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Help with Memory Speed


ev_miami

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I have the following system: Motherboard: P4C800 Deluxe Processor: Pentium 2.8c GHz 800MHz I bought Value Select Memory, VS512MB400C3 (Two of Them). It supposed to run at 400MHz, but when I check the memory it is only running at 320MHz. I was wondering what the timing settings are supposed to be. Also if anybody has any suggestion on how to fix the settings, it would be greatly appreciated. P.S. I plan on upgrading to XMS Memory Modules, but for now I am satisfy with this memory.
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RAM GUY, Would you be able please to provide the voltage, speed and frequency for the following configuration? Currently, I am getting intermitent blue screens when I set BIOS to Auto. [B]RAM[/B] 2 x VS512MB400C3 [B]Motherboard:[/B] ASUS P4R800-V Deluxe Specifications: Supported CPU: Socket 478 Intel Pentium 4(Hyper-Threading)/Celeron Processors Chipset: ATI RADEON 9100 IGP + IXP150 FSB: 800/533/400MHz RAM: 4x DIMM for Dual-Channel DDR400/333/266 Max 4GB IDE: 2x ATA 133(RAID 0/1/0+1), 2x ATA 100 up to 8 Devices Slots: 1x AGP 8X, 5x PCI Ports: 2xPS2,1xLPT,1xVGA,1xTV-Out,6xUSB2.0(Rear 4),1xIEEE1394,1xLAN,SPDIF Out,Audio Ports Onboard Audio: AD1888 SoundMAX 6-Channel Audio Onboard Video: ATI RADEON 9100 IGP 3D Graphics Onboard LAN: Marvell GbE Onboard SATA/RAID: 2x Serial ATA, RAID 0/1/0+1 [B]CPU:[/B] Model: Intel Pentium 4 2.8E w/ Hyper Threading Core: Prescott Operating Frequency: 2.8GHz FSB: 800MHz Cache: L1/12K+16K; L2/1MB Voltage: 1.25-1.525V Process: 0.09Micron Socket: Socket 478 Thanks.
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  • Corsair Employees
This MB will only support DDR333 with more than 2 banks of memory. Or in other words, 512 meg modules are double banked, (2 512-Meg modules = 4 banks) I would set the timings to By SPD and set the Dim Voltage to 2.75 Volts and then run [url]www.memtest86.com[/url] on the system to be sure it's stable. If you should get errors please test them one at a time and set the timings manually to Cass 2.5-3-3-7!
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Ram Guy, Thanks for your answer. The motherboard is supposed to support DDR400 as well, or at least, this is what I was told by the vendor. Since my last post I have played some more with BIOS settings and it looks like I got it stable now with the following settings: DDR400, 2.7V 2.5-3-3-8. I tried 2.5-3-3-7 but it was still unstable. :laughing:
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  • Corsair Employees
From the Specification's for P4R800-VM! 4 x 184-pin DIMM Sockets support max. 4GB PC3200/2700/PC2100/1600 non-ECC DDR SDRAM memory Dual Channel Memory Architecture [SIZE=4]Note: Supports one single-sided PC3200 (DDR400) DIMM per channel only [/SIZE]
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  • 9 months later...
So I have the same MB as the guy posting before me, I am currently trying the timings and voltages suggested 2.5-3-3-8 at 2.7v I am will tell you guys how stable this ends up making it when I run it for awhile. anyway if these sticks of ram are not supported because they are double sided then does Corsair make a 512MB stick that is only one sided? If not could you direct me to someone who does at a comparable price? I would just get a new motherboard but I do actually like this one despite its Dual-Channel DDR400 issues, the board was cheap and even had enough juice in the onboard video to let me play Half-Life 2 all the way through. Consequently if corsair does sell one sided 512 DDR400 sticks then I guess these double sided ones are for sale. Thanks for your time. Robb RAM 2 x VS512MB400 Motherboard: ASUS P4R800-V Deluxe CPU: Model: Intel Pentium 4 2.4C w/ Hyper Threading Operating Frequency: 2.4GHz FSB: 800MHz Socket: Socket 478
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