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 |
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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
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| 20 | 19 |
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| Ground | NMI |
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| X | X |
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| Power LED | Vcc |
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| HDD LED | Vcc |
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| NIC1 LED | Vcc |
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| NIC2 LED | Vcc |
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X8DAH+ Rev. 2.01 | A | OH/Fan Fail LED | Vcc |
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| B | PWR Fail LED | Vcc |
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| Ground | Reset | Reset Button |
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| Ground | PWR | Power Button |
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| 2 | 1 |
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