笔记本电脑pci接口有吗

2025-04-05 08:12:05
推荐回答(1个)
回答1:

有的。
笔记本PCI express卡插槽是一个万能扩展端口,也称PC卡插槽,是一个即插即用的端口。

1、PC卡插槽相当于台式机的PCI插槽,不同之处在于PC卡插槽是即插即用的,允许在操作系统运行中停止PC卡设备,与PC卡插槽配合的扩展卡称为PC卡,按照外形来分有Type I/II/III三种,3者的长宽度均为85.6×54mm,区别在于厚度,TypeI是3.3mm,Type II 是5.0mm;Type III是 10.5mm,它们的接口是完全相同的,都是68针,因此只要PC卡插槽的厚度允许,三种规格的卡都可以通用。

ExpressCard与PC卡的不同:
  虽然ExpressCard技术借用了现有PC卡技术中的许多特性,但前者在外型尺寸、性能、可靠性、适应性、热插拔和自动设置等多种特性之间达到了更理想的平衡。
ExpressCard标准与PC卡之间有诸多不同之处:
尺寸。ExpressCard模块在物理尺寸上约为PC卡的一半大小,同时重量也更轻。
2. 传输速度。ExpressCard模块采用的是优于PC卡PCI并行总线接口的串行数据接口,其在减少界面所需信号数目的同时提高了总线数据传送的速度。
3. 成本。就其系统和机械设计方式, ExpressCard技术拥有更低的制造成本。
4. 更省电。ExpressCard模块的功耗将比传统的PC卡更低。
5. 易用性。由于省去了打开机箱的麻烦,ExpressCard模块使得为台式机安装新组件更为简便。而且使笔记本电脑与台式机之间能通过热插拔方式方便地交换外设。

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