Memory help needed please?


G

Greg

Is there anybody out there who can kindly desypher the below informatrion
please? It was produced by a program called PC Wizzard, which is supposed
to tel you all about what is in your PC.

I want to increase my memory to 1Gig but have no idea what to order. All I
know is I had 512MB of RAM (or should have!) installed when I bought the
machine a year ago. I also have a video card with 256MB of memory, but from
the list below I can't seem to see which is which.

Thanks for any advice guys.

G


Memory Controller Information :
Memory Controller : DIMM, SDRAM
Number of connectors : 4
Max. Module Size : 1024 MB
Max. Memory Size : 4096 MB
Supported Speed : Unspecified
Supported Voltages : 5v
Error Detection Method : 8-bit Parity
Error Correction Capability : Unspecified
Current/Supported Interleave : 1-way/1-way

Chipset Information :
Type : DDR-SDRAM PC2600
Frequency : 160 MHz
FSB/RAM Multiplier : 5/4x
Channels : Dual
Mode : Linear
PAT Enabled : No
ECC Diagnostic : No
CAS Latency (tCL) : 2.5 clocks
RAS to CAS (tRCD) : 3 clocks
RAS Precharge (tRP) : 3 clocks
Cycle Time (tRAS) : 7 clocks

Information SPD EEPROM (A0) :
Manufacturer : Samsung
Part Number : M3 68L3223ETN-CB3
Serial Number : 410E61F0
Type : DDR-SDRAM PC2700 (166 MHz)
Size : 256 MB (1 rows, 4 banks)
Module Buffered : No
Module Registered : No
Width : 64-bit
Error Correction Capability : No
Max. Burst Length : 8
Refresh : Reduced (.5x)7.8 µs, Self Refresh
Voltage : SSTL 2.5v
Supported Frequencies : 133 MHz, 166 MHz
CAS Latency (tCL) : 2 clocks @133 MHz, 2.5 clocks @166 MHz
RAS to CAS (tRCD) : 3 clocks @133 MHz, 3 clocks @166 MHz
RAS Precharge (tRP) : 3 clocks @133 MHz, 3 clocks @166 MHz
Cycle Time (tRAS) : 6 clocks @133 MHz, 7 clocks @166 MHz

Information SPD EEPROM () :
Manufacturer : Samsung
Part Number : M3 68L3223ETN-CB3
Serial Number : 41036242
Type : DDR-SDRAM PC2700 (166 MHz)
Size : 256 MB (1 rows, 4 banks)
Module Buffered : No
Module Registered : No
Width : 64-bit
Error Correction Capability : No
Max. Burst Length : 8
Refresh : Reduced (.5x)7.8 µs, Self Refresh
Voltage : SSTL 2.5v
Supported Frequencies : 133 MHz, 166 MHz
CAS Latency (tCL) : 2 clocks @133 MHz, 2.5 clocks @166 MHz
RAS to CAS (tRCD) : 3 clocks @133 MHz, 3 clocks @166 MHz
RAS Precharge (tRP) : 3 clocks @133 MHz, 3 clocks @166 MHz
Cycle Time (tRAS) : 6 clocks @133 MHz, 7 clocks @166 MHz
 
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D

David Maynard

Greg said:
Is there anybody out there who can kindly desypher the below informatrion
please? It was produced by a program called PC Wizzard, which is supposed
to tel you all about what is in your PC.

I want to increase my memory to 1Gig but have no idea what to order. All I
know is I had 512MB of RAM (or should have!) installed when I bought the
machine a year ago. I also have a video card with 256MB of memory, butfrom
the list below I can't seem to see which is which.

That is your system RAM and it's two Samsung 256 Meg sticks, part number
68L3223ETN-CB3, for a total of 512 Meg.

Your video RAM is on the video card and is not in the list below.

It says you have 4 slots and, with two sticks, 2 are used so you have two
open and you can put up to 1 gig in a slot. It also indicates you are dual
channel (Intel board I imagine) so you need to buy them in identical pairs,
which means you want two more 256 meg sticks.
 
