Chapter 2: Installation
Overheat (OH)/Fan Fail LED
Connect an LED cable to the Front UID and OH/Fan Fail connections on pins 7 and 8 of JF1 to provide ad- vanced warnings for chassis overheat/ fan failure. Refer to the table on the right for pin definitions.
OH/Fan Fail LED
Pin Definitions (JF1)
Pin# Definition
7Vcc
8OH/Fan Fail LED
OH/Fan Fail Indicator
Status
State Definition
Off | Normal | |
On | Overheat | |
Flash- | Fan Fail | |
ing |
| |
|
|
Power Fail LED
The Power Fail LED connection is located on pins 5 and 6 of JF1. Re- fer to the table on the right for pin definitions.
PWR Fail LED
Pin Definitions (JF1)
Pin# Definition
5Vcc
6Ground
A. OH/Fan Fail & UID LEDs B. PWR Supply Fail
|
| 20 | 19 |
|
|
| Ground | NMI |
|
|
|
|
| |
|
| X | X |
|
|
| Power LED | Vcc |
|
|
| HDD LED | Vcc |
|
|
| NIC1 LED | Vcc |
|
|
| NIC2 LED | Vcc |
|
X8DAH+ Rev. 2.01 | A | OH/Fan Fail LED | Vcc |
|
|
|
| ||
| B | PWR Fail LED | Vcc |
|
|
|
| ||
|
| Ground | Reset | Reset Button |
|
| Ground | PWR | Power Button |
|
| 2 | 1 |
|
|
|
| ||