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Old 12-18-2010, 08:11 AM
boogiem0nst3r boogiem0nst3r is offline
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Default TWIN2X4096-8500C5D v1.1 voltage question

http://forum.corsair.com/forums/showthread.php?t=54052


Quote:
TWIN2X4096/CM2X2048-8500C5DF
........................XMS850X v1.1...PSC.C-Die.......128MX8
........................XMS850X v1.2...PSC.F-Die.......128MX8
........................XMS850X v2.1...Micron.E-DIE...128MX8
........................XMS850X v2.2...Micron.G-DIE...128MX8
........................XMS850X v3.1...Elpida.C-Die....128MX8
........................XMS850X v3.2...Elpida.F-Die....128MX8
Quote:
Testing parameters for Twinx/XMS2-8500/C5D:
Twin2x2048-8500C5D Data Sheet
Twin2x4096-8500C5DF Data Sheet
Memory Voltage 2.2 Volts Version 1.x and 2.15 Volts for version 2.x.

Motherboard make and model: Asus P5B or M2N32-SLI Premium/Deluxe Only!
Each pair is tested and packaged together using the following settings:
AI Over Clock Tuner: Manual
OC Operation: Disabled
NOS Operation: Disabled
CPU External Frequency: Manually set to 268 MHz
PCI CLK1: Auto
PCI CLK2: Auto
DDR2 Voltage control: 2.20V Ver 1.x (2.1 Volts for 2.X)
CPU Core Voltage: Auto
CPU Multiplier: 10
DDR2 SDRAM Clock: Manually set to 800MHz
DRAM Timing Selectable: Manual
SDRAM CAS Latency: 5T
SDRAM RAS to CAS Delay (tRCD): 5T
SDRAM Row Precharge (tRP): 5T
SDRAM Active to Precharge Delay (tRAS): 15T
SDRAM Write Recovery Time: 5
1T/2T: 2T
A1 Clock Skew: Auto
ADVANCED Voltage Control:
CPU Vcore offset:-Disabled
DDR2 Termination:-0.5X
CPU to NB HT:_____1.200V
NB to SB HT:______Auto
NB Core/PCI-E:____Auto
SB Core/PCI-E:____Auto
SB Standby core:__+1.500V
All other settings are motherboard defaults.
Maximum DDR2 recommended VDIMM: 2.2 Volts for Rev 1.x and 2.1 Volts for Ver. 2.X
Hello there,

I've checked the links above, but unsure at what conclusion to get.

I have this kit "TWIN2X4096-8500C5D", and on each DIMM it says "CM2X2048-8500C5D" v1.1 2.10V.

What is the correct max voltage, is it 2.1 or 2.20?

I ask this because, the ram seems unstable when computer is under high stress (such as oced cpu/northbridge)...perhaps the ram isn't getting the "proper" voltage?

Please Help.

Last edited by Wired; 12-18-2010 at 06:14 PM. Reason: fixed BBCODE
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Old 12-18-2010, 06:15 PM
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Wired Wired is offline
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Default

The correct voltage is ALWAYS what is on the label. You can try 2.2v if you'd like, won't blow it up or anything.
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