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RAM only showing 4 of 8GB

post #1 of 14
Thread Starter 
Just got a new Crosshair Forumla-Z motherboard with an AMD fx-8350 CPU, and now my Corsair memory is only showing 4 of 8GB. It's 4x2GB sticks, and it worked with my i5-2500k and P8P67 Pro motherboard.

Edit: Just to clarify, I'm running Windows 8 64-bit, and the latest version of the Bios.

Any tips?
Edited by Yagman5000 - 12/22/12 at 4:53pm
post #2 of 14
Try moving both sticks onto another banks.
post #3 of 14
Insert each stick one at a time in each slot and boot the pc to make sure they all work and none are defective, then we can continue to help.
BSOD Macheen
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BSOD Macheen
(15 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX 6300 @ 4.80 GHz [I want 5ghz so badly] Gigabyte 990FXA UD3(Rev 4.1) MSI Gaming R9 270X 2GB @ 1337/1450 Panram 8GB ddr3 @ 2000 Mhz 10-10-10-28-35 1.60V 
Hard DriveHard DriveOptical DriveCooling
Kingston SSD(now) 96GB WD Green 1TB LG Electronics 14x Internal BDXL Lepa aquachanger 240 
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Windows10 Home Premium 64 Bit ASUS VN289 Azio Large Print Tri-Color Backlit Wired Keyboard Rosewill Stallion Series RD600 600W 
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post #4 of 14
What windows you have? 64 or 32 bit? Silly question, but it can sometimes make mistakes.
Sorry my english.
Edited by mkclan - 12/22/12 at 4:42pm
post #5 of 14
Quote:
Originally Posted by mkclan View Post

What windows you have? 64 or 32 bit?

He has 64-bit because he stated that it worked before.
BSOD Macheen
(15 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX 6300 @ 4.80 GHz [I want 5ghz so badly] Gigabyte 990FXA UD3(Rev 4.1) MSI Gaming R9 270X 2GB @ 1337/1450 Panram 8GB ddr3 @ 2000 Mhz 10-10-10-28-35 1.60V 
Hard DriveHard DriveOptical DriveCooling
Kingston SSD(now) 96GB WD Green 1TB LG Electronics 14x Internal BDXL Lepa aquachanger 240 
OSMonitorKeyboardPower
Windows10 Home Premium 64 Bit ASUS VN289 Azio Large Print Tri-Color Backlit Wired Keyboard Rosewill Stallion Series RD600 600W 
CaseMouseAudio
Xclio 320 Black Sentey NEBULUS mouse ASUS Xonar DG 5.1 
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BSOD Macheen
(15 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX 6300 @ 4.80 GHz [I want 5ghz so badly] Gigabyte 990FXA UD3(Rev 4.1) MSI Gaming R9 270X 2GB @ 1337/1450 Panram 8GB ddr3 @ 2000 Mhz 10-10-10-28-35 1.60V 
Hard DriveHard DriveOptical DriveCooling
Kingston SSD(now) 96GB WD Green 1TB LG Electronics 14x Internal BDXL Lepa aquachanger 240 
OSMonitorKeyboardPower
Windows10 Home Premium 64 Bit ASUS VN289 Azio Large Print Tri-Color Backlit Wired Keyboard Rosewill Stallion Series RD600 600W 
CaseMouseAudio
Xclio 320 Black Sentey NEBULUS mouse ASUS Xonar DG 5.1 
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post #6 of 14
could be problem with mobo working in single channel or bad memory.
post #7 of 14
Thread Starter 
Quote:
Originally Posted by Truedeal View Post

Insert each stick one at a time in each slot and boot the pc to make sure they all work and none are defective, then we can continue to help.

Will do, I'll come back when I've done that.
Quote:
Originally Posted by mkclan View Post

What windows you have? 64 or 32 bit? Silly question, but it can sometimes make mistakes.
Sorry my english.

Windows 8 64-bit, updated the initial post in case there was any confusion. Didn't know this could affect anything.
post #8 of 14
Quote:
Originally Posted by Yagman5000 View Post

Will do, I'll come back when I've done that.
Windows 8 64-bit, updated the initial post in case there was any confusion. Didn't know this could affect anything.

Yes, 32 Bit only supports up to 3.5 GB of ram, due to 32bit bandwith limitations.
BSOD Macheen
(15 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX 6300 @ 4.80 GHz [I want 5ghz so badly] Gigabyte 990FXA UD3(Rev 4.1) MSI Gaming R9 270X 2GB @ 1337/1450 Panram 8GB ddr3 @ 2000 Mhz 10-10-10-28-35 1.60V 
Hard DriveHard DriveOptical DriveCooling
Kingston SSD(now) 96GB WD Green 1TB LG Electronics 14x Internal BDXL Lepa aquachanger 240 
OSMonitorKeyboardPower
Windows10 Home Premium 64 Bit ASUS VN289 Azio Large Print Tri-Color Backlit Wired Keyboard Rosewill Stallion Series RD600 600W 
CaseMouseAudio
Xclio 320 Black Sentey NEBULUS mouse ASUS Xonar DG 5.1 
  hide details  
Reply
BSOD Macheen
(15 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX 6300 @ 4.80 GHz [I want 5ghz so badly] Gigabyte 990FXA UD3(Rev 4.1) MSI Gaming R9 270X 2GB @ 1337/1450 Panram 8GB ddr3 @ 2000 Mhz 10-10-10-28-35 1.60V 
Hard DriveHard DriveOptical DriveCooling
Kingston SSD(now) 96GB WD Green 1TB LG Electronics 14x Internal BDXL Lepa aquachanger 240 
OSMonitorKeyboardPower
Windows10 Home Premium 64 Bit ASUS VN289 Azio Large Print Tri-Color Backlit Wired Keyboard Rosewill Stallion Series RD600 600W 
CaseMouseAudio
Xclio 320 Black Sentey NEBULUS mouse ASUS Xonar DG 5.1 
  hide details  
Reply
post #9 of 14
Drivers up to date for the motherboard chipset?
post #10 of 14
Quote:
Originally Posted by Truedeal View Post

Yes, 32 Bit only supports up to 3.5 GB of ram, due to 32bit bandwith limitations.

It’s due to the amount of address bits available to the operation system. A 32 bit system has 32. While a 64 bit system has 64, but theoretically only ever uses around 36 (On high end servers) at this point in time; which is 64 Gigs of RAM.

On normal system you only ever see 33-34 address bits being utilized. (8-16 Gigs)

*Rambles on*

But to steer back on topic. I would suggest trying a different stick or another slot or a different board.

If it works in any of those situations it would either be the board or memory depending on what you try.

Thus making it RMA time after an attempted BIOS update to fix the problem.
Edited by Bobicon - 12/22/12 at 5:27pm
Bob's Computer
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Bob's Computer
(16 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500K MSI P67A-G45 MSI 6970 Lightning 2GB G Skill Ripjaws X (2x4GB) 1866mhz 9-10-9-28 
Hard DriveOptical DriveCoolingOS
Corsair Force 3 SSD (60GB), X1 WD5000AAKS, X1 W... ASUS DRW-24B1ST/BLK/B/AS Black SATA 24X DVD Burner Noctua NH-C14 Windows 7 64 bit 
MonitorKeyboardPowerCase
Asus VH238H Logitech G510 HALE90 750W NZXT Phantom Black 
MouseMouse PadAudioOther
Logitech G9x SteelSeries 4HD ASUS Xonar DGX / Audio-Technica ATH-AD700 Hauppauge! HVR-1250 TV Tuner 
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