2-26
X7DWE User's Manual
JBT
JWOL1
JPL1
JWD
JPG1
JI2C2
JI2C4
JI2C1
JI2C3
J8
JPT1
SPKR
JD1
J18
JP2
JOH1
JL1
JP1
J7
FAN6
FAN5
FA
N
1
FAN2
FAN3
FAN4
LED5
LED6
LE1
USB6
T-SGPIO2
USB4/5
USB2/3
COM2
LAN2
LAN1
PWR
BANK1
COM1
VGA
USB0/1
BANK2
KB/MS
DIMM1A
DIMM1B
DIMM2A
DIMM2B
CPU2
CPU1
Slot5 PCI-E x8
Slot6 PCI-E x8
Slot7 SIMLP
Slot4 PCI-E x8
Slot1 PCI-X 133MHz
Slot 2 PCI-E x4
Slot 0 PCI-U
I-SATA5
I-SATA4
FLOPPY
I-SATA0
I-SATA2
I-SATA1
I-SATA3
X7DWE
IDE#1
SMB
FP
CTRL
JPL2
Super I/O
LAN
CTRL
Intel 5400
North Bridge
Slot3 PCI-E x8
Intel ESB2
South Bridge
BIOS
T-SGPIO1
VGA
CTRL
24-Pin ATX PWR
8-Pin PWR
Floppy Connector
The
fl
oppy connector is located at J22
on the motherboard. See the table on
the right for pin de
fi
nitions.
Floppy Drive Connector
Pin Defi nitions
Pin# De
fi
nition Pin # De
fi
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
A. Floppy
2-8 Floppy Drive, SIMLP, Serial ATA and Hard Disk
Drive
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.
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