Apple 280 Laptop User Manual


 
m built-in video support for the following monitors:
Macintosh 12" Monochrome Display
Macintosh 12" RGB Display
AppleColor High-Resolution RGB Monitor (13")
Macintosh Color Display (14")
Apple Macintosh Portrait Display (15")
Macintosh 16" Color Display
VGA monitors (requires MAC-VGA adapter)
Super VGA (56 Hz) (requires MAC-VGA adapter)
Macintosh Two-Page Display (Duo Dock II or upgraded Duo Dock only)
Macintosh 21" Color Display (Duo Dock II or upgraded Duo Dock only)
Apple 17" Multiple Scan Display (Duo Dock II or upgraded Duo Dock only)
Apple 20" Multiple Scan Display (Duo Dock II or upgraded Duo Dock only)
m 1 MB VRAM for 16-bit color on color monitors 16" or less, 8-bit grayscale
on the Apple 15" portrait monitor and the Macintosh Two-Page Display,
and 8-bit color on color monitors 17" or greater. (The Duo Dock requires a
512 K VRAM SIMM expansion card for 16-bit color.)
m an automatic insert/eject feature to ensure reliable docking
m a key-operated lock to prevent theft of the docked PowerBook Duo
m a 32K RAM cache function that automatically speeds up the performance
of a docked PowerBook Duo by as much as 20 percent (The RAM cache
function is available only with a PowerBook Duo 230 computer docked in
either a Duo Dock II or an upgraded Duo Dock.)
m a slot door that protects the interior of your Duo Dock II when your
PowerBook is not docked
91
Building a PowerBook Duo System