Since an update Only half of my RAM is recognized by Manjaro. I have 16GB (8*gig x2) ram installed and recognized by BIOS.My windows partition also shows 16gigs.
My sudo lshw -C memory output
> *-firmware
> description: BIOS
> vendor: American Megatrends Inc.
> physical id: 0
> version: F20
> date: 01/31/2018
> size: 64KiB
> capacity: 16MiB
> capabilities: pci upgrade shadowing cdboot bootselect socketedrom edd int13floppy1200 int13floppy720 int13floppy2880 int5printscreen int14serial int17printer acpi usb biosbootspecification uefi
> *-memory
> description: System Memory
> physical id: 26
> slot: System board or motherboard
> size: 16GiB
> *-bank:0
> description: DIMM DDR4 Synchronous Unbuffered (Unregistered) 2133 MHz (0.5 ns)
> product: F4-3000C15-8GVRB
> vendor: Unknown
> physical id: 0
> serial: 00000000
> slot: DIMM 0
> size: 8GiB
> width: 64 bits
> clock: 2133MHz (0.5ns)
> *-bank:1
> description: [empty]
> product: Unknown
> vendor: Unknown
> physical id: 1
> serial: Unknown
> slot: DIMM 1
> *-bank:2
> description: DIMM DDR4 Synchronous Unbuffered (Unregistered) 2133 MHz (0.5 ns)
> product: F4-3000C16-8GVRB
> vendor: Unknown
> physical id: 2
> serial: 00000000
> slot: DIMM 0
> size: 8GiB
> width: 64 bits
> clock: 2133MHz (0.5ns)
> *-bank:3
> description: [empty]
> product: Unknown
> vendor: Unknown
> physical id: 3
> serial: Unknown
> slot: DIMM 1
> *-cache:0
> description: L1 cache
> physical id: 28
> slot: L1 - Cache
> size: 576KiB
> capacity: 576KiB
> clock: 1GHz (1.0ns)
> capabilities: pipeline-burst internal write-back unified
> configuration: level=1
> *-cache:1
> description: L2 cache
> physical id: 29
> slot: L2 - Cache
> size: 3MiB
> capacity: 3MiB
> clock: 1GHz (1.0ns)
> capabilities: pipeline-burst internal write-back unified
> configuration: level=2
> *-cache:2
> description: L3 cache
> physical id: 2a
> slot: L3 - Cache
> size: 16MiB
> capacity: 16MiB
> clock: 1GHz (1.0ns)
> capabilities: pipeline-burst internal write-back unified
> configuration: level=3
sudo dmidecode -t memory #
> Getting SMBIOS data from sysfs.
> SMBIOS 3.1.1 present.
>
> Handle 0x0026, DMI type 16, 23 bytes
> Physical Memory Array
> Location: System Board Or Motherboard
> Use: System Memory
> Error Correction Type: None
> Maximum Capacity: 64 GB
> Error Information Handle: 0x0025
> Number Of Devices: 4
>
> Handle 0x002D, DMI type 17, 40 bytes
> Memory Device
> Array Handle: 0x0026
> Error Information Handle: 0x002C
> Total Width: 64 bits
> Data Width: 64 bits
> Size: 8 GB
> Form Factor: DIMM
> Set: None
> Locator: DIMM 0
> Bank Locator: P0 CHANNEL A
> Type: DDR4
> Type Detail: Synchronous Unbuffered (Unregistered)
> Speed: 2133 MT/s
> Manufacturer: Unknown
> Serial Number: 00000000
> Asset Tag: Not Specified
> Part Number: F4-3000C15-8GVRB
> Rank: 1
> Configured Memory Speed: 2133 MT/s
> Minimum Voltage: 1.2 V
> Maximum Voltage: 1.2 V
> Configured Voltage: 1.2 V
>
> Handle 0x0030, DMI type 17, 40 bytes
> Memory Device
> Array Handle: 0x0026
> Error Information Handle: 0x002F
