![]() ![]() Andy Ihnatko has this factoid, and I tend to trust him. You won’t be able to boot a Mac from a Thunderbolt-connected drive for now, unlike with USB and FireWire. When a Mac is booted in Target Disk Mode, it acts as a hard drive for another connected Mac. Until now, this mode worked only over FireWire connections. Target Disk Mode is supported under Thunderbolt. On a future Mac Pro or Mac mini that wouldn’t be an issue, nor would it be a limitation on a future iMac, as long as the iMac provided multiple Thunderbolt ports.īecause Thunderbolt provides two channels on the same cable, a display or hard drive can be in the middle of the daisy-chain without interrupting the flow of the other channel. On the new MacBook Pros, Thunderbolt manages both the internal screen and an optional external display, which is why you can’t drive two external displays. This dual-channel approach would let you run two high-resolution displays (which require bandwidth in the gigabits-per-second range) and a super-fast RAID drive (demonstrated by Promise Technology) or multiple drives that can work at full speed.Apple and Intel are likely sticking with the 10 Gbps rating because if you measured the throughput to a hard drive, for example, it would never go over 10 Gbps thanks to using only the PCI Express channel. While the Thunderbolt specification talks about 10 Gbps to and from a host, there are actually two channels over the same cable: one dedicated to DisplayPort for video, and the other for PCI Express data. Despite what the tech spec pages say, Thunderbolt actually has up to 20 Gbps available in each direction (full duplex), not 10 Gbps.Thunderbolt’s Blasts - Thunderbolt is a fascinating mix of old and new: These seem to be among the least well understood and documented items about Thunderbolt and Lion. From online sources and a briefing with Apple last week, I can provide some reassurance and additional details. But via Twitter, I discovered that many people are unaware of or concerned about certain features close to their hearts. #IDEFRAG LICENSE FILE MAC OS X#You can read a thousand articles about the new Thunderbolt input/output technology in Apple’s latest revision to MacBook Pro laptops, and the new revelations from Apple about Mac OS X Lion. #1626: AirTag replacement battery gotcha, Kindle Kids software flaws, iOS 12.5.6 security fix.#1627: iPhone 14 lineup, Apple Watch SE/Series 8/Ultra, new AirPods Pro, iOS 16 and watchOS 9 released, Steve Jobs Archive.#1628: iPhone 14 impressions, Dark Sky end-of-life, tales from Rogue Amoeba. #IDEFRAG LICENSE FILE FOR FREE#
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