Editing Apple Multiple Scan 20 Display (section)

== Specifications ==
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{| class="wikitable styled-table" style="width:70%;"
|+ '''Apple's specifications'''<ref name="ss20" />
! Item !! Specification
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| Picture tube || 20 in diagonal Trinitron CRT, 19.1 in viewable; bonded glass panel with antiglare and antistatic multilayer coating
|-
| Stripe pitch || 0.31 mm; 0.26 mm on the Rev. B
|-
| Resolution || 640 × 480 to 1280 × 1024
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| Scan rates || Vertical 50-150 Hz; horizontal 29-82 kHz; Macintosh, VGA, SVGA and VESA timings
|-
| Video input || Analogue RGB to RS-343A, 0.714 V peak to peak; sync on green, separate sync or composite sync
|-
| Power supply || Universal, 90-132 and 198-264 V AC, self-configuring, 47-63 Hz; 165 W maximum, under 15 W in energy-saver mode
|-
| Size and weight || 474 mm high, 474 mm wide, 501.5 mm deep; 30 kg (66 lb), 36 kg boxed
|-
| Stand || Built in; tilt −5° to +15°, swivel ±45° minimum; two ADB ports at the front, one at the rear
|-
| Operating temperature || 10-40 °C
|}

The display needs a Power Macintosh, Centris or Quadra, or a NuBus Macintosh with a Macintosh Display Card 24AC, and System 7.1 or later. Apple lists the Macintosh II family, PowerBooks, the Duo with Mini Dock, Performa, LC, LC II, LC III and the Display Cards 4•8, 8•24 and 8•24GC as working at 640 × 480 only.<ref name="ss20" /> Apple's parts list includes a Mac/PC display adapter, 922-0736.<ref name="sgparts">''Macintosh Displays and Video Cards'' service guide (1996), Apple Multiple Scan 20 Display chapter: parts list p. 114 (PDF p. 132); board versions and EEPROM settings p. 116 (PDF p. 134); symptom charts pp. 117-121 (PDF pp. 135-139); wiring information pp. 122-123 (PDF pp. 140-141). Hosted as [[:File:Apple Macintosh Displays and Video Cards Service Guide (September 1996).pdf]].</ref>