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Unsupported ram worst case?

post #1 of 6
Thread Starter 
So...I used some spare 2x1gb DDR2-4200 533mhz from Corsair ram from a older mini-itx box that I'd somehow mess up. I did some troubleshooting it and figure the CPU and Mobo as the dead part. I assume cause mobo was dead so it fired the CPU...but I didn't think it did anything to the RAM, maybe.

So, I brought myself a new mobo/cpu and its a intel atom. Except the new mobo only support DDR2 6400 and 5300. But I pop in the old DDR2-4200 anyway. Nothing. Retry with different slot and using only one, etc, etc. Nada. I would like to hear some suggestion as to why the monitor won't show up as having an signal even though If I unhook it, it'll signal that there's no cable attach. This is the same thing that happen to my old mini-itx machine that I mess up on.

I'd savage an shuttle KPC PSU, case and the leftover ram. I didn't think it was the PSU (might, but I doubt it). I'm going to go buy some DDR2-5300/6400 tomorrow to check if it's compatibility issue or something more serious.

The mobo I brough was the Foxconn D42S.

I wanna know if compatibility issue, like mobo not supporting a lower speed ram, would cause it not to show even a POST on my monitor (can't get anything but blank screen-saving monitor mode).

Thanks.

If the 5300 doesn't fan out, I'll have to call it a loss and just sell everything that I can savage.
post #2 of 6
Probably the motherboard has to read a JEDEC SPD of at least DDR2-667 (PC2-5300) to boot up properly. And yeah, your RAM's probably toast, too.
4690K System
(12 items)
 
HTPC
(9 items)
 
HP dv6 laptop
(13 items)
 
CPUMotherboardGraphicsRAM
Core i5 4690K ASRock Z97 Extreme4 XFX Radeon 7950 32 GB DDR3-2133 
Hard DriveOptical DriveCoolingOS
Samsung 850 EVO SSD Samsung DVD/CD-writer Corsair Hydro H60 Windows 7 
MonitorMonitorPowerCase
ASUS PA248Q Dell U2412M XFX 850W Black Edition XXX Fractal Design Arc Midi 2 
CPUMotherboardGraphicsRAM
Pentium Dual Core E6700 MSI G41M-P33 Combo ATI HD4350 Kingston ValueRAM DDR3-1333 
RAMHard DriveOSMonitor
Kingston ValueRAM DDR3-1333 WD Caviar Blue Windows 7 64-bit Sony 32" TV set 
Case
Apex TX-381 
CPUGraphicsRAMHard Drive
Core i5 430M GT230M (1 Gb dedicated) 8 GB DDR3-1066 640 GB 
OSMonitor
Windows 7 Home Premium (64-bit) 15.6" 
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4690K System
(12 items)
 
HTPC
(9 items)
 
HP dv6 laptop
(13 items)
 
CPUMotherboardGraphicsRAM
Core i5 4690K ASRock Z97 Extreme4 XFX Radeon 7950 32 GB DDR3-2133 
Hard DriveOptical DriveCoolingOS
Samsung 850 EVO SSD Samsung DVD/CD-writer Corsair Hydro H60 Windows 7 
MonitorMonitorPowerCase
ASUS PA248Q Dell U2412M XFX 850W Black Edition XXX Fractal Design Arc Midi 2 
CPUMotherboardGraphicsRAM
Pentium Dual Core E6700 MSI G41M-P33 Combo ATI HD4350 Kingston ValueRAM DDR3-1333 
RAMHard DriveOSMonitor
Kingston ValueRAM DDR3-1333 WD Caviar Blue Windows 7 64-bit Sony 32" TV set 
Case
Apex TX-381 
CPUGraphicsRAMHard Drive
Core i5 430M GT230M (1 Gb dedicated) 8 GB DDR3-1066 640 GB 
OSMonitor
Windows 7 Home Premium (64-bit) 15.6" 
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Reply
post #3 of 6
Thread Starter 
that was quick. Actually, I realize after I look at a review that I never did test it without the RAM...

