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Two antennas are built into the computer’s case. To improve reception, a diversity module between the
antennas and the card measures the signal strength from both antennas and selects the stronger signal for
AirPort Extreme.
AirPort Extreme is based on the IEEE draft specification of the 802.11g standard. The card transmits and
receives data at up to 54 Mbps and is compatible with 802.11b-standard 11 Mbps systems and older
802.11b-standard systems. For information about its operation, see “AirPort Extreme” (page 31).
CardBus Controller IC
The interface to the PC Card slot is connected to the PCI bus. The CardBus controller IC is a PCI1510A device
made by Texas Instruments. It supports both 16-bit PC Cards and 32-bit CardBus Cards.
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I/O Controller
Legacy Document | 2003-03-01 | © 2003 Apple Computer, Inc. All Rights Reserved.
CHAPTER 2
Architecture