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  How do I make my system recognize the full RAM? 
 
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Kevin Sim May 13, 2007, 05:27am EDT Reply - Quote - Report Abuse
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I recently upgraded from 2 GB to 4 GB as well as installing Vista. Now my system tells me I have 2543 MB and won't recognize more. I did some searching on the net and found 1 site that has a Vista RAM compatability test which registered all 4 GBs of RAM. Ialso found some guidance to "look in your BIOS for a limit on how much memory your computer will use and set it higher" which I did and only found a limit on how much memory my computer will recognize but no way to adjust it.

Can anyone tell me how to set my RAM up so I get the full use out of it? Specs are in my sig.


AMD Athlon 64X2 Dual core 4800+ CPU
ASUS A8N32-SLI MB
XFX GeForce 7950 GX2 graphics
Mushkin XP 4GB PC4000 DDR 500 MHz (4 x 1GB) RAM
Maxtor 250GB HD
LiteOn 16x DVD Burner
1.44MB floppy
600W ATX PSU
Windows Vista 32bit
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Shadow_Ops_Airman1 May 13, 2007, 05:33am EDT Reply - Quote - Report Abuse
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Edited: May 13, 2007, 05:37am EDT

 
>> Re: How do I make my system recognize the full RAM?
if its a on off switch command, switch it to off in the bios, also question you running 64bit vista or 32bit vista, if you are running 32bit, try turning off the swap space/paging file. If you need more help look on the forums of your motherboard maker, for your exact model motherboard. Btw just to ask what Motherboard Make and Model do you have, i may be able to help you with configuring it.

AMD Athlon XP-M 2500+ (133x14= 1867MHz) (209x11= 2299MHz)
DFI LP NF2 Ultra-B (Hellfire 3EG Rev2)
Antec SX800, Neo HE 500, 4 Antec 8CM Fans
Thermalright SI-97 1 Antec Tricool 12CM Fan
CL SB XFi Xtreme Music
2x Barracuda HDs (250/400)
2x Samsung Write
Shadow_Ops_Airman1 May 13, 2007, 06:04am EDT Reply - Quote - Report Abuse
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>> Re: How do I make my system recognize the full RAM?
http://vip.asus.com/forum/topic.aspx?board_id=1&SLanguage=en-us

go there for help, i wasnt able to find anything in the bios that pertains to that, i think its just a setting in windows thats f'd up

AMD Athlon XP-M 2500+ (133x14= 1867MHz) (209x11= 2299MHz)
DFI LP NF2 Ultra-B (Hellfire 3EG Rev2)
Antec SX800, Neo HE 500, 4 Antec 8CM Fans
Thermalright SI-97 1 Antec Tricool 12CM Fan
CL SB XFi Xtreme Music
2x Barracuda HDs (250/400)
2x Samsung Write
TamTheBam May 13, 2007, 07:16am EDT Reply - Quote - Report Abuse
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>> Re: How do I make my system recognize the full RAM?
It's defo the BIOS that sets this for RAM. I have the P5W Deluxe, and the option to set this is called MEMORY REMAP. This tells the BIOS if you are using 32Bit or 64Bit OS.
I'd the same problem as you. I done a thorough look in Bios and found this.

....I'm back, but only as a part-timer... :)
Dublin_Gunner May 13, 2007, 09:35am EDT Reply - Quote - Report Abuse
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Edited: May 13, 2007, 09:48am EDT

 
>> Re: How do I make my system recognize the full RAM?
You'll need to enable Physical Address Extension on 32bit versions of Windows.

Here's how:
http://vistarewired.com/2007/03/29/how-to-enable-more-than-35-...ows-vista/

http://support.microsoft.com/kb/929605

Lancool PC K62
Phenom II x3 @ 3.5Ghz
4GB DDR2-800
ASUS GTX570 DirectCU II
Kevin Sim May 13, 2007, 01:26pm EDT Reply - Quote - Report Abuse
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>> Re: How do I make my system recognize the full RAM?
Thank you all for the quick replies and what should have been great help but...

My memory remapping in BIOS doesn't seem to exist... the closest I can get is something to work around a memory mapping hole (this might be the right feature and I will test it after this post)

My BIOS only says that the limit is set and won't give any on/off options on it. Can anyone direct me to the right spot to look in BIOS if the feature is concealed under other functions? I would explore it but my BIOS altering experience has only ever had bad results. Just a list of how each of you would access memory remap by selecting functions might help.

AMD Athlon 64X2 Dual core 4800+ CPU
ASUS A8N32-SLI MB
XFX GeForce 7950 GX2 graphics
Mushkin XP 4GB PC4000 DDR 500 MHz (4 x 1GB) RAM
Maxtor 250GB HD
LiteOn 16x DVD Burner
1.44MB floppy
600W ATX PSU
Windows Vista 32bit
Dublin_Gunner May 13, 2007, 01:30pm EDT Reply - Quote - Report Abuse
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>> Re: How do I make my system recognize the full RAM?
You'll have to check your manual Kevin, each boards BIOS is different

Lancool PC K62
Phenom II x3 @ 3.5Ghz
4GB DDR2-800
ASUS GTX570 DirectCU II
Kevin Sim May 13, 2007, 02:20pm EDT Reply - Quote - Report Abuse
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>> Re: How do I make my system recognize the full RAM?
I have found an unhappy answer to this... possibly.

My graphics card uses 1GB of available memory space and the various other components use even more bringing my total maximum memory down to 2815 MB (reference http://dlsvr01.asus.com/pub/ASUS/mb/4GB_Rev1.pdf for details). These limits are set by the 32 bit operating system and the memory usage of my various components... The maximum memory is set at 4 GB by windows vista 32 bit edition and then components like graphics cards and such use a portion of the available maximum memory.

