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Dual Channel vs. Quad Channel.

post #1 of 3
Thread Starter 
So it seems like 4 slots on my ASUS X99 are busted. For some reason CPU ID reads the rams but bios and windows (both Win 7 and Win 10) only sees 8 GB. I tested all chips properly and they all work. However, the ram only shows up as 8 GB.

Another issue I am facing is that running the ram at anything more than 2133 makes the computer take a massive dump.

I was wondering as to what I am losing going from Quad Channel to Dual Channel. I am thinking about ordering a couple of 8 GB sticks X 2 for a 16 GB ram amount and selling my Quad Channel Kit (see system specs tab).

Since my motherboard is also not running 2666 anymore I don't know what to do. Shall I just get el cheapo 16 GB 2133 kit for now until I get a new motherboard next time I have some spare cash?! or just wait it out until a new system build.

I think my motherboard might be on its way out since one of fan connectors that powers my front fan is also not functioning properly. No time to do a full re-build but I definitely tested all ram sticks and they were fine individually.

I have thus far done the following.

Reset bios.
Cleaned slots.
Moved every single stick slot to slot to see which slots are cooked. They are the ones only on the left hand side of the CPU (slots A1, B1, A2, B2).
Reseated CPU.
Tried every possible combination of 1, 2, 3, and 4 sticks on all slots. I tried running the 4 sticks in only A2, B2, C2 and D2 slots and computer doesn't even boot up with RAM ERROR led lit.
All rams work fine.
Computer was working at 2666, 15-15-15-35 1T prior. All sticks were working fine until a slight mishap I had. For some reason even using slots C1 and D1 (default for 2 sticks) the ram is not functioning at 2666 but is fine at 2133.

XMP is disabled in bios (can that be a problem)?

Ideas?

I think I am going to just sell and grab some ram. 2800 C15 16 GB (8X2) sticks from GSkill are only 65 bucks.

What up?
post #2 of 3
Why would you invest in new RAM for an obviously malfunctioning mobo?? Just replace that thing ASAP, don't risk damaging your other components.
My Rig
(14 items)
 
Ex-wife's Rig
(15 items)
 
 
CPUMotherboardGraphicsRAM
Core i5 4460 AsRock H81M-DG4 Sapphire Rx470 Platinum KVR 1600 16Gb 
Hard DriveHard DriveCoolingOS
2x Seagate 3Tb Samsung 850 EVO 120 Scythe Ninja 3 Rev.B Windows 10 Pro 
MonitorKeyboardPowerCase
Fujitsu Siemens A17-2A Logitech K280e SuperFlower SF-550K12XP Thermaltake Versa H25 
MouseAudio
Logitech G402 Sony MDR XD150 
CPUMotherboardGraphicsRAM
Athlon 750K 4.0Ghz AsRock FM2A75 Pro4+ Sapphire R9 270X Dual-X Kingston 2x4Gb 1600 
Hard DriveHard DriveOptical DriveCooling
Samsung 850 EVO 120  Western Digital 320Gb LiteON DVD-RW CoolerMaster Hyper Z600 
OSMonitorKeyboardPower
Windows 7 Pro x64 Toshiba 32" FullHD TV Logitech FSP Hexa 550 
CaseMouse
DeLUX Logitech 
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My Rig
(14 items)
 
Ex-wife's Rig
(15 items)
 
 
CPUMotherboardGraphicsRAM
Core i5 4460 AsRock H81M-DG4 Sapphire Rx470 Platinum KVR 1600 16Gb 
Hard DriveHard DriveCoolingOS
2x Seagate 3Tb Samsung 850 EVO 120 Scythe Ninja 3 Rev.B Windows 10 Pro 
MonitorKeyboardPowerCase
Fujitsu Siemens A17-2A Logitech K280e SuperFlower SF-550K12XP Thermaltake Versa H25 
MouseAudio
Logitech G402 Sony MDR XD150 
CPUMotherboardGraphicsRAM
Athlon 750K 4.0Ghz AsRock FM2A75 Pro4+ Sapphire R9 270X Dual-X Kingston 2x4Gb 1600 
Hard DriveHard DriveOptical DriveCooling
Samsung 850 EVO 120  Western Digital 320Gb LiteON DVD-RW CoolerMaster Hyper Z600 
OSMonitorKeyboardPower
Windows 7 Pro x64 Toshiba 32" FullHD TV Logitech FSP Hexa 550 
CaseMouse
DeLUX Logitech 
  hide details  
Reply
post #3 of 3
Thread Starter 
Probably because it is a 400 dollar mobo and ASUS warranty is crap? lol.
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