Re: New Build GA-EP45-DS3 + Q9550
I've run my UD3P with my Quad core at 3.2 (not its 3.4Ghz max) with a P4 connector, just fine. You may want to purchase an adapter though. Don't buy the ones that just take the P4 as an input and double the connections from it. The only safe one to use will have an input socket for the P4 connector and two molex (one 12V and 1 ground are taken from each molex plug). These molex sockets should ideally be filled with molex plugs from different leads on the PSU, ie don't use plug 1 and plug 2 from wire 1, use plug 1 from wire 1 and plug 1 from wire 2.
The photo I just took shows the only real safe way to have it hooked up. It's just as good as having a P8 connector when done this way. However as half the |CPU power will be taken from the same rail as the HDD's, make sure you don't have a lot of hard drives, all spinning up at once and maxing the rail. 5 HDD's or less on a 16-24A rail along with half the p8 should be OK, depending on PSU quality.
As for 8GB, I won't promise you it'll work, as each board is different, but they do work well in a UD3P at 8GB, and I believe the board is a little picky (as are most boards actually) about what 8GB configs it's happy with. I'd be 80% sure you'd get them working. I must confess, I've been trying to get a hold of some in the UK, but good DDR2 is like rocking horse sh1t over here now, as everyone seems to be running their stocks down and shifting to DDR3.
If it were me, as you suggested, I'd put the Core 2 Duo in the DS3 and see what you can get from the Quad with your X48. Once you confirm it's indeed an E0 in CPUz, you should be able to set 3.6GHz on stock VID and move up and up from there. I bet you top out at over 4GHz if you tweak it right. Should be on a low ish Vcore too, and nice 'n' cool.
I've run my UD3P with my Quad core at 3.2 (not its 3.4Ghz max) with a P4 connector, just fine. You may want to purchase an adapter though. Don't buy the ones that just take the P4 as an input and double the connections from it. The only safe one to use will have an input socket for the P4 connector and two molex (one 12V and 1 ground are taken from each molex plug). These molex sockets should ideally be filled with molex plugs from different leads on the PSU, ie don't use plug 1 and plug 2 from wire 1, use plug 1 from wire 1 and plug 1 from wire 2.
The photo I just took shows the only real safe way to have it hooked up. It's just as good as having a P8 connector when done this way. However as half the |CPU power will be taken from the same rail as the HDD's, make sure you don't have a lot of hard drives, all spinning up at once and maxing the rail. 5 HDD's or less on a 16-24A rail along with half the p8 should be OK, depending on PSU quality.
As for 8GB, I won't promise you it'll work, as each board is different, but they do work well in a UD3P at 8GB, and I believe the board is a little picky (as are most boards actually) about what 8GB configs it's happy with. I'd be 80% sure you'd get them working. I must confess, I've been trying to get a hold of some in the UK, but good DDR2 is like rocking horse sh1t over here now, as everyone seems to be running their stocks down and shifting to DDR3.
If it were me, as you suggested, I'd put the Core 2 Duo in the DS3 and see what you can get from the Quad with your X48. Once you confirm it's indeed an E0 in CPUz, you should be able to set 3.6GHz on stock VID and move up and up from there. I bet you top out at over 4GHz if you tweak it right. Should be on a low ish Vcore too, and nice 'n' cool.
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