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ooztuncer

G.Skill HZ/Any other UCCC (2x1024) 260+ please post here

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Once I'm in it shows cpu/10.

 

I set the FSB to 250 but it still only shows as ddr 400 when booting. I'm almost positive it use to read DDR 500 when I had it overclocked..

 

Clock gen also showsthe ram at 250..

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Crap, I just realized my ram is showing as DDR 400 when booting up..even though it's running at 1:1 and is rated as ddr 500. Thoughts?

that is normal since the post screen is based on divider, ie 1:1= DDR400

 

so eve nif you run 260mhz like me @ 1:1 it says DDR 400..your fine

 

Dng29...last night I moved my ram back to yellow slots always worked better and 2 cold boots with no issues..no clod boot(no warm boot issues either ..ie after enter bios and rebooting)

 

BTW I have found OCing too much even if stable can sometines give boot issues

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that is normal since the post screen is based on divider, ie 1:1= DDR400

 

so eve nif you run 260mhz like me @ 1:1 it says DDR 400..your fine

 

Dng29...last night I moved my ram back to yellow slots always worked better and 2 cold boots with no issues..no clod boot(no warm boot issues either ..ie after enter bios and rebooting)

 

BTW I have found OCing too much even if stable can sometines give boot issues

 

 

thanks for the info nealh :). i reflashed the 704-2bta bios back to 623-2 and so far so good. i did it this morning before going to work, so i didn't get a chance to try rebooting after going into bios or shutting down and powering up again. i'll also test the yellow slots tonight. have you tried running everest or sandra to check memory bandwidth and see if there's a difference between orange and yellow slots? you're absolutely right about pushing the rams to the max. i think anything over the ddr500 speed will give cold boot. i'm running mine at 270htt now. another 50Mhz would be nice, but is it really worth it to sacrifice stability :). in the summer i think i'll need to mount a fan or two above the rams to cool them :).

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Guys, sorry to interrupt your back and forth posts around cold boot issues and I can understand that you find a relation between your problems and g.skill's. However, please try to stay in topic - "g.skill HZ or any other UCCC 260+ post here".

 

I am enjoying if some of us solve their problems by getting advice from more experienced members with g.skills but at the same time I dont wanna see 2.5 pages of discussion on cold boot. Please open a new thread under "NF4" section or use PM's.

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wow..sorry

 

the thread asks about overclock speeds but I think it is important for people to know if there is an issue

 

Mind you I am not blaming the ram per se but MY combo of hardware stuff

 

I have run mine at 260 mhz for 4.5 hrs blend dual prime95..I stopped for other testing

 

Opty 170

 

DFI SLI-DR

BIOS 704-2BTA

FSB - 260

LDT - x3

CPU/FSB Ratio - 10x

Vcore - 1.375 X 104%

LDTv - 1.30

CHPv - 1.6

vDIMM - 2.6

 

DRAM Frequency Set - 200 (DRAM/FSB:1:1)

Command Per Clock (CPC) - Enable

CAS Latency Control (Tcl) - 3.0

RAS# to CAS# delay (Trcd) - 04 Bus Clocks

Min RAS# active time (Tras) - 08 Bus Clocks

Row precharge time (Trp) - 03 Bus Clocks

Row Cycle time (Trc) - 07 Bus Clocks

Row refresh cyc time (Trfc) - 13 Bus Clocks

Row to Row delay (Trrd) - 02Bus Clocks

Write recovery time (Twr) - 02 Bus Clocks

Write to Read delay (Twtr) - 02 Bus Clocks

Read to Write delay (Trwt) - 03 Bus Clocks

Refresh Period (Tref) - 3684 Cycles

 

DRAM Bank Interleave - Enabled

 

DQS Skew Control - Auto

DQS Skew Value - 0

DRAM Drive Strength - weak4

DRAM Data Drive Strength - Level 3

Max Async Latency - 8.0ns

DRAM Response Time - Normal

Read Preamble Time - 5.0ns

IdleCycle Limit - 256 Cycles

Dynamic Counter - enable

R/W Queue Bypass - 16 x

Bypass Max - 07 x

32 Byte Granularity - Disable

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Guys, sorry to interrupt your back and forth posts around cold boot issues and I can understand that you find a relation between your problems and g.skill's. However, please try to stay in topic - "g.skill HZ or any other UCCC 260+ post here".

 

I am enjoying if some of us solve their problems by getting advice from more experienced members with g.skills but at the same time I dont wanna see 2.5 pages of discussion on cold boot. Please open a new thread under "NF4" section or use PM's.

 

 

hehe sorry about the cold boot issue that we're discussing back/forth. i will post my g.skill oc tonight with all bios settings :).

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Hi all, this time is the 272mhz real memory frequency setting on my dfi nf4 sli dr motherbroad with 704-2bta bios and passed the OCCT, Superpi 32m and 9+ hours prime95 blend tests.

 

Hope the setting can help the members who are overclock the cpu with fsb 270-272 with g.skill hz ram.

