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I get a few question, hope get your advise
1-How can I check my PC cahce  memory ? Even I hit alt-ctrl-del, the meter report window doesn't show me the Cache size in PC , Why.
2- When hit alt-ctrl-del, it show Physcial memory  abd Core Memory,
In Physcial memory show:
Total:2.8G
Can use:1.5G
System flash memory:1.3G
In Core Memory:
Total: 2.9G
Already Paged: 2.3G
Not Paged: 0.6G

Could you help me to explain those term such as, paged, not paged, core, flash ?
I get  confused flash and Cache Memory and Page memory or phsysical or core memory ?
What is different between Physcial and Core memory ?
What is differernt between  flash abd Cache memory

Please advise

Duncan

Kind of. Cache can't be removed and is closer to the CPU. -_- sorry about the above, the "In Core Memory" is your Cache, not the BIOS memory. It will be listed on the properties of the CPU as L2 memory. Your physical RAM is the 2.8 GB.

Use this tool to pull a report:

http://www.cpuid.com/softwares/cpu-z.html

>>I heard somewhere to set your Core memory to 2x your installed RAM

If you are referring to the swap file size, it is 2 1/2 times your physical memory, up to a point. I have 3 GB in my Win XP Pro SP3 box, but I'm limited to a custom swap file size of less than 4096.

Cache memory is on the CPU, and may be shown if you right-click on "My Computer" and select "Properties".

Physical memory is the amount of memory in your computer that can physically be removed (like a memory stick).

"Can use" memory is the amount of memory that your computer's motherboard can see. (That is very low is this an old computer)?

Flash memory on a PC is BIOS memory, I may be wrong on this one, but its hard coded memory on the motherboard that has a specific task and is not used by the OS.

Core Memory is simmilar to physical memory only its not physical, removable RAM. Its a place on your hard drive that can act like memory when your physical memory is loaded to the max. Of course its slower, because of the spinning platters, but its better than running out of memory and the system crashing. I heard somewhere to set your Core memory to 2x your installed RAM, but that may be null when your getting into the GBs.

Paged memory is the amount of memory on the hard drive (called the paging file) being used and not paged is the amount of memory that is left to page.

Cache memory is a special type of memory that the processor uses for short term. It makes the computer overall faster since the processor can toss data into its cache instead of RAM or the paging file quickly. If its not listed perhaps your processor has no cache? (again, how old is this computer)?

http://www.howstuffworks.com/cache.htm
http://www.howstuffworks.com/virtual-memory.htm