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New RAM not recognized.


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This post was previously put in another forum but I think that this forum is the more applicable.

 

I have just bought and installed 2 matching DDR2 RAM modules. They look exactly the same and are both marked VS1GSDS667D2. However both PC Wizard and CPUz show that one is a different configuration. The below paste shows the details. Can you tell me if it is a module problem and have I got something that has been marked incorrectly? It doesn't seem to affect the performance. I am running Vista and thought it might be BIOS problem but changing the modules about just confirms that one is unrecognized.

 

 

Information :

DIMM_A ( ) : 1024 MB - DIMM

DIMM_B ( ) : 1024 MB - DIMM

 

Information SPD EEPROM (DIMM_A) :

Manufacturer : Corsair

Part Number : VS1GSDS667D2

Serial Number : Unspecified

Type : DDR2-SDRAM PC2-5300 (333 MHz)

Format : SO-DIMM (67.6 x 3)

Size : 1024 MB (2 ranks, 4 banks)

Module Buffered : No

Module Registered : No

Module EPP : No

Width : 64-bit

Error Correction Capability : No

Max. Burst Length : 0

Refresh : Reduced (.5x)7.8 µs, Self Refresh

Voltage : SSTL 1.8v

Prefetch Buffer : 4-bit

Manufacture : Week 0 of 2000

Supported Frequencies : 200 MHz, 266 MHz, 333 MHz

CAS Latency (tCL) : 3 clocks @200 MHz, 4 clocks @266 MHz, 5 clocks @333 MHz

RAS to CAS (tRCD) : 3 clocks @200 MHz, 4 clocks @266 MHz, 5 clocks @333 MHz

RAS Precharge (tRP) : 3 clocks @200 MHz, 4 clocks @266 MHz, 5 clocks @333 MHz

Cycle Time (tRAS) : 9 clocks @200 MHz, 12 clocks @266 MHz, 15 clocks @333 MHz

Min TRC : 12 clocks @200 MHz, 16 clocks @266 MHz, 20 clocks @333 MHz

 

Information SPD EEPROM () :

Manufacturer : Unspecified

Part Number : Unspecified

Serial Number : Unspecified

Type : DDR2-SDRAM PC2-6400 (399 MHz)

Format : Regular UDIMM (133.35 x 3)

Size : 1024 MB (2 ranks, 4 banks)

Module Buffered : No

Module Registered : No

Module EPP : No

Width : 64-bit

Error Correction Capability : No

Max. Burst Length : 0

Refresh : Reduced (.5x)7.8 µs, Self Refresh

Voltage : SSTL 1.8v

Prefetch Buffer : 4-bit

Manufacture : Week 0 of 2000

Supported Frequencies : 200 MHz, 266 MHz, 400 MHz

CAS Latency (tCL) : 3 clocks @200 MHz, 4 clocks @266 MHz, 5 clocks @400 MHz

RAS to CAS (tRCD) : 3 clocks @200 MHz, 4 clocks @266 MHz, 5 clocks @400 MHz

RAS Precharge (tRP) : 3 clocks @200 MHz, 4 clocks @266 MHz, 5 clocks @400 MHz

Cycle Time (tRAS) : 9 clocks @200 MHz, 12 clocks @266 MHz, 18 clocks @400 MHz

Min TRC : 12 clocks @200 MHz, 16 clocks @266 MHz, 23 clocks @400 MHz

 

Memory Controller Information :

Memory Controller : System Memory

Location : Mainboard

Error Correction Capability : No

Number of connectors : 2

Max. Module Size : 4096 KB

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Let's get them replaced. Please follow the link in my signature “I think I have a bad part! Or *New* Tech Support Express” and we will be happy to replace them or it, please note that you are posting from the forum!
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Thanks RAMGUY, however I have been in touch with my supplier and they have said that the warranty will not apply as the part is not faulty. Just for your info I'm in Australia so I'm not sure if warranty coverage is different here. Also, assuming that the CPUz info is correct and the modules is 800MHz, will this adversely affect my laptop if I continue to use it.

 

Regards.

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That's what the problem is. I bought two matching RAM from the same supplier. Both are marked with the same labels and look identical. When they are both in my laptop they register as I have indicated above. One is recognized as Corsair at the correct MHz whereas the other one is totally different. They both work, but two different programs fail to identify the second one, except as 800MHz and PC2-6400. It is this one I am concerned about. It came in a Corsair blister pack with correct labelling. I have no reason to suspect it is not Corsair's. The supplier here in Australia, lists and sell many items from Corsair. Also in completing the RMA it seems that the serial numbers of both are different than normal as they don't start with 0.
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