I'll try to make this short, but need to give all the details,
so......
i have basically a gaming system for my wife. Built it for xmas and
because i went high end with video card, i only got 2 gigs RAM. For
these few months, system has been ROCK SOLID, never a crash, fast as
fast......everything great.
Found RAM, same type i have in, had rebate going so i picked up
another 2 gigs.Shortly after install, system would kick out of WOW and
back to desktop, giving memory error. You could always relaunch
without reboot and launch WOW again till it happened again. Pulled
new 2 gigs and system went back to flawless operations.
Downloaded free memory tester (http://www.memtest86.com/) and did some
testing. I decided to do a baseline test using only known good 2 gigs
ram. Test fails hard and locks up system.Move 64k block test. And this
was with first 2 gigs ram that works without errors.Swapped ram with
new, was able to quickly isolate one defective chip, other seems good.
NOW back to old ram that works flawless, installing both sticks, tests
fails as stated above.BUT, if i take system down to 1, 1 gig stick and
test one at a time, both sticks pass, without a problem, multiple
tests. IF i move one of these sticks to memory slot 1 instead of zero,
they still test fine. Only when both sticks are in does memory test
fail.
And now as i writing, wife informs me my flawless system just rebooted
on it own, FIRST failure every. This is 1st ram, so i just swapped
slots, but not ram. Moved ram in slot 0 to slot 1 and vise visa. SEEMS
to be doing fine again, not reboots for over 3 hours.
bill wrote:
> I'll try to make this short, but need to give all the details,
> so......
>
> i have basically a gaming system for my wife. Built it for xmas and
> because i went high end with video card, i only got 2 gigs RAM. For
> these few months, system has been ROCK SOLID, never a crash, fast as
> fast......everything great.
>
> Found RAM, same type i have in, had rebate going so i picked up
> another 2 gigs.Shortly after install, system would kick out of WOW and
> back to desktop, giving memory error. You could always relaunch
> without reboot and launch WOW again till it happened again. Pulled
> new 2 gigs and system went back to flawless operations.
>
> Downloaded free memory tester (http://www.memtest86.com/) and did some
> testing. I decided to do a baseline test using only known good 2 gigs
> ram. Test fails hard and locks up system.Move 64k block test. And this
> was with first 2 gigs ram that works without errors.Swapped ram with
> new, was able to quickly isolate one defective chip, other seems good.
> NOW back to old ram that works flawless, installing both sticks, tests
> fails as stated above.BUT, if i take system down to 1, 1 gig stick and
> test one at a time, both sticks pass, without a problem, multiple
> tests. IF i move one of these sticks to memory slot 1 instead of zero,
> they still test fine. Only when both sticks are in does memory test
> fail.
>
> And now as i writing, wife informs me my flawless system just rebooted
> on it own, FIRST failure every. This is 1st ram, so i just swapped
> slots, but not ram. Moved ram in slot 0 to slot 1 and vise visa. SEEMS
> to be doing fine again, not reboots for over 3 hours.
>
> someone got some idea's??
>
Each generation of memory, is supposed to be improving on the previous
generation, in terms of the memory bus and sensitivity to loading.
Some of the original DDR2 tests, with two sticks versus four sticks of
memory, showed that only a very slight change of timing was necessary,
to get the same level of stability. Something along the lines, that
if two sticks ran 5-5-5-15, four sticks might run 5-6-5-15. The first
number is CAS, and has the largest effect on performance, but CAS manages
to stay the same.
DDR2 chips have ODT or "on-die termination". Those terminations give the
hardware more options for properly terminating bus signals. There are
other tricks as well, for improving signalling.
Now, that being said, later motherboards have come out, where one slot of
the two on the channel, seems to work better. I don't know why this would be
the case, but there is that possibility.
Memory is now dirt cheap, and with that dirt cheapness comes a need to
make money. About the only thing you can cut corners on, is test time.
I'm sure there are some memory products out there, that aren't tested
at all (solder and ship).
Possible reasons for your problems:
1) Vdimm not high enough for error free operation, at the speed you've
selected for the memory bus. 1/8V is nominal. Products usually mention
a max or suggested value, like 2.0V or 2.1V etc.
2) Accidental overclock of memory, while overclocking processor. Use CPUZ
from cpuid.com to verify that the settings are correct.
