Tom's Hardware > Forum > Motherboards & Memory > General Motherboard > NVidia nForce 650 SLI motherboard... max supported ram?
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jrfreak   03-20-2009 at 12:49:29 AM

Hi. I have a Dell XPS 630i and it has a nVidia nForce 650 SLI mother board. What is the max supported ram for this board? What would be the faster RAM I could buy for it? Would DDR2 1066 ram work? Thanks.
-Mike

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crowheart27us   03-20-2009 at 01:33:59 AM
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this is the info you requested. Also a link to the specs.

Memory module connector

four user-accessible DDR2 sockets

Memory module capacities

128, 256, 512 MB, 1 GB, or 2 GB non-ECC

Memory type

800 and 667-MHz DDR2 unbuffered SDRAM; SLI memory

Minimum memory

1 GB

Maximum memory

8 GB

http://support.dell.com/support/ed [...] #wp1104354

Message quoted 1 times
Message edited by crowheart27us on 03-20-2009 at 01:36:27 AM
Reply to crowheart27us
jrfreak   03-20-2009 at 12:52:33 PM
- 0 +

crowheart27us wrote :

this is the info you requested. Also a link to the specs.

Memory module connector

four user-accessible DDR2 sockets

Memory module capacities

128, 256, 512 MB, 1 GB, or 2 GB non-ECC

Memory type

800 and 667-MHz DDR2 unbuffered SDRAM; SLI memory

Minimum memory

1 GB

Maximum memory

8 GB

http://support.dell.com/support/ed [...] #wp1104354



Thanks much. One more question... "800 and 667 Mhz unbuffered DDR2"... so getting DDR2 1066 ram would be pointless or could I still get benefit from it over the DDR2 800?

Thanks again.

Reply to jrfreak
evongugg   03-20-2009 at 02:02:21 PM
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Welcome to the forums!

Download CPU-Z and tell us what memory you already have.
You can't overclock with a Dell, so go for the lower speed memory.
With DDR2-800 you timings will be better. I don't know if you can adjust them in your bios.
I would just try to match what you already have.
With a 32-bit operating system, it does not make sense to go over 4 GB.
It will not be recognized.

Message quoted 1 times
------------------------------ Google is your friend and Bob's your uncle
 Reply to evongugg
evongugg   03-20-2009 at 02:04:56 PM
- 0 +

You also need to look at how many memory slots you have and how many are used already.

------------------------------ Google is your friend and Bob's your uncle
 Reply to evongugg
jrfreak   03-20-2009 at 02:52:54 PM
- 0 +

evongugg wrote :

Welcome to the forums!

Download CPU-Z and tell us what memory you already have.
You can't overclock with a Dell, so go for the lower speed memory.
With DDR2-800 you timings will be better. I don't know if you can adjust them in your bios.
I would just try to match what you already have.
With a 32-bit operating system, it does not make sense to go over 4 GB.
It will not be recognized.



I'll download CPU-Z tonight.

Why can't you overclock a Dell? Just curious.

I am using XP Pro 32bit right now, but will be upgrading to Vista Ultimate 64bit soon. I also have Windows 7 64bit installed on a seperate HD (dual boot).

So once I upgrade to 64bit, I'll be OK with 800 DDR2 memory? What do you recommend as far as brand? Corair Dominator?

The main reason I am trying to upgrade my system is I play with high def video editing and my system seems to lag a good bit during rendering. I was told that this is more processor / memory then it is video cards. I am using dual 8800GT 512 in SLI mode.

Reply to jrfreak
evongugg   03-20-2009 at 03:03:22 PM
- 0 +

Dells don't have the bios options for overclocking.
DDR2-800 will work with any operating system.
I recommend Corsair, OCZ, Patriot and Crucial.
Check out some reviews on the net.

------------------------------ Google is your friend and Bob's your uncle
 Reply to evongugg
jrfreak   03-20-2009 at 03:21:10 PM
- 0 +

Thanks much. I have 4 memory slots on this board.

I like Dell, but I kinda wish I would have built my PC from scratch. I probably could have made a much better system for the same price (without the support though).

