Read/write drives equipped in some MacBook, MacBook Pro and Mac Mini models are apparently malfunctioning in some Seagate hard drive models that are loaded with firmware Version 7.01. Seagate Model numbers include ST96812AS and ST98823AS. Macintosh users can check the firmware revision of Seagate drives by going to System Profiler and looking under Serial-ATA look for the revision number. Older computers that are not affected list their hard drives under ATA, instead of Serial-ATA. Seagate ( official website ) Seagate Technology (NYSE: STX ) is a major American manufacturer of hard drives, founded in 1979 and based in Scotts Valley, California. The company is registered in the Cayman Islands. Their hard drives are used in a variety of computers, from servers, desktops, and laptops to other consumer devices such as digital video recorders, the Microsoft Xbox and the Creative Zen Micro line of digital audio players.