DellDell PowerEdge R810 Technical Guide 17The Embedded Server Management logic in the system monitors the speed of the fans. A fan failureor over-temperature in the system results in a notification by iDRAC6. All system fans are pulse widthmodulated fans. Redundant cooling is supported with one fan failing at a time.4.13 34BCablingR810 cabling incorporates service loops to allow the upper front chassis to translate forward formemory access.Cables for R810 platform include: 2x30 Control Panel cableo VGA, LCD, I2C, cables for power and NMI buttons 2x6 IO power cableo Distributes +12V to IO planar from PDB. SATA data cable SAS Interface cableso SAS0 and SAS1 cables connect SAS adapter to Backplane 2x10 bundled cableso 2-wire SATA device power cableo 5-wire USB data cableo 2x7 Backplane power cable LCD cable Optional cable for Internal Dual SD module4.14 35BControl Panel/LCDThe system control panel is located on the front of the system chassis to provide user access tobuttons, display, and I/O interfaces. Features of the system control panel include: ACPI-compliant power button with an integrated green power LED (controlled by iDRAC6) 128x20 pixel LCD panel with controls:o Two navigation buttonso One select buttono One system ID button Non-Maskable Interrupt (NMI) button (recessed) Ambient temperature sensor Two external USB 2.0 connectors (with an internal USB connector and Optional Internal SDModule) 15-pin VGA connector