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The Macintosh IIci personal computer offers high perform­ance and enhanced functionality in a system with the same small footprint and flexible design as the [[Macintosh IIcx]]. People who require high-speed program execution for large spreadsheets, databases, and graphically intensive applications will appreciate the performance delivered by the Macintosh IIci.
 
The Macintosh IIci personal computer offers high perform­ance and enhanced functionality in a system with the same small footprint and flexible design as the [[Macintosh IIcx]]. People who require high-speed program execution for large spreadsheets, databases, and graphically intensive applications will appreciate the performance delivered by the Macintosh IIci.
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A 25-megahertz 68030 micro­ processor makes the most significant contribution to the dramatic performance improve­ment offered by the Macintosh Ilci. Increasing the clock speed of the 68030 enables the system to perform up to 45 percent faster than the [[Macintosh IIcx]] and [[Macintosh IIx]] computers. To speed the processing of complex mathematical functions, a 68882 math coprocessor comes standard with the Macintosh IIci. By installing an optional cache memory card, users can improve system performance by an addi­tional 20 percent to 30 percent, for an overall performance improve­ment of up to 75 percent over that of the Macintosh IIx and IIcx.
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A 25-megahertz 68030 micro­processor makes the most significant contribution to the dramatic performance improve­ment offered by the Macintosh Ilci. Increasing the clock speed of the 68030 enables the system to perform up to 45 percent faster than the [[Macintosh IIcx]] and [[Macintosh IIx]] computers. To speed the processing of complex mathematical functions, a 68882 math coprocessor comes standard with the Macintosh IIci. By installing an optional cache memory card, users can improve system performance by an addi­tional 20 percent to 30 percent, for an overall performance improve­ment of up to 75 percent over that of the [[Macintosh IIx]] and IIcx.
    
The Macintosh IIci also comes with built-in video capability that enables the system to display up to 256 colors or shades of gray simultaneously on a variety of Apple color and gray-scale monitors.
 
The Macintosh IIci also comes with built-in video capability that enables the system to display up to 256 colors or shades of gray simultaneously on a variety of Apple color and gray-scale monitors.