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16 gigs of ram installed only 14.7 usable?

post #1 of 3
Thread Starter 
hi every one
i upgraded to 16 gigs of ram ( vengeance 1600 cl8 4x4go) but this is my probleme one time windows is showing 16 go another time showing 16go but only 14.7 usable sometimes even less only 12, but cpu-z and the bios are showing 16 gigs everytime.

this my rig componements:
Fx 8320 4.6ghz/ 1.382 vcore
cooling h100i push
mobo sabertooth 990fx rev1 bios up to date 1604
4x4 go corsair vengeance 1600 cl8
2 sapphire 7950 950/1325 crossfired
cm silent pro m 850
ssd intel x25 80go + hdd 1
windows 7 x64 ultimate
Number 3
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Dust Catcher
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CPUMotherboardGraphicsRAM
i7 6700k 4.5 ghz MSI Gaming M7  Palit 1080 GameRock PE 2x8 go Gskill 3200mhz C15 
Hard DriveHard DriveHard DriveHard Drive
crucial ssd 128 Go Samsung 840 evo 250 Go Hitachi HDD 1To Toshiba HDD 2To 
Optical DriveCoolingOSMonitor
Old DVD-RW KRAKEN X61 Windows 10 x64 Acer 27" 144hz 
KeyboardPowerCaseMouse
CM Quick Fire Pro CM V1000 CM Trooper modded CM Havoc 
CPUMotherboardGraphicsRAM
Phenom ii x6 1075t Asus Sabertooth 990fx CF 2x Asus 6950 directcu ii  2x4Gb Gskill 1333 
Hard DriveCoolingOSPower
80go Intel x25 ssd series + 500 go Samsung  cooler master V6 gt Win 7 64bit ultimate edition cooler master silent pro 850w 
Case
HAF 912 advanced 
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Number 3
(16 items)
 
Dust Catcher
(9 items)
 
CPUMotherboardGraphicsRAM
i7 6700k 4.5 ghz MSI Gaming M7  Palit 1080 GameRock PE 2x8 go Gskill 3200mhz C15 
Hard DriveHard DriveHard DriveHard Drive
crucial ssd 128 Go Samsung 840 evo 250 Go Hitachi HDD 1To Toshiba HDD 2To 
Optical DriveCoolingOSMonitor
Old DVD-RW KRAKEN X61 Windows 10 x64 Acer 27" 144hz 
KeyboardPowerCaseMouse
CM Quick Fire Pro CM V1000 CM Trooper modded CM Havoc 
CPUMotherboardGraphicsRAM
Phenom ii x6 1075t Asus Sabertooth 990fx CF 2x Asus 6950 directcu ii  2x4Gb Gskill 1333 
Hard DriveCoolingOSPower
80go Intel x25 ssd series + 500 go Samsung  cooler master V6 gt Win 7 64bit ultimate edition cooler master silent pro 850w 
Case
HAF 912 advanced 
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post #2 of 3
Try removing "memory hole remapping" in the bios.
 
Golden Copper
(14 items)
 
 
CPUMotherboardGraphicsGraphics
Intel Core i5 3210M (3.1 Ghz) Asus G46VW.210 Nvidia GTX 660M 2GB (GDDR5; 950/1250) Intel HD Graphics 4000M 
RAMHard DriveMonitorMouse
8GB (DDR3; 800; 1T) 750GB (5200rpm) 14" LCD Gigabyte M6900 
CPUMotherboardGraphicsRAM
AMD PII X4 940 BE (235x14.5; 3.4 Ghz; 1.475v) ASUS M4A78-E (NB: 2585Mhz) ATI HD 7870 (3.839 GB; 1000Mhz core; 1200Mhz mem) Kingston 4G Dual Channel DDRII 940 Mhz (2x2G) 
Hard DriveOptical DriveCoolingOS
Western Digital WD10EZEX (1.0 TB) ASUS DVDRW +/- & BR R Scythe Ninja Cu Windows 7 Ultimate (x64) 
MonitorKeyboardPowerCase
LG 27" W2753V Logitech White Backlit CM 750w (60a @ 1x12v) Antec 300 
Mouse
Gigabyte M6900 
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Golden Copper
(14 items)
 
