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Windows 7: if i add a 2gb strip will the total be seen as 5gb

12 Aug 2018   #1
superqaz

win 7 64 bit
 
 
if i add a 2gb strip will the total be seen as 5gb

hi


i have an insperon 531 with three 1gb strips of ram. if i add a 2gb strip will the total be seen as 5gb. there are no more free slots

win 7 64 bit
two ddr2 pc5300 [333mhz] and one pc6400
Tower


i found this on the web but mime is not an "s" :


rm31859
Dell's specifications say, 4gb, but it has been well documented that the 0RY206 motherboard can support 8gb using 4x2 DDR2 modules, with an Windows 7x64 OS..
But if you have a 32-bit operating system, this does not recognize 4gb of memory, 3±gb is all a 32-bit system can address.

Basically what it means is, while you can install 4gb of memory in the system, the reason it will not recognized is mainly due to 32-bit processors and/or 32-bit applications on memory address limitations.
64-bit processors & operating systems will recognize beyond the 32-bit limitation.

----------------------------------------

thanx

RAM
Memory slots
Total memory slots 4
Used memory slots 3
Free memory slots 1
Memory
Type DDR2
Size 3072 MBytes
Channels # Single
DRAM Frequency 312.5 MHz
CAS# Latency (CL) 5 clocks
RAS# to CAS# Delay (tRCD) 5 clocks
RAS# Precharge (tRP) 5 clocks
Cycle Time (tRAS) 15 clocks
Bank Cycle Time (tRC) 21 clocks
Command Rate (CR) 2T
Physical Memory
Memory Usage 52 %
Total Physical 2.94 GB
Available Physical 1.39 GB
Total Virtual 5.87 GB
Available Virtual 3.81 GB
SPD
Number Of SPD Modules 3
Slot #1
Type DDR2
Size 1024 MBytes
Manufacturer Kingston
Max Bandwidth PC2-6400 (400 MHz)
Part Number 99U5431-004.A00LF
Serial Number 885832241
Week/year 10 / 09
Timing table
Slot #2
Type DDR2
Size 1024 MBytes
Manufacturer Qimonda
Max Bandwidth PC2-5300 (333 MHz)
Part Number 64T128020HU3SB
Serial Number 135712534
Week/year 34 / 07
Timing table
Slot #3
Type DDR2
Size 1024 MBytes
Manufacturer Qimonda
Max Bandwidth PC2-5300 (333 MHz)
Part Number 64T128020HU3SB
Serial Number 135749907
Week/year 34 / 07
Timing table


My System SpecsSystem Spec
.
12 Aug 2018   #2
fireberd

Windows 10 64 bit
 
 

According to Dell published specs (see below), 4GB is Maximum memory.

I'm surprised it even works with mixed memory in a Dell. Mixed memory and non-Dell branded memory both are hit or miss. I do a lot of support on the Dell forums and we see many memory issues with non-Dell branded memory and mixed memory. You are very lucky that it works with what you have.


Attached Images
if i add a 2gb strip will the total be seen as 5gb-capture.jpg 
My System SpecsSystem Spec
12 Aug 2018   #3
superqaz

win 7 64 bit
 
 

Quote   Quote: Originally Posted by fireberd View Post
According to Dell published specs (see below), 4GB is Maximum memory.

I'm surprised it even works with mixed memory in a Dell. Mixed memory and non-Dell branded memory both are hit or miss. I do a lot of support on the Dell forums and we see many memory issues with non-Dell branded memory and mixed memory. You are very lucky that it works with what you have.

thats very interesting thanx , i just saw this:
<h5>Re: iNSPION 531s memory question</h5>


rm31859
Dell's specifications say, 4gb, but it has been well documented that the 0RY206 motherboard can support 8gb using 4x2 DDR2 modules, with an Windows 7x64 OS..
But if you have a 32-bit operating system, this does not recognize 4gb of memory, 3±gb is all a 32-bit system can address.

Basically what it means is, while you can install 4gb of memory in the system, the reason it will not recognized is mainly due to 32-bit processors and/or 32-bit applications on memory address limitations.
64-bit processors & operating systems will recognize beyond the 32-bit limitation.
My System SpecsSystem Spec
.

12 Aug 2018   #4
Megahertz07

Windows 7 HP 64
 
 

With 4G or less memory you should have installed Win 7 32, not 64bits.

