Chapter 2: Installation
Reset Button
The Reset Button connection is located on pins 3 and 4 of JF1. Attach it to a hardware reset switch on the computer case. Refer to the table on the right for pin definitions.
Power Button
The Power Button connection is located on pins 1 and 2 of JF1. Momentarily contacting both pins will power on/off the system. This button can also be configured to function as a suspend button (with a setting in the BIOS
-see Chapter 4). To turn off the power when set to suspend mode, press the button for at least 4 seconds. Refer to the table on the right for pin definitions.
Reset Button
Pin Definitions (JF1)
Pin# Definition
3Reset
4Ground
Power Button
Pin Definitions (JF1)
Pin# Definition
1PWR
2Ground
LE4
J11 | SW1 |
| |
JWD1 JSPK1 | JNMI1 J_UID_OW | ||
SBX 1A | |||
|
| JPCIE3 | |
|
|
VGA | COM1 |
| LAN2 | LAN1 | USB0/1 |
|
LE2 | IPMB |
|
| J12 |
|
| IPMI_LAN | SBX | |
Winbond | JLPC80 |
| PHY | 2A |
| Intel |
| ||
450R | JPG1 JPL1 |
|
| |
BMC | 82576 |
| + | |
|
| LAN CTRL |
|
|
| CMOS |
| CLEAR |
Intel |
|
ICH10R | BIOS |
(South Bridge) | Intel |
| 5520 |
|
A. Reset Button B. PWR Button
| JPCIE1 | |
SBX 1B | USB2/3 | |
|
| |
|
| |
|
| |
|
| |
FAN8 |
|
|
FAN7
X8DTG-DF
X8DTG-DF
| P2 | P2 | P2 | P2 | P2 | P2 |
CPU2 | DIMM1B | DIMM1A | DIMM2B | DIMM2A | DIMM3B | DIMM3A |
|
|
|
|
|
|
JBAT1
Battery
JPCIE2 SBX 2B
Ground
Key
Power LED 
HDD LED
NIC1(Link) LED
NIC2 (Link) LED 
No Connection
Key
3.3V
FP UID Switch/3.3V SB
NIC1 (Activity) LED
NIC2 (Activity) LED
JPW1 | P1DIMM3A | P1DIMM3B | P1DIMM2A |
|
|
| |
FAN4 |
|
|
|
JPI2C (PWR I2C)
P1 DIMM2B
P1 DIMM1A
P1 DIMM1B
CPU1 |
FAN3
FAN6 FAN5 |
|
Front PanelCTRL |
|
LE1 |
|
JPW2 |
|
JPW3 |
|
FAN1 |
|
FAN2 | 4 |
JL1 | 1 |
|
OH/Fan Fail/PWR
Fail/UID LED
PWR Fail LED 
Ground
Ground
2 1
Blue_LED_Cathode (UID)/5V SB
3.3V
Reset | Reset Button A |
PWR | Power Button B |