Tag Archives: RAM

Q: What does “swap memory” do that physical RAM memory in a computer can’t do?

A: It can be bigger. Swap files on the computer’s hard drive are there for when you don’t have enough physical RAM, so the operating systems swaps data out of RAM space and writes a file on storage, to free … Continue reading

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Q: What old generations of RAM memory are the same speed as drives?

A: RAM, of any generation, has always been much faster than hard drives or SSD drives, and RAM continues to be faster. There are several reasons. Bus access: RAM is on a bus that is much ‘closer’ to the CPU … Continue reading

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DDR4 memory makes its debut

DDR4 memory starts shipping for desktop machines and servers. Through the years, the DDR Memory standard has been updated to DDR2, DDR3 and now DDR4 (JEDEC Satandard JESD79-4). It’s worthwhile to note that despite sharing the DDR name, each of these … Continue reading

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Q. What memory and hard drives fit my iBook G3/G4?

There are several models of iBook, the G3 models use PC66 or PC100 memory and the G4 models use DDR memory. Below is a list of all models. iBooks take 2.5″ IDE hard drives up to 120 GB in capacity. … Continue reading

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Q. What RAM memory and Hard drives fit my Apple PowerMac G5?

There have been two major models of PowerMac G5, the change over from PCI-X to PCI-e slots, and from Dual processors to Dual-Core single processor was made in October 2005. With this change, PCI and PCI-X interface cards from the … Continue reading

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Q. What RAM memory and hard drives fit my Mac PowerBook G4?

The Powerbook G4 was a revolutionary notebook when it was released, having an all-metal casing manufactured with a Titanium alloy. In Early 2003 Apple switched to an aluminum allow for the case, and introduced 12″ and 17″ models. At the … Continue reading

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Q. Can I use faster RAM with the slower RAM I have?

For example, your machine has PC2-4200 (533 MHz) DDR2 memory in it, and you have another module of PC2-5300 (667 MHz). Can you use it? Your motherboard’s memory speed will always be set to the speed of the slowest module … Continue reading

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Q. What will adding more RAM to my computer do?

The key to computer performance is having enough RAM memory. RAM doesn’t speed a machine up, however. Rather, adding RAM removes a barrier to speed.  It’s like your car – taking your foot off the brake doesn’t speed it up, … Continue reading

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