PCI Express Mini Card

From Wikipedia, the free encyclopedia

PCI Express Mini Card is a replacement for the Mini PCI form factor based on PCI Express. It is developed by the PCI-SIG. The host device supports both PCI Express and USB 2.0 connectivity, and each card uses whichever the designer feels most appropriate to the task.

Contents 1 Form factors 2 Electrical Interface 3 Availability 4 External links

[edit] Form factors

PCI Express Mini Cards are 30 x 56 mm. There is a 52 pin edge connector. A half-length card is also specified 30 x 31.9 mm.

[edit] Electrical Interface

PCI Express Mini Card edge connector provide multiple connections and buses:

• PCI Express with 1 lane
• USB 2.0
• SMBus
• Diagnostics LEDs for wireless network (i.e. WiFi) status
• Subscriber Identity Module card for GSM and WCDMA applications
• Future extension for another PCIe lane
• 1.5 and 3.3 Volt power

[edit] Availability

Most newer laptop computers (after 2005) are based on PCI Express and can have as many as three or more slots for Mini Cards

[edit] External links

• PCI-SIG, the industry organization that maintains and develops the various PCI standards
• PCI Express Specifications and White Papers