3) Overheating Northbridge. Overheating processor. Use Speedfan or the
manufacturer provided hardware monitor utility, to check what sensors
have been provided. Stick a finger on your heatsinks (including chipset).
If you burn yourself on anything, fix it.
You can also check the Newegg reviews for the product you bought, to get
some idea what results other people are getting with the product in
question.
For further help, state motherboard brand/model number, CPU type, memory
brand and model number, CPU and memory speeds (3.0GHz core, FSB1333,
DDR2-800 running at DDR2-800 5-5-5-15 etc). You should be able to get some
of that info from CPUZ.
On Apr 13, 8:41 pm, Paul <nos...@needed.com> wrote:
> bill wrote:
> > I'll try to make this short, but need to give all the details,
> > so......
>
> > i have basically a gaming system for my wife. Built it for xmas and
> > because i went high end with video card, i only got 2 gigs RAM. For
> > these few months, system has been ROCK SOLID, never a crash, fast as
> > fast......everything great.
>
> > Found RAM, same type i have in, had rebate going so i picked up
> > another 2 gigs.Shortly after install, system would kick out of WOW and
> > back to desktop, giving memory error. You could always relaunch
> > without reboot and launch WOW again till it happened again. Pulled
> > new 2 gigs and system went back to flawless operations.
>
> > Downloaded free memory tester (http://www.memtest86.com/) and did some
> > testing. I decided to do a baseline test using only known good 2 gigs
> > ram. Test fails hard and locks up system.Move 64k block test. And this
> > was with first 2 gigs ram that works without errors.Swapped ram with
> > new, was able to quickly isolate one defective chip, other seems good.
> > NOW back to old ram that works flawless, installing both sticks, tests
> > fails as stated above.BUT, if i take system down to 1, 1 gig stick and
> > test one at a time, both sticks pass, without a problem, multiple
> > tests. IF i move one of these sticks to memory slot 1 instead of zero,
> > they still test fine. Only when both sticks are in does memory test
> > fail.
>
> > And now as i writing, wife informs me my flawless system just rebooted
> > on it own, FIRST failure every. This is 1st ram, so i just swapped
> > slots, but not ram. Moved ram in slot 0 to slot 1 and vise visa. SEEMS
> > to be doing fine again, not reboots for over 3 hours.
>
> > someone got some idea's??
>
> Each generation of memory, is supposed to be improving on the previous
> generation, in terms of the memory bus and sensitivity to loading.
>
> Some of the original DDR2 tests, with two sticks versus four sticks of
> memory, showed that only a very slight change of timing was necessary,
> to get the same level of stability. Something along the lines, that
> if two sticks ran 5-5-5-15, four sticks might run 5-6-5-15. The first
> number is CAS, and has the largest effect on performance, but CAS manages
> to stay the same.
>
> DDR2 chips have ODT or "on-die termination". Those terminations give the
> hardware more options for properly terminating bus signals. There are
> other tricks as well, for improving signalling.
>
> Now, that being said, later motherboards have come out, where one slot of
> the two on the channel, seems to work better. I don't know why this would be
> the case, but there is that possibility.
>
> Memory is now dirt cheap, and with that dirt cheapness comes a need to
> make money. About the only thing you can cut corners on, is test time.
> I'm sure there are some memory products out there, that aren't tested
> at all (solder and ship).
>
> Possible reasons for your problems:
>
> 1) Vdimm not high enough for error free operation, at the speed you've
> selected for the memory bus. 1/8V is nominal. Products usually mention
> a max or suggested value, like 2.0V or 2.1V etc.
> 2) Accidental overclock of memory, while overclocking processor. Use CPUZ
> from cpuid.com to verify that the settings are correct.
> 3) Overheating Northbridge. Overheating processor. Use Speedfan or the
> manufacturer provided hardware monitor utility, to check what sensors
> have been provided. Stick a finger on your heatsinks (including chipset).
> If you burn yourself on anything, fix it.
>
> You can also check the Newegg reviews for the product you bought, to get
> some idea what results other people are getting with the product in
> question.
>
> For further help, state motherboard brand/model number, CPU type, memory
> brand and model number, CPU and memory speeds (3.0GHz core, FSB1333,
> DDR2-800 running at DDR2-800 5-5-5-15 etc). You should be able to get some
> of that info from CPUZ.