 
CPUMotherboardGraphicsGraphics
Intel Core i5 3210M (3.1 Ghz) Asus G46VW.210 Nvidia GTX 660M 2GB (GDDR5; 950/1250) Intel HD Graphics 4000M 
RAMHard DriveMonitorMouse
8GB (DDR3; 800; 1T) 750GB (5200rpm) 14" LCD Gigabyte M6900 
CPUMotherboardGraphicsRAM
AMD PII X4 940 BE (235x14.5; 3.4 Ghz; 1.475v) ASUS M4A78-E (NB: 2585Mhz) ATI HD 7870 (3.839 GB; 1000Mhz core; 1200Mhz mem) Kingston 4G Dual Channel DDRII 940 Mhz (2x2G) 
Hard DriveOptical DriveCoolingOS
Western Digital WD10EZEX (1.0 TB) ASUS DVDRW +/- & BR R Scythe Ninja Cu Windows 7 Ultimate (x64) 
MonitorKeyboardPowerCase
LG 27" W2753V Logitech White Backlit CM 750w (60a @ 1x12v) Antec 300 
Mouse
Gigabyte M6900 
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post #3 of 3
Thread Starter 
thanks bad_haze probleme silved
it was the dram voltage i set it at 1.5 (originaly 1.6) every thing is fine thumb.gif 16 gigs on bios and on task manager
Number 3
(16 items)
 
Dust Catcher
(9 items)
 
CPUMotherboardGraphicsRAM
i7 6700k 4.5 ghz MSI Gaming M7  Palit 1080 GameRock PE 2x8 go Gskill 3200mhz C15 
Hard DriveHard DriveHard DriveHard Drive
crucial ssd 128 Go Samsung 840 evo 250 Go Hitachi HDD 1To Toshiba HDD 2To 
Optical DriveCoolingOSMonitor
Old DVD-RW KRAKEN X61 Windows 10 x64 Acer 27" 144hz 
KeyboardPowerCaseMouse
CM Quick Fire Pro CM V1000 CM Trooper modded CM Havoc 
CPUMotherboardGraphicsRAM
Phenom ii x6 1075t Asus Sabertooth 990fx CF 2x Asus 6950 directcu ii  2x4Gb Gskill 1333 
Hard DriveCoolingOSPower
80go Intel x25 ssd series + 500 go Samsung  cooler master V6 gt Win 7 64bit ultimate edition cooler master silent pro 850w 
Case
HAF 912 advanced 
  hide details  
Reply
Number 3
(16 items)
 
Dust Catcher
(9 items)
 
CPUMotherboardGraphicsRAM
i7 6700k 4.5 ghz MSI Gaming M7  Palit 1080 GameRock PE 2x8 go Gskill 3200mhz C15 
Hard DriveHard DriveHard DriveHard Drive
crucial ssd 128 Go Samsung 840 evo 250 Go Hitachi HDD 1To Toshiba HDD 2To 
Optical DriveCoolingOSMonitor
Old DVD-RW KRAKEN X61 Windows 10 x64 Acer 27" 144hz 
KeyboardPowerCaseMouse
CM Quick Fire Pro CM V1000 CM Trooper modded CM Havoc 
CPUMotherboardGraphicsRAM
Phenom ii x6 1075t Asus Sabertooth 990fx CF 2x Asus 6950 directcu ii  2x4Gb Gskill 1333 
Hard DriveCoolingOSPower
80go Intel x25 ssd series + 500 go Samsung  cooler master V6 gt Win 7 64bit ultimate edition cooler master silent pro 850w 
Case
HAF 912 advanced 
  hide details  
Reply
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