G

Greg

Thanks David, but what type do |I need...DDR? PC2600? CL-2? 168Pin or 186?
bus speed? Parity or non? etc, there are so many variations!



Greg said:
Is there anybody out there who can kindly desypher the below informatrion
please? It was produced by a program called PC Wizzard, which is supposed
to tel you all about what is in your PC.

I want to increase my memory to 1Gig but have no idea what to order. All
I know is I had 512MB of RAM (or should have!) installed when I bought the
machine a year ago. I also have a video card with 256MB of memory, but
from the list below I can't seem to see which is which.

That is your system RAM and it's two Samsung 256 Meg sticks, part number
68L3223ETN-CB3, for a total of 512 Meg.

Your video RAM is on the video card and is not in the list below.

It says you have 4 slots and, with two sticks, 2 are used so you have two
open and you can put up to 1 gig in a slot. It also indicates you are dual
channel (Intel board I imagine) so you need to buy them in identical pairs,
which means you want two more 256 meg sticks.
 
D

Dave C.

Greg said:
Thanks David, but what type do |I need...DDR? PC2600? CL-2? 168Pin or 186?
bus speed? Parity or non? etc, there are so many variations!

You should be looking for non-ecc (non-parity) PC3200 or DDR400 (same
thing), and each RAM board should be 256MB, and it wouldn't hurt to buy a
good name brand like mushkin or corsair or kingston. You should buy (2)
256MB boards for a total of 512MB. CL should be as low as you can afford,
but even CL-3 will work. One example follows. -Dave

http://www.newegg.com/app/ViewProductDesc.asp?description=20-146-897&depa=0

(2 of those should work)

Note that you currently have PC2700, but PC3200 will cost no more, and you
might be able to use the PC3200 in a later build, possibly. Note also that
you don't need to buy RAM in "matched pairs", but you *should* try to buy
two similar sticks to take advantage of dual channel capability. -Dave
 
D

David Maynard

Greg said:
Thanks David, but what type do |I need...DDR? PC2600? CL-2? 168Pin or 186?
bus speed? Parity or non? etc, there are so many variations!

From the Samsung site, and using the part number from your printout
(M368L3223ETN-CB3), this is your memory:

http://www.samsung.com/Products/Sem.../UnbufferedDIMM/M368L3223ETN/M368L3223ETN.htm

184Pin Unbuffered DIMM

Part Number Density Organization Component Composition Height
M368L3223ETN-
C(L)B3/AA/A2/B0 256MB 32M x 64 32Mx8 (K4H560838E)*8EA 1,250(mil)


Operating Frequencies (for B3([email protected]=2.5))

Speed @CL2 133MHz

Speed @CL2.5 166MHz

CL-tRCD-tRP 2.5-3-3

As for what to get, it depends. To match what you've got, which is all
that's "needed," you'd get a pair of 256MB (32Mx8), unbuffered, CAS 2.5,
184 pin DDR333 (PC2700) DIMMs.

Some folks might consider getting something 'better' with the theory they'd
use it on their next system. The idea being they figure they'd then need
the faster memory. I.E. a higher DDR (PC), speed rating and, if possible,
lower CAS.

Kind of a crap shoot because if, for example, your next system needed DDR2
(quite possible) then it makes no difference what DDR you buy now since it
won't be DDR2 and would be unusable anyway.

On the other hand, if you can get DDR400 for the same price then you
theoretically haven't lost anything by doing so, except for having to
remember to keep them paired with each other on your current board.
 
G

Greg

David Maynard said:
From the Samsung site, and using the part number from your printout
(M368L3223ETN-CB3), this is your memory:

http://www.samsung.com/Products/Sem.../UnbufferedDIMM/M368L3223ETN/M368L3223ETN.htm

184Pin Unbuffered DIMM

Part Number Density Organization Component Composition Height
M368L3223ETN-
C(L)B3/AA/A2/B0 256MB 32M x 64 32Mx8 (K4H560838E)*8EA 1,250(mil)


Operating Frequencies (for B3([email protected]=2.5))

Speed @CL2 133MHz

Speed @CL2.5 166MHz

CL-tRCD-tRP 2.5-3-3

As for what to get, it depends. To match what you've got, which is all
that's "needed," you'd get a pair of 256MB (32Mx8), unbuffered, CAS 2.5,
184 pin DDR333 (PC2700) DIMMs.

