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Chapter 2: Installation
LAN LEDs
There are four LAN ports (LAN1 - LAN4) on the I/O back panel of the motherboard. Each LAN port
has two LEDs. The green LED indicates activity, while the other Link LED may be green, amber,
or o to indicate the speed of the connection. Refer to the tables below for more information.
LAN Activity LED (Left)
LED State
Color Status Denition
Yellow Flashing Active
LAN Link LED (Right)
LED State
LED Color Denition
O No Connection
Amber 1 Gbps
Green 100 Mbps
X12SPZ-LN4F
REV: 2.00
DESIGNED IN USA
LEDBMC
LEDPWR
JTPM1
JWD1
JD1
COM1
M.2-H
JPG1
JL1
JPME1
JPME2
JBM1
UID
UIDLED
USB0/1 USB2/3
USB6/7
JNS1
JRK1
PCIe 4.0 x8
P1_NVME0
DIMMF1
DIMME1
DIMMH1
DIMMG1
DIMMC1
DIMMD1
DIMMA1
DIMMB1
JPDB1
BAR CODE
VGA
LAN6 LAN5
LAN3/4 LAN1/2
IPMI LAN
USB4/5 (3.0)
JBM2
CPU
JPFR2
JPFR3
JPFR1
JCPLD1
J19
JIPMB1
JNVI2CI
SRW3
JMD1
JADV1
S-SGPIO1
MH9
S-SATA0
S-SATA1
FANB
FANA
J18
JF1
MH2
FAN4 FAN3
JVR1
FAN2 FAN1
MH5
JPV1
MH7
JPH1
JPW1
JPI2C1
JPL2
JLANLED1_1
JLANLED1
MAC CODE
JGP1
CPU1 SLOT6 PCI-E 4.0 x16
SRW4
BT1
SFP2 SFP1
CPU1 SLOT4 PCI-E 4.0 x16
JBT1
JSTBY1
Intel PCH
621A
MH3
MH4
MH6
JSLIM1
MH8
JTS1
JPL1
JPT1
JSLIM2
PCIe 4.0 x4
1
1. LAN Port LED for RJ45
2. LAN Port LED for SFP28
SFP28 LAN LEDs
Two 25G/10G LAN ports (LAN5/LAN6) that support SFP28 are also located on the rear I/O
panel. Refer to the tables below for more information.
LAN Activity LED (Left)
LED State
Color Status Denition
Yellow Flashing Active
LAN Link LED (Right)
LED State
LED Color Denition
Green 25Gbps
Yellow 10Gbps
2