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The LEDs on the controller indicate SCSI activity, data transfer, power status, PCI bus frequency, and reset mode.
LED Description
| A |
Indicates SCSI activity on channel A. |
| B |
Indicates SCSI activity on channel B. |
| T |
T Indicates data transfer to the controller's cache memory. |
| S |
S When illuminated, the controller's IOP is in reset mode. |
| P |
When illuminated, the controller is powered on. |
| P66 |
When illuminated, PCI bus frequency is 66Mhz. When not illuminated, PCI bus frequency is 33Mhz | |
This applies to:
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