> Total Width: Unknown
> Data Width: Unknown
> Size: No Module Installed
> Form Factor: Unknown
> Set: None
> Locator: DIMM 1
> Bank Locator: P0 CHANNEL A
> Type: Unknown
> Type Detail: Unknown
> Speed: Unknown
> Manufacturer: Unknown
> Serial Number: Unknown
> Asset Tag: Not Specified
> Part Number: Unknown
> Rank: Unknown
> Configured Memory Speed: Unknown
> Minimum Voltage: Unknown
> Maximum Voltage: Unknown
> Configured Voltage: Unknown
>
> Handle 0x0032, DMI type 17, 40 bytes
> Memory Device
> Array Handle: 0x0026
> Error Information Handle: 0x0031
> Total Width: 64 bits
> Data Width: 64 bits
> Size: 8 GB
> Form Factor: DIMM
> Set: None
> Locator: DIMM 0
> Bank Locator: P0 CHANNEL B
> Type: DDR4
> Type Detail: Synchronous Unbuffered (Unregistered)
> Speed: 2133 MT/s
> Manufacturer: Unknown
> Serial Number: 00000000
> Asset Tag: Not Specified
> Part Number: F4-3000C16-8GVRB
> Rank: 2
> Configured Memory Speed: 2133 MT/s
> Minimum Voltage: 1.2 V
> Maximum Voltage: 1.2 V
> Configured Voltage: 1.2 V
>
> Handle 0x0035, DMI type 17, 40 bytes
> Memory Device
> Array Handle: 0x0026
> Error Information Handle: 0x0034
> Total Width: Unknown
> Data Width: Unknown
> Size: No Module Installed
> Form Factor: Unknown
> Set: None
> Locator: DIMM 1
> Bank Locator: P0 CHANNEL B
> Type: Unknown
> Type Detail: Unknown
> Speed: Unknown
> Manufacturer: Unknown
> Serial Number: Unknown
> Asset Tag: Not Specified
> Part Number: Unknown
> Rank: Unknown
> Configured Memory Speed: Unknown
> Minimum Voltage: Unknown
> Maximum Voltage: Unknown
> Configured Voltage: Unknown
Do i need to change the kernel or reinstall Manjaro
Welcome here, @hunter6399 ,
please, post
inxi -Fazy
Is it an option to place the second RAM module in the slot linked to bank 1?
1 Like
@Wollie I’ve not tried the other RAM slots on my Motherboard.I’ll try using Bank 1 and Bank 3.
System:
Kernel: 5.10.42-1-MANJARO x86_64 bits: 64 compiler: gcc v: 11.1.0
parameters: BOOT_IMAGE=/boot/vmlinuz-5.10-x86_64
root=UUID=53e42600-e173-48da-867a-1021e15b71ba rw quiet apparmor=1
security=apparmor resume=UUID=0c8ded86-97d5-4501-8da9-58ac0755be26
udev.log_priority=3
Desktop: Xfce 4.16.0 tk: Gtk 3.24.29 info: xfce4-panel wm: xfwm4 vt: 7
dm: LightDM 1.30.0 Distro: Manjaro Linux base: Arch Linux
Machine:
Type: Desktop System: Gigabyte product: AX370M-Gaming 3 v: N/A
serial: <filter>
Mobo: Gigabyte model: AX370M-Gaming 3-CF v: x.x serial: <filter>
UEFI: American Megatrends v: F20 date: 01/31/2018
CPU:
Info: 6-Core model: AMD Ryzen 5 1600 bits: 64 type: MT MCP arch: Zen
family: 17 (23) model-id: 1 stepping: 1 microcode: 8001129 cache: L2: 3 MiB
flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm
bogomips: 76674
Speed: 1375 MHz min/max: 1550/3200 MHz boost: enabled Core speeds (MHz):
1: 1375 2: 1372 3: 1321 4: 1371 5: 1373 6: 1442 7: 1375 8: 1372 9: 1386
10: 1493 11: 1370 12: 1274
Vulnerabilities: Type: itlb_multihit status: Not affected
Type: l1tf status: Not affected
Type: mds status: Not affected
