IRVINE, California =97 March 15, 2002. Sonnet Technologies, the worldwide
market share leader in processor upgrade cards for Apple Macintosh=AE
computers, announces the Crescendo/PB G3 466-1M, Sonnet=92s fastest upgrade
yet for the PowerBook 1400, and the latest addition to its product line of
Crescendo processor upgrade cards. This upgrade offers a powerful 466MHz
PowerPC G3 processor with 1MB Level 2 backside cache, which produces an
impressive 11x increase in performance over a 117 MHz stock machine that
used a 603e processor. The Crescendo/PB is compatible with the PowerBook=92s
existing hardware, software, RAM and peripherals. It transparently
integrates with your system software, and performs flawlessly with Mac OS
7.5.3, through OS 9.1.

Availability and Pricing
Crescendo/PB G3 466-1M is shipping now and has an estimated street price of
$299.95. This new product replaces the Crescendo/PB G3 400-1M at the same

About Sonnet Technologies, Inc.
Sonnet Technologies, Inc., headquartered in Irvine, California, is the
worldwide market share leader in processor upgrade cards, ATA disk
controller cards, and other enhancement products for Apple Macintosh
computers. After Apple Computer, Inc., Sonnet is the largest producer of
PowerPC processor-based products in the computer industry. Founded in 1986,
Sonnet offers processor upgrades for more Macintosh models than any other
company. To locate an authorized reseller or purchase product, visit the
Sonnet Technologies web site at (, or call the
company at 1-949-587-3500.