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CSS Laboratories
Section 2 – Using the SBP-205
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8
Diskette Drive (FDD)
The diskette drive, also called the floppy drive, is a 34-pin connector, designated
FDD.
Diskette Drive Connector (FDD) Pin Assignments
Pin
Assignment
Pin
Assignment
1 Ground
2 DENSEL
3 Ground
4 TP
5 Key
6 FDENIN
#
7 Ground
8 FDINDX
#
9 Ground
10 FDM00
#
11 Ground
12 FDDS01
#
13 Ground
14 FDDS004#
15 Ground
16 FDM01#
17 MSEN1
18 FDDIR
#
19 Ground
20 FDSTEP
#
21 Ground
22 FDWD
#
23 Ground
24 FDWE
#
25 Ground
26 FDTRK0
#
27 MSEN0
28 FDWPD
#
29 Ground
30 FDRDATA
#
31 Ground
32 FDRHEAD
#
33 Ground
34 DSKCHG
#
Universal Serial Bus (USB)
The SBP-205 provides connectors for two Universal Serial Bus (USB) connectors.
They are designated USB1) and USB2).
USB Connector (USB1, USB2) Pin Assignments
Pin
Assignment
Pin
Assignment
1 VCC
3 Data
+
2 Data
–
4 Ground
