Linux Check Free Memory Slots

  1. How To Check Free Memory Slots In Windows
  2. Linux Check Free Memory Slots Vegas World
  3. How To Check Free Memory Slots In Windows 7

Updated: January 1, 2020 Home » Freeware and Software Reviews

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If your computer crashes after installing a new set of RAMs, there are few possibilities. The first possibility is likely a faulty RAM, the second possibility is hardware compatibility. More often than not if it is compatibility due to overspec or underspec, your system would not boot up and will make a beeping sound.

Alternative 2020 Article ➤ 7 RAMDisk vs SSD – Ten Times Faster Read and Write Speed via RAM Virtual Disk

Ffaulty RAMs are pretty rare, almost unlikely if you bought a branded RAM such as Kingston, Samsung, Corsair, Apache and etc, this is because they performed many tests before distributing them to dealers. Based on my experience, here are some possibilities:

Linux Check Free Memory Slots
  • Defective RAM ( Use both Windows Memory Diagnostics and Memtest86 to perform a deep scan, run twice to confirm, if both tests show the RAM is in good condition, then it is most definitely another issues. )
  • Outdated Motherboard BIOS ( Update your Motherboard BIOS if it is outdated )
  • Outdated drivers and chip-sets ( Update your drivers and chipsets )
  • Overheating of RAM ( Use a table fan to test this )
  • Faulty RAM slot ( Swap RAM between slots to see if problem continues )
  • Incompatibility with your other hardware such as Asus NVidia GTX 970 Graphic Card. ( I’ve upgraded my RAM to 32GB from 16GB for my Dell XPS 8700, unfortunately, the solution to limit the RAM in Windows as shown in Reddit doesn’t work for me. Read more – GTX 970 unstable on system with 32 GB RAM or 64 GB RAM )

After much trial and error, swapping graphic cards and RAMs. I’ve discovered that my Asus Strix GTX 970 is unstable when my Dell XPS 8700 has a 32GB Kingston HyperX Fury or 24GB Kingston + Samsung RAM. It runs without problem when my system has both my old (4x4GB Samsung) and new (2x8GB Kingston) 16GB RAM installed, and with no problem when it is 32GB with my older GTX 745 graphic card. This is a very old issue, Nvidia appears to be dragging their feet or this is exclusively an Asus GTX970 problem.

↓ 01 – Windows Memory Diagnostics Tool 17 Tests Windows

This Window memory Diagnostics Tool is the the Pre-installed memory testing software available in Microsoft Windows Vista, Window 7, windows 8 or 8.1 & windows 10. The Memory Diagnostics Tool will run automatically when you restart Windows. It might take several minutes for the tool to finish checking your computer’s memory. Once the test is completed, Windows will restart automatically. If the tool detects errors, you should contact your computer manufacturer for information about fixing them, since memory errors usually indicate a problem with the memory chips in your computer or other hardware problem. Type “Mdsched” and search for the tool.

↓ 02 – Passmark MemTest86 13 Tests Windows Mac Linux

MemTest86 is the original, free, stand alone memory testing software for x86 computers. MemTest86 boots from a USB flash drive or CD and tests the RAM in your computer for faults using a series of comprehensive algorithms and test patterns. The latest version of MemTest86 supports all the current technologies, including:

  • DDR4 RAM (and DDR2 & DDR3) support
  • XMP – high performance memory profiles
  • UEFI – The new graphical standard for BIOS
  • 64bit – From version 5, MemTest86 is native 64bit code
  • ECC RAM – support for error-correcting code RAM
  • Secure boot – With MemTest86 being code signed by Microsoft
  • Graphical interface, mouse support and logging of results to disk
  • Self booting off USB or CD, without needing DOS, Linux nor Windows
  • Dual booting – Will boot to V4 in BIOS and V6 in UEFI from a single flash drive

↓ 03 – Rember Unknown Tests Mac

Rember is a front-end GUI to the ‘memtest’ command line memory testing program. This application will allow the user to select the number of test loops, as well as the amount of memory to test. There is a ‘Log’ tab that will allow the user to monitor memory testing. The user can toggle a ‘verbose’ switch to limit the amount of output, and can also choose to quit Finder and other applications.

Defective memory can cause computers to malfunction, crash, and behave in a variety of ways which can sometimes baffle end users and computer technicians alike. Apple provides hardware test CDs with most of their products, and there are some third-party utilties for Mac OS X which perform memory testing. In my experience, these tools have not always been able to quickly and efficiently diagnose memory problems. Rember has been designed to simplify the testing, and diagnosis of these problems.

↓ 04 – Apple Diagnostics (Apple Hardware Test) Mac

Apple Diagnostics is a great way to check your Mac computer’s hardware. Apple Diagnostics helps to identify the potential source of a hardware issue and provides first steps to try and resolve it. Apple Diagnostics will also help you get in touch with Apple Support for further assistance.

How To Check Free Memory Slots In Windows

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Finding RAM size details in Linux for a System admin is very easy task. We can use free command to check how much RAM is present in our system. But when you want to find how many RAM/Memory sa lots are present in your system is bit tricky one. One way to do open your system and check what sa lots are there and how much RAM. Instead of doing this as a Hardware engineer we can use a command to check which sa lot is having below details.

  • How much RAM
  • Speed of the RAM
  • Maximum RAM supported by that machine
  • RAM location etc.

As you are already aware of dmidecode command to get all the system hardware info. We will use the same command for getting our RAM details.

To Find RAM details like maximum RAM, location of RAM etc we can use -t option with dmidecode as shown below

dmidecode -t 16

Output:

# dmidecode 2.11
SMBIOS 2.7 present.

Handle 0x000F, DMI type 16, 23 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 16 GB
Error Information Handle: No Error
Number Of Devices: 2

If you see the above output we can figure it out how much maximum RAM this machine support, number of RAM devices and location etc.

