Laptop motherboards are circuit boards containing slots and sockets for other components in a laptop. These include slots for hard disks, expansion cards, processors, and CPU power, and headers for peripheral connections such as USB and FireWire. In most models, expansion slots follow the Personal Computer Memory Card International Association (PCMCIA) standard, basically a credit card-sized version of the larger Peripheral Component Interconnect (PCI) cards used in desktops. Laptop motherboards are usually specific to each model and are not as easy to upgrade as desktop motherboards.
Types of Laptop Motherboards
Kinds of Laptop Motherboards include the following:
These laptop motherboards respond to commands at regular clock intervals, waiting a full rise and fall before transferring data.
This tends to cause latency in the memory chip, which slows down processing and may cause data loss.
Double data rate (DDR)-SDRAM laptop motherboards
These laptop motherboards transmit data at both the rising and falling edges of the clock signal.
They process data at twice the rate of SDRAm systems, and are less prone to latency and data loss.
Choosing Laptop Motherboards (Buying tips)
Card slots: Make sure your laptop motherboard has enough slots for your expansion and add-on cards. Check the capacity of the PCMCIA slots if you have several bus-based components. Consider getting a motherboard with integrated sound and video to free up rack space.
Maximum processor speed: Choose a laptop motherboard with a high processor speed allowance. This is usually indicated on the board's package. Look for a motherboard/processor combo to save installation time.
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