New Tbred w/ DLT3C?

technote · Mar 23, 2003

ok, i got a couple (like.. a COUPLE... how many canuks are here eh???) ppl asking me where i got my DLT3C XP1700+ in Toronto, Canada... so i'll just answer it here =)

I got it from rocket pc plus, its a small ma and pa store, i like them cuz they are nice and they actually look these cpus up for me, AND found it... gotta say i am impressed... their phone # is (416) 297-4866.... these chip's price has gone up for some reason... i think ppl are just buying them up dry... i've got total of 4 CPUs so far, 3 more to come... the first two are 0307, and the 2nd two are 0308... both DLT3C, make sure you ask them for DLT3C when call (i doubt they know what they are, but they got it for me already... so shouldn't be a problem)... because i am running them in dual, so i am not sure how high they can go... running 2ghz @ 1.5v, and 2.25ghz @ 1.65v (a7m266-d can't adjust voltage in jumper-less mode for some reason... and stuck at 1.65v)... anyways, hope you ppl get lucky and find these chips! bye now

ekovalsky · Mar 23, 2003

An update on my 1700+ JIUHB:0307 VPMW from excaliber:

Replaced the Shin Etsu G-751 paste with Artic Silver 3. Now running cooler and much more stable at 12x @ 204 mHz FSB ~ 2450 mHz @ 1.8v. Will press onward towards 2500 mHz and report back.

The G-751 sucks, at least for CPUs. It is thick like wood putty and pretty much impossible to apply a thin, smooth coating. It may work well for Northbridge and GPU chips since they typically don't have as good contact with the heatsink.

Walrusbonzo · Mar 23, 2003

These DLT3C JIUHBs run much hotter at the same voltage and frequency as my older JIUHB.

Over on AMDZone me and "onepagebook" are discussing the possibility that these newer ones use a lot more current, and so it is harder to clock them with high voltages as the over current protector is kicking in on that chip that handles OVP and OCP.

I may look into cutting that trace and seeing what happens. Cause at the moment I'm experiencing some weird lockups and resets like I never have before.

With my last JIUHB if my voltage was too low for the frequency and I ran SuperPi it would give an error, but now my new one just locks or resets

Even if the voltage is just 0.025 too low!

Have any of you others noticed these chips running much hotter?

wolfio · Mar 23, 2003

not me--it just that this chip dont like higher voltage over 1.85V period. I know its not the mobo--since my 2100xp can run up to 2.1V w/o probs on the same mobo.

ekovalsky · Mar 23, 2003

I noticed too that with the DLT3C chip when Prime95 crashes the computer immediately reboots. With my 2100+ I would get errors and Prime95 would stop before the computer rebooted.

Still, I'm now at 2450 mHz at 1.8v so no complaints.

wolfio · Mar 23, 2003

prolly will get a different chip once excaliber got a new batch week 09 dlt3c

Walrusbonzo · Mar 23, 2003

ekovalsky said:
I noticed too that with the DLT3C chip when Prime95 crashes the computer immediately reboots. With my 2100+ I would get errors and Prime95 would stop before the computer rebooted.

Still, I'm now at 2450 mHz at 1.8v so no complaints.

I believe this crashing problem may be OCP or OVP kicking in?

wolfio · Mar 23, 2003

well on mine -for instance--it is stable 2.5ghz @ 1.85V-if i were to add the voltage to say 1.9 or 1.95V and the speed stays the same--the system will sort of shutdown running prime95. I said sort of shutdown because it's not completely shutdown--the screen goes blank-no hdd sound -but the fans still running.
temp is 42C full load running prime 95 @ 12.5x208 1.85V-air cooled but then again my room is cold this time of the year.

ekovalsky · Mar 23, 2003

Another update on my 1700+ JIUHB:0307 VPMW DLT3C

I increased core voltage to 1.85v. In BIOS had to set VCore to 1.9v since my NF7-S undervolts by about 0.05v. It overvolts VDimm to about the same degree.

Now running stable at 12x @ 209 mHz ~ 2500 mHz !!!

Temps seem to be under control, idle/load are about 46/50C as reported by the NF7-S. Its readings are about 8-10C too high though so I should be in a very safe range, thanks to the Swiftech & big Delta & AS3.

I'm ordering more of these wonder chips. They're a steal at $69. Who ever though AMD would give us a chip with a > 1 gHz overclock???

tempest993 · Mar 23, 2003

If you have BIOS 16, I think your temps are accurate. The cpu temp problem was said to be fixed in 13.

ekovalsky · Mar 23, 2003

Not exactly. Temps on the rev 1.2 boards with any BIOS are about 9-10C higher than on the rev 1.1 & 1.0 boards with the same CPU & cooling.

So, the BIOS is probably right but the board monitoring hardware is off. I am expecting a recalibration in the next BIOS when it is available.

Walrusbonzo · Mar 23, 2003

I would guess that the new NF7-S v1.2 is reading the CPUs internal diode for CPU temps?

This would mean your temps are more accurate.

waver123 · Mar 23, 2003

ekovalsky said:
I noticed too that with the DLT3C chip when Prime95 crashes the computer immediately reboots. With my 2100+ I would get errors and Prime95 would stop before the computer rebooted.

Still, I'm now at 2450 mHz at 1.8v so no complaints.

Hmm mine doesn't crash if it fails prime95 just give me a rounding err or something.

However chip does seem to run hotter than my other tbreds @ same freq.

wolfio · Mar 23, 2003

Ekovalsky--so it's stable running prime95?
btw--do you have the shutdown probs with your abit board -you give the cpu any voltage above 1.85?
because on my epox it would just simply shutdown with fans running.

Tedinde · Mar 23, 2003

Ordered 2 of these to try out from excaliber, should be here tuesday. I'll report then. They were going to replace my chips in my dual amd rig. Gonna try both of them in my vapo.

tediber · Mar 24, 2003

got em here already just bought 1 DLT3C JIUHB0308XPMW ..... my friend got it up to 2.4ghz at only 1.75volts .... according to him though it seems to run hot ..... 2.3ghz at 1.625volts and after 3dmark cpu temp was 52C

Pinky · Mar 24, 2003

Tbreds are hot for their clock speeds and their decreased size/surface area to transfer heat to the heatsink.

My 2400+ (2ghz) at 1.60v runs 60C full load (internal cpu diode reading) using a decent Volcano 7+ at medium fan speeds. It's also 100% stable, so they can take a little heat when not being overclocked... it's when the voltage and clock speeds are well past defaults that heat becomes a instability factor.

ScorpionNL · Mar 24, 2003

Strange that your 2400+ gets that hot with a volcano 7+. I have the same cooler and it keeps my 1700+@2150MHz@1,85V at 48C stressed at the lowest fanspeed

Captain Hilts · Mar 24, 2003

That's because Pinky lives in a furnace!

Pinky · Mar 24, 2003

Captain Hilts said:
That's because Pinky lives in a furnace!

exactly, my ambient temps are 26-30C, case temps 35C+

So long as it's stable (and it is) I really could care less

New Tbred w/ DLT3C?

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