Hi All,
Well, I got the need to up my RAM from my current, original and long running 8Gb Corsair [4 x TW3X4G1600C9D] to newer and faster RAM that totals 16Gb. So far I have tried 3 different sets of G-Skills all of which have behaved the same and that is failure to boot, no BIOS access...nothing. Maybe a blinking cursor if I am lucky. Yet each set will work just fine if it is installed as 8Gb [2 x 4Gb] in the correct pair of slots in dual channel mode. When the original RAM is put back in it boots and runs as before with no problems so I have ruled out any motherboard issues.
Current G-Skill RAM is G-Skill F3-12800CL9-4GBSR...one of the Sniper versions as this specifically mentioned my motherboard on the web site. I currently have just 2 x 4Gb sticks installed with total stability but would like the other 2 x 4Gb as well.
I have been trying out different combinations of the G-Skill RAM today to make sure it is OK and there is no problem with any combination of the four sticks I have. They all work perfectly well with each other in any combination and run at the correct spec but that is ONLY when installed in dual channel mode. Once I introduce a third or fourth stick it will not boot. I have no access to change anything in the BIOS as it will not get that far.
I am assuming that I should change the BIOS settings when I only have two sticks installed then between reboots put in the other two...correct? I will have to do more research on the settings before trying anything.
Is there something obvious or obscure that I am meant to know or do? Some BIOS tweak or setting that is needed? Sacrifice to the computing Gods? Can someone assist with this difficulty?
System is:
Operating System: Windows 7 64bit SP1
Motherboard: Gigabyte GA-P55A-UD5
CPU: Intel Core i7 860
BIOS: Latest F12 [there is an F13beta available]
Graphics: XFX Radeon HD 5770
New RAM: 2 x 4Gb G-Skill F3-12800CL9-4GBSR [currently installed and running but will change to something faster when I get this sorted]
Old RAM: 4 x 2Gb Corsair TW3X4G1600C9D
Drives: Drive #1 - ST3500320AS (465 GB)
Drive #2 - WDC WD1001FALS-00J7B1 (931 GB)
Drive #3 - WDC WD5000AAKS-65YGA0 (465 GB)
Drive #4 - WDC WD1001FALS-00J7B1 (931 GB)
A very vanilla, standard type of system with nothing overclocked. I still have not heard back from Gigabyte after my questions to them.
Well, I got the need to up my RAM from my current, original and long running 8Gb Corsair [4 x TW3X4G1600C9D] to newer and faster RAM that totals 16Gb. So far I have tried 3 different sets of G-Skills all of which have behaved the same and that is failure to boot, no BIOS access...nothing. Maybe a blinking cursor if I am lucky. Yet each set will work just fine if it is installed as 8Gb [2 x 4Gb] in the correct pair of slots in dual channel mode. When the original RAM is put back in it boots and runs as before with no problems so I have ruled out any motherboard issues.
Current G-Skill RAM is G-Skill F3-12800CL9-4GBSR...one of the Sniper versions as this specifically mentioned my motherboard on the web site. I currently have just 2 x 4Gb sticks installed with total stability but would like the other 2 x 4Gb as well.
I have been trying out different combinations of the G-Skill RAM today to make sure it is OK and there is no problem with any combination of the four sticks I have. They all work perfectly well with each other in any combination and run at the correct spec but that is ONLY when installed in dual channel mode. Once I introduce a third or fourth stick it will not boot. I have no access to change anything in the BIOS as it will not get that far.
I am assuming that I should change the BIOS settings when I only have two sticks installed then between reboots put in the other two...correct? I will have to do more research on the settings before trying anything.
Is there something obvious or obscure that I am meant to know or do? Some BIOS tweak or setting that is needed? Sacrifice to the computing Gods? Can someone assist with this difficulty?
System is:
Operating System: Windows 7 64bit SP1
Motherboard: Gigabyte GA-P55A-UD5
CPU: Intel Core i7 860
BIOS: Latest F12 [there is an F13beta available]
Graphics: XFX Radeon HD 5770
New RAM: 2 x 4Gb G-Skill F3-12800CL9-4GBSR [currently installed and running but will change to something faster when I get this sorted]
Old RAM: 4 x 2Gb Corsair TW3X4G1600C9D
Drives: Drive #1 - ST3500320AS (465 GB)
Drive #2 - WDC WD1001FALS-00J7B1 (931 GB)
Drive #3 - WDC WD5000AAKS-65YGA0 (465 GB)
Drive #4 - WDC WD1001FALS-00J7B1 (931 GB)
A very vanilla, standard type of system with nothing overclocked. I still have not heard back from Gigabyte after my questions to them.
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