Chapter 3: Installation
3-31
SP1
JF1
JD1
JWF1
JIPMB2
IPMB1
JP8
VGA2
JPK1
JPW1
JBT1
JPW3 JPW2
J3
J2
J1
JPL2
JPG1
JWD
FAN4
FAN5
FAN3
FAN2
FAN1
FAN6
JBT1
D20
LE11
JL1
JI2C1
JI2C2
JPI2C
USB7
USB4/5
USB2/3
Clear
COMS
JTPM
COM2
UIOP
UID LAN4 LAN3 LAN2 LAN1 VGA1 COM1
FAN8/CPU1
FAN7/CPU2
CPU2
P1-DIMM2C
P1-DIMM1C
P1-DIMM3C
JTAG of CPLD
SXB1: PCI-E 2.0 x16
SXB3: PCI-E 2.0 x8
SXB2: PCI-E 2.0 x8+x4
P1-DIMM3B
P1-DIMM3A
P1-DIMM1A
P1-DIMM1B
P1-DIMM2B
P1-DIMM2A
CPU1
USB0/1
IPMI_LAN
P2-DIMM2C
P2-DIMM1C
P2-DIMM3C
P2-DIMM3B
P2-DIMM3A
P2-DIMM1A
P2-DIMM1B
P2-DIMM2B
P2-DIMM2A
JPL1
KB/MS
BIOS
FPCTRL
LE1
SATA0~5
LAN1
LAN2
IOH-36D
ICH10R
Intel
Intel
BMC
Winbond
PHY
USB6
T-SGPIO2
T-SGPIO1
X8DTU-LN4F+
JOH1
WOR1
Rev. 2.0

Power SMB (I2C) Connector

Power System Management Bus (I2C) Con-

nector (JPI2C) monitors power supply, fan

and system temperatures. See the table on

the right for pin de nitions.

PWR SMB
Pin De nitions
Pin# De nition
1 Clock
2 Data
3 PWR Fail
4 Ground
5 +3.3V
A
B

A. Rear UID Switch

B. Rear UID LED (LE11)

C. PWR SMB Connector

Unit Identi cation Switch/LED

A Unit Identi er switch (UID) and a rear UID

LED indicator (LE11) are located next to LAN

ports on the back of the chassis. When the

user pushes the rear UID switch, the rear

UID LED (LE11) will be turned on. Push the

UID switch again to turn off the LED indica-

tor. The UID switch provides easy identi ca-

tion of a system unit that may be in need of

service. See the tables on the right for more

information.

UID Switch (UID)
Pin De nitions
Pin# De nition
1 Ground
2 Ground
3 Button In
4 Ground
C
UID LED (LE11)
Status
Color/State OS Status
Blue: On Windows OS Unit Identi ed
Blue:
Blinking Linux OS Unit Identi ed