Sorry if I seem to have repeated the same info 2 or 3 times above I was jut trying to put it in terms anyone could understand.

As a side note... the PAE change seems to have added 300 MB or so on what I recall having previously.

AMD Athlon 64X2 Dual core 4800+ CPU
ASUS A8N32-SLI MB
XFX GeForce 7950 GX2 graphics
Mushkin XP 4GB PC4000 DDR 500 MHz (4 x 1GB) RAM
Maxtor 250GB HD
LiteOn 16x DVD Burner
1.44MB floppy
600W ATX PSU
Windows Vista 32bit
Dublin_Gunner May 13, 2007, 03:12pm EDT Reply - Quote - Report Abuse
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>> Re: How do I make my system recognize the full RAM?
It should add a lot more than that, up to around 64Gb should be addressable

Lancool PC K62
Phenom II x3 @ 3.5Ghz
4GB DDR2-800
ASUS GTX570 DirectCU II
Kevin Sim May 13, 2007, 04:04pm EDT Reply - Quote - Report Abuse
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>> Re: How do I make my system recognize the full RAM?
If you read the article i linked it says the limit on a 32 bit system is 4 MB. Additionally in 2 other articles i didn't bother to link or make note of I found that the same holds true on windows vista 32 bit systems or at the very least that it would hold true on my system which doesn't have a BIOS setting that is required (the setting is related to memory remap but is not the same as memory remap). The location I discovered this info was on the Asus website through my MB FAQs.

The only way I can get my full memory usage would be to upgrade my MB and CPU which is an additional $700 I can't presently afford.

AMD Athlon 64X2 Dual core 4800+ CPU
ASUS A8N32-SLI MB
XFX GeForce 7950 GX2 graphics
Mushkin XP 4GB PC4000 DDR 500 MHz (4 x 1GB) RAM
Maxtor 250GB HD
LiteOn 16x DVD Burner
1.44MB floppy
600W ATX PSU
Windows Vista 32bit
Dublin_Gunner May 13, 2007, 05:34pm EDT Reply - Quote - Report Abuse
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Edited: May 13, 2007, 05:35pm EDT

 
>> Re: How do I make my system recognize the full RAM?
Kevin Sim said:
If you read the article i linked it says the limit on a 32 bit system is 4 MB. Additionally in 2 other articles i didn't bother to link or make note of I found that the same holds true on windows vista 32 bit systems or at the very least that it would hold true on my system which doesn't have a BIOS setting that is required (the setting is related to memory remap but is not the same as memory remap). The location I discovered this info was on the Asus website through my MB FAQs.

The only way I can get my full memory usage would be to upgrade my MB and CPU which is an additional $700 I can't presently afford.



No. The limit for a 32bit os is 4gb yes, but PAE extends the address range to 36bit, allowing around 64Gbyte to be addressed, thats the whole idea of it.

BTW, 700 for a mobo & CPU????? WHat mobo and CPU costs that much?? A quad core maybe?

ANd exactly what makes you think you need to upgrade your mobo & CPU?? The easiest for it to all be recognised would be to get a 64bit OS. Your board & CPU both support 64bit, and both support 4gb at least.


Lancool PC K62
Phenom II x3 @ 3.5Ghz
4GB DDR2-800
ASUS GTX570 DirectCU II
James Nolan May 13, 2007, 07:05pm EDT Reply - Quote - Report Abuse
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Edited: May 13, 2007, 07:15pm EDT

 
>> Re: How do I make my system recognize the full RAM?

Kevin Sim May 13, 2007, 08:07pm EDT Reply - Quote - Report Abuse
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Edited: May 13, 2007, 08:10pm EDT

 
>> Re: How do I make my system recognize the full RAM?
yes my system is now recognizing more RAM than it did before i changed PAE settings but it still seems to be limited to 4 GB total.

And yes the $700 was off the top of my head... I see a few AM2 combos for $200 to $450 but having spent $800+ on my system in the last week I still can't afford it at this time.

AMD Athlon 64X2 Dual core 4800+ CPU
ASUS A8N32-SLI MB
XFX GeForce 7950 GX2 graphics
Mushkin XP 4GB PC4000 DDR 500 MHz (4 x 1GB) RAM
Maxtor 250GB HD
LiteOn 16x DVD Burner
1.44MB floppy
600W ATX PSU
Windows Vista 32bit
Dublin_Gunner May 14, 2007, 05:30am EDT Reply - Quote - Report Abuse
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>> Re: How do I make my system recognize the full RAM?
You'd get an E6600 & decent mobo for $400, but of course you'd need ram too, which would bring it up to <$600 for E6600, decent mobo, 2gb ram.

Lancool PC K62
Phenom II x3 @ 3.5Ghz
4GB DDR2-800
ASUS GTX570 DirectCU II
Max Lindholm May 14, 2007, 10:12am EDT Reply - Quote - Report Abuse
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>> Re: How do I make my system recognize the full RAM?
You must be referring to a machine other than the one in your profile, because that there AMD X2 processor supports 64-bit memory addressing. Like mentioned above, you only need a 64-bit OS, since you already have the hardware.

Kevin Sim May 15, 2007, 01:41am EDT Reply - Quote - Report Abuse
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>> Re: How do I make my system recognize the full RAM?
The problem is the chipset drivers... havent been able to find workable replacement drivers yet. :(

AMD Athlon 64X2 Dual core 4800+ CPU
ASUS A8N32-SLI MB
XFX GeForce 7950 GX2 graphics
Mushkin XP 4GB PC4000 DDR 500 MHz (4 x 1GB) RAM
Maxtor 250GB HD
LiteOn 16x DVD Burner
1.44MB floppy
600W ATX PSU
Windows Vista 32bit

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