Voila j ai trouver.....
c'est en anglais mais je ferai une petite traduction:
"These particular Kingston HyperX modules do not support EPP (Enhanced Performance Profiles), although at the time of writing, Kingston is now producing EPP-compatible variants of these modules. EPP will auto-adjust the memory timings to the manufacturer's specific high-end settings on EPP-enabled motherboards. Since these modules do not support this technology, clock speeds and timings have to be set manually in the motherboard's BIOS. If manual timings are not set, the motherboard will fall back on SPD (Serial Presence Detect) defaults, which in the case of this particular module are DDR2-667 clock speeds with CAS 5-5-5-15 latencies @ 1.8V. Obviously, running these modules at SPD defaults would very much be a waste, so manual timing of these modules is a necessity."
en resumé: on doit mettre manuellement la config de la memoire dans la carte mere car si on laisse par defaut, il va se baser sur le SPD qui est DDR2-667 CAS 5-5-5-15
"Kingston's KHX6400D2LLK2/2G is a kit of two low-latency 128M x 64-bit 1GB (1024MB) DDR2-800 CL4 SDRAM (Synchronous DRAM) memory modules, based on sixteen 64M x 8-bit DDR2 FBGA components per module. Total kit capacity is 2GB 2048MB). Each module pair has been tested to run at DDR2 800MHz at low latency timing of 4-4-4-12 at 2.0V. The SPD is programmed to JEDEC standard latency 667Mhz timing of 5-5-5-15 at 1.8V. Each 240-pin DIMM uses gold contact fingers and requires +1.8V. "
dans le SPD c'est defini en pc-5300 bien que regle en pc-6400 dans le bios.
voila pourquoi elle etait reconnue en pc5300 lors du 1er demarrage.
Message édité par chriskenoby le 19-04-2008 à 23:07:36
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