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RS-232C serial port. Allows you to connect a peripheral with a serial
interface, such as a modem, another computer or a printer.
Parallel port. Allows you to connect a peripheral with a parallel inter-
face, such as a printer or plotter.
Option card access slots. The Equity I+ has space for five option cards
(which control your peripherals). One of these slots is occupied by either
your monochrome or color/graphics video card. You can use the other
four to add special devices such as a modem or hard disk controller.
The front panel
Now take a look at the front panel. The components on the front panel
are shown in Figure 1-3 with the covers open to show the switches and the
keyboard cable socket. To open each cover, press down gently on the small
handle.
Disk lock/release button
\
Disk drive
LED lamp
Power LED lamp
/
\
/
/
I
C?ption?l
/
\
DIP switches
\
:I%
dr’ve
RESET/
\
Keyboard
button
CPU speed switch
cable socket
- Power
switch
Figure
1-3.
Front
panel
The front panel components work as follows:
l
Disk lock/release button. Press to lock a diskette in place. Press again to
eject it.
l
Disk drive LED lamps. A light indicates that the drive is being accessed.
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