PRO Memory Upgrade Help Guide & FAQs

Find help to memory upgrade questions, FAQs and a guide to computer memory industry

A

After adding memory I get an error message and my PC will not boot. Why?


 

Are all memory suppliers considered manufacturers?


 

Are Memory Upgrade parts lead-free RoHS compliant?


C

Can DDR and SDRAM be used in the same system at the same time?


 

Can I completely avoid using virtual memory?


 

Can I exceed the maximum memory listed for my system in the Memory Selector?


 

Can I install DDR2 on my DDR system?


 

Can I mix 8ns and 7ns modules in my system?


 

Can I mix CL2 and CL3 in my system?


 

Can I mix DDR and standard SDRAM in my system?


 

Can I mix modules with different numbers of black chips on them?


 

Can I remove my system's FPM modules and replace them with SDRAM modules?


 

Can I see how many of my memory slots are full without opening my case?


 

Can I substitute a 100-PIN or 184-PIN DIMM module for a 168-PIN DIMM memory upgrade?


 

Can I use 30-pin and 72-PIN SIMMs together? Do I have to install them in pairs?


 

Can I use a 128MB PC100 SDRAM DIMM with a 128MB PC133 SDRAM DIMM?


 

Can I use memory with ECC on a board that does not support ECC?


 

Can I use PC133 memory on a system with a 200MHz front side bus?


 

Can you mix and match EDO and FPM modules?


D

Do I need a heat sink-heat spreader for my memory?


 

Do I need DDR2 or DDR3 memory?


 

Do I need more memory?


 

Do I need to remove the stickers from my module before I install it?


 

Do Memory Upgrade modules have gold or tin leads?


 

Do you carry FBDIMM memory?


 

Do you sell memory for printers?


 

Do you sell PC150 SDRAM modules?


 

Do you sell PC2400 DDR modules?


 

Does a laptop need more memory than an equivalent desktop?


 

Does DDR or DDR2 memory need to be installed in pairs?


 

Does DDR support registered DIMMs?


 

Does DDR2 have to be installed in pairs?


 

Does it matter which slot(s) I plug my new module(s) into?


 

Does it matter which slot(s) I plug my new module(s) into?


 

Does Memory Upgrade offer memory compatible with the Power Mac G5?


 

Does Memory Upgrade offer memory compatible with the Power Mac G5?


 

Does your memory come with an installation guide?


E

ECC vs. non-ECC memory chips, which do I Have and Can I Mix them?


H

How can I max out the memory on my computer?


 

How can I tell if I installed my memory correctly?


 

How can I tell if I need registered SDRAM?


 

How can you tell whether a module is FPM or EDO?


 

How do I figure out what kind of memory my system has?


 

How do I ground myself so I don't damage the memory module?


 

How do I know if I have 100MHz or a 133MHz front side bus?


 

How do I know if my system has enough memory to upgrade to Microsoft Windows Vista?


 

How do I know what voltage of memory I need?


 

How do I know which memory is the best fit for my system's front-side bus (FSB) speed?


 

How do I remove a memory module?


 

How do I tell the difference between 2-clock and 4-clock SDRAM?


 

How do I upgrade my cache?


 

How do I upgrade my front side bus?


 

How does a memory upgrade affect the speed of my processor?


 

How long does RAM last?


 

How many chips are on your DIMMs?


 

How many kilobytes (KB) are there in a megabyte (MB)?


 

How many pins does my module have?


 

How much memory can I use with Intel's 430TX chipset?


 

How much memory do I need for my hard drive?


 

How much memory is in my system?


 

How tall are your RAM modules?


 

How to Install Computer Memory Upgrades


I

I have 256MB of memory, but the Memory Upgrade System Scanner only shows 248MB. What happened to the missing memory?


 

I have upgraded my RAM. Why, does Microsoft Windows say I'm out of memory?


 

I inserted my modules in the slots. How do I complete the installation?


 

I received a faster RAM speed from PRO Memory Upgrade than I ordered. Why did this happen?


 

Is all registered SDRAM also ECC?


 

Is DDR2 or DDR3 memory modules right for my computer?


 

Is it hard to install memory upgrades in laptops?


 

Is Memory Upgrade memory tested before it is shipped?


 

Is non-parity the same as non-ECC?


 

Is PRO Memory Upgrade's memory serial presence detect (SPD)-compliant?


 

Is there a difference between ECC and parity?


 

Is there an advantage to buying higher density modules (bigger memory sticks)?


 

Is unbuffered memory faster than registered?


M

Memory Upgrade Technical Glossary


 

My computer takes RDRAM. Can I use SDR, DDR, or DDR2 SDRAM instead?


 

My laptop does not recognize the new memory. Why?


 

My PC came with 128MB of RAM. I added a 128MB module. Can I add a 256MB module in the third slot?


 

My system has DIMM slots and SIMM slots. Can I use them all?


 

My system is not SLI-Ready can I install an SLI-Ready module?


 

My system is not SLI-Ready can I install an SLI-Ready module?


T

The Memory Selector said my memory was non-removable. How do I replace it?


 

The Memory Upgrade System Scanner results show a different manufacturer and model for my computer, why?


 

The System Scanner results showed my computer's front side bus speed is 200MHz but it's supposed to be 800MHz. What's wrong?


W

What are the differences between First Party Memory and Third Party Memory?


 

What does the numbers 16x64 or 16x72. represent when describing memory?


 

What does the term single-ranked vs. double-ranked DIMMs mean?


 

What is a memory parity error?


 

What is a refresh rate?


 

What is CAS latency and how do I determine what I have?


 

What is energy-efficient memory?


 

What is the difference between 3.3V modules and 5V modules?


 

What is the difference between buffered and registered memory?


 

What is the difference between cache and RAM?


 

What is the difference between CL2 and CL3 performance?


 

What is the difference between DDR2 vs. DDR3 memory?


 

What is the difference between PC2-4200, PC2-5300, PC2-6400, and PC2-8500?


 

What is the difference between PC2100 (DDR266), PC2700 (DDR333), and PC3200 (DDR400)?


 

What is the difference between SDRAM, DDR, DDR2, and DDR3?


 

What is the difference between synchronous and asynchronous modules?


 

What is the maximum installation of RAM that Microsoft Windows can handle?


 

What's the difference between a DIMM and a DIMM PC133?


 

What's the difference between buying memory in pairs and buying a kit?


 

What's the difference between SPD and non-SPD memory and which is better?


 

When adding memory, do I have to remove the old modules?


 

When do you recommend using buffered DIMMs?


 

When I print my computer slows down. Will additional RAM solve my problem?


 

Which side of the memory stick goes where?


 

Why did my Norton Diagnostics' memory test fail after I installed more memory?


 

Why does my computer displayed a 164 memory size error after i installed my memory?


 

Why does my Rambus module have heat spreaders?


 

Why does your Memory Selector says my system uses SIMMs but my PC has EDO RAM?


 

Why doesn't my computer or laptop recognize the whole 4GB of memory I installed?


 

Why is 128MB of the memory I need more expensive than 256MB?


 

Why won't my motherboard accept 133MHz memory at a bus speed of 133?


 

Will I have to reinstall my OS and other software after a memory upgrade?


 

Will I need more memory to upgrade my OS to Microsoft Windows Vista?


 

Will more memory help my games run faster?


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