Vector Graphic Extended Systems Monitor Especificaciones descargar pdf (Pagina 9)

System B

Installation,

Use, and Maintenance Manual

1.4

Micropolis

floppy

diskette

subsystem

specifications

PERFORMANCE

eapaci

ty

per

drive:

315K

bytes,

fo rrnated

Transfer

rate:

253K

bits/second

Average

rotational

latency

time:

100

milliseconds

Access

t~e

-

track-to-track

:

30

milliseconds

Settling

time:

10

milliseconds

Head

load

t~e:

75

milliseconds

Head

positioner:

stepper

motor with

lead-screw

drive

Drive motor

start

time:

1 second

Rotational

speed:

300

RPM

Recording

density

5248

bi

ts

per

inch (BPI)

Recording mode:

MPM

Track

density:

100

tracks

per

inch

(TPI)

Surfaces

used

per

diskette:

1

RELIABILITY

M'lBF

MTTR

Media

life

Head

life

Soft

error

rate

Hard

error

rate

Seek

error

rate

Rev.

A 1/17/80

8000

hrs.

0.5

hrs.

3 X

10

EXP

6

passes

on

single

track

10

EXP

4

hrs.

1

in

10

EXP

9

1

in

HI

EXP

12

1

in

10

EXP

6

1-3

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 20 21

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