02-13-2013 06:40 AM
Here is my system:
1. Product name: Compaq Presario CQ5202SC desktop
Product number: VS250AA
Release date: 14-Oct-2009 (Sold in Scandinavia)
2. Operating System installed: Windows Home Premium Edition (64bit) (Version number 7600, DirectX-
3. Error messages: Not applicable
4. Any changes made to the system: Don't know of any changes except adding programs and updates. I have
bought the system second hand. One owner.
The system has 3 GB of RAM at the moment. I think it is the original memory and consists of:
- 2GB DDR3-SDRAM (1333 MHz) from Samsung 2009. Partnumber: M378B5673EH1-CH9
- 1GB DDR3-SDRAM (1333 MHz) from Micron Technology 2009. Partnumber: 8JTF1286AZ-1G4F1
The BIOS version is 5.11
Motherboard: M2N68-LA (Narra 6)
- Manufacturer's Motherboard name: Pegatron M2N68-LA
- HP/Compaq name: Narra6-GL6
Front side bus speed:
- 2000MT/s (2.0 GT/s)
Memory upgrade info below is cut and pasted from the Narra 6 specifications:
--- BEGINNING OF CUT AND PASTE SECTION ---
- Dual channel memory architecture
- Two DDR3 DIMM (240-pin) sockets
- Supported DIMM types:
- Non-ECC memory only, unbuffered
- Supports 2GB DDR2 DIMMs
- Supports up to 4 GB* on 32 bit PCs
*32-bit operating systems cannot address a full 4.0 GB of memory.
--- END OF CUT AND PASTE SECTION ---
What puzzles me with the memory upgrade info above is the bit about "Supports up to 4 GB on 32 bit PCs".
Is my system a 32 bit PC or a 64 bit PC ?
Since I have a 64-bit operating system it seems I should be able to address a full 4 GB of memory (and much, much more for that matter). But maybe the system can only handle a maximum of 4 GB anyhow. I am hoping for 8 GB and thinking of getting two 4 GB RAMS (preferably with identical partnumbers) and replacing the two that are installed.
I cannot from the motherboard info or any other info on the system tell how much memory my system can handle. I haven't seen any answer to it in this forum either so can someone tell for sure what the max is?
Also if 4 GB is the max, I'd really appreciate it if someone can explain why the system cannot handle more.
02-13-2013 07:17 AM
PCs are not 32 or 64-bit. It is the installed operating system that is 32-bit or 64-bit. The maximum memory that is recommended is 4 GB. Only purchase guaranteed compatible memory modules from a well know memory maker.
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02-20-2013 09:39 PM
From your post above;
"System has 'Two DDR3 DIMM (240-pin) sockets' and 'Supports 2GB DDR2 DIMMs'"
"I cannot from the motherboard info or any other info on the system tell how much memory my system can handle. I haven't seen any answer to it in this forum either so can someone tell for sure what the max is?"
From the motherboard information listed in your post and reiterated above, the system has 2 DIMM sockets and each socket supports up to a 2GB DIMM.... 2 X 2GB = 4GB max.
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02-22-2013 04:49 PM
to try and address your question:
"Also if 4 GB is the max, I'd really appreciate it if someone can explain why the system cannot handle more."
This is normally limited by the Bios and/or motherboard chipset.
06-24-2017 03:57 AM
Sorry for the late response to this thread but I just upgraded my friends Compaq Presario CQ5250SC from 4GB (2x2GB) of DDR3 memory to 8GB (4x2GB) of DDR3 memory without issue running Windows 7 Pro. I also upgraded his PC to Windows 10 and it ran fine on this motherboard setup. I also put in a Phenom ][ X4 B93 and will now look to see if this processor can be upgraded further to a 125W model.