Advertisement
- - - - -
2.
Signal Interlace Connector and Cable
(1) Signal interface connector
1. Power Interface Connector and Cable
(a) Pin numbers and pin pitch
254 mm (0.1 in) pitch, 34 pins block header (17 pins double
rows, even number pins are upper side of the FDDl
(1) Power interface connector
(b) Connector external view
See Fig.2
I;
{~~;
C,'
(c) Interface connection
See Table 2
(a) pin numbers :
4 pins
I~~
c~·
- -
~
PCB
(b) Connector external view:
See Fig. 1.
R",,,,r
v I e"
(2) Signal intertace cable
(c) Power interface connections
See Table 1.
Maximum cable length 1 m (3.3 feet), at 1 KG terminator (For daisy chain connection, the
cable length should be less than 1 m)
(2) Power interface cable
I
Pin Nos.
Ei~1
Pins nos
I
Singals
I
Directions
I
--D
I,
' I
w
II
HD IN/OPEN/HD OUT
IN/OUT
Any appropriate cables capable of taking the
w
OPEN
maximum power consumption of the FDD will
w
RESERVED
INPUT
w
INDEX
OUTPUT
be acceptable.
Il~"II'
w
DRIVE SELECT 0
INPUT
w
DRIVE SELECT 1
INPUT
"
W
RESERVED
INPUT
Power voltage
Pin numbers
15
W
16
MOTOR ON
INPUT
W
W
18
DIRECTION SELECT
INPUT
I
W
STEP
INPUT
W
WRITE DATA
INPUT
DC +5V
1
I
I
111 ,
I]
1m
1
I II
D
W
WRITE GATE
INPUT
OV
2
I
II
W
26
TRACK 00
OUTPUT
•
W
28
WRITE PROTECT
OUTPUT
(OV)
3
W
READ DATA
OUTPUT
W
SIDE ONE SELECT
INPUT
ll.~
•
I
, ~ I ~
(No connection)
4
~
W
34
DISK CHANGE
OUTPUT
~\
Note
Refer to Item 11 2 as 10 Ihe output sIgnal selectIon of pm No 2
Table 2 Signal interface pin-assignment
Table 1 DC Power Connector pin-assignment
Figure 1 Power interface connector external view
Advertisement
