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Blinking amber light indicates a problem with the system board Power button front of chassis—push button Drive activity light displays the SATA hard drive or optical drive activity green light—blinking green light indicates that the computer is reading data from, or writing data to, from the drive Network connectivity light green light—a good connection exists between the network and the computer off (no light)—the computer is not detecting a physical connection to the network Diagnostic lights four lights located on the front/back panel of the computer. For information on the diagnostic lights, see the Service Manual available on the Dell Support website at support.dell.com/manuals Back of the computer: Link integrity light on integrated network adapter green light—Link 10 Mbps orange light—Link 100 Mbps Network activity light on integrated network adapter yellow light Power DC power supply Wattage: EPA Non-EPA Mini–tower 255 W 305 W Desktop 255 W 255 W Small form factor 235 W 235 W Maximum heat dissipation: Mini–tower 1041 BTU/hr. 1041 BTU/hr. Desktop 955 BTU/hr. 955 BTU/hr. Small form factor 938 BTU/hr. 938 BTU/hr. Voltage: Mini–tower 115/230 VAC, 50/60 Hz, 3.6/1.8 A 115/230 VAC, 50/60 Hz, 3.6/1.8 A Desktop 115/230 VAC, 50/60 Hz, 4.0/2.0 A 115/230 VAC, 50/60 Hz, 4.0/2.0 A Small form factor 115/230 VAC, 50/60 Hz, 3.5/1.8 A 115/230 VAC, 50/60 Hz, 3.5/1.8 A Coin–cell battery 3 V CR2032 lithium coin cell Back to Contents Page NOTE: Heat dissipation is calculated by using the power supply wattage rating. NOTE: See the safety information that shipped with your computer for important voltage setting information. Physical Height: Mini–tower 40.80 cm (16.10 inches) Desktop 11.40 cm (4.50 inches) Small form factor 9.30 cm (3.70 inches) Width: Mini–tower 18.70 cm (7.40 inches) Desktop 39.90 cm (15.70 inches) Small form factor 31.40 cm (12.40 inches) Depth: Mini–tower 43.30 cm (17.00 inches) Desktop 35.30 cm (13.90 inches) Small form factor 34.00 cm (13.40 inches) Weight: Mini–tower 11.70 kg (25.80 lb) Desktop 8.26 kg (18.20 lb) Small form factor 6.80 kg (15.00 lb) Environmental Temperature: Operating 10 °C to 35 °C (50 °F to 95 °F) Storage –40 °C to 65 °C (–40 °F to 149 °F) Relative humidity (noncondensing) 20% to 80% Maximum vibration: Operating 5 Hz–350 Hz at 0.0002 G2/Hz Storage 5 Hz–500 Hz at 0.001 to 0.01 G2/Hz Maximum shock: Operating 40 G +/– 5% with pulse duration of 2 msec +/– 10% (equivalent to 20 in/sec [51 cm/sec]) Storage 105 G +/– 5% with pulse duration of 2 msec +/– 10% (equivalent to 50 in/sec [127 cm/sec]) Altitude: Operating –15.2 m to 3048 m (–50 ft to 10,000 ft) Storage –15.2 m to 10,668 m (–50 ft to 35,000 ft) Airborne contaminant level G2 or lower as defined by ISA-S71.04-1985 Back to Contents Page System Board Layout Dell™ OptiPlex™ 580 Service Manual—Mini Tower Back to Contents Page 1 fan connector (FAN_CPU) 2 speaker connector (INT_SPKR) 3 processor connector (CPU) 4 processor power connector (12VPOWER) 5 memory module connectors (DIMM_1, DIMM_2, DIMM_3, and DIMM_4) 6 SATA connectors (SATA0 and SATA1) 7 front panel connector (FRONTPANEL) 8 power connector (POWER) 9 SATA connector (SATA2) 10 SATA connector (SATA3) 11 intrusion switch connector (INTRUDER) 12 coin-cell battery socket (BATTERY) 13 PCI Express x16 connector (SLOT1) 14 PCI Express x4 connector (SLOT2) 15 PCI connector (SLOT3 and SLOT4) 16 serial/ PS/2 connector (SERIAL2) Back to Contents Page System Board Dell™ OptiPlex™ 580 Service Manual—Mini Tower Removing the System Board 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the memory. 3. Remove the video card. 4. Remove the heat sink. 5. Disconnect the fan cable from the system board. 6. Disconnect the processor power cable from the system board. WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at 7. Disconnect the system board power cable. 8. Disconnect the optical-drive data cable from the system board. 9. Disconnect the hard-drive data cable from the system board. 10. Disconnect the I/O-panel data cable from the system board. 11. Remove the screws that secure the heat sink assembly bracket to the system board. 12. Remove the heat sink assembly bracket from the computer. 13. Remove the screws that secure the system board to the chassis. 14. Remove the system board from the chassis. Replacing the System Board To replace the system board, perform the above steps in reverse order. Back to Contents Page Back to Contents Page Fan Dell™ OptiPlex™ 580 Service Manual—Mini Tower Removing the Fan 1. Follow the procedures in Before Working Inside Your Computer. 2. Disconnect the hard-drive power cable from the hard drive. 3. Disconnect the data cable from the hard drive. WARNING: Before working inside your computer, read the safety information that shipped with your computer. For ad...