An analog board is a circuit board that contains the majority of analog circuitry in certain

Apple Macintosh The Mac (known as Macintosh until 1999) is a family of personal computers designed and marketed by Apple Inc. Macs are known for their ease of use and minimalist designs, and are popular among students, creative professionals, and software ...

computers. The analog board was one of two circuit boards within many early Macintosh computers, including the

Macintosh 128K The Apple Macintosh—later rebranded as the Macintosh 128K—is the original Apple Macintosh personal computer. It played a pivotal role in establishing desktop publishing as a general office function. The motherboard, a CRT monitor, and a fl ...

/ 512K/

Plus Plus may refer to: Mathematics * Addition * +, the mathematical sign Music * ''+'' (Ed Sheeran album), (pronounced "plus"), 2011 * ''Plus'' (Cannonball Adderley Quintet album), 1961 * ''Plus'' (Matt Nathanson EP), 2003 * ''Plus'' (Martin Ga ...

, Macintosh SE series, and Macintosh Classic series. The analog board contained several capacitors, a battery compartment, and some other analog circuitry. Some later all-in-one Macintosh computers also included analog boards, with the most recent being the

iMac G3 The iMac G3, originally released as the iMac, is a series of Macintosh personal computers sold by Apple Computer from 1998 to 2003. The iMac was the first major new product release for Apple under Steve Jobs, Apple's interim CEO and cofounde ...

and

eMac The eMac (short for education Mac) is a discontinued all-in-one Macintosh desktop computer that was produced and designed by Apple Computer Released in 2002, it was originally aimed at the education market, but was later made available as a ...

. In these computers, the analog board functioned as the power supply to other parts within the system, and also functioned to control the CRT display within the computer. The other board was the

logic board A motherboard (also called mainboard, main circuit board, mb, mboard, backplane board, base board, system board, logic board (only in Apple computers) or mobo) is the main printed circuit board (PCB) in general-purpose computers and other expand ...

, which contained all of the computer's digital logic circuitry, such as the processor and memory. Mac Analog Board 630-0525 Rev B With Key

See also