One Stop Systems EB3200, User Manual

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One Stop Systems
ExpressBox 3200 | 4 Advanced Technical Information 46
4.2 Card and LED Indicators

Interface card is x16 mechanical, wired as x8 electrical

It is capable of operating at x16, x8 , x4 , x2 and x1 link widths

When the Amber LED (D5) is ON, the Reset is Asserted

When the Amber LED (D5) is OFF, it is de-asserted

When Interface card is being used as Host, need to set to OFF. For expansion set to ON.
Interface Card
1 Link Width LED indicators
2 SW3, dip switches for speed / lane settings
3 Reset & Power Status LEDs
4 Rx Hint and Tx presets
5 Cable ports, x8-A and x16-B
6 SW4, toggle switch for interface mode setting (host or expansion)
7 PCIe contact
8 Heatsink
During normal operation LEDs D7, D8 and D3 should be on and solid green at all times. If any of these LEDs are off it means that there is a
power problem with the unit.
LED D5 will turn on (Amber) when PCIe reset is asserted and turn off when the reset is de-asserted.
If any of the Interface cables are not connected correctly, the LED D5 will stay ON (Amber). Once the cables are connected correctly and the
expansion board is powered on and the host is turned on then the amber LED D5 should be off
.