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A320M-DGS RAM reserved to hardware
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datonyb View Drop Down
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    Posted: 12 Jan 2018 at 4:32am
not really its quite common problem with these newer design ram slots

the pressure required is far greater then we would like to use to push the ram home fully
[url=https://valid.x86.fr/jpg250][/url]

3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold
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NicRock View Drop Down
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Points: 10 		Post Options Post Options   Thanks (0) Thanks(0)   Quote NicRock Quote  Post ReplyReply Direct Link To This Post Posted: 12 Jan 2018 at 4:10am
Thanks to all who answer me...I will experiment, but it is a real computer odyssey.
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datonyb View Drop Down
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Points: 3154 		Post Options Post Options   Thanks (0) Thanks(0)   Quote datonyb Quote  Post ReplyReply Direct Link To This Post Posted: 12 Jan 2018 at 3:33am
and then .....just reseat the ram stick and press it in firmly
99% of the time its the ram stick NOT pushed in properly
[url=https://valid.x86.fr/jpg250][/url]

3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold
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zlobster View Drop Down
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Double-check if RAM modules are seated properly. Try running them at default speed, not XMP.

Update UEFI, clear CMOS, enable memory training, bump SoC voltage to 1.1V
1700X ZP-B1 (stock); X370 Taichi (UEFI 3.10); 16GB F4-3200C14-8GFX XMP; 256GB 960 EVO; RX 580 NITRO+ 8GB
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NicRock View Drop Down
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Points: 10 		Post Options Post Options   Thanks (0) Thanks(0)   Quote NicRock Quote  Post ReplyReply Direct Link To This Post Posted: 12 Jan 2018 at 12:11am
Hello to all. I have a ASRock motherboard called A320M-DGS. 
AMD Ryzen 5 1400 
Two banks of Corsair's RAM Vegeance LPX, identical model, DDR4-2400 (1200 Mhz). 

My system is good but my Windows 10 Pro 64-bit not recognize the second bank of RAM. 

The BIOS UEFI tells me 16 Giga of RAM, CPU-Z describe me 16 Giga of RAM, AIDA64 Extreme...8 GB di RAM...

Installed 16 Giga but 8.1 are reserved for hardware. 7.93 of RAM usable.

The motherboard is broken? The second module slot not working properly? 

Thanks in advance.

PS: And yes...i've used the msconfig option of memmax controller.

-Nicola
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