Warning: Use of undefined constant title - assumed 'title' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 152 uefi是什么意思?
- 分类:win8 发布时间: Warning: Use of undefined constant newstime - assumed 'newstime' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 156 2016年11月17日 22:00:01
最近就有用户问小编uefi是什么意思?其实uefi的意思全称“统一的可扩展固件接口”(Unified Extensible Firmware Interface), 是一种详细描述类型接口的标准。这种接口用于操作系统自动从预启动的操作环境,加载到一种操作系统上。下面小编就为大家详细的介绍一下uefi是什么意思及UEFI启动对比Bios启动的优势吧。
uefi是什么意思图1
uefi是什么意思
UEFI是BIOS更高级的一个BOIS,因此分为UEFI和BOIS,UEFI只支持预装的系统,如果你用别的系统装,是不支持的笔记本主板BIOS分两种:第一种标准的BIOS,另外一种是具备UEFI功能的BIOS。具备UEFI功能的主板预装了系统激活信息,有且仅可支持预装版本的系统激活,如果安装其它版本的系统的情况必须关闭UEFI功能来安装其它版本的系统,且需要要保持UEFI功能的关闭状态。因此,你在认识上有存在比较大的误区的,不是无法开启UEFI选择USB安装新的系统,是开启UEFI的状态你是无法选择USB安装新的系统的。通常在UEFI模式下也没有什么启动项之说,没有什么可选的,预装的信息都已经编辑的UEFI中了,主板启动就按照UEFI信息的内容进行启动。
UEFI启动对比Bios启动的优势
1,安全性更强
UEFI启动需要一个独立的分区,它将系统启动文件和操作系统本身隔离,可以更好的保护系统的启动。即使系统启动出错需要重新配置,我们只要简单对启动分区重新进行配置即可。而且,对于win8系统,它利用UEFI安全启动以及固件中存储的证书与平台固件之间创建一个信任源,可以确保在加载操作系统之前,近能够执行已签名并获得认证的“已知安全”代码和启动加载程序,可以防止用户在根路径中执行恶意代码。
uefi是什么意思图2
UEFI BIOS板卡兼容列表
2,启动配置更灵活
EFI启动和GRUB启动类似,在启动的时候可以调用EFIShell,在此可以加载指定硬件驱动,选择启动文件。比如默认启动失败,在EFIShell加载U盘上的启动文件继续启动系统。
3,支持容量更大
传统的BIOS启动由于MBR的限制,默认是无法引导超过2.1TB以上的硬盘的。随着硬盘价格的不断走低,2.1TB以上的硬盘会逐渐普及,因此UEFI启动也是今后主流的启动方式。
好了,关于UEFI启动对比Bios启动的优势到这里就全部结束了,其实uefi的意思也是非常的简单的,相信大家对uefi的意思都有一定的了解了吧,好了,如果大家还想了解更多的资讯敬请关注装机吧官网吧。拓展阅读:U盘装系统教程。
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