Chapter 1 — Introduction3QSSC-310FA/ QSSC-310LA SKU Front View1. Dummy DVD Cover QSSC-310FA SKU dummy DVD bay cover.Note:QSSC-310LA SKU has no DVD bay cutout on the front bezel.2. USB port Connect USB device to this port.3. Front ID LED / status LED • No fault: LED lights solid blue.• ID display: Flashing blue.• Displays status/errors (Amber).4. System ID button Press to light front and rear ID LEDs.5. HDD Active LED Lights for hard drive operation.6. NMI Button Push to generate a diagnostic trace and core dumps from the operatingsystem7. Power button Lights green when the system is powered on.