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AnandTech reports here that they pushed low-end 1.8v DDR2-533MHz memory to 800MHz with 4-3-3-8 timings at 2.1v indicating that high-end, low-latency memory is NOT a necessity for overclocking (even if high-end RAM does provide the very best results).
http://www.anandtech.com/mb/showdoc.aspx?i=2797&p=17
Meanwhile, Xbitlabs reports here that (quote); even with bad timings DDR2-800 works faster than DDR2-600 with the best timings.http://www.xbitlabs.com/articles/memory/display/core2duo-memory-guide_8.html
Which report is correct in your opinion?
Regardless, it would seem from what Ive read that having memory that will initially post at stock 1.8v is important. For instance, many people report first-day boot failures with 2.1v OCZ modules having to resort to low-end 1.8v RAM so they can get into BIOS and increase their vdimm setting before the high-end RAM will work. Well, I supposed I can borrow a stick of cheap DDR2 memory from somewhere for a day if I have to.
Moreover .as you know, the Allendale/Conroe CPU multipliers look like this:
E6300 = FSB x 7
E6400 = FSB x 8
E6600 = FSB x 9
E6700 = FSB x 10
The Asus P5B Deluxe (which Im most interested in) has the ability to override the locked CPU multiplier down but not up. (According to AnandTech, Asus says that some chips at random can be unlocked both down AND up but I havent seen anyone confirm that). Anyway, numerous articles Ive read claim that the Allendale/Conroe chips with higher CPU multipliers overclock better since the FSB doesnt have to be pushed as far before the CPU maxes out (lower FSB puts less stress on the NorthBridge).
However, these VERY interesting threads suggest the opposite that CPUs with LOWER multipliers overdrive the NB less.
http://www.bleedinedge.com/forum/showthread.php?t=23803
http://www.xtremesystems.org/forums/showthread.php?t=114998
Id hate like hell to spend extra $$ for an E6400, then have to clock it DOWN to a 7x multiplier and then also find WORSE overclocking results than if Id just bought an E6300 in the first place!
BOTTOM LINE:
For overclocking value, I do buy DDR2-533, DDR2-667, or DDR2-800 memory??
Is the best choice an E6300 or an E6400 ??
Any comments about which Allendale chip Stepping and Revision seems most ideal ??
Your opinions and experience, please.
http://www.anandtech.com/mb/showdoc.aspx?i=2797&p=17
Meanwhile, Xbitlabs reports here that (quote); even with bad timings DDR2-800 works faster than DDR2-600 with the best timings.http://www.xbitlabs.com/articles/memory/display/core2duo-memory-guide_8.html
Which report is correct in your opinion?
Regardless, it would seem from what Ive read that having memory that will initially post at stock 1.8v is important. For instance, many people report first-day boot failures with 2.1v OCZ modules having to resort to low-end 1.8v RAM so they can get into BIOS and increase their vdimm setting before the high-end RAM will work. Well, I supposed I can borrow a stick of cheap DDR2 memory from somewhere for a day if I have to.
Moreover .as you know, the Allendale/Conroe CPU multipliers look like this:
E6300 = FSB x 7
E6400 = FSB x 8
E6600 = FSB x 9
E6700 = FSB x 10
The Asus P5B Deluxe (which Im most interested in) has the ability to override the locked CPU multiplier down but not up. (According to AnandTech, Asus says that some chips at random can be unlocked both down AND up but I havent seen anyone confirm that). Anyway, numerous articles Ive read claim that the Allendale/Conroe chips with higher CPU multipliers overclock better since the FSB doesnt have to be pushed as far before the CPU maxes out (lower FSB puts less stress on the NorthBridge).
However, these VERY interesting threads suggest the opposite that CPUs with LOWER multipliers overdrive the NB less.
http://www.bleedinedge.com/forum/showthread.php?t=23803
http://www.xtremesystems.org/forums/showthread.php?t=114998
Id hate like hell to spend extra $$ for an E6400, then have to clock it DOWN to a 7x multiplier and then also find WORSE overclocking results than if Id just bought an E6300 in the first place!
BOTTOM LINE:
For overclocking value, I do buy DDR2-533, DDR2-667, or DDR2-800 memory??
Is the best choice an E6300 or an E6400 ??
Any comments about which Allendale chip Stepping and Revision seems most ideal ??
Your opinions and experience, please.