The Tempo SATA Pro Express 34 Card from Sonnet Technologies, billed as the world's leading Macintosh hardware upgrade company, has not been affected by a recent Apple firmware update which has caused problems for some MacBook Pro users.
A M Micro, a specialist distributor that works with resellers, mail order channels and major retailers asked Macworld to clarify known issues with the most recent Apple firmware update, assisted by Michael Bean of the Arizona Macintosh Users Group (AMUG).
This latest 1.6 Firmware update broke any Express 34 SATA cards using the Silicon Image chip set, A M Micro explained.
"The MacBook Pro EFI Firmware Update 1.6 kills write performance on ExpressCard SATA adapters using the Silicon Image SiI3132 chip set, but it’s unclear what vendors can do about it," said A M Micro.
Cards affected include those from FirmTek, CalDigit, Sonnet - the non-Pro version – LaCie and more.
Michael Bean of AMUG tested several SiI3132-based cards from other vendors and found the slowdown to be uniform among them. In short it’s an Apple-induced headache for every vendor using that chipset.
SATA ExpressCard's provides eSATA connectivity for the mobile Mac or Windows user who needs access to fast external data storage.
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