed in the manual.

http://www.asus.com.tw/support...da.a...spx?KB_ID=81684' ">http://www.asus.com.tw/support...qanda.aspx?KB_ID=81684
Due to the KT400 chipset limitation, you can only use 2 DDR 333 memory modules at max. on A7V8X. Please use DDR 200/266 memory modules if you intend to install three pieces of RAM on it.

http://www.asus.com.tw/support...da.a...spx?KB_ID=83966' ">http://www.asus.com.tw/support...qanda.aspx?KB_ID=83966
Since VIA chipset limitation, it can support PC3200 one DIMM or PC2700 two DIMMs as user's manual described. If you install two pcs PC3200, it will run as DDR333 automatically.

http://www.asus.com.tw/support...da.a...spx?KB_ID=83932' ">http://www.asus.com.tw/support...qanda.aspx?KB_ID=83932
A7V8X PCB revirsion R1.04 or later with label stating "333MHz FSB support" on South Bridge will support 333MHz FSB Athlon XP. In addition, there will also be "333MHz FSB support" label on the gift box if the motherboard really supports 333MHz FSB Athlon XP.
 09/16/2004 12:45 AM
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eddaweaver
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QUOTE (manwlis @ Sep 15 2004, 09:38 AM) I am thinking to buy a Athlon MP2800+ FSB266, how about it?
that is a very expensive CPU meant for multiprocessor workstations. You could buy a new motherboard and CPU for the same price.
 09/16/2004 12:16 PM
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MD - Moderator
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It would be cheaper to buy XP2400+ or a Mobile XP instead of the SMP Athlon MP.
Both will work on your motherboard.


Just my $0.02

MD

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