PowerBook Duo 270c

Introduce in October 1993, the Duo 270c added an active matrix 640 x 480 pixel 256-color screen to the Duo 230. With the improved battery, this color Duo could still run for two hours per charge.

PowerBook Duo 270cThe 270c supports 16-bit video on its screen if you select the 640 x 400 pixel mode under Options in the Monitors control panel.

Details

  • introduced 1993.10.21 at $3,100; discontinued, 1994.05.01
  • supports System 7.1 to Mac OS 8.1
  • CPU: 33 MHz 68030
  • FPU: 33 MHz 68882
  • RAM: 4 MB RAM, expandable to 24 MB using a single Duo RAM card
  • ROM: 1 MB
  • display: 9″ 640 x 480 @ 8-bits, 640 x 400 @ 16-bits, 89 ppi active matrix
  • Performance: 4.6 (relative to SE)
  • ADB port: only with dock
  • SCSI port: only with dock
  • serial ports: 1 DIN-8 RS-422 port on back of computer
  • proprietary modem slot
  • Gestalt ID: 77
  • Size (HxWxD): 1.5″ x 10.9″ x 8.5″
  • Weight: 4.8 pounds
  • upgrade path: Duo 280c
  • power supply: M7783

Online Resources

Cautions

  • Apple Computer will consider this computer obsolete as of July 16, 2001 in the United States and July 23, 2001 in Canada. As of that date, service parts and documentation will no longer be available from Apple.
  • Modem port limited to 57.6 kbps (printer port may be faster); use of a 56k modem on the modem port may limit throughput. See 56k modem page.

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