To get actual RAM details such as how many sa lots, actual RAM present etc, use -t 17 option in dmidecode command

dmidecode -t 17

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Output:

# dmidecode 2.11
SMBIOS 2.7 present.

Handle 0x0010, DMI type 17, 34 bytes
Memory Device
Array Handle: 0x000F
Error Information Handle: 0x0011
Total Width: 64 bit’s
Data Width: 64 bit’s
Size: 4096 MB
Form Factor: SODIMM
Set: None
Locator: DIMM0
Bank Locator: BANK 0
Type: DDR3
Type Detail: Synchronous
Speed: 1333 MHz
Manufacturer: Kingston
Serial Number: 4B29A74B
Asset Tag: 0123456789
Part Number: 99U5428-046.A00LF
Rank: Unknown
Configured Clock Speed: 1333 MHz

Handle 0x0013, DMI type 17, 34 bytes
Memory Device
Array Handle: 0x000F
Error Information Handle: 0x0014
Total Width: 64 bit’s
Data Width: 64 bit’s
Size: 4096 MB
Form Factor: SODIMM
Set: None
Locator: DIMM1
Bank Locator: BANK 2
Type: DDR3
Type Detail: Synchronous
Speed: 1333 MHz
Manufacturer: Kingston
Serial Number: 4729BF4B
Asset Tag: 0123456789
Part Number: 99U5428-046.A00LF
Rank: Unknown
Configured Clock Speed: 1333 MHz

If we want to see complete RAM details we can use -t memory option to get the details. Note this is a combination of 16 and 17 options

dmidecode -t memory

Output:

# dmidecode 2.11
SMBIOS 2.7 present.

Handle 0x000F, DMI type 16, 23 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 16 GB
Error Information Handle: No Error
Number Of Devices: 2

Handle 0x0010, DMI type 17, 34 bytes
Memory Device
Array Handle: 0x000F
Error Information Handle: 0x0011
Total Width: 64 bit’s
Data Width: 64 bit’s
Size: 4096 MB
Form Factor: SODIMM
Set: None
Locator: DIMM0
Bank Locator: BANK 0
Type: DDR3
Type Detail: Synchronous
Speed: 1333 MHz
Manufacturer: Kingston
Serial Number: 4B29A74B
Asset Tag: 0123456789
Part Number: 99U5428-046.A00LF
Rank: Unknown
Configured Clock Speed: 1333 MHz

Handle 0x0013, DMI type 17, 34 bytes
Memory Device
Array Handle: 0x000F
Error Information Handle: 0x0014
Total Width: 64 bit’s
Data Width: 64 bit’s
Size: 4096 MB
Form Factor: SODIMM
Set: None
Locator: DIMM1
Bank Locator: BANK 2
Type: DDR3
Type Detail: Synchronous
Speed: 1333 MHz
Manufacturer: Kingston
Serial Number: 4729BF4B
Asset Tag: 0123456789
Part Number: 99U5428-046.A00LF
Rank: Unknown
Configured Clock Speed: 1333 MHz

Some of the valid keywords/types you can use and find different details are as follows.

bios

system

baseboard
chassis
processor
memory
cache
connector
sa lot

We can even use lshw command to get RAM/Memory details as well Cache details such as L1, L2 and L3 levels.

lshw -class memory

Linux Check Free Memory Slots

*-firmware
description: BIOS
vendor: Hewlett-Packard
physical id: 0
version: F.22
date: 07/27/2011
size: 1MiB
capacity: 2496KiB
capabilities: pci upgrade shadowing cdboot bootselect edd int13floppynec int13floppytoshiba int13floppy360 int13floppy1200 int13floppy720 int13floppy2880 int9keyboard int10video acpi usb biosbootspecification uefi
*-memory
description: System Memory
physical id: f
sa lot: System board or motherboard
size: 8GiB
*-bank:0
description: SODIMM DDR3 Synchronous 1333 MHz (0.8 ns)
product: 99U5428-046.A00LF
vendor: Kingston
physical id: 0
serial: 4B29A74B
sa lot: DIMM0
size: 4GiB
width: 64 bit’s
clock: 1333MHz (0.8ns)
*-bank:1
description: SODIMM DDR3 Synchronous 1333 MHz (0.8 ns)
product: 99U5428-046.A00LF
vendor: Kingston
physical id: 1
serial: 4729BF4B
sa lot: DIMM1
size: 4GiB
width: 64 bit’s
clock: 1333MHz (0.8ns)
*-cache:0
description: L1 cache
physical id: 1c
sa lot: L1 Cache
size: 32KiB
capacity: 32KiB
capabilities: synchronous internal write-through instruction
*-cache:1
description: L2 cache
physical id: 1d
sa lot: L2 Cache
size: 256KiB
capacity: 256KiB
capabilities: synchronous internal write-through unified
*-cache:2
description: L3 cache
physical id: 1e
sa lot: L3 Cache
size: 3MiB
capacity: 3MiB
capabilities: synchronous internal write-through unified
*-cache
description: L1 cache
physical id: 1b
sa lot: L1 Cache
size: 32KiB
capacity: 32KiB
capabilities: synchronous internal write-through data

How To Check Free Memory Slots In Windows 7

Do let us know if there is any way to find RAM sa lot details.

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Mr Surendra Anne is from Vijayawada, Andhra Pradesh, India. He is a Linux/Open source supporter who believes in Hard work, A down to earth person, Likes to share knowledge with others, Loves dogs, Likes photography. He works as Devops Engineer with Taggle systems, an IOT automatic water metering company, Sydney . You can contact him at surendra (@) linuxnix dot com.
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