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Dual channel memory problem

Forum Motherboards & Memory : Memory - Dual channel memory problem

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maney266   09-19-2009 at 03:06:12 PM

My brand new custom built pc specs
Intel core 2 quad q8200
Gigabyte ep45 ds3p bios f8
650w psu i green power
1TB HDD
2x2048mb 800 mhz corsair memory ( problem)
1024 mb corsair ram



When i connect the 2 dual channel memory ram chips in the motherboard the system becomes unstable and doesnt boot successfully
when i just connect the 1 gig ram on it own the system boots perfectly
what is the problem
is there some sort of settings in the bios i must change?
BTW i am only 14 years old so i will not understand everything about the bios but im okay
thanks in advance

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Bronze Motherboards badge GhislainG   09-19-2009 at 03:18:35 PM
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What RAM are you using? Corsair have a lot of 1 GB modules. You can use CPU-Z to find out that info.

Message quoted 1 times
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maney266   09-19-2009 at 03:20:31 PM
- 0 +

GhislainG wrote :

What RAM are you using? Corsair have a lot of 1 GB modules. You can use CPU-Z to find out that info.


ok i will post ram info in a sec

Reply to maney266
maney266   09-19-2009 at 03:22:46 PM
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Corsair ram info is
Part number for 1 gig
CM2X1024-5400C4

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Bronze Motherboards badge GhislainG   09-19-2009 at 03:31:48 PM
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According to CPU-Z, how is it configured (Memory tab)? What SPD tables are available? According to Corsair: "Tested at the low latencies of (4-4-4-12) at 2.0V". Are you running them at 667 MHz with the correct voltage and latencies?

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maney266   09-19-2009 at 03:47:17 PM
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Dram frequency is 333.3mhz
FSB 1.1
Cas latency:5.0 clocks
Ras ro cas latency:5 clocks
Cycle times 15 clock
Row refresh cycle times: 36 clocks
Comand rate 2t
That is the full spec it is showing

Reply to maney266
maney266   09-19-2009 at 03:51:35 PM
- 0 +

new 2 gig ram info is Part number
cm2x2048-6400c5
800mhz btw

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Bronze Motherboards badge GhislainG   09-19-2009 at 04:17:14 PM
- 0 +

maney266 wrote :

new 2 gig ram info is Part number
cm2x2048-6400c5
800mhz btw

What do you mean? Are you trying to use one CM2X1024-5400C4 (667 MHz, 4-4-4-12 and 2.0V) module and one CM2x2048-6400C5 (800 MHz, 5-5-5-18 and 1.9V) module at the same time? If so, then you need to configure the RAM as per the CM2X1024-5400C4 specs and hope for the best. Unfortunately you didn't provide that important info in your original post.

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maney266   09-19-2009 at 06:08:53 PM
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i want to use both 2 gig ram sticks
and the 1 gig ram stick
if that possible
if not both 2 gigs are fine

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Bronze Motherboards badge GhislainG   09-19-2009 at 06:20:38 PM
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Unless you run a 64 bit OS and you really need more than 4 GB, only use the 2 GB modules. If you need to use all three modules, then try the settings that I recommended.

Reply to GhislainG
maney266   09-19-2009 at 06:23:34 PM
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if i insert both of the ram sticks the pc doesnt boot

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maney266   09-19-2009 at 06:26:36 PM
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even if i insert one of the two gig ram sticks the pc doesnt boot

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maney266   09-19-2009 at 06:27:12 PM
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if there is no solution could you find a reasonably priced dual channel ram kit

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Bronze Motherboards badge GhislainG   09-19-2009 at 06:28:37 PM
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You wrote "if not both 2 gigs are fine , so I'm confused. It doesn't work with both 2 GB modules or it doesn't work when the 2 GB and the 1 GB modules are installed?

Reply to GhislainG
maney266   09-19-2009 at 06:33:49 PM
- 0 +

Ok basically
The pc boots perfectly with just the 1 gig ram stick in place

The pc doesnt boot at all with any of the 2 gig ram sticks in place

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Bronze Motherboards badge GhislainG   09-19-2009 at 07:06:42 PM
- 0 +

So if you install a single 2 GB module, it won't boot at all? If so, then they either are defective, incompatible or your RAM settings are not on Auto. Reset all memory settings to Auto or reset the CMOS.

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maney266   09-19-2009 at 07:31:17 PM
- 0 +

ok will try it

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maney266   09-20-2009 at 02:28:34 PM
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nope looks like it was the same issue. i checked corsairs site and it is completely supported.
i will send it to corsair for repairs cuz of the life time warranty

Reply to maney266
Bronze Motherboards badge GhislainG   09-20-2009 at 03:13:44 PM
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You should also contact them to make sure that they are compatible with your motherboard.

Reply to GhislainG
maney266   09-21-2009 at 12:28:14 PM
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they are compatible with the motherboard. but its been acouple of days now since ive contacted them maybe i should phone them

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alessandronunes   11-12-2009 at 08:32:25 PM
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Hello,

Have you got any solution? I'm with the same problem here. Thanks! :heink:

Reply to alessandronunes
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