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| Hardware and Windows Vista Hardware issues in relation to Windows Vista. (microsoft.public.windows.vista.hardware_devices) |
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January 4th 10, 02:44 PM
posted to microsoft.public.windows.vista.hardware_devices
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Installed Usable Memory
Obviously I should have stated that 1.024x 1792= 1834 and not that
1024x1792=1834. "Paul Calcagno" wrote in message ... Curious, Without putting too fine a point on it, `Winver' reports 1,833,800 KB (which is 1833.8 MB, which is 1.8338 GB). Multiplying 1024 MB times 1792 MB as you did does not yield 1834 GB's. It yields 1834 Million GB's, which is a whole lot more than 1834 MB. So I don't think that's going to explain the differences reported by my machine. Thanks for your input. Paul C. "Curious" wrote in message ... In the computer 1GB can mean either 1000 MB or 1024 MB. Note that 1024x1792=1834 "Paul Calcagno" wrote in message ... Curious, I just noticed that if I use `winver' in Start==Run I get a panel saying my OS version (Vista Home Premium version 6.0, build 6002: SP2) AND says that I have `1833.90 MB available for Windows'. Does this conflict with the 1792 MB that's reported by Belarc Advisor as the available installed memory. Any comments as to which number is `correct'? Or maybe there both right, meaning there's nothing `wrong' with the RAM. Paul C. "Curious" wrote in message ... It is also possible that your MOBO or your BIOS limits addressable memory to 2GB and therefore 256MB of address space is being used by Vista to support your graphics card even if it is not using shared memory. Not all of this memory is not available to you since it is just pre-reserved. "Paul Calcagno" wrote in message ... Thanks Curious. I'll try to verify that. PaulC. "Curious" wrote in message ... Is it possible that the graphics chip in the system is using 256MB of shared memory.? How much memory does the BIOS say your system has? "Paul Calcagno" wrote in message ... I'm running Windows Vista Home Premium (SP2), with 2 GB of RAM, Firefox, CA Security Suite, MBAB, SuperAntiSpyware Professional, Cleaner and Spybot search and destroy on an Acer Aspire T180 desktop. All WU's are current and the machine is working just great. About 6 months ago I noticed a reduction in the amount of usable installed memory. I have 2048 MB of installed RAM in 3 slots (512 MB, 512 MB and 1024 MB-with one slot empty), but only 1792 MB of usable memory. The usable installed/unusable installed difference is 256 MB. The difference may mean that some of it has gone bad or whatever. Is there anyway to ascertain why I'm not able to take advantage of the full 2024 MB of RAM? Is it possible one of the memory sticks is not plugged in correctly or there's a dirty contact somewhere? I realize that this may be a `don't fix it if it ain't broken' situation since the computer runs just fine but if there's something I can actually do to get back the missing 256 MB of RAM that'd be nice. I'm posting this here and also at: Microsoft.public.windows.vista.performance_mainten ance since I'm not sure of the correct post location. Thanks...PaulC. 
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January 4th 10, 03:19 PM
posted to microsoft.public.windows.vista.hardware_devices
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Installed Usable Memory
Ok Curious. Now I get what you were trying to say. Sorry for being so dense.
You're correct that one place reporting usable memory might be using a different number for how big a GB is. I'll try to read your posts more carefully the next time before responding. Paul C. "Curious" wrote in message ... Obviously I should have stated that 1.024x 1792= 1834 and not that 1024x1792=1834. "Paul Calcagno" wrote in message ... Curious, Without putting too fine a point on it, `Winver' reports 1,833,800 KB (which is 1833.8 MB, which is 1.8338 GB). Multiplying 1024 MB times 1792 MB as you did does not yield 1834 GB's. It yields 1834 Million GB's, which is a whole lot more than 1834 MB. So I don't think that's going to explain the differences reported by my machine. Thanks for your input. Paul C. "Curious" wrote in message ... In the computer 1GB can mean either 1000 MB or 1024 MB. Note that 1024x1792=1834 "Paul Calcagno" wrote in message ... Curious, I just noticed that if I use `winver' in Start==Run I get a panel saying my OS version (Vista Home Premium version 6.0, build 6002: SP2) AND says that I have `1833.90 MB available for Windows'. Does this conflict with the 1792 MB that's reported by Belarc Advisor as the available installed memory. Any comments as to which number is `correct'? Or maybe there both right, meaning there's nothing `wrong' with the RAM. Paul C. "Curious" wrote in message ... It is also possible that your MOBO or your BIOS limits addressable memory to 2GB and therefore 256MB of address space is being used by Vista