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GA-MA785GM-US2H RAM issues  

post #1 of 6
Thread Starter 
Hey guys,

My dad is trying to figure out an issue with his computer and isn't having any luck.

His work PC is comprised of a Gigabyte GA-MA785GM-US2H motherboard and a Phenom II 940 CPU, with 8GB of Kingston HyperX DDR2 1066. He had recently become annoyed because the IGP in his motherboard was eating up a little bit less than half a gig of his RAM (out of the 8GB), so at my recommendation he bought a 4670 off of Newegg.

Well, the problem is that even with the IGP disabled and the 4670 set as the main VGA in the BIOS, the amount of RAM that his OS can detect is still only ~7.8GB.

Another thing is that it's definitely not the RAM's fault. It did the same thing when he only had 4GB of RAM and he tested all of the DIMMs in a different PC and it was fine.

Any ideas? Any help would be appreciated. I am familiar with Gigabyte's BIOSes and AMD chipsets in general and this has never happened to me before.

Thanks,
~sweffymo
Legion v1.4.2
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CPUMotherboardGraphicsRAM
Intel i7 6700k ASUS Sabertooth Z170 EVGA GTX 970 ACX 2.0 8GB Corsair Vengeance LPX DDR4 3000 
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8GB Corsair Vengeance LPX DDR4 3000 WD Caviar Black 640GB WD Caviar Black 640GB OCZ Vertex 4 128GB 
Optical DriveCoolingOSMonitor
LG Super Multi 22x DVD Burner [SATA version] Noctua NH-D15 Win10 Acer K272HULbmiidp [27" 1440p] 
MonitorKeyboardPowerCase
ASUS VH242H [23.6" 1080p] CMStorm QuickFire Stealth (Brown Switches) with... Corsair TX650w Cooler Master CM 690 
MouseMouse PadAudioAudio
G9X, no grips, no weights, no weight tray F@H mouse pad from last March... Oh wait... Schiit Modi II Schiit Vali 
AudioOther
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Legion v1.4.2
(22 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 6700k ASUS Sabertooth Z170 EVGA GTX 970 ACX 2.0 8GB Corsair Vengeance LPX DDR4 3000 
RAMHard DriveHard DriveHard Drive
8GB Corsair Vengeance LPX DDR4 3000 WD Caviar Black 640GB WD Caviar Black 640GB OCZ Vertex 4 128GB 
Optical DriveCoolingOSMonitor
LG Super Multi 22x DVD Burner [SATA version] Noctua NH-D15 Win10 Acer K272HULbmiidp [27" 1440p] 
MonitorKeyboardPowerCase
ASUS VH242H [23.6" 1080p] CMStorm QuickFire Stealth (Brown Switches) with... Corsair TX650w Cooler Master CM 690 
MouseMouse PadAudioAudio
G9X, no grips, no weights, no weight tray F@H mouse pad from last March... Oh wait... Schiit Modi II Schiit Vali 
AudioOther
Sennheiser HD 598 Partridge in a Pear Tree 
  hide details  
post #2 of 6
Do those 200mb make a difference?
1155 POWER
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CPUMotherboardGraphicsGraphics
i5 2500k 4,6Ghz Asus Maximus IV Extreme Palit GTX 560 Ti Sonic Gigabyte GTX 560 Ti Overclocked 
RAMHard DriveHard DriveCooling
8GB G.Skill Sniper 1886MHz Seagate 500GB and Samsung 500GB Samsung 840 SSD Corsair H50 
OSMonitorKeyboardPower
Windows 7 Ultimate 64-bit BenQ XL2411Z Steelseries Merc Stealth Nox Apex 800w 
CaseMouseMouse Pad
Antec Lanboy Air Logitech G400s Steelseries Qck Mass 
CPUMotherboardGraphicsRAM
AMD 955 BE Asus Crosshair Formula II nVidia GTX 260 Core 216 55nm Kingston DDR2 4GB 800Mhz 
Hard DriveOptical DriveCoolingOS
Western Digital 500GB Some cheap thing (at least it's black) Modded AMD Stock Cooler Windows 7 Home Premium 32-bit 
MonitorPowerCaseMouse
Some Samsung. Corsair CX600 NZXT Tempest A4Tech X7 
Mouse Pad
Bundled Black Ops Mousepad lol 
CPUMotherboardGraphicsRAM
Intel i5-4210H MSI MS-16GF GTX 850M 8GB DDR3 
Hard DriveOptical DriveOSKeyboard
WDC WD5000 HL-DT-ST DVDRAN GTA0N Windows 8.1 by Steelseries 
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Dynaudio 
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1155 POWER
(16 items)
 
AMD Heater
(13 items)
 
