Sonnet Announces New Top End Dual Processor Upgrade

IRVINE, CALIFORNIA–December 15, 2005–Sonnet Technologies, a worldwide
leader in upgrades for Apple Macintosh computers and iPod digital music
players, announces the immediate availability of its new top-of-the-line
dual processor upgrade–the Encore/ST G4 Duet 1.7 GHz–for most “Sawtooth”
Power Mac G4 systems, including AGP Graphics, Gigabit Ethernet, Digital
Audio and QuickSilver models. This product represents a new high point in
performance and value in Sonnet’s most popular line of processor upgrades;
it is priced the same as the 1.3 GHz dual processor upgrade it replaces.

This upgrade, based on the latest and fastest PowerPC G4 7447A processors
(used in Apple’s current PowerBook line) from Freescale Semiconductor,
features 512K of SRAM on-chip L2 cache and is compatible with Mac OS 9.2,
and Mac OS X Version 10.3.5 and higher. All Encore/ST G4 upgrades for Power
Mac G4 tower computers include a factory-attached heat sink and fit
seamlessly into all supported systems. Like all Sonnet processor upgrades,
this new Encore/ST G4 Duet model carries a three-year warranty and includes
free technical support.

The Encore/ST G4 Duet 1.7 GHz (Part No. SG4D-1700) is available now with an
MSRP of USD $599.95.

For more information on the Encore/ST G4 Duet 1.7 GHz model, please visit
the Sonnet web site at:

Sonnet also offers a full line of single processor Encore/ST G4 upgrades
running at speeds up to 1.8 GHz. For more information, please visit the
Sonnet web site at:

The Encore/ST G4 Duet 1.7 GHz (Part No. SG4D-1700) is compatible with the
following Power Mac G4 models:
– Power Mac G4 (AGP Graphics)*
– Power Mac G4 (Gigabit Ethernet)
– Power Mac G4 (Digital Audio)
– Power Mac G4 (QuickSilver)

*Some AGP Graphics systems will not support the Encore/ST G4 Duet. For
complete details, please visit the web site at:

Mac OS Requirements and Compatibility
The Encore/ST G4 Duet 1.7 GHz requires Mac OS 9.2 for software installation
and firmware updating. Mac OS X compatibility requires Mac OS X Version
10.3.5 or later.

About Sonnet Technologies, Inc.
Sonnet Technologies, Inc., headquartered in Irvine, California, is a
worldwide leader in processor upgrade cards, Serial ATA storage solutions,
premium FM transmitters, and other enhancement products for Apple Macintosh
computers and iPod digital music players. 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
most Macintosh models. To locate an authorized reseller or purchase
product, visit the Sonnet Technologies web site at
(, or call the company at 1-949-587-3500.