 

My setting was as below,

 

FSB - 272

LDT - Auto

CPU/FSB Ratio - 10x

Vcore - 1.400*110%

LDTv - 1.2v

CHPv - 1.5v

vDIMM - 2.7v

 

DRAM Frequency Set - 200 (DRAM/FSB:1:1)

Command Per Clock (CPC) - Enable

CAS Latency Control (Tcl) - 3.0

RAS# to CAS# delay (Trcd) - 04 Bus Clocks

Min RAS# active time (Tras) - 06 Bus Clocks

Row precharge time (Trp) - 03 Bus Clocks

Row Cycle time (Trc) - 07 Bus Clocks

Row refresh cyc time (Trfc) - 12 Bus Clocks

Row to Row delay (Trrd) - 00 Bus Clocks

Write recovery time (Twr) - 02 Bus Clocks

Write to Read delay (Twtr) - 01 Bus Clocks

Read to Write delay (Trwt) - 03 Bus Clocks

Refresh Period (Tref) - 3684 Cycles

DRAM Bank Interleave - Enabled

 

DQS Skew Control - Increase Skew

DQS Skew Value - 255

DRAM Drive Strength - Weak4

DRAM Data Drive Strength - Level 3

Max Async Latency - 7.0ns

DRAM Response Time - Normal

Read Preamble Time - 5.0ns

IdleCycle Limit - 64 Cycles

Dynamic Counter - Disable

R/W Queue Bypass - 16 x

Bypass Max - 07 x

32 Byte Granularity - Disable

 

Good Luck. :)

 

*p/s: Update Dynamic Counter from Enable to Disable Due to write wrongly.( Check the picture was show Disable.)

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I've just got my G.Skills in today. They're the newer ones that have S/N's that start with 0603. However, unlike most people, it seems that I'll have good luck with these. I have by no means finished testing them, but I'm currently running them at 270Mhz on 2.63 vdimm and have been all day since getting them (with a few preliminary laps through memtest and about a half hour of priming to ensure minimal stability). Not too shabby. I'll test overnight, but I'm optimistic at this point. I don't really want to go any higher, so I'm happy right here with a nice 2.7Ghz on my X2 3800+ :)

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Here's my settings, been running them for about two weeks now. I am really impressed with this memory so far :nod: ...

 

NF4 Ultra-D 623-1

FSB - 260

LDT - Auto

CPU/FSB Ratio - x11

Vcore - 1.425 x 104%

LDTv - 1.40

CHPv - 1.6

vDIMM - 2.6

 

DRAM Frequency Set - 200 (DRAM/FSB:1/01)

Command Per Clock (CPC) - Enable

CAS Latency Control (Tcl) - 3.0

RAS# to CAS# delay (Trcd) - 04 Bus Clocks

Min RAS# active time (Tras) - 07 Bus Clocks

Row precharge time (Trp) - 03 Bus Clocks

Row Cycle time (Trc) - 07 Bus Clocks

Row refresh cyc time (Trfc) - 15 Bus Clocks

Row to Row delay (Trrd) - 02 Bus Clocks

Write recovery time (Twr) - 02 Bus Clocks

Write to Read delay (Twtr) - 02 Bus Clocks

Read to Write delay (Trwt) - 03 Bus Clocks

Refresh Period (Tref) - Auto

Write CAS Latency (Twcl) - Auto

DRAM Bank Interleave - Enabled

 

DQS Skew Control - Auto

DQS Skew Value - 0

DRAM Drive Strength - Level 7

DRAM Data Drive Strength - Level 3

Max Async Latency - 7.0ns

DRAM Response Time - Normal

Read Preamble Time - 5.5ns

IdleCycle Limit - 256 Cycles

Dynamic Counter - Disable

R/W Queue Bypass - 16 x

Bypass Max - 07 x

32 Byte Granularity - Disable(4 Bursts)

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Just built a system last night and this afternoon. Didn't get very adventurous yet, just played with a few values from ooztuncer's cheat sheet. Thanks to all of you for all the help. I'd rather learn from others mistakes than my own!

 

Anyway, these G.Skill's are the new 0608's and detect at 3-5-5-10. Prime stable @265 for 5 hours so far after failing at 267.

 

Here's what I have:

 

Opteron 146

NF4 Ultra-D 623-1

FSB - 265

LDT - x3

CPU/FSB Ratio - x10

Vcore - 1.425 x 104%

LDTv - 1.3

CHPv - 1.5

vDIMM - 2.6

 

For the spread sheet

 

Board - ultra-d

Real Ram MHz: - 265

BIOS version - 623-1

FSB Bus frequency - 265

LDT/FSB frequency ratio - 3

CPU/FSB frequency ratio - 10

PCI-Express frequency - 100

LDT voltage control - 1.3

Chipset voltage control - 1.5

DRAM voltage control - 2.6

Dram frequency set (MHz) - 200

Command per clock (CPC) - enable

CAS latency control (tCL) - 3

RAS# to CAS# delay (tRCD) - 4

Min RAS# Active Timing (tRAS) - 8

Row Precharge timing (tRP) - 4

Row cycle time (tRC) - 7

Row refresh cycle time (tRFC) - 14

Row to row delay (tRRD) - 2

Write recovery time (tWR) - 2

Write to read delay (tWTR) - 2

Read to write delay (tRTW) - 3

Refresh period (tREF) - 3684

Write CAS# latency (tWCL) - 1

DRAM bank interleave - enable

DQS skew control - auto

DQS skew value - 0

DRAM drive strength - 7

DRAM data drive strength - 3

Max Async Latency - 8

**DRAM response time - normal

Read Preamble time - 5

Idle cycle limit - 16

Dynamic counter - disable

R/W queue bypass - 16x

Bypass max - 7x

32 byte granulation - disable

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