Solved

PC1200 - upgrade the memory

Posted on 2004-10-04
2
345 Views
Last Modified: 2013-12-10
For a PC1200 (1200MHz) with 128 MB DDR SDRAM I want more 128 MB.  
1. It's absolutely necessary  to add the same chips ?
2. I know that FPM and EDO speeds are written in nanoseconds (ns).  How can I identify the SDRAM and DDR speeds ?(example please)
3. The difference between SIMM and DIMM(as name) is that DIMM has chips on both sides?

Thanks.
0
Comment
Question by:omegabeta
2 Comments
 
LVL 69

Accepted Solution

by:
Callandor earned 125 total points
ID: 12216845
I'm surprised you even have such a slow-speed DDR: I though PC1600 was the bottom.  You can use faster speed DDR, and it will run slower to accomodate your slower RAM.  

For DDR, it is no longer useful to know the speed in nanoseconds.  The important numbers are the bandwidth (PC1600, PC2100, PC3200, etc, which represents the Mbit/sec transfer rate) and the latency (which is a 4-sequence number, where the first number is CAS latency and lower is faster).

SIMM is Single Inline Memory Module, and DIMM is Dual.  It has nothing to do with sides, but it does have to do with the data path: Single is 32-bit, Dual is 64-bit, and SIMMs have to be used in pairs with Pentiums, while DIMMs do not.  http://sbc.webopedia.com/TERM/D/DIMM.html
0
 

Author Comment

by:omegabeta
ID: 12277125
Thanks.
0

Featured Post

3 Use Cases for Connected Systems

Our Dev teams are like yours. They’re continually cranking out code for new features/bugs fixes, testing, deploying, testing some more, responding to production monitoring events and more. It’s complex. So, we thought you’d like to see what’s working for us.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Hello It is a very old trick to use a ram disk in order to boost PC performances, in the past, when in home environments the fastest common devices were floppy disks a part of the very small ram memory available was used to create a virtual hard …
More and more people are using the enhanced small form-factor pluggable (SFP+) tranceivers, and speed is of utmost importance. Testing of speeds are critical to ensure that the devices will meet the speed requirements. There are some testing challen…
Although Jacob Bernoulli (1654-1705) has been credited as the creator of "Binomial Distribution Table", Gottfried Leibniz (1646-1716) did his dissertation on the subject in 1666; Leibniz you may recall is the co-inventor of "Calculus" and beat Isaac…
Finds all prime numbers in a range requested and places them in a public primes() array. I've demostrated a template size of 30 (2 * 3 * 5) but larger templates can be built such 210  (2 * 3 * 5 * 7) or 2310  (2 * 3 * 5 * 7 * 11). The larger templa…

803 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question