HDD LED/UID Switch
The HDD/UID LED connection is lo-
cated on pins 13 and 14 of JF1. Attach
a hard drive LED cable here to display
disk activity status (for any hard drive
activities on the system, including
Serial ATA activities). Connect a UID
switch cable to use UID switch con-
nection. The front UID switch works
in conjunction with UID LED located at
Pins 7/8. Refer to Page 2-18 for more
UID switch/LED information. See the
table on the right for pin definitions.
NIC1/NIC2 LED Indicators
The NIC (Network Interface Control-
ler) LED connection for GLAN port 1 is
located on pins 11 and 12 of JF1, and
the LED connection for GLAN Port 2
is on Pins 9 and 10. Attach the NIC
LED cables to display network activity.
Refer to the table on the right for pin
definitions.
X8DTU/-F
Rev. 2.01
B
C
Blue+(OH/Fan Fail/PWR
Fail/Blue_UID LED
2-23
Chapter 2: Installation
HDD LED/UID Switch
Pin Definitions (JF1)
Pin#
Definition
13
UID Switch/3,3V
14
HDD Active
GLAN1/2 LED
Pin Definitions (JF1)
Pin#
Definition
9/11
NIC Activity
10/12
NIC Link
A. HDD LED/UID Switch
B. NIC1 LED
C. NIC2 LED
20
19
Ground
Key
FP PWR LED
A
HDD LED
NIC1 (Link) LED
NIC2 (Link) LED
PWR Fail LED
Ground
Ground
2
1
NMI
Key
3.3V
ID_UID/3.3V SB
NIC1 (Activity) LED
NIC2 (Activity) LED
Red+(Blue LED_
Cathode_UID)
3.3 V
Reset
Reset Button
Power Button
PWR