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How do I tweak Corsair memory settings on my ASUS A8N32-SLI Deluxe


Lord Chaos

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I am looking for a way to up the performance of my memory on my system, I believe my system stats are listed in profile (but I've added them below for convenience), if anyone could help me figure out better manual settings for my memory (cooling shouldn't be a problem, the case is well ventilated and cool), but since memory settings have become so much more complicated over the years I have no idea what they all means and whats optimal settings for my Corsair XMS 2x2048TWX400C2 memory (4 Gb total)

 

This is an Asus motherboard, using nvidia nForce4:

 

Memclock 200 Mhz

CAS Latency 3.0

TRAS - 8

TRP - 3

TRCD - 3

TRRD - 2

TRC - 11

TRFC - 13

TRWT - 4

 

all set on auto

 

Then there's

TREF 7,8 us

TWCL 1

R/W Queue Bypass Control 8

Bypass Limit 4

Idle Cycle Limit 16

Dynamic Idle Cycle Center - Enabled

DDR Driving Strength - Weak

Enable 32 Byte Granularity - Disabled

TWR 3

DDR InputStrobe Skew Disabled

DDR Data Driving Strength - Disabled

Read Preample 5,5 ns

Asyc Latency 7 ns

Bank Interleaving Auto

K8 to NB Auto (can be set to <number>X)

Link With Auto (same as above)

SB to NB 5x

 

These are the settings, how do I optimize these, any recomended settings for optimal performace using this ram?

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Yes, sorry, was looking at the wrong label.

 

2 packs of TWINX2048-3200C2

 

4x1 Gb modules.

 

After trying the CAS 2.0, the system became very unstable and blue screened. Don't know if it just doesn't support CAS 2.0 or other settings needs to be set properly too at the same time.

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You didn't list the most important setting, Command Rate. If it's not at 2T, you probably aren't going to be very stable.

 

K8 to NB, set to 3x if overclocking and 5x for stock. Leaving it at 5x doesn't really help, it just increases the NB temp.

 

Link width, set to 16/16

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I found the command rate, its set at 2T (found it in the memtestx86 program), tried changing it to 1T. But that caused the machine to freeze.

 

Maybe its already at its max performance...too bad I can't upgrade motherboard and processor without needing new RAM it seems.

 

Did try and go from 200 Mhz to 210 Mhz, that seems to be stable so far.

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I would like a tweak version of the list that lord posted before. I have the same MB and memory as him (1 pair only thou 2GB total). This is the original list:

 

Memclock 200 Mhz

CAS Latency 3.0

TRAS - 8

TRP - 3

TRCD - 3

TRRD - 2

TRC - 11

TRFC - 13

TRWT - 4

 

all set on auto

 

Then there's

TREF 7,8 us

TWCL 1

R/W Queue Bypass Control 8

Bypass Limit 4

Idle Cycle Limit 16

Dynamic Idle Cycle Center - Enabled

DDR Driving Strength - Weak

Enable 32 Byte Granularity - Disabled

TWR 3

DDR InputStrobe Skew Disabled

DDR Data Driving Strength - Disabled

Read Preample 5,5 ns

Asyc Latency 7 ns

Bank Interleaving Auto

K8 to NB Auto (can be set to <number>X)

Link With Auto (same as above)

SB to NB 5x

 

Any help would be appreciated.

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  • 3 weeks later...
I would like a tweak version of the list that lord posted before. I have the same MB and memory as him (1 pair only thou 2GB total).

 

Memclock 200 Mhz

CAS Latency 2.5

TRAS - 7

TRP - 3

TRCD - 3

TRRD - 2

TRC - 11

TRFC - 13

TRWT - 4

 

You can leave your other settings as is.

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