![Supermicro X12STW-F User Manual Download Page 41](http://html1.mh-extra.com/html/supermicro/x12stw-f/x12stw-f_user-manual_1404149041.webp)
41
Chapter 2: Installation
OH/Fan Fail LED
20
NIC1 Active LED
19
HDD LED
PWR LED
X
Ground
NMI
X
NIC2 Active LED
3.3V
Power Button
Reset Button
Reset
PWR
Ground
Ground
1
2
Power Fail LED
UID LED
3.3V
UID SW
3.3V Stby
3.3V Stby
NIC1/NIC2 (LAN1/LAN2)
The Network Interface Controller (NIC) LED connection for LAN port 1 is located on pins
11 and 12 of JF1, and LAN port 2 is on pins 9 and 10. Attach the NIC LED cables here to
display network activity. Refer to the table below for pin definitions.
NIC1/NIC2 LED
Pin Definitions (JF1)
Pin# Definition
9
VCC
10
NIC 2 Active LED
11
VCC
12
NIC 1 Active LED
3
HDD LED/UID Switch
The HDD LED/UID Switch connection is located on pins 13 and 14 of JF1. Attach a cable to
pin 13 to use the UID switch. Attach a cable to pin 14 to show the hard drive activity status.
Refer to the table below for pin definitions.
HDD LED/UID Switch
Pin Definitions (JF1)
Pins
Definition
13
3.3V Stdby/UID SW
14
HDD Active
1
2
1. NIC1 LED
2. NIC2 LED
3. HDD LED
4. UID Switch
4