So, I did and guess what? BEEP....BEEP...BEEP...pretty long beep, I believe. It keep going on and on. I think that's RAM.

If I unhook the cable, and turn it on, same beep.

I guess it's the RAM, huh? I'm glad...cause otherwise I'll have just wasted $50 for the mobo with no payoff. And 40-50 for the old working mini-itx that I mess up on and spent weeks on. -_-

Not sure what JEDEC SPD is, but I trust it's 6400/5300 I need. I'll keep posted what'll happen tomorrow when I can get some new ram. Another $20 down the drain.

Sam
post #4 of 6
Thread Starter 
DIsappointed that it POST with the DDR2-6400. Now, what the heck should I do with a mini-itx computer? I had plan...but those were something I came up with that appear to be a 'great' idea but in reality was pretty too much work. And pretty pointless.

-_-

But it work, so i got a functional mini-itx sitting in storage now. haha
post #5 of 6
JEDEC is a standards setting body for RAM. SPD means Serial Presence Detect. JEDEC sets some minimum specifications, one being that high performance RAM still has to have default settings corresponding to 667 MHz speeds if the RAM is rated for DDR2-667 or higher.
4690K System
(12 items)
 
HTPC
(9 items)
 
HP dv6 laptop
(13 items)
 
CPUMotherboardGraphicsRAM
Core i5 4690K ASRock Z97 Extreme4 XFX Radeon 7950 32 GB DDR3-2133 
Hard DriveOptical DriveCoolingOS
Samsung 850 EVO SSD Samsung DVD/CD-writer Corsair Hydro H60 Windows 7 
MonitorMonitorPowerCase
ASUS PA248Q Dell U2412M XFX 850W Black Edition XXX Fractal Design Arc Midi 2 
CPUMotherboardGraphicsRAM
Pentium Dual Core E6700 MSI G41M-P33 Combo ATI HD4350 Kingston ValueRAM DDR3-1333 
RAMHard DriveOSMonitor
Kingston ValueRAM DDR3-1333 WD Caviar Blue Windows 7 64-bit Sony 32" TV set 
Case
Apex TX-381 
CPUGraphicsRAMHard Drive
Core i5 430M GT230M (1 Gb dedicated) 8 GB DDR3-1066 640 GB 
OSMonitor
Windows 7 Home Premium (64-bit) 15.6" 
  hide details  
Reply
4690K System
(12 items)
 
HTPC
(9 items)
 
HP dv6 laptop
(13 items)
 
CPUMotherboardGraphicsRAM
Core i5 4690K ASRock Z97 Extreme4 XFX Radeon 7950 32 GB DDR3-2133 
Hard DriveOptical DriveCoolingOS
Samsung 850 EVO SSD Samsung DVD/CD-writer Corsair Hydro H60 Windows 7 
MonitorMonitorPowerCase
ASUS PA248Q Dell U2412M XFX 850W Black Edition XXX Fractal Design Arc Midi 2 
CPUMotherboardGraphicsRAM
Pentium Dual Core E6700 MSI G41M-P33 Combo ATI HD4350 Kingston ValueRAM DDR3-1333 
RAMHard DriveOSMonitor
Kingston ValueRAM DDR3-1333 WD Caviar Blue Windows 7 64-bit Sony 32" TV set 
Case
Apex TX-381 
CPUGraphicsRAMHard Drive
Core i5 430M GT230M (1 Gb dedicated) 8 GB DDR3-1066 640 GB 
OSMonitor
Windows 7 Home Premium (64-bit) 15.6" 
  hide details  
Reply
post #6 of 6
Thread Starter 
Thanks for the info. smile.gif

It worked and everything. But the mobo that I brought require a fan on its heatsink and I'll need to change out the fan on the PSU to lower the volume. It'll be an extra $20 or so.

So...I decided, after I brought a $50 that I can't return, to savage everything and just sell it part or whole. The intel atom was going from 35c to 70 in a matter of 5 minute in the case that it's in. Ugh.

I wasted $110 and only probably getting $80 back from it all. Joy.

Anyway, thanks for the help. At least I can return the memory for $15. lol.

Sam
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