>
> Paul
Will take until monday evening for me to post those results. As far as
temp, everything is monitored and watched, cooling fans on everything
with built in temp monitors, watch those carefully, nothing out of the
normals.This is a link to my system, but i didnt get memory, will post
link for memory under:
Processors Information
------------------------------------------------------------------------------------
Processor 1 (ID = 0)
Number of cores 4 (max 4)
Number of threads 4 (max 4)
Name Intel Core 2 Quad Q6600
Codename Kentsfield
Specification Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz
Package Socket 775 LGA (platform ID = 4h)
CPUID 6.F.B
Extended CPUID 6.F
Core Stepping G0
Technology 65 nm
Core Speed 2400.9 MHz (9.0 x 266.8 MHz)
Rated Bus speed 1067.1 MHz
Stock frequency 2400 MHz
Instructions sets MMX, SSE, SSE2, SSE3, SSSE3, EM64T
L1 Data cache 4 x 32 KBytes, 8-way set associative, 64-byte line size
L1 Instruction cache 4 x 32 KBytes, 8-way set associative, 64-byte
line size
L2 cache 2 x 4096 KBytes, 16-way set associative, 64-byte line size
FID/VID Control yes
FID range 6.0x - 9.0x
max VID 1.238 V
Features XD, VT
Northbridge NVIDIA nForce 680i SLI SPP rev. A2
Southbridge NVIDIA nForce 680i SLI MCP rev. A2
Graphic Interface PCI-Express
PCI-E Link Width x16
PCI-E Max Link Width x16
Memory Type DDR2
Memory Size 2048 MBytes
Channels Dual
Memory Frequency 400.1 MHz (2:3)
CAS# 4.0
RAS# to CAS# 4
RAS# Precharge 4
Cycle Time (tRAS) 15
Bank Cycle Time (tRC) 23
Command Rate 2T
Memory SPD
------------------------------------------------------------------------------
DIMM #1
General
Memory type DDR2
Module format Regular UDIMM
Manufacturer (ID) OCZ (7F7F7F7FB0000000)
Size 1024 MBytes
Max bandwidth PC2-6400 (400 MHz)
Part number OCZ2P800R21G
Serial number FFFFFFFF
Manufacturing date Week 165/Year 165
Attributes
Number of banks 2
Data width 64 bits
Correction None
Nominal Voltage 1.80 Volts
EPP no
XMP no
General
Memory type DDR2
Module format Regular UDIMM
Manufacturer (ID) OCZ (7F7F7F7FB0000000)
Size 1024 MBytes
Max bandwidth PC2-6400 (400 MHz)
Part number OCZ2P800R21G
Serial number FFFFFFFF
Manufacturing date Week 165/Year 165
Attributes
Number of banks 2
Data width 64 bits
Correction None
Nominal Voltage 1.80 Volts
EPP no
XMP no
Mainboard Model XFX Nforce 680i LT (0x55A - 0xEBB0E280)
LPCIO
-----------------------------------------------------
Vendor Winbond
Model W83627DHG
Vendor ID 0x5CA3
Chip ID 0xA0
Revision ID 0x23
Config Mode I/O address 0x2E
DMI Port Connector
------------------
designation PRIMARY IDE (internal)
connector On Board IDE
DMI Port Connector
------------------
designation FDD (internal)
port type 8251 FIFO Compatible
connector On Board Floppy
DMI Port Connector
------------------
designation COM1 (internal)
port type Serial Port 16450
connector 9 Pin Dual Inline (pin 10 cut)
connector DB-9 male
DMI Port Connector
------------------
designation Keyboard (internal)
port type Keyboard Port
connector PS/2
connector PS/2
DMI Port Connector
------------------
designation PS/2 Mouse (internal)
port type Mouse Port
connector PS/2
connector PS/2
DMI Port Connector
------------------
designation USB0 (external)
port type USB
DMI Port Connector
------------------
designation USB1 (external)
port type USB
DMI Port Connector
------------------
designation USB2 (external)
port type USB
DMI Port Connector
------------------
designation USB3 (external)
port type USB
DMI Port Connector
------------------
designation USB4 (external)
port type USB
DMI Port Connector
------------------
designation USB5 (external)
port type USB
DMI Extension Slot
------------------
designation PCI0
type PCI
width 32 bits
populated no
DMI Extension Slot
------------------
designation PCI1
type PCI
width 32 bits
populated no
DMI Physical Memory Array
-------------------------
location Motherboard
usage System Memory
correction None
max capacity 2048 MBytes
max# of devices 4
DMI Memory Device
-----------------
designation A0
format DIMM
type DRAM
DMI Memory Device
-----------------
designation A1
format DIMM
type DRAM
DMI Memory Device
-----------------
designation A2
format DIMM
type DRAM
total width 128 bits
data width 128 bits
size 1024 MBytes
DMI Memory Device
-----------------
designation A3
format DIMM
type DRAM
total width 128 bits
data width 128 bits
size 1024 MBytes
bill wrote:
> On Apr 13, 8:41 pm, Paul <nos...@needed.com> wrote:
>>
>> Possible reasons for your problems:
>>
>> 1) Vdimm not high enough for error free operation, at the speed you've
>> selected for the memory bus. 1/8V is nominal. Products usually mention
>> a max or suggested value, like 2.0V or 2.1V etc.
