new memory

  • Thread starter Thread starter Squibbly
  • Start date Start date
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Squibbly

i have just installed new memory for my pc it was before pc2700 768Mb, now
its pc3200 1Gb, do i need to configure the bios, because a game i am playing
has now become unstable i have run microsoft's memory tester and memtest for
the linux system and both report no problems with the module
 
you could just go into the bios and check the spd or you may have to
reconfigure the game.
 
BigJim said:
you could just go into the bios and check the spd or you may have to
reconfigure the game.
Squibbly said:
i have just installed new memory for my pc it was before pc2700 768Mb, now
its pc3200 1Gb, do i need to configure the bios, because a game i am
playing has now become unstable i have run microsoft's memory tester and
memtest for the linux system and both report no problems with the module
Click to expand...

tell you the truth, every applications is becoming very unstable
Click to expand...
 
Squibbly said:
BigJim said:
you could just go into the bios and check the spd or you may have to
reconfigure the game.


tell you the truth, every applications is becoming very unstable
Click to expand...
What do you mean by 'unstable'? What are system specs, including make
and power rating of PSU?
Mike.
Click to expand...
 
Squibbly said:
BigJim said:
you could just go into the bios and check the spd or you may have to
reconfigure the game.


tell you the truth, every applications is becoming very unstable
Click to expand...

i dont have this problem of unstability in linux ubuntu
Click to expand...
 
Michael Hawes said:
What do you mean by 'unstable'? What are system specs, including make
and power rating of PSU?
Mike.
Click to expand...

what i mean by unstable, virtually all programs and software seem to be
crashing after a while
win xp
1gb ram
thats my system specs
 
Squibbly said:
power rating is 400watts
Click to expand...

For real or just advertising? Because www.jonnyguru.com shows that two
550W Powmax Assassins burned out at 200W and 300W. OTOH he was able to
squeeze 500W from a 350W Fortron/Sparkle. And recently a local store
had two free-after-rebate PSUs, a 420W Powmax and case and a 350W Ultra
V-Series (by Wintech). The 350W Ultra looked a lot more substantial
inside than the 420W Powmax, and Jonny Guru verified that the Ultra's
350W rating was legitimate.

But I think the problem is the memory, not the PSU, because memory
doesn't use that much power. Microsoft's memory diagnostic isn't very
good, although one person said it detected an error that MemTest86 and
maybe Gold Memory missed. How long did you run MemTest86 or MemTest+
? Because it can take several hours for errors to pop up (one of my
modules tested fine until 4-5 hours, another person saw no errors until
6 hours), and some modules will pass one of these diagnostics but fail
Gold Memory (and I had a module pass Gold but fail MemTest86), so I
always test overnight with both Gold and MemTest86. I also test each
module in different mobos and different memory slots, along with
different combinations of other modules, and if I get any errors at all
at the default settings, then I take back the memory.

Have you tried different BIOS settings for the memory timings? Because
the SPD chip on the module isn't always programmed right to let the
automatic configuration choose the correct settings, and I've had many
Kingston modules give errors because the 1T/2T parameter should have
been set to 2T.
 
larry moe 'n curly said:
For real or just advertising? Because www.jonnyguru.com shows that two
550W Powmax Assassins burned out at 200W and 300W. OTOH he was able to
squeeze 500W from a 350W Fortron/Sparkle. And recently a local store
had two free-after-rebate PSUs, a 420W Powmax and case and a 350W Ultra
V-Series (by Wintech). The 350W Ultra looked a lot more substantial
inside than the 420W Powmax, and Jonny Guru verified that the Ultra's
350W rating was legitimate.

But I think the problem is the memory, not the PSU, because memory
doesn't use that much power. Microsoft's memory diagnostic isn't very
good, although one person said it detected an error that MemTest86 and
maybe Gold Memory missed. How long did you run MemTest86 or MemTest+
? Because it can take several hours for errors to pop up (one of my
modules tested fine until 4-5 hours, another person saw no errors until
6 hours), and some modules will pass one of these diagnostics but fail
Gold Memory (and I had a module pass Gold but fail MemTest86), so I
always test overnight with both Gold and MemTest86. I also test each
module in different mobos and different memory slots, along with
different combinations of other modules, and if I get any errors at all
at the default settings, then I take back the memory.

Have you tried different BIOS settings for the memory timings? Because
the SPD chip on the module isn't always programmed right to let the
automatic configuration choose the correct settings, and I've had many
Kingston modules give errors because the 1T/2T parameter should have
been set to 2T.
Click to expand...
does the pc3200 memory modules have to have a cpu that matches up to the cpu
fsb?? maybe this instability has something to do with that? tell you the
truth also, some of the programs that im seeing used to crash but not as
often as now, has it got something to do with windows i am currently testing
using memtest+86 from the ubuntu grub boot menu for the last few hours so
far nothing has showed up

replying from my laptop if you want to know why two different names
 
does the pc3200 memory modules have to have a cpu that matches up to
the cpu fsb??
Click to expand...