 
CPUMotherboardGraphicsGraphics
i5 2500k 4,6Ghz Asus Maximus IV Extreme Palit GTX 560 Ti Sonic Gigabyte GTX 560 Ti Overclocked 
RAMHard DriveHard DriveCooling
8GB G.Skill Sniper 1886MHz Seagate 500GB and Samsung 500GB Samsung 840 SSD Corsair H50 
OSMonitorKeyboardPower
Windows 7 Ultimate 64-bit BenQ XL2411Z Steelseries Merc Stealth Nox Apex 800w 
CaseMouseMouse Pad
Antec Lanboy Air Logitech G400s Steelseries Qck Mass 
CPUMotherboardGraphicsRAM
AMD 955 BE Asus Crosshair Formula II nVidia GTX 260 Core 216 55nm Kingston DDR2 4GB 800Mhz 
Hard DriveOptical DriveCoolingOS
Western Digital 500GB Some cheap thing (at least it's black) Modded AMD Stock Cooler Windows 7 Home Premium 32-bit 
MonitorPowerCaseMouse
Some Samsung. Corsair CX600 NZXT Tempest A4Tech X7 
Mouse Pad
Bundled Black Ops Mousepad lol 
CPUMotherboardGraphicsRAM
Intel i5-4210H MSI MS-16GF GTX 850M 8GB DDR3 
Hard DriveOptical DriveOSKeyboard
WDC WD5000 HL-DT-ST DVDRAN GTA0N Windows 8.1 by Steelseries 
Audio
Dynaudio 
  hide details  
post #3 of 6
Thread Starter 
Quote:
Originally Posted by iZZ View Post
Do those 200mb make a difference?
Not sure how that matters in the least.
Legion v1.4.2
(22 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 6700k ASUS Sabertooth Z170 EVGA GTX 970 ACX 2.0 8GB Corsair Vengeance LPX DDR4 3000 
RAMHard DriveHard DriveHard Drive
8GB Corsair Vengeance LPX DDR4 3000 WD Caviar Black 640GB WD Caviar Black 640GB OCZ Vertex 4 128GB 
Optical DriveCoolingOSMonitor
LG Super Multi 22x DVD Burner [SATA version] Noctua NH-D15 Win10 Acer K272HULbmiidp [27" 1440p] 
MonitorKeyboardPowerCase
ASUS VH242H [23.6" 1080p] CMStorm QuickFire Stealth (Brown Switches) with... Corsair TX650w Cooler Master CM 690 
MouseMouse PadAudioAudio
G9X, no grips, no weights, no weight tray F@H mouse pad from last March... Oh wait... Schiit Modi II Schiit Vali 
AudioOther
Sennheiser HD 598 Partridge in a Pear Tree 
  hide details  
Legion v1.4.2
(22 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 6700k ASUS Sabertooth Z170 EVGA GTX 970 ACX 2.0 8GB Corsair Vengeance LPX DDR4 3000 
RAMHard DriveHard DriveHard Drive
8GB Corsair Vengeance LPX DDR4 3000 WD Caviar Black 640GB WD Caviar Black 640GB OCZ Vertex 4 128GB 
Optical DriveCoolingOSMonitor
LG Super Multi 22x DVD Burner [SATA version] Noctua NH-D15 Win10 Acer K272HULbmiidp [27" 1440p] 
MonitorKeyboardPowerCase
ASUS VH242H [23.6" 1080p] CMStorm QuickFire Stealth (Brown Switches) with... Corsair TX650w Cooler Master CM 690 
MouseMouse PadAudioAudio
G9X, no grips, no weights, no weight tray F@H mouse pad from last March... Oh wait... Schiit Modi II Schiit Vali 
AudioOther
Sennheiser HD 598 Partridge in a Pear Tree 
  hide details  
post #4 of 6
msconfig > boot > advanced options play with the "maximum memory" option
post #5 of 6
Thread Starter 
Quote:
Originally Posted by xd_1771 View Post
msconfig > boot > advanced options play with the "maximum memory" option
Do you know what the equivalent setting would be in Ubuntu? Forgot to say that that's what he uses on his PC.
Legion v1.4.2
(22 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 6700k ASUS Sabertooth Z170 EVGA GTX 970 ACX 2.0 8GB Corsair Vengeance LPX DDR4 3000 
RAMHard DriveHard DriveHard Drive
8GB Corsair Vengeance LPX DDR4 3000 WD Caviar Black 640GB WD Caviar Black 640GB OCZ Vertex 4 128GB 
Optical DriveCoolingOSMonitor
LG Super Multi 22x DVD Burner [SATA version] Noctua NH-D15 Win10 Acer K272HULbmiidp [27" 1440p] 
MonitorKeyboardPowerCase
ASUS VH242H [23.6" 1080p] CMStorm QuickFire Stealth (Brown Switches) with... Corsair TX650w Cooler Master CM 690 
MouseMouse PadAudioAudio
G9X, no grips, no weights, no weight tray F@H mouse pad from last March... Oh wait... Schiit Modi II Schiit Vali 
AudioOther
Sennheiser HD 598 Partridge in a Pear Tree 
  hide details  
Legion v1.4.2
(22 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 6700k ASUS Sabertooth Z170 EVGA GTX 970 ACX 2.0 8GB Corsair Vengeance LPX DDR4 3000 
RAMHard DriveHard DriveHard Drive
8GB Corsair Vengeance LPX DDR4 3000 WD Caviar Black 640GB WD Caviar Black 640GB OCZ Vertex 4 128GB 
Optical DriveCoolingOSMonitor
LG Super Multi 22x DVD Burner [SATA version] Noctua NH-D15 Win10 Acer K272HULbmiidp [27" 1440p] 
MonitorKeyboardPowerCase
ASUS VH242H [23.6" 1080p] CMStorm QuickFire Stealth (Brown Switches) with... Corsair TX650w Cooler Master CM 690 
MouseMouse PadAudioAudio
G9X, no grips, no weights, no weight tray F@H mouse pad from last March... Oh wait... Schiit Modi II Schiit Vali 
AudioOther
Sennheiser HD 598 Partridge in a Pear Tree 
  hide details  
post #6 of 6
I'm not too sure about that actually, hm
Perhaps ask on the Ubuntu forums?
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