Linux 要如何查看系統硬體 的 詳細記憶體(RAM)資訊?
Linux 如何查看 系統硬體 的 詳細記憶體(RAM)資訊
在 Linux 要查詢記憶體大小, 可以用下述指令:
- free
- free -m
- cat /proc/meminfo
MemTotal: 8088504 kB
MemFree: 337408 kB
Buffers: 175136 kB
Cached: 6873848 kB
SwapCached: 0 kB
Active: 4396244 kB
Inactive: 3057212 kB
要查詢詳細的 RAM 規格, ex: DDR2、DDR3 .. 等, 可以用下述指令:
- sudo lshw
*-memory
description: System Memory
physical id: 22
slot: System board or motherboard
size: 8GiB
*-bank:0
description: DIMM DDR3 Synchronous 1333 MHz (0.8 ns)
product: 99U5403-034.A00G
vendor: Kingston
physical id: 0
serial: 483C2FE
slot: DIMM0
size: 4GiB
width: 64 bits
clock: 1333MHz (0.8ns) - dmidecode -t 17 # 等同 dmidecode --type memory、 dmidecode --type 17
# dmidecode 2.11
SMBIOS 2.6 present.Handle 0x0022, DMI type 16, 15 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 32 GB
Error Information Handle: No Error
Number Of Devices: 2Handle 0x0025, DMI type 17, 28 bytes
Memory Device
Array Handle: 0x0022
Error Information Handle: No Error
Total Width: 64 bits
Data Width: 64 bits
Size: 4096 MB
Form Factor: DIMM
Set: None
Locator: DIMM0
Bank Locator: BANK0
Type: DDR3
Type Detail: Synchronous
Speed: 1333 MHz
Manufacturer: Kingston
Serial Number: 483C2FE
Asset Tag: AssetTagNum0
Part Number: 99U5403-034.A00G
Rank: 2