I've searched and cannot find an answer (I'm new by the way):
I have a several PCs with Asus motherboards. Under 'Advanced' in the BIOS I have an option for 'CPU External Frequency' which I understand is the frequency of the System Bus (Front Side Bus) and that this is effectively doubled in a DDR system.
The only problem is it's actually two numbers separated by a slash e.g. 133/33
What is the second number? Is it the PCI bus speed?
I have PC2100 RAM in one system (A7V8X) and I can up the 'CPU External Frequency' to 149/37 before the BIOS warns me about the memory speed. I understand that PC2100 is rated at 266MHz so I would guess the standard setting would be the 133/33.
Is 149/37 running the memory at 2*149=298MHz and is that too high? And is that second number, 37, going to cause problems e.g. with data integrity on the IDE channel (Maxtor HD)?
I have a several PCs with Asus motherboards. Under 'Advanced' in the BIOS I have an option for 'CPU External Frequency' which I understand is the frequency of the System Bus (Front Side Bus) and that this is effectively doubled in a DDR system.
The only problem is it's actually two numbers separated by a slash e.g. 133/33
What is the second number? Is it the PCI bus speed?
I have PC2100 RAM in one system (A7V8X) and I can up the 'CPU External Frequency' to 149/37 before the BIOS warns me about the memory speed. I understand that PC2100 is rated at 266MHz so I would guess the standard setting would be the 133/33.
Is 149/37 running the memory at 2*149=298MHz and is that too high? And is that second number, 37, going to cause problems e.g. with data integrity on the IDE channel (Maxtor HD)?