Type: meltdown status: Not affected
Type: spec_store_bypass
mitigation: Speculative Store Bypass disabled via prctl and seccomp
Type: spectre_v1
mitigation: usercopy/swapgs barriers and __user pointer sanitization
Type: spectre_v2
mitigation: Full AMD retpoline, STIBP: disabled, RSB filling
Type: srbds status: Not affected
Type: tsx_async_abort status: Not affected
Graphics:
Device-1: NVIDIA GP104 [GeForce GTX 1070 Ti] driver: nvidia v: 465.31
alternate: nouveau,nvidia_drm bus-ID: 08:00.0 chip-ID: 10de:1b82
class-ID: 0300
Display: x11 server: X.Org 1.20.11 driver: loaded: nvidia display-ID: :0.0
screens: 1
Screen-1: 0 s-res: 3840x1080 s-dpi: 92 s-size: 1060x301mm (41.7x11.9")
s-diag: 1102mm (43.4")
Monitor-1: HDMI-0 res: 1920x1080 hz: 60 dpi: 93 size: 527x296mm (20.7x11.7")
diag: 604mm (23.8")
Monitor-2: DP-1 res: 1920x1080 hz: 60 dpi: 93 size: 527x296mm (20.7x11.7")
diag: 604mm (23.8")
OpenGL: renderer: NVIDIA GeForce GTX 1070 Ti/PCIe/SSE2
v: 4.6.0 NVIDIA 465.31 direct render: Yes
Audio:
Device-1: NVIDIA GP104 High Definition Audio driver: snd_hda_intel v: kernel
bus-ID: 08:00.1 chip-ID: 10de:10f0 class-ID: 0403
Device-2: AMD Family 17h HD Audio vendor: Gigabyte driver: snd_hda_intel
v: kernel bus-ID: 0a:00.3 chip-ID: 1022:1457 class-ID: 0403
Sound Server-1: ALSA v: k5.10.42-1-MANJARO running: yes
Sound Server-2: JACK v: 0.125.0 running: no
Sound Server-3: PulseAudio v: 14.2 running: yes
Sound Server-4: PipeWire v: 0.3.30 running: no
Network:
Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet
vendor: Gigabyte driver: r8168 v: 8.048.03-NAPI modules: r8169 port: f000
bus-ID: 03:00.0 chip-ID: 10ec:8168 class-ID: 0200
IF: enp3s0 state: up speed: 100 Mbps duplex: full mac: <filter>
IF-ID-1: docker0 state: down mac: <filter>
Bluetooth:
Device-1: Cambridge Silicon Radio Bluetooth Dongle (HCI mode) type: USB
driver: btusb v: 0.8 bus-ID: 1-13:3 chip-ID: 0a12:0001 class-ID: e001
Report: rfkill ID: hci0 rfk-id: 0 state: up address: see --recommends
Drives:
Local Storage: total: 1.13 TiB used: 71.94 GiB (6.2%)
SMART Message: Required tool smartctl not installed. Check --recommends
ID-1: /dev/sda maj-min: 8:0 vendor: Crucial model: CT120BX500SSD1
size: 111.79 GiB block-size: physical: 512 B logical: 512 B speed: 6.0 Gb/s
rotation: SSD serial: <filter> rev: R013 scheme: GPT
ID-2: /dev/sdb maj-min: 8:16 vendor: SanDisk model: SDSSDA120G
size: 111.79 GiB block-size: physical: 512 B logical: 512 B speed: 6.0 Gb/s
rotation: SSD serial: <filter> rev: 30RL scheme: GPT
ID-3: /dev/sdc maj-min: 8:32 vendor: Seagate model: ST1000DM010-2EP102
size: 931.51 GiB block-size: physical: 4096 B logical: 512 B speed: 6.0 Gb/s
rotation: 7200 rpm serial: <filter> rev: CC43 scheme: MBR
Partition:
ID-1: / raw-size: 102.69 GiB size: 100.58 GiB (97.94%)
used: 71.94 GiB (71.5%) fs: ext4 dev: /dev/sda2 maj-min: 8:2
ID-2: /boot/efi raw-size: 300 MiB size: 299.4 MiB (99.80%)
used: 312 KiB (0.1%) fs: vfat dev: /dev/sda1 maj-min: 8:1
Swap:
Kernel: swappiness: 10 (default 60) cache-pressure: 100 (default)