>> 2) Accidental overclock of memory, while overclocking processor. Use CPUZ
>> from cpuid.com to verify that the settings are correct.
>> 3) Overheating Northbridge. Overheating processor. Use Speedfan or the
>> manufacturer provided hardware monitor utility, to check what sensors
>> have been provided. Stick a finger on your heatsinks (including chipset).
>> If you burn yourself on anything, fix it.
>>
>> You can also check the Newegg reviews for the product you bought, to get
>> some idea what results other people are getting with the product in
>> question.
>>
>> For further help, state motherboard brand/model number, CPU type, memory
>> brand and model number, CPU and memory speeds (3.0GHz core, FSB1333,
>> DDR2-800 running at DDR2-800 5-5-5-15 etc). You should be able to get some
>> of that info from CPUZ.
>>
>> Paul
>
> Will take until monday evening for me to post those results. As far as
> temp, everything is monitored and watched, cooling fans on everything
> with built in temp monitors, watch those carefully, nothing out of the
> normals.This is a link to my system, but i didnt get memory, will post
> link for memory under:
>
> http://www.tigerdirect.com/applicati...=P450-9102%20N
>
> RAM:
> http://www.tigerdirect.com/applicati...?EdpNo=2882686
The second memory is more or less the same. 1.9-2.1V 4-4-4-15 OCZ2P800R22GK
The BIOS should use 4-4-4-15. And if there was a command rate setting, it would
make sense if it was set to 2T.
As far as I know, some of the Nvidia boards are "Nvidia reference", meaning that
up to four motherboard manufacturers are shipping the same actual board, but
with a different heatsink (with their own brand on it). It is possible that
Nvidia is the one providing BIOS updates. That might also mean, that the behavior
noted for an EVGA version, would be the same as an XFX version.
On Apr 13, 11:16*pm, Paul <nos...@needed.com> wrote:
> bill wrote:
> > On Apr 13, 8:41 pm, Paul <nos...@needed.com> wrote:
>
> >> Possible reasons for your problems:
>
> >> 1) Vdimm not high enough for error free operation, at the speed you've
> >> * * selected for the memory bus. 1/8V is nominal. Products usually mention
> >> * * a max or suggested value, like 2.0V or 2.1V etc.
> >> 2) Accidental overclock of memory, while overclocking processor. Use CPUZ
> >> * * from cpuid.com to verify that the settings are correct.
> >> 3) Overheating Northbridge. Overheating processor. Use Speedfan or the
> >> * * manufacturer provided hardware monitor utility, to check what sensors
> >> * * have been provided. Stick a finger on your heatsinks (includingchipset).
> >> * * If you burn yourself on anything, fix it.
>
> >> You can also check the Newegg reviews for the product you bought, to get
> >> some idea what results other people are getting with the product in
> >> question.
>
> >> For further help, state motherboard brand/model number, CPU type, memory
> >> brand and model number, CPU and memory speeds (3.0GHz core, FSB1333,
> >> DDR2-800 running at DDR2-800 5-5-5-15 etc). You should be able to get some
> >> of that info from CPUZ.
>
> >> * * Paul
>
> > Will take until monday evening for me to post those results. As far as
> > temp, everything is monitored and watched, cooling fans on everything
> > with built in temp monitors, watch those carefully, nothing out of the
> > normals.This is a link to my system, but i didnt get memory, will post
> > link for memory under:
>
> >http://www.tigerdirect.com/applicati...m-details.asp?...