Reply to jrfreak
jrfreak   03-21-2009 at 03:16:00 AM
- 0 +

Here's some CPU-Z info:
---------------------------------------------
Processor 1 (ID = 0)
Number of cores 4 (max 4)
Number of threads 4 (max 4)
Name Intel Core 2 Quad Q6600
Codename Kentsfield
Specification Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz
Package Socket 775 LGA (platform ID = 4h)
CPUID 6.F.B
Extended CPUID 6.F
Core Stepping G0
Technology 65 nm
Core Speed 1600.7 MHz (6.0 x 266.8 MHz)
Rated Bus speed 1067.1 MHz
Stock frequency 2400 MHz
Instructions sets MMX, SSE, SSE2, SSE3, SSSE3, EM64T
L1 Data cache 4 x 32 KBytes, 8-way set associative, 64-byte line size
L1 Instruction cache 4 x 32 KBytes, 8-way set associative, 64-byte line size
L2 cache 2 x 4096 KBytes, 16-way set associative, 64-byte line size
FID/VID Control yes
FID range 6.0x - 9.0x
max VID 1.288 V
Features XD, VT

DIMM #1

General
Memory type DDR2
Module format Regular UDIMM
Manufacturer (ID) Hyundai Electronics (AD00000000000000)
Size 1024 MBytes
Max bandwidth PC2-6400 (400 MHz)
Part number HYMP112U64CP8-S6
Serial number 0000301F
Manufacturing date Week 20/Year 08

Attributes
Number of banks 1
Data width 64 bits
Correction None
Nominal Voltage 1.80 Volts
EPP no
XMP no

Timings table
Frequency (MHz) 266 333 400
CAS# 4.0 5.0 6.0
RAS# to CAS# delay 4 5 6
RAS# Precharge 4 5 6
TRAS 12 15 18
TRC 16 20 24
------------------------------------------------------------------------
Any other info needed? Dell support said my motherboard will only support 4gb of ram. Looks like they were wrong... it will support 8gb of ram at 64bit.

Reply to jrfreak
evongugg   03-23-2009 at 12:30:44 PM
- 0 +

Go with DDR2-800 sticks with a voltage of 1.8.
You probably will not be able to adjust the RAM voltage with your Dell.

Message quoted 1 times
------------------------------ Google is your friend and Bob's your uncle
 Reply to evongugg
jrfreak   03-24-2009 at 03:28:06 AM
- 0 +

Thanks. I'll do that.

Dell just sent me 64bit Vista Ultimate on DVD. Can I upgrade a 32bit XP Pro or do I need to do a clean install?

Reply to jrfreak
evongugg   03-24-2009 at 12:56:39 PM
- 0 +

"You cannot perform an upgrade from a 32-bit version of Windows XP to a 64-bit version of Windows Vista. However, you can use an upgrade copy of Windows Vista to perform a clean installation of a 64-bit version of Windows Vista," Microsoft informs and goes on to day that users should "begin the installation by inserting the 64-bit Windows Vista DVD into your computer's disc drive, and then restart your computer. You must start the 64-bit Windows Vista installation from the Windows Vista 64-bit disc because Windows installation will not run on a 32-bit version of Windows."

http://news.softpedia.com/news/Yes [...] 6504.shtml


Message edited by evongugg on 03-24-2009 at 01:02:34 PM
------------------------------ Google is your friend and Bob's your uncle
 Reply to evongugg
jrfreak   03-25-2009 at 02:23:08 AM
- 0 +

Damn. Thanks for the info. Maybe I'll wait and install the 64bit Vista on to my 300gb Raptor drive after Windows 7 beta key no longer works.

Reply to jrfreak
jrfreak   03-26-2009 at 12:49:28 AM
- 0 +

evongugg wrote :

Go with DDR2-800 sticks with a voltage of 1.8.
You probably will not be able to adjust the RAM voltage with your Dell.



Not much DDR2 800 / 1.8V ram around. Would 2.1V ram be OK?

http://www.newegg.com/Product/Prod [...] 6820227291

Reply to jrfreak
Anonymous   07-04-2009 at 01:03:27 AM
- 0 +

What a bunch of n00bs. Don't answer a question if u dont know the answer to them. Of course you can overclock with a Dell, the nvidia nforce 650 SLI motherboard used in the Dell XPS 630i CAN be overclocked. Hell, the XPS range was designed for extreme overclocking.

You can use ddr2 1066mhz ram. PC8500 is supported by it.

I'm currently running the exact machine with the exact specs and overclocked my q6600 to 3.6ghz from 2.4 ghz stock speed using 1066 mhz memory.

Reply to Anonymous
jrfreak   07-04-2009 at 02:04:41 AM
- 0 +

How exactly do I overclock it? It's not an option the BIOS I do not believe...

Reply to jrfreak
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