ID-1: swap-1 type: partition size: 8.8 GiB used: 0 KiB (0.0%) priority: -2
dev: /dev/sda3 maj-min: 8:3
Sensors:
System Temperatures: cpu: 50.0 C mobo: 0 C gpu: nvidia temp: 53 C
Fan Speeds (RPM): N/A gpu: nvidia fan: 5%
Info:
Processes: 359 Uptime: 1h 28m wakeups: 0 Memory: 7.79 GiB
used: 3.97 GiB (51.0%) Init: systemd v: 248 tool: systemctl Compilers:
gcc: 11.1.0 Packages: 1359 pacman: 1337 lib: 383 flatpak: 0 snap: 22
Shell: Bash v: 5.1.8 running-in: xfce4-terminal inxi: 3.3.04
Have you run memtest?
Have the two modules the same part number?
Have you tried to use different slots, as mentioned already?
Have you checked all firmware options linked to your RAM?
Please, provide output of
sudo inxi -mxx
No i have not tried a memtest.
No both modules have different part numbers , but they have the same speed (2133MHz) .
Yes tried using Bank 1 and Bank 3. Still 8gb.
No i don’t think this has something to do with the firmware because before the June 2021 it recognized all 16GB in manjaro.
Memory:
RAM: total: 7.79 GiB used: 2.85 GiB (36.7%)
Array-1: capacity: 64 GiB slots: 4 EC: None max-module-size: 16 GiB
note: est.
Device-1: DIMM 0 size: No Module Installed
Device-2: DIMM 1 size: 8 GiB speed: 2133 MT/s type: DDR4
manufacturer: G.Skill part-no: F4-3000C15-8GVRB
Device-3: DIMM 0 size: No Module Installed
Device-4: DIMM 1 size: 8 GiB speed: 2133 MT/s type: DDR4
manufacturer: G.Skill part-no: F4-3000C16-8GVRB
omano
10 July 2021 08:03
6
You say if you boot to Windows right now it detects and use all your RAM?
What happens if you try each stick of RAM independently and in different ports? Same behavior (in Manjaro or Windows)?
Last time I saw exact same thread Second RAM module is recognized but not being used - #10 by arshadpakkali the end result was one module was defective. So go ahead try them one by one, on different OS and slot.
1 Like
Then please do it.
Probably no issue, then.
I would try to use only one module, see if it works, then try the other one. If they both work when used alone, I would continue to use them on different slots, cleaning the contacts might be a good idea as well. Be aware, sometimes the system boots up even when a memory module is broken. Afterwards, please report the results.
What I also saw is, that there are firmware updates available, it would be advisable to update your firmware, e.g. using Hiren’s BootCD .
1 Like
Well, I Tried memtest and it only detected 8GB .
I also tried booting with only one of the RAM stick and was able to isolate what’s causing the problem. The older module is dead. The Gskill ram modules come with a lifetime warranty and I’m hoping to get it replaced.
Thanks for the help guys. @Wollie @omano
1 Like
I just marked the thread as solved based on the above.
For future threads, you can mark them as solved yourself by clicking on the “hamburger” menu at the bottom of the post. The solution option is hidden there. Thanks.
1 Like
system
Closed
16 August 2021 15:05
10
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