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A+ Essentials 220-901  

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2.0 Laptop and Portable Devices

2.1 Identify the fundamental principles of using laptops and portable devices

  • Identify names, purposes and characteristics of laptop-specific:

    • Ports (e.g. mini PCI slot)

Mini PCI is a standard for a computer bus for attaching peripheral devices to a computer system bus, similar to Peripheral Component Interconnect (PCI) bus in a desktop computer. It was specifically designed for laptops and other portable devices. Specific details of connector type and respective sizes are as given below:

 

Type

Connector

Size

IA

100-Pin Stacking

7.5 70 45 mm

IB

100-Pin Stacking

5.5 70 45 mm

IIA

100-Pin Stacking

7.5 70 45 mm

IIB

100-Pin Stacking

17.44 78 45 mm

IIIA

124-Pin Card Edge

2.4 59.6 50.95 mm

IIIB

124-Pin Card Edge

2.4 59.6 44.6 mm

The standard size for Mini PCI cards is approximately 1/4 of their full-sized counterparts. Unlike PCI cards, Mini PCI cards are generally limited in the functions they may perform. Mini PCI cards have a 2W maximum power consumption, which also limits the functionality that can be implemented in this form factor. 

Available mini PCI devices include WiFi, modems, sound cards, SCSI, IDE/ATA and SATA controllers. You can use regular PCI cards with your Mini PCI-equipped hardware and vice-versa, using Mini PCI-to-PCI and PCI-to-Mini PCI adapters.
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