【翻译自mos文章】怎么检查服务器主板BIOS支持的最大内存大小?

怎么检查服务器主板BIOS支持的最大内存大小?
来源于:
How to check Maximum Supported Memory by Motherboard Bios (文档 ID 1680534.1)

适用于:
Linux OS - Version Oracle Linux 5.0 to Oracle Linux 6.5 [Release OL5 to Ol6U5]
Linux x86-64
Linux x86


目标:
获得服务器主板BIOS支持的最大内存大小

解决方案:
简单的dmidecode 查询会得到这个值

# dmidecode -t 16

SMBIOS 2.7 present.

Handle 0x0041, DMI type 16, 23 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 32 GB
Error Information Handle: Not Provided
Number Of Devices: 4

因此,上面例子中,服务器主板的BIOS可以最多容纳32GB内存

如果有超过32GB的内存被安装在了主板上,操作系统还是会发现最大32GB内存。

 

译者注:我的虚拟机的查询结果如下:

[root@rhel63single ~]# dmidecode -t 16
# dmidecode 2.11
SMBIOS 2.4 present.

Handle 0x00E2, DMI type 16, 15 bytes
Physical Memory Array
	Location: System Board Or Motherboard
	Use: System Memory
	Error Correction Type: None
	Maximum Capacity: 1 TB
	Error Information Handle: Not Provided
	Number Of Devices: 64

[root@rhel63single ~]# uname -r
2.6.32-279.el6.x86_64
[root@rhel63single ~]# uname -a
Linux rhel63single 2.6.32-279.el6.x86_64 #1 SMP Wed Jun 13 18:24:36 EDT 2012 x86_64 x86_64 x86_64 GNU/Linux
[root@rhel63single ~]# 


 

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