As Fireberd mentioned, it's a miracle your computer is working without issues. Don't mix memories..
Answering your question, buy and install (2+2)G DDR2 800 (PC2-6400) and remove the other (1+1+1)G DDR2
My System SpecsSystem Spec
12 Aug 2018   #5
Barman58

Windows 10 Pro x64 x3, Ubuntu
 
 

Quote   Quote: Originally Posted by Megahertz07 View Post
With 4G or less memory you should have installed Win 7 32, not 64bits.
The general rule is that if you have more than 4Gb of RAM you Must run a 64Bit Windows as 32Bit windows will only see the first 4GB, and in fact the system will show only around 3.1-3.3Gb due to Hardware addressing requirements The memory requirement is a minimum of 2GB to run 64Bit Windows and a compatible processor of course
My System SpecsSystem Spec
12 Aug 2018   #6
superqaz

win 7 64 bit
 
 

[QUOTE=Barman58;3398958]
Quote   Quote: Originally Posted by Megahertz07 View Post
With 4G or less memory you should have installed Win 7 32, not 64bits./QUOTE]

The general rule is that if you have more than 4Gb of RAM you Must run a 64Bit Windows as 32Bit windows will only see the first 4GB, and in fact the system will show only around 3.1-3.3Gb due to Hardware addressing requirements The memory requirement is a minimum of 2GB to run 64Bit Windows and a compatible processor of course

yes, as i said above its 64 bit, but i installed it cause i was going to get more memory, anyway it does seem from what i pasted above that it can be done


also, what is the advantage if i do the following: buy and install (2+2)G DDR2 800 (PC2-6400) and remove the other (1+1+1)G DDR2


thanx
My System SpecsSystem Spec
12 Aug 2018   #7
fireberd

Windows 10 64 bit
 
 

I have no personal info on whether it will accept/use more than 4GB. Just reporting the Dell published specs, what I go by.

Dell, in many cases, uses a modified motherboard chipset and the AMD or Intel published specs do not always apply. For example, I had a Dimension E510 (5150 model is identical). It came with a D820 CPU and according to the Intel specs it was compatible with up to a D960 CPU. But, because of the Dell custom chipset implementation a D945 was the fastest Dxxx CPU that would work in it. We had reports, on the Dell forum, of users trying the D960 and it would not boot.
My System SpecsSystem Spec
12 Aug 2018   #8
Megahertz07

Windows 7 HP 64
 
 

Quote   Quote: Originally Posted by superqaz View Post
also, what is the advantage if i do the following: buy and install (2+2)G DDR2 800 (PC2-6400) and remove the other (1+1+1)G DDR2
thanx
When you mix memory it will work with the timings of the worst memory stick. So even you have a DDR 800 it will work as DDR 666

Also if you have equal type and size in channel A and B, it will work as dual channel, increasing overall memory speed.

A computer with 4G (or less) will run with more free RAM (and faster) with Win 7 32, even it can't use more than 3.2G, than on a Win 7 64 bits. If the computer share some memory to the graphics card, than a 32bits with 4G (or less) is much faster than a 64bits.
My System SpecsSystem Spec
13 Aug 2018   #9
superqaz

win 7 64 bit
 
 

Quote   Quote: Originally Posted by Megahertz07 View Post
When you mix memory it will work with the timings of the worst memory stick. So even you have a DDR 800 it will work as DDR 666

Also if you have equal type and size in channel A and B, it will work as dual channel, increasing overall memory speed.

A computer with 4G (or less) will run with more free RAM (and faster) with Win 7 32, even it can't use more than 3.2G, than on a Win 7 64 bits. If the computer share some memory to the graphics card, than a 32bits with 4G (or less) is much faster than a 64bits.

i dont see 2 channels , all 4 slots look the same.


can you re phrase the last paragraph , it sounds interesting but i cant fully understands it

thanx
My System SpecsSystem Spec
13 Aug 2018   #10
fireberd

Windows 10 64 bit
 
 

Here is the memory configuration from the Inspiron 531 manual.


Attached Images
if i add a 2gb strip will the total be seen as 5gb-capture.jpg 
My System SpecsSystem Spec
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 if i add a 2gb strip will the total be seen as 5gb




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