User`s manual
2-36
X7SB3/X7SB3-F User's Manual
J27
J8
JLAN1
B1
COM2
JWOR
JAR
JPF
J3P
J45
J44
JPG1
JPL1
JPUSB1
JPS2
JPS1
JLED1
JWD
JPW1
JWOL
3-SGPIO2
Fan5
Fan1
Fan4
Fan2
JBT1
PW4
PCI1
SAS7
SAS0
SAS5
SAS6
SAS4
SAS3
SAS2
SAS1
SPKR1
J48
J47
JD1
LE2
LE4
LE5
LE1
COM1
JF1
JPW2
DIMM4
DIMM3
DIMM2
DIMM1
CPU
KB/MOUSE
VGA
LE3
USB2
USB6/7
USB4/5
JLAN2
Battery
LAN
CTRL1
PCI-E x8
LAN
CTRL2
Winbond
IPMI/VGA CTRL
Winbond
83627DHG
SI/O
JI2C2
JI2C1
Intel
ICH9
(South Bridge)
3-SGPIO1
LSI
1068E
SAS CTRL
USB3
Floppy
FP CTRL
Fan3
Intel
3210 MCH
(North Bridge)
JS1
JS2
I-SATA0
I-SATA1
PCI 33 MHz
BIOS
82574L
Intel
82574L
Intel
WPCM450-R
X7SB3
24-pin ATX PWR
8-pin PWR
I-Button
JPL2
JPB
JL1
LED1
DIMM1A
DIMM2A
DIMM1B
DIMM2B
USB0/1
IPMI LAN
(X7SB3-F)
2-9 Floppy Drive Connections
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 34 wires and 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.
A. Floppy
A
Floppy Connector
The fl oppy connector is located next
to the USB2 and USB3 connectors.
See the table below for pin defi ni-
tions.
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