Power Computing ATARI PC720 Owner's Manual page 7

c) The power on your Arniga MUST be switched off before the external
drive can be enabled or disabled.
Technical Data.
Storage Capacity
Unfonnatted
Formatted
Transfer Rate
Track Density
No Cylinders
Total No Cylinders
DC Power Supply
Dimensions
Weight
Double Density
l mbyte
880k Bytes
250k bit/Sec
135 TPI
80
160
5v
220
X
104
X
30 mm
1 Kg.