The MAC address for a system is its Media Access Control address, which is a unique string of hexadecimal characters that identifies your system’s physical port on the network. This address is used by routers on your local network to ensure proper assignment of IP addresses, and network information routing. It can also be used … Read more
Apple’s Mail program can connect to a number of different e-mail services, including popular ones like Gmail, Outlook.com, and Yahoo, but in addition be configured for custom IMAP and POP services, such as those at work or educational institutions. While Mail can manage messages from many different accounts and account types, sometimes an error may … Read more
When new files are created by programs in your account, they are inherently assigned your username as the owner, along with the default permissions for your account to access, which generally are full access for the owner, and then read-only access for the default group and everyone else. The Finder in macOS is just another … Read more
Apple’s iMessage service is the default messaging system for anyone using macOS or iOS, so if you use one of these systems then you likely have an iCloud account active and ready to receive messages. Unfortunately, at times and especially if you have a popular iCloud user name, you may receive spam texts and other … Read more
When you take a screenshot in macOS, you might expect the resulting image to be the same size as you see on screen; however, if you take a screenshot using a MacBook with a Retina display, then depending on what program you use to open it, you may find the resulting image to be rather … Read more
Apple’s Notification Center in OS X is a central service that allows you to view messages and warnings from your system along the right-hand side of your screen. Messages appear either as banners that disappear, or as alerts that require you to click a button to close. You can also click the Notification Center icon … Read more
When using or troubleshooting your Mac, you may be eager to jump in and get to work; however, it is worth your while to ensure your system is properly backed up, especially if your work and data is important, or if you plan on making changes to the system in any way (e.g., installing software, … Read more
QuickLook is a service built into macOS that allows you to quickly preview the contents of many document types. When browsing through your files in the Finder, to view their contents simply highlight one and then press the spacebar to open the preview window. This service should work for many common file types, including images, … Read more
Introduced: September 19, 1999Terminated: July 19, 2000 Logic BoardProcessor: PowerPC 7400 (G4)Processor Speed: 400 MHzProcessor Upgrade: G4 DaughtercardPMMU: IntegratedFPU: IntegratedBus Speed: 100 MHzData Path: 128-bitROM Size: 1 MB (NewWorld – Boot ROM is around 1 MB, other instructions loaded in RAM)Level 1 Cache: 64KLevel 2 Cache: 1 MB Expansion Slots: Battery: 3.6V Lithium MemoryRAM Type: PC100 SDRAM (Noninterleaved, 3.3-volt, 64-bit-wide, 168-pin)RAM Slots: 4Min – Max RAM: 64 MB – … Read more
Introduced: March 17, 1998Terminated: December 14, 1998 Logic BoardProcessor: PowerPC 750 (G3)Processor Speed: 300 MHzProcessor Upgrade: ZIF socketPMMU: IntegratedFPU: IntegratedBus Speed: 66 MHzData Path: 64-bitROM Size: 4 MBLevel 1 Cache: 64KLevel 2 Cache: 1 MBExpansion Slots: 3 PCI, 1 CommBattery: 3.6V Lithium MemoryRAM Type: 168-pin DIMMRAM Slots: 3Min – Max RAM: 32 MB – 384 MBMinimum RAM Speed: 10 nsInstall in groups of: 1RAM Sizes: 8, 16, 32, 64, 128 MBOnboard RAM: none Note: … Read more