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40 Megabyte
51/4"Winchester
Disk Drive From
Computer Memories
CM 6000 features:
Capacities of 13.34,
26.67 and 40
megabytes
unformatted.
40 millisecond
average access
time
Closed loop
servo positioner
10.5 megabytes
formatted data per
platter
Proven Winchester tech-
nology
Identical mounting to
standard 5l/4"floppy drives
Interface compatible with
readily available controllers
Internal microprocessor
Step-pulse buffering
Head velocity profile
control
Optimized temperature
compensation
High output, high resolu-
tion heads
All electronics and motors
located outside clean area
Head parking zone
C M 6 0 0 0 disk drive, product infor- CM 6000 Specifications
m a t i o n . The Computer Memories
series of Winchester technology disk Performance Specifications:
drives offers high storage capacities CM-6213 CM-6426 CM-6640
in a minifloppy size package. The
C M 6 0 0 0 series is available in 13.34,
26.67 and 4 0 M Byte versions, all
with average access time of only 40
Msec. By means of a combination of
Winchester technology and proven
design techniques, the O E M is assured
of the ultimate in quality and reliability.
In order to ease system integration,
the C M 6000 has the same physical
dimensions and mounting hole loca-
tions as a standard 5l/4"floppy disk
drive. D C voltage requirements are also
the same as a mini-floppy drive thus
enabling the use of a single power
supply for both types of drives. Functional Specifications:
The high capacities of the C M
6000 are achieved by the utilization of
a closed loop servo positioning system,
on-board microprocessor, and manga-
nese-zinc heads -- unique in such a
small device. The combination of the
swing-arm actuator, associated elec-
tronics, and head allow the C M 6000
to achieve a track density of 720TPI Physical Specifications:
and bit density of 9275 BPI.
INTERFACE
Mechanical Dimensions:
Reliability Specifications:
Computer Memories. I n c . Reserves the right to change specifications without n o t i c e . Rev 10/83 20M Printed in USA