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INSTALLATIONS
16
MB770 User’s Manual
FDD1: Floppy Drive Connector
FDD1is a slim 26-pin connector and will support up to 2.88MB FDD.
Signal Name
Pin #
Pin #
Signal Name
VCC 1
2 INDEX
VCC 3
4
DRV_SEL
VCC 5
6 DSK_CH
NC 7
8 NC
NC 9
10
MOTOR
DINST 11
12
DIR
NC 13
14 STEP
GND 15
16 WDATA
GND 17
18 WGATE
GND 19
20 TRACK
NC 21
22 WPROT
GND 23
24 RDATA
GND 25
26 SIDE
J2: Serial Ports
Pin #
Signal Name (RS-232)
1
DCD, Data carrier detect
3
RXD, Receive data
5
TXD, Transmit data
7
DTR, Data terminal ready
9 Ground
2
DSR, Data set ready
4
RTS, Request to send
6
CTS, Clear to send
8
RI, Ring indicator
10 No
Connect.