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Computer memory question.

daren_28 Avatar
7y, 10m agoPosted 7 years, 10 months ago
Ok, i'm no techie so go gentle.

I'm thinking of upgrading the ram on my desktop from 1gb to 2? 3?

I've used the crucial memoary scanner and its saying my pc would take 4gb.

But, its recommended I buy 2GB kit (1GBx2), 184-pin DIMM, DDR PC3200 but on the sticker on the computer itself it says ddr2 memory.

If it helps this is from the "scan":

Medion Titanium MD8383 Motherboard

Maximum Memory Capacity: 4096MB
Currently Installed Memory: 1GB
Available Memory Slots: 0
Number of Banks: 4
Dual Channel Support: Yes
CPU Manufacturer: GenuineIntel
CPU Family: Intel(R) Pentium(R) 4 CPU 3.40GHz Model 4, Stepping 3
CPU Speed: 3391 MHz

So, my question, is ddr and ddr2 memory compatible?

I've done a quick google and ones more costly than the other and something about 184 and 200/240 pin?

Not sure if this is the place to ask or not but if I'm honest I didnt know where to ask!

Thanks in advance,

Daren
daren_28 Avatar
7y, 10m agoPosted 7 years, 10 months ago
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#1
The crucial memory advisor is normally pretty good and (I think) if you use it to pick some memory and it isn't compatible, they'll refund (double check this though).

What OS do you have ? 32 bit systems (XP, non 64 bit Vista) can't address more than 3gb (including video memory)
#2
You have done well using your initiative to do some research beforehand, to answer your question DDR and DDR 2 memory certainly isnt compatible. Did you have a manual come with your PC by the way...strange you had a sticker stating it was DDR 2 and yet the motherboard checker states otherwise...I wonder if you have been duped and not got the PC spec that you paid for?
#3
DDR 2 memory in desktops is 240 pin whereas DDR memory in desktops is 184 pin, as for laptop memory both DDR and DDR2 memory are 200 pin, however the notch is in a different place making it foolproof so you cant put the wrong memory in.

Not are they only incompatible as far as configurational size of pins/notches go, they also have different voltage cores...very much incompatible.

The reason its telling you to buy 2 x 1GB sticks of ram is for dual channel compatibility, as your maximum ram size is 4GB you are better running memory in Dual channel mode, you need two identical memory sticks of ram to enable dual channel mode, this increases bandwidth.

So its better having two sticks of 1GB of ram in your PC than one 2GB stick if that makes sense.

http://en.wikipedia.org/wiki/Dual-channel_architecture
#4
If anyone has any good hardware scanners, to scan RAM type, etc on freeware links, please post :)

I knew about the Cruical memory scanner already and have used it and found it 100% reliable so far, just looking for alternatives for a wider range of hardware
1 Like #5
Pan111
If anyone has any good hardware scanners, to scan RAM type, etc on freeware links, please post :)

I knew about the Cruical memory scanner already and have used it and found it 100% reliable so far, just looking for alternatives for a wider range of hardware


http://www.filehippo.com/download_cpuz/
#6
Something I find dodgy about the information that Crucial is giving you here, unless Medion really were stupid..

Available Memory Slots: 0
Number of Banks: 4

Meaning that if 0 memory slots are available out of 4 banks, they have populated each slot with 256mb DDRs to give you a 1GB total in RAM
#7


Argghhhh....its you from the cat food thread, lol, stop following me :thumbsup:

I have used CPUZ before now, its great.
#8
i used crucial, and was ok for me. I'll echo the comments above - upgrade in pairs - 2 sticks of the same type together, if you mix, they behave as the worst of the pair - not recommended.

the other route is by checking the manufacturers website for their recommendation, not necessarily to buy, but to check specs etc.
#9
cicobuff
Argghhhh....its you from the cat food thread, lol, stop following me :thumbsup:


Well now I'm feeding my cat quality goods its polished of 4gb of 1066mhz ram £680 worth of £20 notes and has made a reservation at the Ivy................ TBH its had half a pouch of that rubbish food but I did put a bit of tuna in too. Now its just staring at the fire!
#10
cicobuff
Something I find dodgy about the information that Crucial is giving you here, unless Medion really were stupid..

