M3A78 - Really dumb question about memory

otherwise

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Nov 20, 2005
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Bought a M3A-78 and a Phenom 9600 for a budget box, and intended to overclock it. I have an original scythe ninja (bought a AM2->478 retention bracket convertor) whose clip was pretty poorly designed, and is currently interfering with the memory.

I need about .25-0.5cm of room for this to work. The ASUS manual says that for using 2 sticks in dual-channel mode, use A1/B1. Using A2/B2 would give me the extra 0.25-0.5cm I need. Is there any adverse effects for going against their reccomendation? Is this going to effect overclocking at all, i.e. the board is tuned for those two slots?
 
Dec 30, 2004
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I don't believe so, usually problems, if there are any, come from stress on the chipset from having all 4 slots populated with RAM. 2, regardless of location, is nearly never a problem.
 

otherwise

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Nov 20, 2005
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Thanks for the reply.

One more question. The manual clearly states that for dual-channel mode use slots A1/B1. The A banks are black, the B banks are yellow, i.e. if the slots were labeled "0/1/2/3" I'd be using 0 and 2 -- one black and one yellow slot.

CPU-Z however says I'm currently running in single channel mode.

What's the most likely problem here? A bug in CPU-Z, motherboard problem, or manual mistake?
 

gammaray

Senior member
Jul 30, 2006
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Originally posted by: otherwise
Thanks for the reply.

One more question. The manual clearly states that for dual-channel mode use slots A1/B1. The A banks are black, the B banks are yellow, i.e. if the slots were labeled "0/1/2/3" I'd be using 0 and 2 -- one black and one yellow slot.

CPU-Z however says I'm currently running in single channel mode.

What's the most likely problem here? A bug in CPU-Z, motherboard problem, or manual mistake?

The manual clearly state: "for dual channel configuration, you may:
- use all four sockets OR
- install identical pair in DIMM A1 and DIMM B1 (yellow sockets)
so A1 and B1 are the yellow sockets....
A2/B2 black sockets

hope it helps;)