ECS k7s5a PCI divider

sash1

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Jul 20, 2001
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What is the PCI divider on this motherboard? I hate how you can only change the front-side-bus, and not the multiplier. I don't want my hard-drive to crap out, either. :)

Also, what is a safe range for the speed the PCI bus should travel? And if you've overclocked with this motherboard, have you been successful?

Thanks,

~Aunix
 

John

Moderator Emeritus<br>Elite Member
Oct 9, 1999
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1/3 & 1/4

Anything below 40MHz will typically be successful as long as your other peripherals will handle the increased bus speed.
 

sash1

Diamond Member
Jul 20, 2001
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<< 1/3 & 1/4

Anything below 40MHz will typically be successful as long as your other peripherals will handle the increased bus speed.
>>

Well, thats all fine and dandy, because I have nothing in my PCI slots. I use onboard sound and onboard LAN, mainly because I'm a cheapy :). I was just worried about my hard drive going all wacky.

Is there any way to set the divider on the motherboard, because there are no options in the BIOS. DOes it set it automatically or what?

Thanks,

~Aunix
 

John

Moderator Emeritus<br>Elite Member
Oct 9, 1999
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<< Is there any way to set the divider on the motherboard >>



There are no settings to adjust. When you set it to run 133MHz you have no shifted to the 1/4 PCI divisor.
 

BlvdKing

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Jun 7, 2000
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My wife's Duron 750 is at 933mhz with a 124mhz FSB. What's the PCI bus on that? Where's the dividing line for the 1/3 and 1/4 dividers. Her computer is rock solid at this speed without a single hiccup.
 

sash1

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Jul 20, 2001
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<< My wife's Duron 750 is at 933mhz with a 124mhz FSB. What's the PCI bus on that? Where's the dividing line for the 1/3 and 1/4 dividers. Her computer is rock solid at this speed without a single hiccup. >>

As John said above, the switch from 1/3 to 1/4 takes place at a 133MHz fsb. So you currently have a 1/3 PCI divider. That would make your PCI bus running at 41MHz (124 x 1/3).
 

Rand

Lifer
Oct 11, 1999
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<<

<< My wife's Duron 750 is at 933mhz with a 124mhz FSB. What's the PCI bus on that? Where's the dividing line for the 1/3 and 1/4 dividers. Her computer is rock solid at this speed without a single hiccup. >>

As John said above, the switch from 1/3 to 1/4 takes place at a 133MHz fsb. So you currently have a 1/3 PCI divider. That would make your PCI bus running at 41MHz (124 x 1/3).
>>



Just to point out that not all motherboards make the switch at 133MHz FSB, many motherboards drop to the 1/4 PCI divider at the 124MHz FSB. Personally I tend to prefer it when they do that, as once you start hitting 40MHz + PCI bus speeds it can start getting dangerous unless your hand picking your components to take high PCI speeds.

When the K7S5A specifically switches I don't know though, it may well be 133MHz as John said.