2-20
X7DWT/X7DWT-INF
User's
Manual
JPL1
J_VMEM
JL1
LE2
LE1
JBT1
LAN1
LAN2
BIOS
SIMSO IPMI
LAN
CTRL
Battery
LE3
J4
VGA
CTRL
SMB
JPL2
SGPIO
CPLD
Intel 5400
North Bridge
CPU 2
FP CTRL
JWD
CPU 1
FAN1/2
20-Pin PWR
PWSMB
CTRL
InfiniBand
DIMM2B
DIMM2A
DIMM1B
DIMM1A
20-Pin PWR
4-Pin Aux. PWR
S I/O
JPG1
JWOL
Intel ESB2
South Bridge
FAN3/4
JSPK
COM1
SATA2
DIMM4B
FPUSB2/3
BANK4
USB0/1
DIMM4A
DIMM3B
DIMM3A
BANK3
BANK2
BANK1
VGA
SATA3
SATA0
SATA1
PCI-Express x16
FAN5/6
FAN7/8
Infini-
B
and
X7DWT-INF
GLAN 1/2 (Giga-bit
Ethernet) Ports
Two G-bit Ethernet ports are located
on the IO backplane. These ports
accept RJ45 type cables.
A
B
A. GLAN 1
B. GLAN 2
C. SGPIO
GLAN1
GLAN2
SGPIO Header
A SGPIO (Serial General Purpose
Input/Output) header is located at
J29 on the motherboard. This header
supports serial link interfaces for the
onboard SATA connectors. See the
table on the right for pin defi nitions.
Refer to the board layout below for
the location.
SGPIO
Pin Defi nitions
Pin# Defi nition
Pin Defi nition
2
NC
1
NC
4
SATA_SB_
SDATAOUT0
3
GND
6
GND
5
SATA_SB_
SLOAD
8
NC
7
SATA_SB_
Clock
Note:
NC= No Connections
C