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2.75GB usable out of 6GB ram... ***?

post #1 of 8
Thread Starter 
mycomputerpicture.png

can somebody explain why my computer only recognize 2.75gb of ram that is usable out of 6gb? i tried with old 4gb ram and came out same... ram works just fine on other computer so it's not a ram that's causing this. did i screw up somewhere in bios on mobo setting or what...
My Computer
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i7 950 @ 4Ghz 24/7 EVGA X58 3X SLI EVGA GTX 580 SC SLI + EVGA GTX 280 PhysX Kingston HyperX 12GB 
Hard DriveOptical DriveOSMonitor
OCZ Agility 60GB + 1TB Seagate Barracuda sata II Samsung DVD burner w/ LightScribe Windows 7 Ultimate x64 Samsung SyncMaster 245BW @ 1920 x 1200 
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Corsair HX-1000W Cooler Master 690 II advanced 
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My Computer
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 950 @ 4Ghz 24/7 EVGA X58 3X SLI EVGA GTX 580 SC SLI + EVGA GTX 280 PhysX Kingston HyperX 12GB 
Hard DriveOptical DriveOSMonitor
OCZ Agility 60GB + 1TB Seagate Barracuda sata II Samsung DVD burner w/ LightScribe Windows 7 Ultimate x64 Samsung SyncMaster 245BW @ 1920 x 1200 
PowerCase
Corsair HX-1000W Cooler Master 690 II advanced 
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post #2 of 8
Enable memory mapping in your bios if it isnt already.
try reseating the ram also.


Other than that check msconfig in Boot>advanced that max memory is not checked.

I had this problem a few hours ago and was already a thread on this, no definite answers though.
Preimo V2
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CPUMotherboardGraphicsRAM
Intel Core i7 7700k Asus Maximus IX Code Gigabyte Aorus GTX 1080Ti G.SKILL Trident Z - 32GB @ 3200MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 960 Evo M.2 NVMe Samsung 850 Pro SSD Intel 730 Series SSD WD Black 1TB 
Hard DriveHard DriveCoolingOS
WD Green 3TB Seagate Barracuda 1TB Corsair H100i V2 Windows 10 Pro x64 
MonitorKeyboardPowerCase
Acer Predator XB281HK Logitech G710+ Corsair RM750 Corsair Carbide Series Air 540 
MouseAudio
Logitech G602 Audio Technica M40X 
CPUCPUGraphicsGraphics
Intel Core i5-3337U Intel Core i5 Intel HD 4000 Intel(R) HD Graphics 4000 
RAMHard DriveMonitor
4GB DDR3 SDRAM 128GB SSD 13.3" 1920x1080 
CPUMotherboardGraphicsGraphics
Intel Core i5 750 Asus Maximus Formula III Gigabyte GTX 280 Gigabyte GTX 280 
RAMHard DriveHard DriveHard Drive
G.Skill Ripjaw DDR3-2000 4gb (2x2gb) Crucial M4 SSD Samsung Spinpoint F1 Western Digital Cavier Blue 
Optical DriveCoolingOSOS
LiteOn Blu-Ray Drive Coolermaster V8 Windows 7 Ultimate x64 Windows Developer Preview 
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21.5" LG @ 1920x1080 AOC 20" @ 1650x1050 Sony Bravia 42" Logitech G15 
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AcBel 800w Coolermaster HAF 932 Logitech G9 SteelSeries 
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Preimo V2
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Work/Uni Slave
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Vindicator
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CPUMotherboardGraphicsRAM
Intel Core i7 7700k Asus Maximus IX Code Gigabyte Aorus GTX 1080Ti G.SKILL Trident Z - 32GB @ 3200MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 960 Evo M.2 NVMe Samsung 850 Pro SSD Intel 730 Series SSD WD Black 1TB 
Hard DriveHard DriveCoolingOS
WD Green 3TB Seagate Barracuda 1TB Corsair H100i V2 Windows 10 Pro x64 
MonitorKeyboardPowerCase
Acer Predator XB281HK Logitech G710+ Corsair RM750 Corsair Carbide Series Air 540 
MouseAudio
Logitech G602 Audio Technica M40X 
CPUCPUGraphicsGraphics
Intel Core i5-3337U Intel Core i5 Intel HD 4000 Intel(R) HD Graphics 4000 
RAMHard DriveMonitor
4GB DDR3 SDRAM 128GB SSD 13.3" 1920x1080 
CPUMotherboardGraphicsGraphics
Intel Core i5 750 Asus Maximus Formula III Gigabyte GTX 280 Gigabyte GTX 280 
RAMHard DriveHard DriveHard Drive
G.Skill Ripjaw DDR3-2000 4gb (2x2gb) Crucial M4 SSD Samsung Spinpoint F1 Western Digital Cavier Blue 
Optical DriveCoolingOSOS
LiteOn Blu-Ray Drive Coolermaster V8 Windows 7 Ultimate x64 Windows Developer Preview 
MonitorMonitorMonitorKeyboard
21.5" LG @ 1920x1080 AOC 20" @ 1650x1050 Sony Bravia 42" Logitech G15 
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AcBel 800w Coolermaster HAF 932 Logitech G9 SteelSeries 
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post #3 of 8
Quote:
Originally Posted by Preim;11870580 
Enable memory mapping in your bios if it isnt already.
try reseating the ram also.


