Ram Not Running At Stock Speed?

Fil1

Junior Member
Jan 12, 2005
2
0
0

Hi, I have 2 512MB PC3200 Samsung ram running in dual channel. When i open CPU-Z it says my ram is running at 157.9 MHZ. I went into bios and forced it to run in DDR400 but it didn't help. I got a program called PC Wizard and it told me about the ram heres what it said:

Now when i put each module in the motherboard seperatly it runs at 200MHZ but when i put them together it goes down to 157MHZ. Is there something in bios i can change to make them both run at 200MHZ. I saw setting like TRAS and some other stuff. Is there anything like that I can change to make it run at 200MHZ. Thanks in advance!

Memory Controller Information :
Memory Controller : ECC, SIMM, DIMM, SDRAM
Number of connectors : 2
Max. Module Size : 1000 Mb
Max. Memory Size : 2000 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 PC2500
Frequency : 157 MHz
FSB/DRAM Multiplier : CPU/14x
Channels : Dual
ECC Diagnostic : No
CAS Latency (tCL) : 2.5 clocks
RAS to CAS (tRCD) : 4 clocks
RAS Precharge (tRP) : 4 clocks
Cycle Time (tRAS) : 7 clocks
Bank Cycle Time (tRC) : 10 clocks
DRAM Idle Timer : 16 clocks

Information EEPROM (DIMM0) :
Manufacturer : Unspecified
Part Number :
Serial Number :
Type : DDR-SDRAM PC3200 (200 MHz)
Size : 512 Mb (2 rows, 4 banks)
Module Buffered : No
Module Registered : No
Width : 64 bits
Error Correction Capability : No
Max. Burst Length : 8
Refresh : Reduced (.5x)7.8 µs, Self Refresh
Voltage : SSTL 2.5v
Supported Frequencies : 166 MHz, 200 MHz
CAS Latency (tCL) : 2.5 clocks @166 MHz, 3 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 EEPROM (DIMM1) :
Manufacturer : Unspecified
Part Number :
Serial Number :
Type : DDR-SDRAM PC3200 (200 MHz)
Size : 512 Mb (2 rows, 4 banks)
Module Buffered : No
Module Registered : No
Width : 64 bits
Error Correction Capability : No
Max. Burst Length : 8
Refresh : Reduced (.5x)7.8 µs, Self Refresh
Voltage : SSTL 2.5v
Supported Frequencies : 200 MHz
CAS Latency (tCL) : 2.5 clocks @200 MHz
RAS to CAS (tRCD) : 4 clocks @200 MHz
RAS Precharge (tRP) : 4 clocks @200 MHz
Cycle Time (tRAS) : 8 clocks @200 MHz
 

Skirmish

Junior Member
Jan 14, 2005
1
0
0
Did you find the answer to this? I have almost the same setup with the same problem, only that my memory is from cosiar instead
 

stevty2889

Diamond Member
Dec 13, 2003
7,036
8
81
I believe if you do a search you might find the answer. I believe it has to do with the memory controler, and the fact that running 2 sticks of PC3200 memory will force it to a lower speed, and that it is perfectly normal..JEDEC specifications...