Search results
Results from the WOW.Com Content Network
The sampled sound engine piggybacked on the video circuit. As the raster scan returned from the right side of the screen to the left, one byte of data was placed into a PWM generator instead of the screen. This provided 8-bit sampled monaural sound sampled at the 22.25 kHz horizontal blanking rate. General purpose 6522 outputs could mute the ...
The keyboard used a simple proprietary protocol, allowing some third-party upgrades. The mouse used standard quadrature signals for X and Y, and the single mouse button used a single wire (all signals were compatible with TTL and referenced to ground). The original keyboard had no arrow keys, numeric keypad or function keys.
Macs made after 1987 but prior to 1998, upon failing the POST, will immediately halt with a "death chime", which is a sound that varies by model; it can be a simple beep, a car crash sound, the sound of shattering glass, a short musical tone, or more. On the screen, if working, will be the Sad Mac icon, along with two hexadecimal strings, which ...
Mac Mini (stylized as Mac mini) is a small form factor desktop computer developed and marketed by Apple Inc. As of 2022, it is positioned between the consumer all-in-one iMac and the professional Mac Studio and Mac Pro as one of four current Mac desktop computers. Since launch, it has shipped without a display, keyboard, and mouse.
The Magic Keyboard is a family of wireless computer keyboards manufactured by Foxconn under contract for Apple Inc. The keyboards are bundled with the iMac and Mac Pro , and also sold as standalone accessories.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Apple Desktop Bus (ADB) is a proprietary [1] bit-serial peripheral bus connecting low-speed devices to computers. It was introduced on the Apple IIGS in 1986 as a way to support low-cost devices like keyboards and mice, enabling them to be connected together in a daisy chain without the need for hubs or other devices.
The Happy Mac indicates that booting has successfully begun, while a Sad Mac (along with a "Chimes of Death" melody or one or more beeps) indicates a hardware or software problem. When a Macintosh boots into the classic Mac OS ( Mac OS 9 or lower), the system will play its startup chime, and the screen will turn gray.