Available Memory Slots: 0
Number of Banks: 4

Meaning that if 0 memory slots are available out of 4 banks, they have populated each slot with 256mb DDRs to give you a 1GB total in RAM


This wouldnt suprise me:-D
#11


Rep'd :):thumbsup:
#12
GAVINLEWISHUKD
Well now I'm feeding my cat quality goods its polished of 4gb of 1066mhz ram £680 worth of £20 notes and has made a reservation at the Ivy................ TBH its had half a pouch of that rubbish food but I did put a bit of tuna in too. Now its just staring at the fire!


Our little sh*t has decided after her over zealous dad decided to play just that tad too much to lunge herself at the leather sofa and has put a nice new scratch in one of the arms of it lol.
#13
Pan111
This wouldnt suprise me:-D


Well in Medions favour, they were running it in dual channel lol...might have considered at least using 2 x 512mbs though!
#14
Thanks for all the replies. I bought the pc off a relative so no books with it.

If crucial says DDR is there another way I could check? The sticker clearly days DDR2.

I'm kinda worried now.
DDR seemed the more costly of the two, gutted!

A colleague at work said its fairly easy to do, one stick out, one in (but like it says above, in pairs).
I'm thinking 2 x 1gb - if there's 4 x 256 in there could I leave 2 in and make it 3gb or isn't it as easy as that?!?

Apols for the basic questions but its all new to me!

Thanks again
#15
john-boy
The crucial memory advisor is normally pretty good and (I think) if you use it to pick some memory and it isn't compatible, they'll refund (double check this though).

What OS do you have ? 32 bit systems (XP, non 64 bit Vista) can't address more than 3gb (including video memory)


Ah, the pc has windows xp on it.
banned#16
have a look at memory already in it, it should say on it what it is
#17
daren_28
Thanks for all the replies. I bought the pc off a relative so no books with it.

If crucial says DDR is there another way I could check? The sticker clearly days DDR2.

I'm kinda worried now.
DDR seemed the more costly of the two, gutted!

A colleague at work said its fairly easy to do, one stick out, one in (but like it says above, in pairs).
I'm thinking 2 x 1gb - if there's 4 x 256 in there could I leave 2 in and make it 3gb or isn't it as easy as that?!?

Apols for the basic questions but its all new to me!

Thanks again


download this and it will tell you all you need.

http://www.filehippo.com/download_cpuz/
#18
sassie
have a look at memory already in it, it should say on it what it is


Do u know, dam good suggestion! I'm on my way. Ta!!
banned#19
daren_28
Do u know, dam good suggestion! I'm on my way. Ta!!


your welcome, just ordered some off play for my lappy, its only got 256 in it :w00t::w00t:
#20
daren_28
Do u know, dam good suggestion! I'm on my way. Ta!!


just run the program will be of more use.
#21
GAVINLEWISHUKD
just run the program will be of more use.


Done.

on the memory tab it says...... type DDR2 and lots of mention of clocks.

On the SPD is gives me slots 1 and 2s info (both the same), 512 in each - ddr2 512 mbytes pc2-4300 (266 mhz).

I'm thinking crucial had a glitch? It said there were 2 slots and only 2 have sticks in em.

If I've got 1024, could I install 2 x 1gbs and it'd give me 3?

Thanks for help so far. Cheapest place to buy 2 x 1gb sticks of ddr2 (this mention of clocks is anything or worry about/consider?).

Cheers guy/girls, am v impressed with the help
#22
What make you think it is a medion MD8383,This model does use DDR 184pin but why would it have a ddr 2 sticker on it ? You will probably be better off with 2 x 1gb if dual channel is enabled as faster memory is better than more memory,You really need to be sure of the model number
#23
daren_28
Thanks for all the replies. I bought the pc off a relative so no books with it.

