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How come my mobo manufacturer specs are different?

post #1 of 10
Thread Starter 
I have an older computer that I'm going to set up as a File server/HTPC. Its a Compaq Presario SR1215CL from originally purchased in 2004. I need to upgrade the OS from XP, but there mobo maker says that it can use up to 2Gb PC2700. However the compaq website says that it can only have a total of 1Gb. If you take a look at the "memory" on this page, it even says that the PC manufacturer's maximum may vary.

http://h20000.www2.hp.com/bizsupport...=c00069442#doc

Why is that? What can I do to make it be able to make use of the full 2Gb that they say the motherboard is capable of? Maybe a bios update?
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post #2 of 10
I would go according to the manufacturer. I have seen companies put lower values for things like ram because they put the number they offer, not the max the board can take.
post #3 of 10
Thread Starter 
So you're saying you'd go with the 2Gb option instead of the 1Gb? You'd go with the mobo maker instead of the PC maker? What if they had them make the bios so that you can't upgrade further? That way, you'll be sure to have to buy a new PC a lot sooner...

I'm wondering if that's why I can't upgrade my friend's PC past 1.25Gb. He's got 1.5Gb in there, but its only registering 1.25Gb. In windows it shows all of it, but it says that only 1.25 is being used.
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640Gb WD Black. 500Gb Seagate Barracuda 7200.11 Windows 7 Ultimate - 64 bit 24" ASUS LED $12 Wal-mart Special-Logitech 
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post #4 of 10
Quote:
Originally Posted by Bennylava View Post
So you're saying you'd go with the 2Gb option instead of the 1Gb? You'd go with the mobo maker instead of the PC maker? What if they had them make the bios so that you can't upgrade further? That way, you'll be sure to have to buy a new PC a lot sooner...

I'm wondering if that's why I can't upgrade my friend's PC past 1.25Gb. He's got 1.5Gb in there, but its only registering 1.25Gb. In windows it shows all of it, but it says that only 1.25 is being used.
Well if it has a custom bios then it is hard telling. But I know that the limit the manufacturer specifies isn't always true. Lenovo says that my laptop only supports 4gb and I have 8gb in it right now.
post #5 of 10
Thread Starter 
You sure all 8Gb are being utilized?
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640Gb WD Black. 500Gb Seagate Barracuda 7200.11 Windows 7 Ultimate - 64 bit 24" ASUS LED $12 Wal-mart Special-Logitech 
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640Gb WD Black. 500Gb Seagate Barracuda 7200.11 Windows 7 Ultimate - 64 bit 24" ASUS LED $12 Wal-mart Special-Logitech 
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post #6 of 10
Quote:
Originally Posted by Bennylava View Post
You sure all 8Gb are being utilized?
yes I am sure. I have run VMs on it with 4gb of ram allocated to them. It shows 8gb, and it says 7.85 are usable, that is because I have onboard video though.
post #7 of 10
Thread Starter 
Ha do you happen to have links to the threads that have the quotes from your funny junk clickie?
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Hard DriveOSMonitorKeyboard
640Gb WD Black. 500Gb Seagate Barracuda 7200.11 Windows 7 Ultimate - 64 bit 24" ASUS LED $12 Wal-mart Special-Logitech 
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post #8 of 10
Quote:
Originally Posted by Bennylava View Post
Ha do you happen to have links to the threads that have the quotes from your funny junk clickie?
just click the blue little arrow.
post #9 of 10
Quote:
Originally Posted by Bennylava View Post
So you're saying you'd go with the 2Gb option instead of the 1Gb? You'd go with the mobo maker instead of the PC maker? What if they had them make the bios so that you can't upgrade further? That way, you'll be sure to have to buy a new PC a lot sooner...

I'm wondering if that's why I can't upgrade my friend's PC past 1.25Gb. He's got 1.5Gb in there, but its only registering 1.25Gb. In windows it shows all of it, but it says that only 1.25 is being used.
That's probably because you're friend's PC has onboard video, and a portion of the ram is being used along with it.
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i7 4790k Gryphon Z97 Asus GTX760 OC 16GB Crucial Ballistix 
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six|speed
(11 items)
 
five|speed
(14 items)
 
automatic.
(14 items)
 
CPUMotherboardGraphicsRAM
i7 4790k Gryphon Z97 Asus GTX760 OC 16GB Crucial Ballistix 
Hard DriveCoolingOSOS
2x 256GB Crucial MX100 H60 Windows 8.1 Pro OS X Yosemite 
MonitorPowerCase
2x Dell U2414H Seasonic X650 Legacy U3 
CPUMotherboardGraphicsRAM
i5 760 | 4GHz | 1.275v Gigabyte P55A-UD3 MSI NX7600GT  8GB G.Skill ECO 
Hard DriveOptical DriveCoolingOS
1TB Samsung Spinpoint F3 LG 22X DVD±R Corsair H50 OSX 10.7.3 
MonitorPowerCaseMouse
LG 23" Corsair HX620 Antec Nine-Hundred MX 518 
Mouse Pad
Thermaltake 
CPUMotherboardGraphicsRAM
X3 710 CACZC | 3.7GHz DFI LP DK 790GX-M2RS ATI Radeon HD 3300 4GB OCZ XTC @ 800MHz 2.08v 
Hard DriveOptical DriveCoolingOS
Western Digital 6400AAKS LG 22X DVD±R Xigmatek S1283 7 Professional 64-Bit 
MonitorKeyboardPowerCase
20" Acer AL2017 Logitech Media Corsair CX430 Thermaltake Soprano 
Mouse
Logitech G5 
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post #10 of 10
Thread Starter 
Good point. Isn't it kind of a drawback to have that going on? I mean its got to be slower than say a real card with its own dedicated RAM... right? Or is it just as good, in its own way?
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Intel E8400 @ 4.0Ghz (1.400v) 24/7 EVGA 750i FTW Nvidia GTX 570 (EVGA) 4Gb (2x2Gb) Kingston Hyperx 1066 5-4-4-12-18@1.9v 
Hard DriveOSMonitorKeyboard
640Gb WD Black. 500Gb Seagate Barracuda 7200.11 Windows 7 Ultimate - 64 bit 24" ASUS LED $12 Wal-mart Special-Logitech 
PowerCaseMouse
1200w Silverstone StriderST Lancool Microsoft Trackball Optical-D67-000117 
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Aging System:
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel E8400 @ 4.0Ghz (1.400v) 24/7 EVGA 750i FTW Nvidia GTX 570 (EVGA) 4Gb (2x2Gb) Kingston Hyperx 1066 5-4-4-12-18@1.9v 
Hard DriveOSMonitorKeyboard
640Gb WD Black. 500Gb Seagate Barracuda 7200.11 Windows 7 Ultimate - 64 bit 24" ASUS LED $12 Wal-mart Special-Logitech 
PowerCaseMouse
1200w Silverstone StriderST Lancool Microsoft Trackball Optical-D67-000117 
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