Playing with Micron D9GMH: CAS 3 to 5

[BeepBeep2]

First boot @ 2.31v:


I'll let that one sit for a while, nothing impressive but I've got some stuff to take care of. This board only gives 2.5v so be sure that I'm gonna push it all the way.

[CryptiK]

Nice, should have some more in it at 2.3v CL3.

[Ket]

If its good D9, it'll run 3-3-3-12 800 @ 2v or less.

[FlanK3r]

maybe tweaking max cl4? compared it in superpi benchmarks pls (think, not only 1M, but 8M will good for some diferences)

[slaveondope]

Very awesome memory Beep
Im working on my first AM2 bench's with a Athlon x2 4450e(2.3ghz), Asus M3A78-CM and some DDR2-800 CL6

Right now at 3.1ghz and the RAM at an amazing 900mhz 66616

What would be some good ddr2 to look out for?

[BeepBeep2]

If its good D9, it'll run 3-3-3-12 800 @ 2v or less.

It will around 2.1v.

I think it's the motherboard, my ProMOS doesn't do 3-3-3 at all but does CAS 5 at 1250. I'm maxing out at 1270 with these sticks.

CAS 4 limit is around 1150 with 2.5v

These are G*Skill sticks...I believe they are GMH but they may even be even lower binned KPT. No time to heat em up and pull off spreaders. It definately has more in it CL3, but probably only about ~435-450. No 475-500.

[BeepBeep2]

Max CAS 3 @ 2.51v: Dunno if the board is limiting HT Ref. Clock, but I know that the ram doesn't like the 667 divider. Not even 800 CAS 3. I need to update the BIOS, I haven't had this board out for a long time.



I have two sets here for four sticks, I'm going 4GB in an hour or so.

[p_under]

try maxing out the sticks ,what ever cas . 2.5 v is enough

[BeepBeep2]

880 3-3-3-5 is stable enough for 1M.

However my CPU is not stable enough for any kind of fast-ish 1M. I can run 4250-4300 possibly.

Boot at 1115 4-4-4-5, haven't pushed CAS 4 too much yet. Much better than 1040 4-4-4-5 of my ProMOS sticks.

[Ket]

You'll never get far mistreating D9s like that. Not many D9s responded well to very tight timings. If you want max frequencies at set timings you need to make your bases 3-3-3-12/15/18, 4-4-4-12/15/18, 5-5-5-12/15/18. Above 2.5v without proper cooling you will just blow the sticks up. When I done some stuff for Mushkin I done exactly that with a PC8000 Redline kit

[knopflerbruce]

IMO 4-4-4 is the way to go, maybe 4-4-3 (depending on what clocks you can get with whatever divider you use).

575 (how stable?) at 2.5v isn't that bad (unless it's a suicide screenie). With more voltage maybe 590-600 is doable.

[BeepBeep2]

You'll never get far mistreating D9s like that. Not many D9s responded well to very tight timings. If you want max frequencies at set timings you need to make your bases 3-3-3-12/15/18, 4-4-4-12/15/18, 5-5-5-12/15/18. Above 2.5v without proper cooling you will just blow the sticks up. When I done some stuff for Mushkin I done exactly that with a PC8000 Redline kit

Proper cooling.
2500 RPM Panaflo enough?

As for mistreating them...

I can hardly do 1050 4-4-4-12 with 2.2v. Take that with whatever thought you want.

I realized very early the kits gonna need volts.

[CryptiK]

Heh, I've never killed any D9, and I've benched SPI32M at up to 2.8v on air, and 3.2v on DICE

YMMV though.

[BeepBeep2]

Heh, I've never killed any D9, and I've benched SPI32M at up to 2.8v on air, and 3.2v on DICE

YMMV though.

And my speeds are ...poor, avg, good, or "better"? I've never had one of these kits before.

This board only does 2.5v so I have to stop there

[crazydiamond]

your sticks seem pretty good IMO. i used to have 4x1gb of the ballistix 533cl3 sticks (a663's ), i dont member any exact max's but i think very similar to yours

[OC Maximus]

I have a lot to learn, ughhh

[Don_Dan]

These are G*Skill sticks...I believe they are GMH but they may even be even lower binned KPT. No time to heat em up and pull off spreaders. It definately has more in it CL3, but probably only about ~435-450. No 475-500.

The 6400 HZ has always been D9GMH, just FYI, D9KPT is DDR3.
You meant D9JKH, right?

Looks like mediocre sticks to me, not bad but nothing really great. Good clocks imho when you take into consideration it's not a high-binned kit.

I have never killed a kit as well though, and I ran 32M at >2.65V many times, I think you'll be fine with a fan over them.

[[XC] Oj101]

Good sticks will get you DDR800 C3, DDR1000 C4 or DDR1200 C5 at 2.1v or less, your sticks aren't BAD but do you know their history? They may have been volt damaged.

D9s do die, 3.375v will kill them pretty quickly (hush, knopflerbruce ).

[BeepBeep2]

The 6400 HZ has always been D9GMH, just FYI, D9KPT is DDR3.
You meant D9JKH, right?

Looks like mediocre sticks to me, not bad but nothing really great. Good clocks imho when you take into consideration it's not a high-binned kit.

I have never killed a kit as well though, and I ran 32M at >2.65V many times, I think you'll be fine with a fan over them.

Whoops, me thinks I meant D9GCT @ Ramlist @ i4memory. It's been a long week

I have two of these, haven't tested both yet, only the first one I picked. Might mix them to see if I get get the two best sticks out of them together.

Good sticks will get you DDR800 C3, DDR1000 C4 or DDR1200 C5 at 2.1v or less, your sticks aren't BAD but do you know their history? They may have been volt damaged.

D9s do die, 3.375v will kill them pretty quickly (hush, knopflerbruce ).

Bought them from Cecil two days ago. The kit I HAVENT touched yet, he just tested to see if they work and put em back in. This kit has seen 2.4-2.5v before but not much over.

[[XC] Oj101]

Ramlist is outdated,

http://www.jmax-hardware.com/bdds/ddr2.html
http://www.jmax-hardware.com/bdds/ddr3.html

[BeepBeep2]

Ramlist is outdated,

http://www.jmax-hardware.com/bdds/ddr2.html
http://www.jmax-hardware.com/bdds/ddr3.html

Which says the same thing.

[Ket]

Heh, I've never killed any D9, and I've benched SPI32M at up to 2.8v on air, and 3.2v on DICE

YMMV though.

My sticks died because they had no cooling at all - I set out to kill them

[BeepBeep2]

My sticks died because they had no cooling at all - I set out to kill them

[Ket]

I didn't get the reputation of the mad scientist on TPU for nothing youknow

[[XC] Oj101]

Which says the same thing.

Please compare the DDR3 lists and tell me which is more comprehensive My RAM (OCZ OCZ3N2000SR2GK Nvidia SLI Ready DDR2000 1.9v) doesn't even feature on ramlist.i4memory.com , yet the link I posted shows me that they're D9GTR or D9GTS.