Zenith Z-100 Reference Manual page 16

Text 80 characters x 25 lines or 40 characters x 25 lines, soft-
ware selectable.
G raphics: point addressable 640 x 200 pixels or 320 x 2 0 0
pixels, software selectable.
Eight colors, two intensities for RGB output or 16-level gray scale
for monochrome output.
Z-160 — internal monitor is 9" amber monochrome display or op-
tional green display.
One 8-ohm, 2-inch speaker
Audio
Mass Storage One or t wo 5.25-inch double-sided, double-density, 40-track
floppy disk drives.
MS-DOS Version 2 maximum capacity of 360K per disk
MS-DOS Version 1.25 maximum capacity of 320K per disk
Optional 10M capacity Winchester disk drive with up to four sepa-
rate partitions.
Input/Output One parallel Centronics-compatible printer port
One or two RS-232 serial asynchronous Input/Output (I/O) port(s).
Shipping Weight
Computer, keyboard, two floppy disk drives: 41 pounds (19.1 kg)
Z-150
Computer, keyboard, two floppy disk drives: 55 pounds (25.0 kg)
Z-160
Introduction and Specifications
Page 1.3