to support your graphics card even if it is not using shared memory. Not all of this memory is not available to you since it is just pre-reserved. "Paul Calcagno" wrote in message ... Thanks Curious. I'll try to verify that. PaulC. "Curious" wrote in message ... Is it possible that the graphics chip in the system is using 256MB of shared memory.? How much memory does the BIOS say your system has? "Paul Calcagno" wrote in message ... I'm running Windows Vista Home Premium (SP2), with 2 GB of RAM, Firefox, CA Security Suite, MBAB, SuperAntiSpyware Professional, Cleaner and Spybot search and destroy on an Acer Aspire T180 desktop. All WU's are current and the machine is working just great. About 6 months ago I noticed a reduction in the amount of usable installed memory. I have 2048 MB of installed RAM in 3 slots (512 MB, 512 MB and 1024 MB-with one slot empty), but only 1792 MB of usable memory. The usable installed/unusable installed difference is 256 MB. The difference may mean that some of it has gone bad or whatever. Is there anyway to ascertain why I'm not able to take advantage of the full 2024 MB of RAM? Is it possible one of the memory sticks is not plugged in correctly or there's a dirty contact somewhere? I realize that this may be a `don't fix it if it ain't broken' situation since the computer runs just fine but if there's something I can actually do to get back the missing 256 MB of RAM that'd be nice. I'm posting this here and also at: Microsoft.public.windows.vista.performance_mainten ance since I'm not sure of the correct post location. Thanks...PaulC.
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January 4th 10, 03:19 PM
posted to microsoft.public.windows.vista.hardware_devices
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Installed Usable Memory
Ok Curious. Now I get what you were trying to say. Sorry for being so dense.
You're correct that one place reporting usable memory might be using a different number for how big a GB is. I'll try to read your posts more carefully the next time before responding. Paul C. "Curious" wrote in message ... Obviously I should have stated that 1.024x 1792= 1834 and not that 1024x1792=1834. "Paul Calcagno" wrote in message ... Curious, Without putting too fine a point on it, `Winver' reports 1,833,800 KB (which is 1833.8 MB, which is 1.8338 GB). Multiplying 1024 MB times 1792 MB as you did does not yield 1834 GB's. It yields 1834 Million GB's, which is a whole lot more than 1834 MB. So I don't think that's going to explain the differences reported by my machine. Thanks for your input. Paul C. "Curious" wrote in message ... In the computer 1GB can mean either 1000 MB or 1024 MB. Note that 1024x1792=1834 "Paul Calcagno" wrote in message ... Curious, I just noticed that if I use `winver' in Start==Run I get a panel saying my OS version (Vista Home Premium version 6.0, build 6002: SP2) AND says that I have `1833.90 MB available for Windows'. Does this conflict with the 1792 MB that's reported by Belarc Advisor as the available installed memory. Any comments as to which number is `correct'? Or maybe there both right, meaning there's nothing `wrong' with the RAM. Paul C. "Curious" wrote in message ... It is also possible that your MOBO or your BIOS limits addressable memory to 2GB and therefore 256MB of address space is being used by Vista to support your graphics card even if it is not using shared memory. Not all of this memory is not available to you since it is just pre-reserved. "Paul Calcagno" wrote in message ... Thanks Curious. I'll try to verify that. PaulC. "Curious" wrote in message ... Is it possible that the graphics chip in the system is using 256MB of shared memory.? How much memory does the BIOS say your system has? "Paul Calcagno" wrote in message ... I'm running Windows Vista Home Premium (SP2), with 2 GB of RAM, Firefox, CA Security Suite, MBAB, SuperAntiSpyware Professional, Cleaner and Spybot search and destroy on an Acer Aspire T180 desktop. All WU's are current and the machine is working just great. About 6 months ago I noticed a reduction in the amount of usable installed memory. I have 2048 MB of installed RAM in 3 slots (512 MB, 512 MB and 1024 MB-with one slot empty), but only 1792 MB of usable memory. The usable installed/unusable installed difference is 256 MB. The difference may mean that some of it has gone bad or whatever. Is there anyway to ascertain why I'm not able to take advantage of the full 2024 MB of RAM? Is it possible one of the memory sticks is not plugged in correctly or there's a dirty contact somewhere? I realize that this may be a `don't fix it if it ain't broken' situation since the computer runs just fine but if there's something I can actually do to get back the missing 256 MB of RAM that'd be nice. I'm posting this here and also at: Microsoft.public.windows.vista.performance_mainten ance since I'm not sure of the correct post location. Thanks...PaulC.
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