>
> > RAM:
> >http://www.tigerdirect.com/applicati...m-details.asp?...
>
> This RAM is rated at 2.1Vhttp://www.corsairmicro.com/_datasheets/TWIN2X2048-6400C4.pdf
>
> The second memory is more or less the same. 1.9-2.1V 4-4-4-15 OCZ2P800R22GK
> The BIOS should use 4-4-4-15. And if there was a command rate setting, it would
> make sense if it was set to 2T.
>
> http://www.ocztechnology.com/product...c2_6400_platin...
>
> Example of a memory compatibility chart.
>
> http://evga.com/support/mbmem/
>
> Perhaps there is a BIOS update on the XFX site. (They want a serial number, to
> look at their downloads.)
>
> http://www.xfxforce.com
>
> As far as I know, some of the Nvidia boards are "Nvidia reference", meaning that
> up to four motherboard manufacturers are shipping the same actual board, but
> with a different heatsink (with their own brand on it). It is possible that
> Nvidia is the one providing BIOS updates. That might also mean, that the behavior
> noted for an EVGA version, would be the same as an XFX version.
>
> http://www.xtremesystems.org/forums/...2339&page=13&h....
>
> * * Paul- Hide quoted text -
>
> - Show quoted text -
Just a matter or prying my wife away from the system. Thats actually
the hard part in all this. Thanks for your help
On Apr 13, 11:16*pm, Paul <nos...@needed.com> wrote:
> bill wrote:
> > On Apr 13, 8:41 pm, Paul <nos...@needed.com> wrote:
>
> >> Possible reasons for your problems:
>
> >> 1) Vdimm not high enough for error free operation, at the speed you've
> >> * * selected for the memory bus. 1/8V is nominal. Products usually mention
> >> * * a max or suggested value, like 2.0V or 2.1V etc.
> >> 2) Accidental overclock of memory, while overclocking processor. Use CPUZ
> >> * * from cpuid.com to verify that the settings are correct.
> >> 3) Overheating Northbridge. Overheating processor. Use Speedfan or the
> >> * * manufacturer provided hardware monitor utility, to check what sensors
> >> * * have been provided. Stick a finger on your heatsinks (includingchipset).
> >> * * If you burn yourself on anything, fix it.
>
> >> You can also check the Newegg reviews for the product you bought, to get
> >> some idea what results other people are getting with the product in
> >> question.
>
> >> For further help, state motherboard brand/model number, CPU type, memory
> >> brand and model number, CPU and memory speeds (3.0GHz core, FSB1333,
> >> DDR2-800 running at DDR2-800 5-5-5-15 etc). You should be able to get some
> >> of that info from CPUZ.
>
> >> * * Paul
>
> > Will take until monday evening for me to post those results. As far as
> > temp, everything is monitored and watched, cooling fans on everything
> > with built in temp monitors, watch those carefully, nothing out of the
> > normals.This is a link to my system, but i didnt get memory, will post
> > link for memory under:
>
> >http://www.tigerdirect.com/applicati...m-details.asp?...
>
> > RAM:
> >http://www.tigerdirect.com/applicati...m-details.asp?...
>
> This RAM is rated at 2.1Vhttp://www.corsairmicro.com/_datasheets/TWIN2X2048-6400C4.pdf
>
> The second memory is more or less the same. 1.9-2.1V 4-4-4-15 OCZ2P800R22GK
> The BIOS should use 4-4-4-15. And if there was a command rate setting, it would
> make sense if it was set to 2T.
>
> http://www.ocztechnology.com/product...c2_6400_platin...
>
> Example of a memory compatibility chart.
>
> http://evga.com/support/mbmem/
>
> Perhaps there is a BIOS update on the XFX site. (They want a serial number, to
> look at their downloads.)
>
> http://www.xfxforce.com
>
> As far as I know, some of the Nvidia boards are "Nvidia reference", meaning that
> up to four motherboard manufacturers are shipping the same actual board, but
> with a different heatsink (with their own brand on it). It is possible that
> Nvidia is the one providing BIOS updates. That might also mean, that the behavior
> noted for an EVGA version, would be the same as an XFX version.
>
> http://www.xtremesystems.org/forums/...2339&page=13&h....
>
> * * Paul- Hide quoted text -
>
> - Show quoted text -
Memory Issue or Test issue?? 
Linear Mode
