Apple Displays

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Low End Mac

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Tech Specs

Apple High-Resolution Monochrome Monitor

Daniel Knight - 1989.03.07

The Apple High-Resolution Monochrome Monitor was Apple’s first 640 x 480 grayscale display for the Macintosh. It was introduced with the Mac IIcx in March 1989 and uses a 12″ grayscale CRT.

This display has a fixed resolution of 640 x 480 and uses Apple’s DA-15 video connector (not to be confused with the smaller, higher density DE-15 VGA video connector used on PCs).

The power button is on the back of the monitor; the brightness and contrast controls are on the right side. The monitor can sit on top of most desktop Macs. Apple also sold a tilt-swivel base for this monitor.

Apple recommends using a screen saver to avoid phosphor burn caused by static elements on the screen, such as the menu bar, drive icon, and Trash. To clean the screen, Apple suggests applying household glass cleaner to a clean cloth or paper towel and wiping the screen. You should avoid spraying glass cleaner directly on the CRT, as it could run down the screen, into the case, and damage the internal electrical circuitry.

Details

  • introduced 1989.03.07 at US$898; discontinued 1991.02.01
  • tube size: 12″
  • viewable size: 11″
  • tube type: grayscale CRT
  • warmup: 20 minutes for complete warmup, usable immediately
  • pixels: 640 x 480
  • bit depth: supports up to 8-bit grayscale
  • display area: 8.4″ x 6.3″/212 x 160 mm
  • refresh: 66.7 Hz
  • resolution: 76 dpi
  • dot pitch: not known
  • connection: DA-15
  • video cable: removable cable with DA-15 connectors on both ends
  • security: supports standard security lock
  • dimensions (H/W/D): 10″ x 12.2″ x 14.4″/255 x 310 x 365 mm
  • weight: 17 lb./7.7 kg
  • power cable: standard computer power cable
  • AC power: 85-270V, 50-60 Hz
  • power draw: 40W, 0.33A
  • operating environment: 50° to 104°F/10° to 40°C, 0-90% humidity, less than 10,000’/3,000 m altitude
  • storage environment: -40° to 116°F/-40° to 47°C
  • tilt/swivel base: optional
  • part number: M0400

Online Resources

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