Other than that check msconfig in Boot>advanced that max memory is not checked.

I had this problem a few hours ago and was already a thread on this, no definite answers though.

this.

also try clearing your OC if there is one.
make sure you are using 64 bit OS
run memtest86 tests.
boot individually with one stick of ram at a time.
run linx/IBT tests with max ram.
post #4 of 8
Quote:
Originally Posted by kiwiasian;11870618 
this.

also try clearing your OC if there is one.
make sure you are using 64 bit OS
run memtest86 tests.
boot individually with one stick of ram at a time.
run linx/IBT tests with max ram.

it says he has a 64-bit os in the op pic ;3
Preimo V2
(18 items)
 
Work/Uni Slave
(7 items)
 
Vindicator
(21 items)
 
CPUMotherboardGraphicsRAM
Intel Core i7 7700k Asus Maximus IX Code Gigabyte Aorus GTX 1080Ti G.SKILL Trident Z - 32GB @ 3200MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 960 Evo M.2 NVMe Samsung 850 Pro SSD Intel 730 Series SSD WD Black 1TB 
Hard DriveHard DriveCoolingOS
WD Green 3TB Seagate Barracuda 1TB Corsair H100i V2 Windows 10 Pro x64 
MonitorKeyboardPowerCase
Acer Predator XB281HK Logitech G710+ Corsair RM750 Corsair Carbide Series Air 540 
MouseAudio
Logitech G602 Audio Technica M40X 
CPUCPUGraphicsGraphics
Intel Core i5-3337U Intel Core i5 Intel HD 4000 Intel(R) HD Graphics 4000 
RAMHard DriveMonitor
4GB DDR3 SDRAM 128GB SSD 13.3" 1920x1080 
CPUMotherboardGraphicsGraphics
Intel Core i5 750 Asus Maximus Formula III Gigabyte GTX 280 Gigabyte GTX 280 
RAMHard DriveHard DriveHard Drive
G.Skill Ripjaw DDR3-2000 4gb (2x2gb) Crucial M4 SSD Samsung Spinpoint F1 Western Digital Cavier Blue 
Optical DriveCoolingOSOS
LiteOn Blu-Ray Drive Coolermaster V8 Windows 7 Ultimate x64 Windows Developer Preview 
MonitorMonitorMonitorKeyboard
21.5" LG @ 1920x1080 AOC 20" @ 1650x1050 Sony Bravia 42" Logitech G15 
PowerCaseMouseMouse Pad
AcBel 800w Coolermaster HAF 932 Logitech G9 SteelSeries 
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Logitech G35 7.1 Surround Headset 
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Preimo V2
(18 items)
 
Work/Uni Slave
(7 items)
 
Vindicator
(21 items)
 
