RAM at 166MHz or 200MHz

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Tacocaster

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Joined
Jul 10, 2003
Messages
464
Hey gang, PC Wizard reports the following about my memory:

General Information :
A0 (RAS 0, RAS 1) : 512 (Double Bank) - DIMM
A1 : Empty
A2 (RAS 4, RAS 5) : 512 (Double Bank) - DIMM
A3 : Empty

Memory Controller Information :
Memory Controller : Standard, SDRAM
Number of connectors : 4
Max. Module Size : 1024 MB
Max. Memory Size : 4096 MB
Supported Speed : 70ns, 60ns, 50ns
Supported Voltages : 2.9v
Error Detection Method : 64-bit ECC
Error Correction Capability : Unspecified
Current/Supported Interleave : 1-way/1-way

Chipset Information :
Type : DDR-SDRAM PC3200
Frequency : 201 MHz
FSB/RAM Multiplier : CPU/11x
Channels : Dual
ECC Diagnostic : No
CAS Latency (tCL) : 2.5 clocks
RAS to CAS (tRCD) : 3 clocks
RAS Precharge (tRP) : 3 clocks
Cycle Time (tRAS) : 8 clocks
Bank Cycle Time (tRC) : 11 clocks
DRAM Idle Timer : 16 clocks

Information SPD EEPROM (A0) :
Manufacturer : Corsair
Part Number : CMX512-3200C2
Serial Number : Unspecified
Type : DDR-SDRAM PC3200 (200 MHz)
Size : 512 MB (2 rows, 4 banks)
Module Buffered : No
Module Registered : No
Width : 64-bit
Error Correction Capability : No
Max. Burst Length : 8
Refresh : Reduced (.5x)7.8 ?s, Self Refresh
Voltage : SSTL 2.5v
Supported Frequencies : 166 MHz, 200 MHz
CAS Latency (tCL) : 2 clocks @166 MHz, 2.5 clocks @200 MHz
RAS to CAS (tRCD) : 3 clocks @166 MHz, 3 clocks @200 MHz
RAS Precharge (tRP) : 3 clocks @166 MHz, 3 clocks @200 MHz
Cycle Time (tRAS) : 7 clocks @166 MHz, 8 clocks @200 MHz

Information SPD EEPROM (A2) :
Manufacturer : Corsair
Part Number : CMX512-3200C2
Serial Number : Unspecified
Type : DDR-SDRAM PC3200 (200 MHz)
Size : 512 MB (2 rows, 4 banks)
Module Buffered : No
Module Registered : No
Width : 64-bit
Error Correction Capability : No
Max. Burst Length : 8
Refresh : Reduced (.5x)7.8 ?s, Self Refresh
Voltage : SSTL 2.5v
Supported Frequencies : 166 MHz, 200 MHz
CAS Latency (tCL) : 2 clocks @166 MHz, 2.5 clocks @200 MHz
RAS to CAS (tRCD) : 3 clocks @166 MHz, 3 clocks @200 MHz
RAS Precharge (tRP) : 3 clocks @166 MHz, 3 clocks @200 MHz
Cycle Time (tRAS) : 7 clocks @166 MHz, 8 clocks @200 MHz

So it looks like its running at 2.5-3-38 @ 200MHz. Would it be better to switch the frequencies over to 166MHz with the lower latencies? Also, would it be worth while to tweak the timings and frequencies out myself? I've never overclocked anything before, but I'm not against it. I suppose OCing my memory would be a decent place to start seeing as it isn't too terribly risky, right?
 
Joined
Mar 18, 2001
Messages
13,954
I am running the same processor and ram as you are. My ram is set to 2.5 3 3 6 and it is OC'd to 224 mhz. processor speed is 2464 and it is rock solid.

You need to download prime95 and run it to check stability, http://www.mersenne.org/freesoft.htm

Always remember, higher frequencies and lower timings mean better performance. You will be able to hit 2600 mhz easy if you are an OC'er. If you do not OC tighter timings are fine. Your ram is rated at 2.5 3 3 6 at 200 mhz. It will do it so if you use any looser timings you aren't getting what you paid for. ;)
 

Tacocaster

Thread Starter
Joined
Jul 10, 2003
Messages
464
Type : DDR-SDRAM PC3200
Frequency : 201 MHz
FSB/RAM Multiplier : CPU/11x
Channels : Dual
ECC Diagnostic : No
CAS Latency (tCL) : 2.5 clocks
RAS to CAS (tRCD) : 3 clocks
RAS Precharge (tRP) : 3 clocks
Cycle Time (tRAS) : 6 clocks
Bank Cycle Time (tRC) : 11 clocks
DRAM Idle Timer : 16 clocks

Everything is running so far. So I think all is well. Either of you guys have any recoomendations for monitoring my computer? cpu temp, gpu temp, fanspeeds, etc. PCWizard works just fine, but it seems like it takes an awfully long time to start up in comparision to everything else.
 

Tacocaster

Thread Starter
Joined
Jul 10, 2003
Messages
464
Whats the prime95 software for?

EDIT* How long should I run the torture test for? I ran if for a minute and 0 errors and 0 warnings.
 
Joined
Mar 18, 2001
Messages
13,954
prime95 is a test. Believe me, if you have a problem with your machine, prime will find it. Usually 12 hours is a good indication the machine is stable. The torture test is mean. It gives no slack. One problem and you'll find it sitting yellow in your taskbar. :eek:

You keep pushing Taco. I'll be here to help you along. I am not here everyday anymore but if you need help just PM me.
 

Tacocaster

Thread Starter
Joined
Jul 10, 2003
Messages
464
Sounds good to me. Like I said, I'm a complete noob when it comes to OCing so I'll have lots of questions. I've got it started and I'll let it run for awhile. I doubt I'll let it go for 12 hours as I usually turn my computer off at night, but I can let it go until then.
 
Joined
Mar 18, 2001
Messages
13,954
Cool, watch your temps while you torture. They are going to get up there.

Once we find out you are stable, if you want I'll help you OC it a bit. :)
 

Tacocaster

Thread Starter
Joined
Jul 10, 2003
Messages
464
Yeah, I've been watching. Haven't gone past 44C yet, which is completely acceptable. I did change the CPU and Mobo temp. thresholds to 65C in ASUSProbe. Should I drop them down to 60C you think?
 
Joined
Mar 18, 2001
Messages
13,954
LOL, My upper limit is set to 54. That is all up to you. 65*C is crash temp so I'd try to stay under 50*C if possible.
 
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