SUPER MICRO Computer X7SBL-LN1/LN2 - Manual (Page 48)

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X7SBL-LN1/LN2 User’s Manual
2-9 Floppy and SIM 1U IPMI Connections
Note the following when connecting the fl oppy and hard disk drive cables:
• The fl oppy disk drive cable has seven twisted wires.
• A red mark on a wire typically designates the location of pin 1.
• A single fl oppy disk drive ribbon cable has two connectors to provide for two
fl oppy disk drives. The connector with twisted wires always connects to drive
A, and the connector that does not have twisted wires always connects to drive
B.
Floppy Connector
The fl oppy connector is located at
J27. See the table below for pin
defi nitions.
A. Floppy
Floppy Drive Connector
Pin Defi nitions (Floppy)
Pin# Defi nition Pin # Defi nition
1 Ground 2 FDHDIN
3 Ground 4 Reserved
5 Key 6 FDEDIN
7 Ground 8 Index
9 Ground 10 Motor Enable
11 Ground 12 Drive Select B
13 Ground 14 Drive Select B
15 Ground 16 Motor Enable
17 Ground 18 DIR
19 Ground 20 STEP
21 Ground 22 Write Data
23 Ground 24 Write Gate
25 Ground 26 Track 00
27 Ground 28 Write Protect
29 Ground 30 Read Data
31 Ground 32 Side 1 Select
33 Ground 34 Diskette
A