Some folks might consider getting something 'better' with the theory
they'd use it on their next system. The idea being they figure they'd then
need the faster memory. I.E. a higher DDR (PC), speed rating and, if
possible, lower CAS.

Kind of a crap shoot because if, for example, your next system needed DDR2
(quite possible) then it makes no difference what DDR you buy now since it
won't be DDR2 and would be unusable anyway.

On the other hand, if you can get DDR400 for the same price then you
theoretically haven't lost anything by doing so, except for having to
remember to keep them paired with each other on your current board.

David, that's brilliant, thanks again!
 
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G

Greg

Hi David

One last one if you don't mind.

Here is what I have ordered, can you confirm before it arrives that I have
got it right......

Manufacturer : CRUCIAL
Product : 256MB 184DIMM PC2700 NP CL2.5
Quantity : 2
Price exc VAT : £39.90
Price inc VAT : £46.88


Got them from Dabs.com who I have found to be VERY good in the past,
especially if you need to return anything :)

Thanks again for the help you have givem me.

G
 
D

David Maynard

Greg said:
Hi David

One last one if you don't mind.

Here is what I have ordered, can you confirm before it arrives that I have
got it right......

Manufacturer : CRUCIAL
Product : 256MB 184DIMM PC2700 NP CL2.5
Quantity : 2
Price exc VAT : £39.90
Price inc VAT : £46.88

Hard to tell without a part number. The things you listed are correct but
you didn't mention unbuffered vs registered (you want unbuffered) and
whether it was ECC or not (you don't need ECC)

I went to Dabs and looked it up. Matching prices that's the Crucial
CT3264Z335. NP means no parity, which means no ECC and the specs sat
unbuffered. ok.

Unfortunately, Crucial doesn't see fit to tell what chip organization they
use but since they say "industry standard" it's probably an x8, which is right.

Looks right.

Which is moot since you used their machine specific listings to find the
right one for your machine, right?
 
G

Greg

David Maynard said:
Hard to tell without a part number. The things you listed are correct but
you didn't mention unbuffered vs registered (you want unbuffered) and
whether it was ECC or not (you don't need ECC)
I went to Dabs and looked it up. Matching prices that's the Crucial
CT3264Z335. NP means no parity, which means no ECC and the specs sat
unbuffered. ok.
Unfortunately, Crucial doesn't see fit to tell what chip organization they
use but since they say "industry standard" it's probably an x8, which is
right.
Looks right.
Which is moot since you used their machine specific listings to find the
right one for your machine, right?


David,

Not sure what you mean, I haven't used anyone for specific listings, I used
the prog PC Wizard as mentioned in my first post.

Anyway thanks for the reply and if it confirms anything the manufactureers
code
is CT3264Z335

Thanks again!
 
D

David Maynard

Greg said:
David,

Not sure what you mean, I haven't used anyone for specific listings, I used
the prog PC Wizard as mentioned in my first post.

I meant that Dabs has a memory selector for finding the right one by
machine type. But I couldn't use it because you hadn't posted what your
machine was. Or if you did I missed it.

Anyway thanks for the reply and if it confirms anything the manufactureers
code
is CT3264Z335

Yeah. That's the one I looked up by matching to the price you posted.
Thanks again!

You're quite welcome.
 
G

Greg

David Maynard said:
I meant that Dabs has a memory selector for finding the right one by
machine type. But I couldn't use it because you hadn't posted what your
machine was. Or if you did I missed it.



Yeah. That's the one I looked up by matching to the price you posted.


You're quite welcome.

Hi David

No I didn't use the Dabs selector, didn't even notice one.

Memory just arrived in post (now that was quick!) It's fitted and working
fine so far!

Cheers again
 
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D

David Maynard

Greg said:
Hi David

No I didn't use the Dabs selector, didn't even notice one.

Memory just arrived in post (now that was quick!) It's fitted and working
fine so far!

Cheers again

Super duper !
 

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