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External Connectors Audio: Back panel one line-out connector one line-in connector/microphone Network two RJ45 connectors Serial two 9-pin connector; 16550C-compatible USB 2.0: Front panel two connectors Back panel four connectors one 24 V powered connector Video one 15-pin VGA connector one DisplayPort connector DVI with add-on graphics card only NOTE: Video connectors vary depending on the graphics card selected. System Board Connectors PCI 2.3 - data width 32 bits: Desktop two 120-pin connectors Small Form Factor one 120-pin connector PCI Express x16 - data width 16 PCI Express lanes: Desktop one 164-pin x16 connector Small Form Factor one 164-pin (x16) connector PCI Express x1- Data width one PCI- Express lane: Desktop one 36-pin connector Small Form Factor N/A Serial ATA: Desktop three 7-pin connectors Small Form Factor three 7-pin connectors Memory four 240-pin connectors Internal USB device one 10-pin connector (supports two USB ports) Processor fan one 5-pin connector Hard-drive fan one 5-pin connector Front panel control one 40-pin connector Processor one 775-pin connector Power 12 V one 4-pin connector Power one 24-pin connector Controls and Lights Front of the computer: Power button light solid blue light — indicates power-on state blinking blue light — indicates sleep state of the computer solid amber light — indicates a problem with the system board or power supply blinking amber light — indicates a problem with the system board Drive activity light displays the SATA hard drive or optical drive activity blue light — indicates that the computer is reading data from or writing data to the drive Network connectivity light blue light — indicates that a good connection exists between the network and the computer off — indicates that the computer is not detecting a physical connection to the network Diagnostic lights four lights located on the front panel of the computer Wi-Fi® connectivity light blue light — indicates that a good connection exists between the network and the computer off — indicates that the computer is not detecting a connection to the network Back of the computer: Link integrity light on integrated network adapter green — a 10 Mbps connection exists between the network and the computer orange — a 100 Mbps connection exists between the network and the computer yellow — a 1000 Mbps connection exists between the network and the computer off (no light) — the computer is not detecting a physical connection to the network Network activity light on integrated network adapter yellow light — indicates that network activity is present Power DC power supply: Wattage: Desktop (EPA) 300 W Small Form Factor (EPA) 280 W Maximum heat dissipation: Desktop (EPA) 1204 BTU/hr Small Form Factor (EPA) 1124 BTU/hr Voltage: Desktop (EPA) 100-240 VAC, 50/60 Hz, 6.0 A Small Form Factor (EPA) 100-240 VAC, 50/60 Hz, 5.0 A NOTE: Heat dissipation is calculated using the power-supply wattage rating. NOTE: See the safety information that shipped with your computer for important voltage-setting information. Coin-cell battery 3 V CR2032 lithium coin cell Physical Height: Desktop 10.93 cm (4.30 inches) Small Form Factor 8.52 cm (3.35 inches) Width: Desktop 39.65 cm (15.60 inches) Small Form Factor 28.96 cm (11.40 inches) Depth: Desktop 34.90 cm (13.70 inches) Small Form Factor 32.36 cm (12.74 inches) Weight (Minimum): Desktop 9.38 kg (20.68 lbs) Small Form Factor 6.48 kg (14.29 lbs) Environmental temperature: Operating 10 °C to 45 °C (50 °F to 113 °F) Storage –40 °C to 60 ° C (–40 °F to 140 °F) Relative humidity 20% to 80% (non-condensing) Maximum vibration: Operating random vibe 5 ~500 Hz, 0.26 Grms, two sides Back to Contents Page Storage random vibe 5 ~500 Hz, 2.2 Grms, six sides Maximum shock: Operating HALF SN 40 G/2 ms, two sides Storage HALF SN 105 G/2 ms, six sides Altitude: Operating below 3048 m (10,000 ft) (42 °C at 10,000 ft) Storage below 10,668 m (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™ XE Service Manual—Small Form Factor Back to Contents Page 1 processor power connector (12VPOWER) 2 processor connector (CPU) 3 memory module connectors (DIMM_4) 4 memory module connectors (DIMM_2) 5 memory module connectors (DIMM_3) 6 memory module connectors (DIMM_1) 7 battery socket (BATTERY) 8 password jumper (PSWD) 9 SATA drive connectors (SATA0) 10 SATA drive connectors (SATA1) 11 SATA drive connectors (SATA2) 12 thermal sensor connector (back) 13 front-panel connector (FRONTPANEL) 14 external power USB connector 15 internal USB connector 16 power connector (POWER) 17 serial port jumper (J3 and J4) 18 power connector (24V POWER) 19 serial port jumper (J1 and J2) 20 PCI Express x16 card connector (SLOT1) 21 PCI card connectors (SLOT2) - half height 22 intruder switch cable connector (INTRUDER) 23 RTC reset jumper (RTCRST) 24 internal buzzer (SPKR) 25 fan connector (FAN_HDD) 26 speaker connector (INT_SPKR) 27 thermal se...