I believe what you are asking for, is a Motherboard Manual, for the motherboard used in an Acer Aspire M5400 desktop computer,
Not available.
The motherboard is made FOR Acer, by a motherboard manufacturer.
In this case the manufacturer does not supply information.
Acer does.
Motherboard,
http://www.shopping.com/acer-acer-mb-se109-002-aspire-desktop-board-motherboard/infoSpecifications,
http://support.acer.com/acerpanam/desktop/2010/acer/Aspire/AspireM5400/AspireM5400sp2.shtmlWith the above information you can see;
1) Processor Support.
2) Uses a Socket AM3 processor socket,
http://en.wikipedia.org/wiki/Socket_AM3[ Look at the list of AMD Phenom II, and Athlon II, processors.
Now look at this chart, {Scroll down},
http://en.wikipedia.org/wiki/List_of_AMD_Phenom_microprocessors#Phenom_II_series Now look at the processor socket used for these processors. Scroll the page down, compare using the charts ]
3) The motherboard chipset is an AMD 880G,
http://en.wikipedia.org/wiki/List_of_AMD_chipsets#A-Link_Express_IIIHere you see more information on what the motherboard supports.
4) The Ram Memory used is DDR3 Sdram, at either 1066MegaHertz, or 1333MHz.
(That is PC3-8500, and PC3-10600, respectively)
The Maximum TOTAL Amount for the motherboard is 8GB.
There are 4 Ram Memory slots.
The Maximum Amount for EACH one is 2GB.
NOTE*
O/S = Operating System.
Windows XP, and Windows 7, are two examples of an O/S.
With a 32-bit O/S, the maximum amount of Ram Memory that will be recognized, is 3-1/2 GigaByte. (3.5GB)
You have to have a 64-bit O/S for above 3.5 GB.
(8GB? You need a 64-bit O/S)
ALSO, don't just use any Ol' DDR3 ram memory.
I doubt you can go into BIOS Setup, and change the Voltage, and ram timings, for a high-performance ram memory.
In otherwords 'gamer' ram memory.
JEDEC sets a standard for Ram Memory.
One of the standards is the Voltage. Standard default voltage set for your motherboard by JEDEC, for the Ram Memory, is 1.5 Volts. (DC)
MAXIMUM voltage is 1.575
That Acer board is not capable of handling DDR3 high-performance ram memory, that will exceed 1.5 volts.
(Probably isn't a BIOS upgrade either)
What is it that you seek? Post back in a Comment.
Regards,
joecoolvette
JEDEC,
http://en.wikipedia.org/wiki/JEDEC
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