Author Topic: GeIL Ultra Platinum PC4000  (Read 3905 times)

Offline Turk182

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GeIL Ultra Platinum PC4000
« Reply #20 on: July 27, 2004, 01:30:52 AM »
yep.. if you're running an amd rig, it would be better to get xms-xl corsairs instead... very low latencies are more impt. rather than raw speed/bandwidth for these systems... very low latency PC3200-3500 memory is therefore a perfect match for amd rigs...



pc4000+ memory is mainly for intel p4-based rigs where mem bandwidth is king as a result of the QDR FSB while latency (mem timings) is not too much of a factor... that's why we are seeing a steady stream of high latency cas3 mem modules with the ability to hit increasing speeds being introduced in the market...  



i would probably be needing PC4400+ mem since my rig is currently running @283FSB 5:4 with corsair bh5 memory (2-2-3-6)...
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Offline servo101

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« Reply #21 on: July 27, 2004, 06:36:20 AM »
alam nyo guys, alam ko nman yun performance nun Corsair. at kung may perang itatapon lang ako dun, walang kaso. Im geting these GeILs 2nd hand and cheap so there...



i know AMD rigs like tight timings, trust me. I've overclocked 3 nForce 2 rigs already...

Offline death metal

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GeIL Ultra Platinum PC4000
« Reply #22 on: July 27, 2004, 08:36:20 AM »
Quote
dm: 2.8 vdimm @ only DDR400? bat ang taas ng vdimm? can't it run at CAS 2 @ only 2.6 or 2.7 vdimm?




servo, it can run the tight timing at the default vdimm, however, the voltage is needed to check how far i can go at 2-3-3-6 ;)...so to eliminate voltage as a culprit, i just shoved in 2.85vdimm, and hit 233FSB. Anything higher and i'll get random errors (crash, reboot, etc)....

Offline servo101

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« Reply #23 on: July 27, 2004, 09:46:50 AM »
ahhhhh, so you hit 233 @ CAS 2...nice...

Offline death metal

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« Reply #24 on: July 27, 2004, 10:23:42 AM »
yep =)...2.5-3-3-7 works ok from 234-240, and above that until 265 is 2.5-4-4-7....

Offline servo101

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« Reply #25 on: July 27, 2004, 10:34:30 AM »
man these things are tight...

Offline dean

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« Reply #26 on: July 27, 2004, 10:40:06 AM »
you guys like it tight huh?



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Offline servo101

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« Reply #27 on: July 27, 2004, 10:51:06 AM »
dean: virgin tight... :P

Offline aIJay

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« Reply #28 on: July 27, 2004, 11:18:32 AM »
tight...

Offline Turk182

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« Reply #29 on: July 27, 2004, 02:35:03 PM »
you don't need to get corsair xls... they're the best low latency PC3200-3500 memory around now but there are cheaper alternatives... there is ocz, geil, even patriot LL PC3200-3500 memory... these modules are capable of the tightest timings (cas2, 2-2/3-5/6) up to about 230-235 Mhz at mid to high vdimm...



high latency (cas2.5-3, 4-4-7/8) PC4000+ memory is designed for the high mem bandwidth requirements of the P4's QDR FSB without the performance penalty of loose timings... you can certainly try to run these modules with faster timings at lower speeds but these weren't designed for it in the first place... that's why at best you can only get 2-3-3-6 with these modules using high vdimm even at low PC3200 speeds...



also remember that there are other settings in these modules which play a big role in latency... settings such as DRAM refresh rate, DRAM idle timer, DRAM burst length,  etc. which are lower/slower for PC4000+ mem compared to that of low latency PC3200-3500 modules... these setting differences are revealed in mem bandwidth benchmarks when comparing these modules at the same speeds and cas timings...
"All that is necessary for evil to triumph is for good men to do nothing."  -Edmund Burke

Offline death metal

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« Reply #30 on: July 27, 2004, 03:14:55 PM »
turk, i agree =)...i found some tweaks that seems anomalous =)...but i guess it's not anomalous, rather, just a matter of "settings working harmoniously" =)....take a look at OCZ's EB series, they aren't low latency, but they sure are "tight" with memory bandwidth results...

Offline Turk182

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« Reply #31 on: July 27, 2004, 03:35:27 PM »
yep... it's all about memory bandwidth and less about mem latency when it comes to p4 rigs... i'm currently getting 6120+ sandra mem scores 5:4 with my bh5s at tight timings (2-2-3-6)... with the right PC4400+ mem (3-4-4-8) 1:1, i could be hitting 6500+ at the same FSB...
"All that is necessary for evil to triumph is for good men to do nothing."  -Edmund Burke

Offline servo101

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« Reply #32 on: July 27, 2004, 03:42:21 PM »
Turk182: no offense meant or anything but i know what you are talking about, trust me. its just that im getting these things cheap. i know P4s like bandwidth and I know that AMDs like tight timings. really bro, no need to tutor me on this. i know what im doing...



as i said, im getting these geils cheap (think 11K for a 1 gig dual channel kit) so this is a pretty good bargain. too good to pass up.

Offline Turk182

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« Reply #33 on: July 27, 2004, 03:50:29 PM »
ok, man... suportahan taka... :)
"All that is necessary for evil to triumph is for good men to do nothing."  -Edmund Burke

Offline Juice111

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« Reply #34 on: July 27, 2004, 11:45:10 PM »
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ok, man... suportahan taka... :)




Turk, biyasa kang kapampangan?



11k for 1gig dual channel? mura na yun.

Offline Turk182

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« Reply #35 on: July 28, 2004, 01:40:49 AM »
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Turk, biyasa kang kapampangan?


just my poor attempt in using a local colloquial saying... ehehehe... :)
"All that is necessary for evil to triumph is for good men to do nothing."  -Edmund Burke

Offline servo101

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« Reply #36 on: July 28, 2004, 06:43:37 AM »
Turk182: lol! btw, makukuha ko na (sana) ynu GeILs today. update you guys later on the tightest timings it can run at DDR400...

Offline servo101

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« Reply #37 on: July 28, 2004, 11:46:09 PM »
just got my GeIL DDR500 Ultra Plats, running them at CAS 2 3-3-10 at DDR400...sweet....

BoyBastos

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« Reply #38 on: July 28, 2004, 11:55:35 PM »
servo101 : try mo 2-2-2-9

Offline aIJay

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« Reply #39 on: July 29, 2004, 12:16:21 AM »
servo101: correct me if i'm wrong but diba 2-3-3-11 ang gustong timings ng nforce boards?