
m Polarity: sync negative (no sync on S-video chroma signal)
m Voltage level: 1.0 V
pp
±5% into a 75 Ω resistive load (S-video chroma 0.7 V
pp
)
m Impedance: 75 Ω source
Drive bay specifications
The following illustration shows all of the internal storage expansion options.
An Apple-authorized dealer or service provider can replace existing internal storage devices
with other ones, along with any necessary data cables or brackets to secure each device
inside the computer.
AC line input
m Line voltage: 100–120 volts alternating current (V AC) and 200–240 V AC, RMS, single
phase, manually set by voltage selector switch
m Frequency: 50–60 Hz
m Power: 960 volt-amperes (VA) maximum continuous; 1070 VA peak input
AC line output
m Output receptacle: 100–120 V AC; 3 amperes (A) maximum, or 200–240 V AC; 1.5 A
maximum (determined by actual input voltage)
The floppy disk drive can be
replaced with a 3.5" device (1" high).
The CD-ROM drive can be replaced with
a 5.25" (or smaller) device (1.625" high
or shorter).
This expansion bay accepts a 5.25"
(or smaller) device (1.625" high or shorter).
Some models come with a Zip drive
installed here.
This expansion bay accepts a 5.25"
(or smaller) device (1.625" high or shorter).
The internal hard disk drive can be replaced
with a 3.5" hard disk drive (1" high).
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