CPUMotherboardGraphicsRAM
Intel Core i7 7700k Asus Maximus IX Code Gigabyte Aorus GTX 1080Ti G.SKILL Trident Z - 32GB @ 3200MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 960 Evo M.2 NVMe Samsung 850 Pro SSD Intel 730 Series SSD WD Black 1TB 
Hard DriveHard DriveCoolingOS
WD Green 3TB Seagate Barracuda 1TB Corsair H100i V2 Windows 10 Pro x64 
MonitorKeyboardPowerCase
Acer Predator XB281HK Logitech G710+ Corsair RM750 Corsair Carbide Series Air 540 
MouseAudio
Logitech G602 Audio Technica M40X 
CPUCPUGraphicsGraphics
Intel Core i5-3337U Intel Core i5 Intel HD 4000 Intel(R) HD Graphics 4000 
RAMHard DriveMonitor
4GB DDR3 SDRAM 128GB SSD 13.3" 1920x1080 
CPUMotherboardGraphicsGraphics
Intel Core i5 750 Asus Maximus Formula III Gigabyte GTX 280 Gigabyte GTX 280 
RAMHard DriveHard DriveHard Drive
G.Skill Ripjaw DDR3-2000 4gb (2x2gb) Crucial M4 SSD Samsung Spinpoint F1 Western Digital Cavier Blue 
Optical DriveCoolingOSOS
LiteOn Blu-Ray Drive Coolermaster V8 Windows 7 Ultimate x64 Windows Developer Preview 
MonitorMonitorMonitorKeyboard
21.5" LG @ 1920x1080 AOC 20" @ 1650x1050 Sony Bravia 42" Logitech G15 
PowerCaseMouseMouse Pad
AcBel 800w Coolermaster HAF 932 Logitech G9 SteelSeries 
Audio
Logitech G35 7.1 Surround Headset 
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post #5 of 8
Try this - hope it helps!
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AMD FX-4100 Gigabyte GA-970A-UD3 XFX Radeon HD 6870 1GD5 Crucial Ballistix PC3-14900 2GB x 2 
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OCZ Vertex Plus 120GB, Hitachi 7K1000.D 500GB Cooler Master Hyper 212+ (Push/Pull) Seasonic S12II Bronze 620W BitFenix Merc Alpha 
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Intel Core i5-760 Gigabyte GA-P55A-UD3 Asus EAH6850 DirectCU 1GB DDR5 G.Skill Ripjaws PC3-12800 2GB x 2 
Hard DriveCoolingPowerCase
Western Digital Caviar Black 640GB Cooler Master Hyper 212+ (Push) Corsair TX-750 Cooler Master CM690 II Advanced 
CPUMotherboardGraphicsRAM
Intel Core2Quad Q6600 Asus Berkeley MSI N460GTX Cyclone 1GD5 Unknown Brand PC2-5300 3GB 
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Hitachi 7K500 320GB x 2 Stock OCZ ModXStream 700W HP Pavillion 
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AMD Haus
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Lynnfield
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AMD FX-4100 Gigabyte GA-970A-UD3 XFX Radeon HD 6870 1GD5 Crucial Ballistix PC3-14900 2GB x 2 
Hard DriveCoolingPowerCase
OCZ Vertex Plus 120GB, Hitachi 7K1000.D 500GB Cooler Master Hyper 212+ (Push/Pull) Seasonic S12II Bronze 620W BitFenix Merc Alpha 
CPUMotherboardGraphicsRAM
Intel Core i5-760 Gigabyte GA-P55A-UD3 Asus EAH6850 DirectCU 1GB DDR5 G.Skill Ripjaws PC3-12800 2GB x 2 
Hard DriveCoolingPowerCase
Western Digital Caviar Black 640GB Cooler Master Hyper 212+ (Push) Corsair TX-750 Cooler Master CM690 II Advanced 
CPUMotherboardGraphicsRAM
Intel Core2Quad Q6600 Asus Berkeley MSI N460GTX Cyclone 1GD5 Unknown Brand PC2-5300 3GB 
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post #6 of 8
what does the task manager state as the max usable RAM? also check using CPU-Z, could be just windows being lame
    
