Dell OptiPlex 960 Technology Guide - Page 39
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DELL™ OPTIPLEX™ 960 TECHNICAL GUIDE OptiPlex 960 DT Component CPU Memory HDD (#, capacity) RMSD Graphics Adapter Quiet Configuration Typical Configuration E8400 E8400 2 GB DDR2 800 MHz 2 GB DDR2 800 MHz 80 GB 2.5" 7200 RPM 160 GB 3.5" 7200 RPM SATA2 SATA2 DVD +/- RW DVD +/- RW Intel G45 Integrated Adapter AMD HD3450 High-end Configuration Q9450 4 GB DDR2 800 MHz 250 GB 3.5" 7200 RPM SATA2 DVD +/- RW AMD HD3470 The Declared Noise Emission in accordance with ISO 9296 for the Dell Optiplex 960 DT is as follows1: (all values LWAd expressed in bels2; 1 bel=10 decibels, re 10-12 Watts) Operating Mode Idle Quiet Configuration Declared Sound Power (LWAd) 3.0 Typical Configuration Declared Sound Power (LWAd) 3.6 High-end Configuration Declared Sound Power (LWAd) 3.5 HDD Operating 3.0 3.6 3.6 ODD Operating 5.3 5.4 5.2 90% CPU 3.0 3.6 3.6 The Declared A-weighted Sound Pressure Level in decibels (re 2x10-5 Pa), at Operator, Bystander, and Desk Side Positions are measured in accordance with ISO 7779 7.6.1, 7.6.2, and C.15.2 and declared in accordance with ISO 9296 for this product is as follows1: Operating Quiet Configuration Standard Configuration Mode Declared Sound Pressure (LpA) Declared Sound Pressure (LpA) High-end Configuration Declared Sound Pressure (LpA) Operator Bystander DeskSide Operator Bystander D e s k S i d e Operator Bystander D e s k S i d e Position P o s i t i o n Posi tion Posi tion P o s i t i o n P o s i t i o n Position P o s i t i o n P o s i t i o n (LpA) (LpA) (LpA) (LpA) (LpA) (LpA) (LpA) (LpA) (LpA) Idle 20 18 18 28 23 21 28 23 22 HDD Operating 21 18 17 28 23 21 28 23 22 ODD Operating 42 39 36 45 40 41 44 38 36 90% CPU 21 18 16 28 23 21 28 23 23 1 All tests are conducted according to ISO 7779 and declared according to ISO 9296 except 90% CPU. For this mode, the system CPU was stressed at 90% utilization with no other peripheral device spinning. This test mode is not specified in ISO 7779, but was m2 easured using the same microphone distances and measurement techniques defined for the other reported operating modes. Declared Sound Power rounded to nearest tenth of a bel per ISO 9296 section 4.4.2 39