Display Lamps; Front Panel; Movable Door Handle; Door Lock Solenoid - NEC FD1165 Maintenance Manual

Flexible disk drive
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1.2.15
Displ~Lamps
Two lamps on the front panel provide a visual display of the
ready and busy states of the disk drive.
1.2.16
Front Panel
The
front
panel
holds
the display
lamps and
provides an
attractive appearance for the front of the disk drive.
1.2.17
Movable Door Handle
The movable door
handle ,when closed,
engages
the collet
assembly.
1.2.18
Door Lock Solenoid
The door lock solenoid
(not shown)
makes it impossible to
remove
the flexible disk during certain drive operations,
theieby
preventing
data
loss
or
physical
damage
to
the
flexible disk.
1.3
SPECIFICATIONS
Table
1-1
lists
the
specifications
for
the Model FDl165
Flexible Disk Drive.
Table 1-1
FDl165 Specifications
FEATURES
SPECIFICATIONS
SINGLE-SIDED
DUAL-SIDED
DUAL-SIDED
SINGLE-DENSITY
SINGLE-DENSITY
DUAL-DENSITY
Unformatted Capacity
400
800
1600
(Kbytes)
Formatted Capacity
Sectors/track
26
15
8
26
15
8
26
15
8
By tes/ sec tor
128
256
512
128
256
512
256
512 1024
Bytes/track
3328 3840 4096
3328 3840 4096
6656 7680 8192
I<
by tes/D isk
246
284
303
493
568
606
985 1137 1212
Media
IBM Diskette 1
IBM Diskette 2
IBM Diskette 20
or equivalent
or equivalent
or equivalent
Media Dimensions
8 x 8/203 x 203
( inches/rom)
Tracks Per Disk
77
154
154
Bit Density
3268
3408
6816
(bits per inch)
Transfer Rate
31.25
31.25
62.5
(Kbytes per second)
Recording Method
FM
FM
MFM
1-5

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