RAM black screen - after install new ram

Mirkan42 · Oct 23, 2016

Hi all,

I have bought 2 new ram to test out if new ram is working on my pc but nothing.. Only black screen.
Here are my specs:
Acer Veriton M480 OEM
Mobo: N-1996 MICROSTAR MS-7607 (no name on speccy).
Intel G45/43 chipset (A3)
Ram: 2gb 1rx8 pc3-10600u 09-10-a0
----------
Now my question is i have those 2 new rams and these two does not work:

Kingston 4gb 1rx8 pc3l-12800u 11-12-a1

Kingston 4gb (khx1600c9d3b1/4g)

Anyone please help?

TonyK2 · Oct 23, 2016

Did you check If your motherboard is compatible with the RAM you bought?

Mirkan42 · Oct 23, 2016

Well yes i did, my motherboard supports till 1033mhz but shouldnt the ram downgrade to 1033? I dont know whats the problem, i rode all threads; tried cmos battery reset, actually everything. I have 2 different rams to try on and they both didnt work... Isnt it strange hmph..

Tradesman1 · Oct 23, 2016

Those are both newer models of DRAM (Post 2010) that are made with high density memory ICs, which aren't compatible with the older mobo. I'd look for the GSkill NT series of Value DRAM which are still available and were made with low density ICs

Mirkan42 · Oct 27, 2016

Well, those are all ddr3. I thought it wont be a problem..

I checked crucial advisor and it said i can even buy ddr3-1600

Strange

Plumboby · Oct 27, 2016

i am using the crucial i found a set of the sticks & found the best for booting odd set ups that are picky even crossiar make good ram that may work got any original ram to match up to

bitter_lemon · May 12, 2023

Mirkan42 said:
Well, those are all ddr3. I thought it wont be a problem..

I checked crucial advisor and it said i can even buy ddr3-1600

Strange

I know this is the old thread and sorry for reviving it, but it can be helpful for someone with similar problems. I have this motherboard and I'm actively using it almost every day. It was used in Acer Veriton M480G bare-bone PCs and is made by MSI for Acer.

Motherboard name is Acer MG43M and came in two revisions: 1.0 (which I own) and 1.1. Except for going from electrolytic caps to polymer in some places, I'm not sure what other HW changes are made. There are 2 branches of BIOS for this MB: P01 and P02. AFAICT P01 is used on revision 1.0 and P02 is used on revision 1.1. BIOS files could be downloaded from The Retro Web.

This being said - this motherboard is very picky when it comes to RAM modules. It has 4xDDR3-1066 MT/s slots which can work in dual-channel mode. It supports up to 8GB system RAM total. If you want to max out RAM you need to use 4x2GB modules - but it will not work with single sided sticks (trust me - I tried)! You need to use dual sided sticks! And not only that - high capacity chips, even on dual sided modules (rare, but they do exist), will not work.

I'm using these modules: 4x Apacer 78.A1GC6.BS1, but these will also work - Transcend JM1333KLU-2G (personally tried) or Kingston KVR1333D3N9/2G (personally tried). All 3 modules mentioned are populated in this configuration: 128Mb x8 in 2Rx8 (dual rank x8). This translates to having 16 chips per module or 8 per side or 128MB per chip.

Since BIOS of this motherboard does not let you have any control over memory timings it is strange this motherboard boots with 1066-8-8-8-20 clocks, none of which are part of JEDEC standards AFAIK (SPD4.1.2.11).

Note: In my personal experience with DDR2 and DDR3 module regarding clocks: You can safely put RAM module of certain clock speed in system which supports 1 level down speed - for example 1333MHz modules will probably work in 1066MHz systems, but it may not work in 800MHz configuration. 1600MHz will probably work in 1333MHz systems but it may not work in 1066MHz systems.

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