Memory for MSI 790FX-GD70

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Memory for MSI 790FX-GD70

Postposted on Sun Jun 14, 2009 11:30 am

After having my rig for four years, I've decided that it's about time for an upgrade. (I built my rig just as AGP graphic cards were going out of style.)

I've been out of the PC building scene for awhile, but I think I've managed to come up with a spec that will function so far. I'm considering an AMD3 cpu, and the MSI 790FX-GD70 motherboard seems like a solid base to start with. However, I'm a little unclear about it's memory standards. Newegg states that it's memory standard is DDR3 2133 OC. Correct me if I'm wrong, but the OC stands for overclocked, doesn't it?

What type of memory should I use in this board to take full advantage of it?
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Re: Memory for MSI 790FX-GD70

Postposted on Wed Jun 17, 2009 8:18 am

yes it means overclocked

well it really depends on what you find value in
DDR3 1600 is just fine
do you want to spend and extra 100$ to squeeze a bit more out?
if you dont do heavy video encoding or pro max gaming with water cooling you probably could care less and have no need for high DDR3
so save a few dollars

somethings to be aware of
many BIOS are buggy still with the new hardware, your memory might register wrong or have compatibility issues
be sure to check what is compatible and how many sticks to use at what speeds
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Re: Memory for MSI 790FX-GD70

Postposted on Tue Jun 23, 2009 12:44 pm

I just did a build with the MSI 790FX-GD70. I wanted over 4GB so I'm using XP64 SP2. I bought the OCZ Platinum DDR3 2000 (PC3 16000). I am able to run 4 X 2GB sticks at DDR3 1600 at 1.61V on the DDR3 at 8-8-8-24-32-2T. Runs like a champ. I Have not yet figured out the voltages to get the NB speed up from 2000 to 2400.
AMD Phenom II X4 955 BE | MSI 790FX-GD70 | 4x2GB DDR3 | 3 x Intel X25-M G2 | Samsung Series 830 | XFX Radeon HD 7870 | BenQ FP241VW 24" | Grado SR80 | Logitech G710+ | SeaSonic SS-660XP 80+ Pt | Cooler Master Hyper 212+ | WinXP64 | Back-UPS NS 1250
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Re: Memory for MSI 790FX-GD70

Postposted on Tue Jun 23, 2009 1:33 pm

OCZ makes a ddr3 memory esp. for AMD.

http://www.ocztechnology.com/products/m ... md_edition

They claim that it makes special use of page file size access or some such thing. :wink:

OCZ’s newest Titanium AM2 Special kits are optimized to leverage AMD’s sophisticated DDR2 platform for enhanced real world computing experience. With 11 column address bit support by the AM2 memory controller, the number of addresses in each row or page can be as high as 2048 individual entries for a page size of 16kbit. Unlike modules based on standard 10-bit column address chips with an “8k” page size, the new Titanium AM2 Special modules take advantage of the AM2 controller’s feature set and provide a single rank solution with 2GB density using “16k” pages. This allows the controller to stay “in page” twice as long compared to standard memory architectures, thereby achieving unparalleled performance.


However on reading this again, it looks like all they are claiming is that higher density memory works better. I don't know if this is old hat. Read some on the OCZ forum and could not see where they were making a great distinction bt. their "AMD" and other ddr3 memory.

I have never seen anyone (TR included) a benchmark of this memory. It would be interesting to see if the benefit is real and or significant.

However, it sounds good on paper. 4 gig is 85$ on the egg. :-?
Last edited by mdk77777 on Tue Jun 23, 2009 2:10 pm, edited 1 time in total.
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Re: Memory for MSI 790FX-GD70

Postposted on Tue Jun 23, 2009 1:41 pm

Get some DDR3-1333 or thereabouts. Faster (or 'tweaked') memory will cost a lot more but not bring any improvement outside of synthetic tests. I have no idea why Newegg would say DDR3-2133 when the CPU itself won't support anything above 1333.