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Q6600 G0 @ 2.9Ghz (1.25V) 32'C/55'C EVGA nforce680i SLI (A1) 2x BFG 8800GT OC 512mb Edition (625/900) SLI 4x 1Gb Crucial Ballistix Tracers (PC2 6400) 800mhz 
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1.5Tb Total (WD + Maxtor) 2x LiteOn 20x DVD Writer (SATA) Vista Home Premium 64bit Samsung T240 HD/ Sony Bravia 32" HDTV/ Samsung 932 
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Q6600 G0 @ 2.9Ghz (1.25V) 32'C/55'C EVGA nforce680i SLI (A1) 2x BFG 8800GT OC 512mb Edition (625/900) SLI 4x 1Gb Crucial Ballistix Tracers (PC2 6400) 800mhz 
Hard DriveOptical DriveOSMonitor
1.5Tb Total (WD + Maxtor) 2x LiteOn 20x DVD Writer (SATA) Vista Home Premium 64bit Samsung T240 HD/ Sony Bravia 32" HDTV/ Samsung 932 
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Logitech Media Elite USB Silverstone Zeus 650W Modified Thermaltake Armor Razer Diamondback 
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post #7 of 8
Thread Starter 
Quote:
Originally Posted by Preim;11870580 
Enable memory mapping in your bios if it isnt already.
try reseating the ram also.


Other than that check msconfig in Boot>advanced that max memory is not checked.

I had this problem a few hours ago and was already a thread on this, no definite answers though.
Quote:
Originally Posted by thehybridkiwi;11870685 
Try this - hope it helps!

i don't know and/or couldn't figure out/find out enable memory mapping in my bios tab but i followed msconfig > boot > advanced and menually adjust the value to 6144 MB and also tried thehybridkiwi's link and now it works like a charm. WEI scores 7.5 @ 6gb and i'm happy camper biggrin.gif

thanks you guys for the great help! i'll def. +rep you guy.

just out of curiosity, would you guys run 4-4-4-12 @ 800mhz rather than 5-5-5-15 @ 1066mhz? i am running corsair ddr2 dominators on xfx 780i mobo and i don't know what the optimal set up for the ram is on this mobo...
My Computer
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 950 @ 4Ghz 24/7 EVGA X58 3X SLI EVGA GTX 580 SC SLI + EVGA GTX 280 PhysX Kingston HyperX 12GB 
Hard DriveOptical DriveOSMonitor
OCZ Agility 60GB + 1TB Seagate Barracuda sata II Samsung DVD burner w/ LightScribe Windows 7 Ultimate x64 Samsung SyncMaster 245BW @ 1920 x 1200 
PowerCase
Corsair HX-1000W Cooler Master 690 II advanced 
  hide details  
Reply
My Computer
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 950 @ 4Ghz 24/7 EVGA X58 3X SLI EVGA GTX 580 SC SLI + EVGA GTX 280 PhysX Kingston HyperX 12GB 
Hard DriveOptical DriveOSMonitor
OCZ Agility 60GB + 1TB Seagate Barracuda sata II Samsung DVD burner w/ LightScribe Windows 7 Ultimate x64 Samsung SyncMaster 245BW @ 1920 x 1200 
PowerCase
Corsair HX-1000W Cooler Master 690 II advanced 
  hide details  
Reply
post #8 of 8
also needs to kill his monitor color profile must be that Samsung profile floating around he installed cause that is a nasty shade of not so white tongue.gif
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Corsair K70 RGB Corsair 860i Corsair 800D Corsair Gaming 
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whats a mouse pad? XSPC RX360 V3 EK Supremacy EVO MCP355 Pump 
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EK 150 Reservior 
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Its Big
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CPUMotherboardGraphicsRAM
i7 5820K ASUS X99 Evga GTX 780ti Corsair  
Hard DriveCoolingOSMonitor
1 500gig, 1 Sammy EVO 256gb SSD, 1 Sammy 256 Pr... Custom Loop Windows 10  24" and 22" Samsung 
KeyboardPowerCaseMouse
Corsair K70 RGB Corsair 860i Corsair 800D Corsair Gaming 
Mouse PadOtherOtherOther
whats a mouse pad? XSPC RX360 V3 EK Supremacy EVO MCP355 Pump 
Other
EK 150 Reservior 
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