I think it depends on the mobo's chipset, but many of them now let the
memory and CPU buses to run at different speeds, and I've had no
problems running PC3200 memory at a memory bus speed of 333 MHz (PC2700
speed). In fact I think that every module that failed at the PC3200
defaults worked fine at PC2700. All my PC3200 has even worked at 266
MHz (PC2100), except sometimes at the mobo's safe defaults (optimized
defaults OK).
tell you the truth also, some of the programs that im seeing used to crash
but not as often as now, has it got something to do with windows i am
currently testing using memtest+86 from the ubuntu grub boot menu for
the last few hours so far nothing has showed up
Click to expand...

I'd also use Gold Memory because one of those modules that was fine for
4-5 hours with MemTest86 always showed errors within a few minutes with
Gold. Also www.realworldtech.com has some reviews of memory
diagnostics, and Gold was one of the few to beat MemTest86, although
the reviewer liked it as well.

Have you measured your PSU and CPU voltages with a meter, in case
you're experiencing capacitor rot? The mobo's readings can't be
trusted.
 
larry moe 'n curly said:
I think it depends on the mobo's chipset, but many of them now let the
memory and CPU buses to run at different speeds, and I've had no
problems running PC3200 memory at a memory bus speed of 333 MHz (PC2700
speed). In fact I think that every module that failed at the PC3200
defaults worked fine at PC2700. All my PC3200 has even worked at 266
MHz (PC2100), except sometimes at the mobo's safe defaults (optimized
defaults OK).


I'd also use Gold Memory because one of those modules that was fine for
4-5 hours with MemTest86 always showed errors within a few minutes with
Gold. Also www.realworldtech.com has some reviews of memory
diagnostics, and Gold was one of the few to beat MemTest86, although
the reviewer liked it as well.

Have you measured your PSU and CPU voltages with a meter, in case
you're experiencing capacitor rot? The mobo's readings can't be
trusted.
Click to expand...

havent dare really to check with multimeter
 
larry moe 'n curly said:
I think it depends on the mobo's chipset, but many of them now let the
memory and CPU buses to run at different speeds, and I've had no
problems running PC3200 memory at a memory bus speed of 333 MHz (PC2700
speed). In fact I think that every module that failed at the PC3200
defaults worked fine at PC2700. All my PC3200 has even worked at 266
MHz (PC2100), except sometimes at the mobo's safe defaults (optimized
defaults OK).


I'd also use Gold Memory because one of those modules that was fine for
4-5 hours with MemTest86 always showed errors within a few minutes with
Gold. Also www.realworldtech.com has some reviews of memory
diagnostics, and Gold was one of the few to beat MemTest86, although
the reviewer liked it as well.

Have you measured your PSU and CPU voltages with a meter, in case
you're experiencing capacitor rot? The mobo's readings can't be
trusted.
Click to expand...

what i cant understand, is that it works well with linux ubuntu and not
windows, seems like the windows installation has gone corrupted, as a last
resort i will try to re-install windows and see if that works
 
larry moe 'n curly said:
I think it depends on the mobo's chipset, but many of them now let the
memory and CPU buses to run at different speeds, and I've had no
problems running PC3200 memory at a memory bus speed of 333 MHz (PC2700
speed). In fact I think that every module that failed at the PC3200
defaults worked fine at PC2700. All my PC3200 has even worked at 266
MHz (PC2100), except sometimes at the mobo's safe defaults (optimized
defaults OK).


I'd also use Gold Memory because one of those modules that was fine for
4-5 hours with MemTest86 always showed errors within a few minutes with
Gold. Also www.realworldtech.com has some reviews of memory
diagnostics, and Gold was one of the few to beat MemTest86, although
the reviewer liked it as well.

Have you measured your PSU and CPU voltages with a meter, in case
you're experiencing capacitor rot? The mobo's readings can't be
trusted.
Click to expand...

would putting in the last dimm slot cause the problem? as it is only one
module
 
Squibbly said:
would putting in the last dimm slot cause the problem? as it is only one
module
Click to expand...

I've had modules work in one socket but not the other, most recently a
Kingston 512MB PC3200 bought a few weeks ago when CIrcuit City had it
for $20 after rebate. Not a single one of those modules worked
error-free at the default BIOS settings in every slot. OTOH yesterday
I bought a PNY 512MB PC3200, also $20 AR, and it passed every test,
just as all my other PNY DDR modules have. This one had chips marked
PNY, and the SPD was set for 2.5 3 3 8. My older 512MB PC3200 PNYs had
chis marked BRAVO and SPDs set for 3 4 4 8, but they all ran fine at 3
3 3 8.
 
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