RAM & BIOS

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   Hello 
The bios detects 16 GB of Ram (2 slots 2x8 GB) but windows only sees 7.93 GB of ram. I changed the motherboard twice and the problem persists. I also changed RAM and the problem persists. I also did manipulations on windows very known for this problem but the problem persists... So: the PC boots with just 8 GB of ram with the A1 slot ok. The PC boots with A1 (8Go)+ B1 (8 Go) ok but 8 Go in windows. The PC does NOT boot with only slot B1 ....impossible. Is there an option in the bios to enable 2 memory sticks in windows? Thanks.

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xergio Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 13 Jul 2022 Status: Offline Points: 35	Post Options Post Reply Quote xergio Report Post Thanks(0) Quote Reply Topic: RAM & BIOS Posted: 13 Jul 2022 at 6:12am
	Hello The bios detects 16 GB of Ram (2 slots 2x8 GB) but windows only sees 7.93 GB of ram. I changed the motherboard twice and the problem persists. I also changed RAM and the problem persists. I also did manipulations on windows very known for this problem but the problem persists... So: the PC boots with just 8 GB of ram with the A1 slot ok. The PC boots with A1 (8Go)+ B1 (8 Go) ok but 8 Go in windows. The PC does NOT boot with only slot B1 ....impossible. Is there an option in the bios to enable 2 memory sticks in windows? Thanks.

xergio Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 13 Jul 2022 Status: Offline Points: 35	Post Options Post Reply Quote xergio Report Post Thanks(0) Quote Reply Posted: 13 Jul 2022 at 6:33am
	Windows 10 64 bits Asrock fatal1ty b450 gaming-itx_ac (with last Bios) Ryzen 2600x G.Skill F4-3200C14D-16GFX (compatible AMD & Motherboard : https://www.gskill.com/qvl/165/170/1535961634/F4-3200C14D-16GFX-QVL)

cx5 Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 15 Sep 2017 Location: Hong Kong Status: Offline Points: 2398	Post Options Post Reply Quote cx5 Report Post Thanks(0) Quote Reply Posted: 15 Jul 2022 at 9:25am
	Read the manual, must be in A2 B2 slots.
	x370taichi@3.50gen4 AX750 Optane900P SN770 3800x PosdonZro4 BarrowPWM-17w>420x140x28 XFX SWFT319 6900XT MSI RX560 LP to get Fluid Motion BlueskyFRC 75hz

Konci Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 02 May 2020 Location: Hungary Status: Offline Points: 43	Post Options Post Reply Quote Konci Report Post Thanks(0) Quote Reply Posted: 15 Jul 2022 at 1:46pm
	LOL There are only 2 slots... Read first you...

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 25953	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 15 Jul 2022 at 1:59pm
	Could be a faulty CPU, the memory controller is on the CPU and has 2 channels, one for each bank (A and B). If your B1 slot won't allow you to boot when you only have RAM in that slot then it is likely that one of the channels on your CPU is dead. You can remove your CPU and check for missing/bent pins, this can cause the issue you are experiencing. If there are no missing or bent pins then it is likely that the CPU's IMC (integrated memory controller) is faulty.