[RESOLVED] Memory add-on question

[hansmax]

Memory match
I'm looking to add another Gb of RAM to my computer. It presently has 1 Gb of PC3200 RAM from Kingston. I've gotten some info with a hardware utility:

Manufacturer Kingston
Part Number K
Serial Number 7B209A2F
Capacity 1024 MBytes
Memory Type SDRAM DDR
Speed PC3200 (200 MHz)
Data Width 64 bits
Voltage SSTL 2.5V
Error Correction None
Refresh Reduced (.5x)...7.8 µs

I'm wondering how necessary it is to match the four numbers (CAS delay, RAS precharge, RAS to CAS delay, and RAS active time) that are included in many RAM descriptions. I can't seem to find an exact match, even from Kingston, and I can't find what these numbers are for my existing RAM. I guess the question is, will any stick of PC3200 work.

Another question I have is why the speed listed by my utility is 200 MHz, when it is DDR 400 RAM. Is it related to the fact that I have a 64 bit processor? Just curious.

I will appreciate any input.

[General Winters]

http://en.wikipedia.org/wiki/DDR_SDRAM

DDR SDRAM (double data rate synchronous dynamic random access memory) is a class of memory integrated circuit used in computers. It achieves nearly twice the bandwidth of the preceding [single data rate] SDRAM by double pumping (transferring data on the rising and falling edges of the clock signal) without increasing the clock frequency.

PC3200 is DDR SDRAM specified to operate at 200 MHz using DDR-400 chips with a bandwidth of 3,200 MB/s. As DDR stands for Double Data Rate this means that the effective clock rate of PC3200 memory is 400 MHz

[hansmax]

Thanks for the input and the link, General Winters. It has been very informative. I'm still trying to get a handle on the "high density/low density" thing. The memory I have been looking at is fairly cheap ($41.99 from Crucial), and my motherboard manual is being less than forthcoming over whether my chipset will support the high density type. More research to do. Thanks again.

[Train]

Is that a single stick?
Or 2 sticks of 512?

You should have at least 2 sticks of 512, one each in th e blue memory slots.
http://www.smartbuy.ro/cs-photos/pro...inal/23200.jpg

[rbc1100]

I have a 1 gig stick of Kingston value ram here. 184 pin DDR1 pc 3200. Im not sure if your running value ram series or not. I think its what your looking for if you don't need hyperX. Let us know wht you have and PM me if you want. I also have a gig of crucial value ram, same specs. both none ecc. you can but I don't like to mix ram moduals especially if your running dual channel.

[hansmax]

Sorry I haven't responded more promptly. I have a single stick of RAM and it is the value series. I finally solved the problem by doing some more googling and found the exact part number. (Didn't find it at first, so I thought I was going to have to mix and match). Anyway, it's in and working. Thanks much for the feedback.

[Train]

You're Welcome and THANKS for posting back!