Characteristics

Picture Tube 14-in. diagonal, spherical shadow mask CRT (12.4-in. viewable image) Multiple scan

Polished surface treatment Trio gun configuration Phosphor (aluminized): P22 derivative 0.28-mm dot pitch

Screen Resolution 640x480 at 60 Hz in VGA mode

640x480 at 67.67 Hz in Macintosh mode 800x600 at 60 Hz in SVGA mode 832x624 at 75 Hz in Macintosh mode

Input Signals Red, green, and blue signals; separate sync

Scan Rates

Vertical refresh rate: 60 - 72 Hz Horizontal scan rate: 31.5 - 48 kHz Macintosh, VGA, and SVGA compatible

Cable Connector

15-pin miniature D-type

System

Requirements

Power Macintosh, Macintosh Centris, Macintosh Quadra, some Macintosh Performas, or any NuBus-compatible Macintosh with a Macintosh Display Card 24AC.

Macintosh II, Ilci, IIx, Ilcx, and Ilfx with compatible display card, llsi with display card and NuBus adapter, IIvi and IIvx with display card and display adapter for 640x480 mode.

Some PowerBooks, Duo Dock, Duo Dock II, and Mini Dock,

Macintosh LC, LC II, LC Ill, LC 475, and LC 630, and Macintosh computers with Display Cards 4^8, 8^24, or 8^24GC installed support 640x480 mode. Other modes are possible with additional adapters.

System software version 7.1 or later

Monitor Timings

640x480

Resolution @ 60 Hz

Horizontal Timing 1/H: 31.5 kHz Back Porch: 48 dots H SYNC: 96 dots Front Porch: 16 dots 1 dot: 39.72 ns 1 H: 31.77 us 1/dot: 25.175 MHz

Vertical Timing 1 V: 16.67 ms Back Porch: 33 H V SYNC: 2 H Front Porch: 10 H

640x480

Resolution @ 66.67 Hz

Horizontal Timing 1/H: 35.000 kHz Back Porch: 96 dots H SYNC: 64 dots Front Porch: 64 dots 1 dot: 33.06878 ns 1 H: 28.5714 ^s 1/dot: 30.24 MHz

Vertical Timing 1 V: 15.000 ms Back Porch: 39 H V SYNC: 3 H Front Porch: 3 H

Monitor Timings

800x600

Resolution @ 60 Hz

Horizontal Timing 1/H: 37.879 kHz Back Porch: 88 dots H SYNC: 1 28 dots Front Porch: 40 dots 1 dot: 25.000 ns 1 H: 26.4 jis 1 /dot: 40.000 MHz

Vertical Timing 1 V: 16.58 ms Back Porch: 23 H V SYNC: 4 H Front Porch: 1 H 1/V: 60.3165 Hz

800x600

Resolution @ 72 Hz

Horizontal Timing 1/H: 48.077 kHz Back Porch: 64 dots H SYNC: 1 20 dots Front Porch: 56 dots 1 dot: 20.000 ns 1 H: 20.800 1 /dot: 50.000 MHz

Vertical Timing 1 V: 13.853 ms Back Porch: 23 H V SYNC: 6 H Front Porch: 37 H

Monitor Timings

832x624

Resolution @ 75 Hz

Horizontal Timing Back Porch: 224 dots H SYNC: 64 dots Front Porch: 32 dots 1 dot: 1 7 ns 1 H: 20.1 |is 1 /dot: 57.2832 MHz

Vertical Timing 1 V: 13.3 ms Back Porch: 39 H V SYNC: 3 H Front Porch: 3 H 1/H: 46.751 kHz 1 H: 20.1 |is

Speakers Audio input signal: 0.707 V RMS

Audio input impedance: minimum 10 k ohms Audio output per speaker: minimum 500 mW with 0.707 V RMS input

Frequency response: ± 3 db from 100 Hz to 20 kHz

Internal speaker muted when headphones are inserted into the headphone port

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