![]() Mac ‘Book Power Management Adventures, Charles W Moore, ‘Book Value, 2009.05.19.“At the very least, it makes sense to have a second partition with a bootable version of the Mac OS, so if you have problems with your work partition, you can boot from the ’emergency’ partition to run Disk Utility and other diagnostics.” Why You Should Partition Your Mac’s Hard Drive, Dan Knight, Mac Musings, 2008.12.11.Tips on choosing the best OS for your PowerBook 500 Series or newer Mac notebook. What’s the best Mac OS for your iBook, PowerBook, or MacBook?, Charles W Moore, ‘Book Value, 2008.08.19.Sonnet Technologies PowerPC 100 MHz 603e upgrade, 8 MB RAM.NewerTech NUpowr 500/183c 603e upgrade w/128K level 2 cache.Apple 100 MHz 603e PowerPC Upgrade (M3081LL/A), 8 MB RAM.SCSI ports: HDI30 connector on back of computer.Ethernet: AAUI connector, requires adapter.serial ports: 1 DIN-8 RS-422 port on back of computer.ADB ports: 1 port for keyboard and mouse.video: 512 KB VRAM, VID-14 port, supports 8-bit external video at 512 x 384, 640 x 480, 800 x 600, and 832 x 624 with video adapter.display: 9.5″ 640 x 480 84 ppi 6-bit active matrix grayscale.RAM: 4 MB, expandable to 36 MB using a special 100ns pseudostatic RAM card.FPU performance: 5.60, Speedometer 4.02 (Quadra 605 = 1.0), see our benchmark page.CPU performance: 1.17, Speedometer 4.02 (Quadra 605 = 1.0), see our benchmark page.requires System 7.1.1 or later highest version supported without a PPC upgrade is Mac OS 8.1.Got a PowerBook? Join our PowerBooks Group.The 540 and 540c came standard with a Global Village 19.2 kbps data/14.4 kbps fax modem. The 540 has a 6-bit active matrix grayscale display. ![]() These PowerBooks also introduced a full-sized keyboard (with 12 function keys), had a 640 x 480 screen, and were designed so they could be upgraded with a PowerPC processor. In the field, users raved about the dual battery slots, allowing up to 4 hours from a charged pair of batteries. (The LC version of the 68040 draws less power and has no FPU.) The 500 series included several firsts: the first portable with a trackpad, the first with a PCMCIA (later PC Card) slot, the first with stereo speakers, the first with built-in ethernet, the first with an “intelligent” NiMH battery, the first with an expansion bay, and the first to automatically go to sleep when the lid was shut. Blackbird was Apple’s code name for a new line of PowerBooks based on the 68LC040 processor.
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