Chapter 5: Advanced Serverboard Setup
5-15
Overheat/Fan Fail/UID LED
Connect an LED to pins 7 and 8 of JF1
to provide UID signals and advanced
warning of chassis overheating. Re-
fer to the table on the right for pin
de nitions.
HDD LED/UID Switch
The HDD LED and UID switch con-
nections are located on pins 13 and 14
of JF1. Attach a cable here to indicate
HDD activity or UID (Unit Identi ca-
tion) status. See the table on the right
for pin de nitions.
OH/Fan Fail/UID LED
Pin De nitions (JF1)
Pin# De nition
7 Vcc/UID LED
8 OH/Fan Fail LED
NIC2 LED
Pin De nitions (JF1)
Pin# De nition
9 Vcc
10 Ground
HDD LED
Pin De nitions (JF1)
Pin# De nition
13 Vcc
14 HD Active
NIC2 (JLAN2) LED
The LED connections for JLAN2 are
on pins 9 and 10 of JF1. Attach an
LED cable to display network activ-
ity. See the table on the right for pin
de nitions.
NIC1 LED
Pin De nitions (JF1)
Pin# De nition
11 Vcc
12 Ground
NIC1 (JLAN1) LED
The LED connections for JLAN1 are
on pins 11 and 12 of JF1. Attach an
LED cable to display network activ-
ity. See the table on the right for pin
de nitions.
OH/Fan Fail Indicator
Status
State De nition
Off Normal
On Overheat
Flashing Fan Fail
Power On LED
The Power On LED connector is lo-
cated on pins 15 and 16 of JF1 (use
JLED for a 3-pin connector). This
connection is used to provide LED
indication of power being supplied to
the system. See the table on the right
for pin de nitions.
Power LED
Pin De nitions (JF1)
Pin# De nition
15 5V Stby
16 Control