If crucial says DDR is there another way I could check? The sticker clearly days DDR2.

I'm kinda worried now.
DDR seemed the more costly of the two, gutted!

A colleague at work said its fairly easy to do, one stick out, one in (but like it says above, in pairs).
I'm thinking 2 x 1gb - if there's 4 x 256 in there could I leave 2 in and make it 3gb or isn't it as easy as that?!?

Apols for the basic questions but its all new to me!

Thanks again


Not that easily if there is 4 x 256 in and you remove two then that means 2 x 256mb which is 512mb (half a gig) leaving you with two slots how would you make it 3gb? Memory only comes in 256, 512, 1gb, 2gb, 4gb, 8gb, 16 etc etc. If you left the two 256mb dimms in and added 2 x 1gb sticks then you would have 2.5gbs of ram

Try that CPUZ utility, see if that gives you better info of whats under the hood of your pc.

If you can get the manual for your motherboard from Medions website even better, it will tell you the configurations of RAM you can have, at only 4 slots and a maximum of 4GB it might be that the motherboard only supports a maximum of 1GB DDR per bank.

Its not actually essential that you upgrade/install memory in pairs, just recommended for the better bandwidth.
#24
DAMN...I should read page two before replying lol
#25
Pan111
DAMN...I should read page two before replying lol


:oops:

I should have scrolled down that little bit further whilst on the laptop to realise there was a page two lol
#26
daren_28
Done.

on the memory tab it says...... type DDR2 and lots of mention of clocks.

On the SPD is gives me slots 1 and 2s info (both the same), 512 in each - ddr2 512 mbytes pc2-4300 (266 mhz).

I'm thinking crucial had a glitch? It said there were 2 slots and only 2 have sticks in em.

If I've got 1024, could I install 2 x 1gbs and it'd give me 3?

Thanks for help so far. Cheapest place to buy 2 x 1gb sticks of ddr2 (this mention of clocks is anything or worry about/consider?).

Cheers guy/girls, am v impressed with the help



Using CPUZ what does it say on the mainboard tab?
#27
motherboard
manufacturer Micro-star international co ltd
model ms-7091

chipset intel i915p/i915g
southbridge intel 82801fb(ich6)
lpcio winbond w83637hf

bios
brand phoenix technologies ltd
version 6.00pg
date 07/26/2005

graphic interface
version pci-express
link width x16 max supported x16

Erm, all french to me and I dont do french.....
#28
Could I buy 2 of these and have 4gb's?

http://www.play.com/PC/PCs/4-/3477789/Computer-Memory-2GB-PC5300-DDR2-240pin-DIMM/Product.html

Computer Memory / 2GB / PC5300 / DDR2 / 240pin / DIMM
Enlarge Image

Computer Memory / 2GB / PC5300 / DDR2 / 240pin / DIMM

Customer rating on Computer Memory / 2GB / PC5300 / DDR2 / 240pin / DIMM: 5 out of 5 stars ( 2 customer ratings )
£13.99 Free Delivery

RRP: £29.99 | You save: £16.00 (53%)

In stock | Usually dispatched within 24 hours
BUY

Specifications



* 2GB
* Compatible with PC5300 DDR2 systems
* 240pin for desktops
* Lifetime Warranty
* CL4
* 667Mhz
#29
Or these?

http://www.play.com/PC/PCs/-/2161/1428/-/3477271/PNY-2GB-DIMM-DDR2-667MHz-Dual-Channel-Computer-Memory-Kit/Product.html?searchtype=genre

PNY 2GB (2x1GB) DIMM DDR2 667MHz (PC5300) Dual Channel Computer Memory Kit
Enlarge Image

