RAM

so yesterday i went out to go and get better RAM, and I know there are two types, DDR-1 and DDR-2.... (Mines is DDR-1), but can some1 explain the difference

Basically just different.

Its like mustard and ketchup.

[DarkPacMan77]

Basically just different.

Its like mustard and ketchup.

HAHAHAHAHAHAHA

The difference is the speed, for the most part. DDR1 and 2 modules have "notches" in different places on the pins so that you can't insert say DDR2 in a DDR1 slot (or DDR3, the newest). That's just about the only physical difference. The difference in speed depends on the frequencies at which the RAM operates. Some really fast DDR1 400 RAM is faster than even DDR2 667 stuff, but that's only the really higher end DDR1 400 RAM and it's quite phased out by now. DDR2 800 RAM is the "flagship" for the market standards right now for DDR2 modules and almost all DDR2 800 will be faster than any DDR1 stuff.

When shopping for memory, the biggest thing you want besides the capacity (1gb, 2gb etc.) is the timings/ latencies that the memory is clocked to run at as well as the voltage it requires to run. Almost all motherboards will accept 1.8V(volt) memory. CAS latency is probably the next biggest thing and that's the FIRST number in the typical 4-digit "timing" for RAM. The lower, the better, usually. There is a decent Wikipedia article about CAS latency. I'd shoot for memory timings of 4 if you can, but 5 is usually the most common - even in many DDR2 modules. DDR3, the newest stuff out, has pretty "slow timings" but in return it operates much better and still provides quite a big jump in memory bandwidth.

-DarkPacMan77-

gotcha...

only prob, u barely find DDR-1 RAM which sucks...

[DarkPacMan77]

Yeah, it's usually more expensive than DDR2 stuff now because it's becoming more rare, phased out, and unecessary. If you want to upgrade your DDR1 stuff, make sure to get the highest speed your motherboard will allow. DDR1 goes up to 400 but older stuff is like... 100, 133 - those are really old and actually NOT "DDR" (dual data rate), but usually get bunched in with DDR1. The range for real DDR1 modules is: 200, 266, 333, 400.

-DarkPacMan77-

the other thing is that i heard some of the old processors (Pentium 4) cant use 2 GB RAM, the computer starts working wierdo....

[DarkPacMan77]

It should be fine. The only issue regarding RAM and CPU is usually that they aren't "in sync". No, not your favorite boy group. What that means is that by making the RAM run at a frequency and a latency that is as "1:1" as you can possibly get. That can help yield performance gains of about 2-6% but usually doesn't cause errors. Pentium 4 should be able to handle it just fine.

-DarkPacMan77-

See I was right!

You can't have Ketchup and Mustard on your hot dog, Simply because ketchup kicks the sh** outta Mustard.

See I was right!

You can't have Ketchup and Mustard on your hot dog, Simply because ketchup kicks the sh** outta Mustard.

according to what u said:

hey DCM how much ram u need? i have the max of ddr1 or as its also know SDRAM that you can get. 1gb. to 512 sticks. i bought them for 70. im going to post them on ebay as an item, or if u want to speak now, take the chance.

hey DCM how much ram u need? i have the max of ddr1 or as its also know SDRAM that you can get. 1gb. to 512 sticks. i bought them for 70. im going to post them on ebay as an item, or if u want to speak now, take the chance.

post the link..

[brentbizzle]

DDR memory isn't hard to find...

226
http://www.newegg.com/Product/ProductLi ... %202100%29

333
http://www.newegg.com/Product/ProductLi ... %202700%29

400
http://www.newegg.com/Product/ProductLi ... %203200%29

um, they dont make SDRAM anymore, so newegg cant carry any....



and dcm, is it a laptop or desktop?

[ace]

um, they dont make SDRAM anymore, so newegg cant carry any....

Are you sure you know as much about computers as you have led us to believe? XD Let me redirect you to a buddy of mine called wikipedia. http://en.wikipedia.org/wiki/SDRAM

yeah i know that article. when i refer to it as SDRAM im simply stating the base rame. if u were to right now go to say EBAY adn type in SD laptop RAM and see what you get you ll get something like THIS
http://cgi.ebay.com/256m-256MB-SDRAM-sd ... 2418wt_941

also in relations to that wiki article, go down to SDR SDRAM. thats what im talking about. laptop, old, no longer for sale.

NOOTICE THE NOTCH PLACEMENT. COMPARE THAT TO DDR2 OR DDR3 AND YOU SHOULD SEE THE SDRAM IS CLOSER TO THE CENTER. this is the SDRAM i refer too. my old laptop uses it. largest stick size avail that i know of is 512mb stcks. total of 1gb