2-24
PDSML-LN1/PDSML-LN2 User's Manual
S
L
M
S
D
P
R
E
P
U
®
LGA 775
CPU
KB/MS
JLAN1
E7230
(North Bridge)
4
n
a
F
24-Pin ATX PWR
ICH7R
South Bridge
Fan6/CPU Fan
8-pin PWR
Battery
USB 1/2
V
G
A
JLAN2
COM2
Floppy
DIMM 2B
PCI-E x8
BIOS
Mukilteo
ID
E
#
1
JPF
DIMM 1B
DIMM 2A
DIMM 1A
Fan1
SATA2
F
an
5
LAN
CTRL2
J
P
L
2
J
P
L
1
WOL
JWOR
r
ez
z
u
B
J L 1
JI
2
C1
L
E
1
JBT1
SATA1
JPG1
Fan3
F
P
C
o
n
tr
o
l
Fan2
J
L
E
D
USB3/4 USB5/6
LAN
CTRL1
SPKR
JI
2
C2
1U IPMI
PCI-33 MHz
S I/O
VGA
Ctrl
PCI-E x4
PCI-33 MHz
L
E
3
L
E
4
SATA3
SATA0
C
O
M
1
2-9
Floppy, Hard Disk Drive, and IPMI 2.0 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.
Floppy Drive Connector
Pin Defi nitions
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. Floppy
A