PNY 2GB (2x1GB) DIMM DDR2 667MHz (PC5300) Dual Channel Computer Memory Kit

Customer rating on PNY 2GB (2x1GB) DIMM DDR2 667MHz (PC5300) Dual Channel Computer Memory Kit: 5 out of 5 stars ( 1 customer rating )
£13.49 Free Delivery

RRP: £19.99 | You save: £6.50 (32%)

In stock | Usually dispatched within 24 hours
BUY

Specifications



* Dimm memory modules for desktop computers
* Technology: DDR2
* Speed: 667Mhz - PC5300
* Backward compatible 533Mhz - PC4300
* Capacity: kit 2GB (=2x1GB)
* Number of pins: 240
* Case latency: 5
* Cooling kit
* 10 years warranty
#30
daren_28
motherboard
manufacturer Micro-star international co ltd
model ms-7091

chipset intel i915p/i915g
southbridge intel 82801fb(ich6)
lpcio winbond w83637hf

bios
brand phoenix technologies ltd
version 6.00pg
date 07/26/2005

graphic interface
version pci-express
link width x16 max supported x16

Erm, all french to me and I dont do french.....


Conflicting info here mate, you say its definitely DDR2? Yet the motherboard here is a DDR based motherboard as shown on Ebay item number 330279921653.

Can you double check your Memory readings in CPUZ?
#31
Yeah, just checked and deffo as above.

Have I ended up with a home made computer from odds n sods?!?
#32
No,you have a later version of that Mobo,Very rare in this country but definitley better thats what i found so confusing
#33
tonyg1962
No,you have a later version of that Mobo,Very rare in this country but definitley better thats what i found so confusing


Yeah, how odd! Just checked Medions website and although there isnt much info it lists three different Bios, there were three revisions of the MSI 7091 Motherboard Revision 1.0, Revision 1.2 and Revision 2. Brilliantly found out.


Daren......

MSI created this motherboard specifically for Medion, and as a result from my searches have been unable to find any motherboard technical data/manuals from either MSI or Medions websites!

However, it must be that Revision 2 of this motherboard unlike the Revision 1 versions utilises DDR2 RAM instead, and I guess the main way of determining is literally to crack open the PC Case and remove a stick of RAM to tell.

If this is indeed the case then DDR 2 RAM at least is cost efficient and I would recommend 2x1GB sticks or 4 x 1GB sticks to maximise the RAM.

As the memory limit is only 4GB and the technical data of the board is not readily available, I would not personally risk installing 2GB sticks of ram in a single slot, stick with a maximum of 1gb sticks of ram in each slot, and would strongly recommend buying what you stated in your post #30 on here, PC5300 ram is backward compatible with PC4200 standard so you would be good to go with that :)

Wow what a complicated question this all turned out to be in the long run!!!
#34
Thank you for all your time, I'm v grateful.

I'll go with 2 x 1gb sticks then as recommended above.

I did open the pc last night and removed 1 stick, its coming with me to a local computer shop today just to make sure I get the right stuff. Might not be as cheap as online but best to be safe.

Thank you all again,

Daren
#35
daren_28
Thank you for all your time, I'm v grateful.

I'll go with 2 x 1gb sticks then as recommended above.

I did open the pc last night and removed 1 stick, its coming with me to a local computer shop today just to make sure I get the right stuff. Might not be as cheap as online but best to be safe.

Thank you all again,

Daren


Nooooo...you will pay far far more, if unsure just list whatever is wrote on the memory stick on here, seriously Daren you will pay double if not triple the price on Play unless its a good computer shop. PNY is good branded value memory,
#36
ditto
#37
Popped to the local shop, they were V kind in advising me which expensive memory to buy!

Unfortunately, I couldnt afford it...... Thank you though. Ordering from play tonight.

Thank you all once again.
banned#38
well at least they put you right on what you needed - lol

I have ordered from play to, am dreading putting it in lappy though, last time i tried to add memory to desktop i had to reformat the comp

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