What are the rest of your proposed parts (esp. GPU/CPU), what games would you play and at what resolution?
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Re: Memory for MSI 790FX-GD70

Postposted on Tue Jun 23, 2009 2:30 pm

I've purchased two sets of these for my AM3 build. Not the best timings, but it cheap and and has worked well for me.

http://www.newegg.com/Product/Product.a ... 6820231190

If you're planning on running 4 sticks I think it may revert to a lower speed.
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Re: Memory for MSI 790FX-GD70

Postposted on Wed Jun 24, 2009 11:01 am

Memory is Platinum DDR3 2000 (PC3 16000) OCZ PN# OCZ3P20002G going for $80 for 4GB (two sticks of 2GB) at the egg.

CPU-Z 1.51 report file

Processor(s)

Number of processors 1
Number of cores 4 per processor
Number of threads 4 per processor
Name AMD Phenom II X4 955 Black Edition
Code Name Deneb
Specification AMD Phenom(tm) II X4 955 Processor
Package Socket AM2+ (940)
Family/Model/Stepping F.4.2
Extended Family/Model 10.4
Brand ID 13
Core Stepping RB-C2
Technology 45 nm
Core Speed 3200.2 MHz
Multiplier x Bus speed 16.0 x 200.0 MHz
HT Link speed 2000.1 MHz
Instruction sets MMX (+), 3DNow! (+), SSE, SSE2, SSE3, SSE4A, x86-64
L1 Data cache (per processor) 4 x 64 KBytes, 2-way set associative, 64-byte line size
L1 Instruction cache (per processor) 4 x 64 KBytes, 2-way set associative, 64-byte line size
L2 cache (per processor) 4 x 512 KBytes, 16-way set associative, 64-byte line size
L3 cache (per processor) 6 MBytes, 48-way set associative, 64-byte line size

Chipset & Memory

Northbridge AMD 790FX rev. 00
Southbridge ATI SB750 rev. 00
Graphic Interface PCI-Express
PCI-E Link Width x16
PCI-E Max Link Width x16
Memory Type DDR3
Memory Size 8192 MBytes
Memory Frequency 800.0 MHz (1:4)
CAS# Latency (tCL) 8.0 clocks
RAS# to CAS# (tRCD) 8 clocks
RAS# Precharge (tRP) 8 clocks
Cycle Time (tRAS) 24 clocks
Bank Cycle Time (tRC) 32 clocks
Command Rate (CR) 2T

System

System Manufacturer MICRO-STAR INTERNATIONAL CO.,LTD
System Name MS-7577
System S/N To Be Filled By O.E.M.
Mainboard Vendor MICRO-STAR INTERNATIONAL CO.,LTD
Mainboard Model 790FX-GD70(MS-7577)
BIOS Vendor American Megatrends Inc.
BIOS Version V1.1
BIOS Date 03/13/2009

Memory SPD

Module 1 DDR3, PC3-8500F (533 MHz), 2048 MBytes, OCZ
Module 2 DDR3, PC3-8500F (533 MHz), 2048 MBytes, OCZ
Module 3 DDR3, PC3-8500F (533 MHz), 2048 MBytes, OCZ
Module 4 DDR3, PC3-8500F (533 MHz), 2048 MBytes, OCZ

Software

Windows Version Microsoft Windows XP x64 Professional Service Pack 2 (Build 3790)
DirectX Version 9.0c
AMD Phenom II X4 955 BE | MSI 790FX-GD70 | 4x2GB DDR3 | 3 x Intel X25-M G2 | Samsung Series 830 | XFX Radeon HD 7870 | BenQ FP241VW 24" | Grado SR80 | Logitech G710+ | SeaSonic SS-660XP 80+ Pt | Cooler Master Hyper 212+ | WinXP64 | Back-UPS NS 1250
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Re: Memory for MSI 790FX-GD70

Postposted on Sat Jan 01, 2011 6:08 pm

Little update...
Memory now runs fine at DDR3 1600 at 1.65V and NB runs fine at 2400 at 1.12V and no crashes. Had to cool the right bits.
http://www.lostcircuits.com/forum/viewt ... 5796#p5796
AMD Phenom II X4 955 BE | MSI 790FX-GD70 | 4x2GB DDR3 | 3 x Intel X25-M G2 | Samsung Series 830 | XFX Radeon HD 7870 | BenQ FP241VW 24" | Grado SR80 | Logitech G710+ | SeaSonic SS-660XP 80+ Pt | Cooler Master Hyper 212+ | WinXP64 | Back-UPS NS 1250
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