Nvidia MS-7374 - Manual (Page 39)

2-25
Hardware Setup
LED Status Indicators
L
E
D
4
L
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5
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E
D
6
L
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7
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8
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9
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1
0
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1
1
LED15
LED1
LED2
LED3
LED12
LED13
LED14 LED16
Name Status
LED1 Lights when the 12V power conn. is not connected.
LED2 Lights when PCI_E1 slot is functional.
LED3 Lights when PCI_E2 slot is functional.
LED12 Lights when PCI_E3 slot is functional.
LED13 Lights when PCI1 slot is functional.
LED14 Lights when PCI2 slot is functional.
LED15 Lights when system is power-on.
LED16 Lights when system is on standby mode.