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An fpu socket for an optional math coprocessor – Apple PowerBook (Duo 270C) User Manual

Page 233

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n

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 (13")
Apple Macintosh Portrait Display (15")
Macintosh 16" Color Display
VGA monitors

n

slots for two NuBus cards (for Ethernet, Token Ring,
additional video, or other capabilities)

n

an FPU socket for an optional math coprocessor

n

a 512K VRAM SIMM expansion slot (for 16-bit color on Apple
13" and 16" monitors, and 8-bit grayscale on the Apple 15"
portrait monitor)

n

an automatic insert/eject feature to ensure reliable docking

n

a key-operated lock to prevent theft of the docked
PowerBook Duo

Floppy
disk drive

Ç

Security slot

Internal
Modem

-

Sound out

g

SCSI

[

Printer

V

ADB port

I

NuBus slots

External
Modem

Video

Q

W

Power
button

Sound in

Chapter 13: Building a PowerBook Duo System 217