Dell OptiPlex 780 Technical Manualbook Download

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OVERVIEW

Mini Tower Computer (MT) View

Desktop Computer (DT) View

Small Form Factor Computer (SFF) View

Ultra Small Form Factor Computer (USFF) View

MARKETING SYSTEM CON FIGURATIONS

Operating System, Chipset

Processor

Advanced System Manageability Modes, Memory

Drives and Removable Storage, System Board Connectors

10-11

Graphics/Video Controller

External Ports/Connectors

Communications—Network Adapter (NIC), Modem

Audio and Speakers, Keyboard and Mouse

Security, Service and Support, Software

DETAILED ENGINEERING SPECIFICATIONS

System Dimensions (Physical)

System Board Connector Maximum Allowable Dimensions

System Level Environmental and Operating Conditions

Power

Audio

Communications

18-22

Graphics/Video Controller

23-26

Hard Drives

27-39

Optical Drive

40-42

BIOS Defaults

43-44

Chassis Enclosure and Ventilation Requirements

Acoustic Noise Emission Information

46-49

TABLE OF CONTENTS

Summary of Contents for OptiPlex 780

Page 1: ...TECHNICAL GUIDEBOOK INSIDE THE OPTIPLEX 780 TM TM DELL OPTIPLEX 780 ...

Page 2: ...l Ports Connectors 12 Communications Network Adapter NIC Modem 13 Audio and Speakers Keyboard and Mouse 13 Security Service and Support Software 14 DETAILED ENGINEERING SPECIFICATIONS System Dimensions Physical 15 System Board Connector Maximum Allowable Dimensions 15 System Level Environmental and Operating Conditions 16 Power 17 Audio 18 Communications 18 22 Graphics Video Controller 23 26 Hard ...

Page 3: ...Network Connectivity Light 6 Hard Drive Activity Light BACK VIEW 1 Power Connector 4 Power Supply Vent 2 Back Panel Connectors 5 Chassis Lock Loop 3 Expansion Card Slots 4 6 Cover Release Latch BACK PANEL CONNECTORS 1 Parallel Connector 7 Line in Connector 2 Serial Connector 8 USB 2 0 Connectors 6 3 Link Integrity Light 9 VGA Video Connector 4 Network Connector 10 eSATA Connector 5 Network Activit...

Page 4: ...l 5 Power Button Power Light 6 Diagnostic Lights 4 BACK VIEW 1 Expansion Card Slots 3 4 Chassis Lock Loop 2 Air Vent 5 Power Connector 3 Cover Release Latch 6 Back Panel Connectors BACK PANEL CONNECTORS 1 Parallel Connector 7 Line in Connector 2 Serial Connector 8 USB 2 0 Connectors 6 3 Link Integrity Light 9 VGA Video Connector 4 Network Connector 10 eSATA Connector 5 Network Activity Light 11 Di...

Page 5: ... 5 Diagnostic Lights 4 6 Hard Drive Activity Light BACK VIEW 1 Chassis Lock Loop 4 Back Panel Connectors 2 Cover Release Latch 5 Expansion Card Slots 2 3 Power Connector BACK PANEL CONNECTORS 1 Parallel Connector 7 Line in Connector 2 Serial Connector 8 USB 2 0 Connectors 6 3 Link Integrity Light 9 VGA Video Connector 4 Network Connector 10 eSATA Connector 5 Network Activity Light 11 DisplayPort C...

Page 6: ...5 5 Power Connector 13 Network Connector 6 Line Out Connector 14 Link Integrity Light 7 Line in Microphone Connector 15 WiFi Antenna optional 8 eSATA Connector FRONT VIEW 1 Optical Drive 7 Headphone Connector 2 Power Button Power Light 8 Microphone Connector 3 Drive Activity Light 9 USB Connector 2 0 2 4 Diagnostic Lights 4 5 Network Connectivity Light 6 WiFi Activity Light optional ULTRA SMALL FO...

Page 7: ...t via Win dows 7 Professional Downgrade Rights Windows Vista Ultimate SP2 32 bit via Windows 7 Ultimate Downgrade Rights Windows XP operating system Windows XP Professional SP3 via Windows Vista Business or Ulti mate Downgrade Rights 32 bit Windows XP Professional SP3 via Microsoft Windows 7 Professional or Microsoft Windows 7 Ulti mate Downgrade Rights 32 bit Other FreeDOS for N series Ubuntu Lin...

Page 8: ...d Q9400 2 66GHz 6M 1333FSB X GSP X GSP X GSP Intel Core 2 Quad Q8400 2 66GHz 4M 1333FSB X X X Intel Core 2 Quad Q8300 2 50GHz 4M 1333FSB X X X Intel Core 2 Duo and Pentium Dual Core Processors Intel Core 2 Duo E8600 3 33GHz 6M 1333FSB X GSP X GSP X GSP X GSP Intel Core 2 Duo E8500 3 16GHz 6M 1333FSB X GSP X GSP X GSP X GSP Intel Core 2 Duo E8400 3 0GHz 6M 1333FSB X GSP X GSP X GSP X GSP Intel Core...

Page 9: ... X X X No Out of Band Systems Management X X X X MT DT SFF USFF Type DDR3 Synch DRAM Non ECC Memory 1066MHz and 1333MHz DIMM Slots 4 4 4 2 DIMM Capacities Up to 4GB Up to 4GB Up to 4GB Up to 4GB Minimum Memory 1GB 1GB 1GB 1GB Maximum System Memory 16GB1 16GB1 16GB1 8GB Memory configurations 16GB1 DDR3 1066MHz 1333MHz 4 DIMM X X X 8GB1 DDR3 1066MHz 1333MHz 2 DIMM X X X X 8GB1 DDR3 1066MHz 1333MHz 4...

Page 10: ... X X 160GB1 SATA 7200 RPM HDD X X X 2 5 Hard Drives 320GB1 SATA 7200 RPM HDD X X X X 250GB1 SATA 7200 RPM HDD X X X X 160GB1 SATA 7200 RPM HDD X X X X 250GB1 SATA Full Disk Encryption HDD X X X X 160GB1 SATA Full Disk Encryption HDD X X X X 128GB1 SATA Solid State Drive X X X X 64GB1 SATA Solid State Drive X X X X RAID 1 Data Protection includes two matching capacity speed hard drives 160GB1 SATA ...

Page 11: ...TA 1 5Gbit s DVD RW2 SATA 1 5Gbit s SATA 1 5Gbit s SATA 1 5Gbit s SATA 1 5Gbit s DVD ROM3 SATA 1 5Gbit s SATA 1 5Gbit s SATA 1 5Gbit s SATA 1 5Gbit s Media Card Reader Dell 19 in 1 Media Card Reader 480Mb s 1 For hard drives GB means 1 billion bytes actual capacity varies with preloaded material and operating environment and will be less 2 Discs burned with this drive may not be compatible with so...

Page 12: ...d DVI or DP Optional card GRAPHICS VIDEO CONTROLLER NOTE MT supports full height card DT supports low profile card or full height card with optional riser SFF supports low profile card See chassis diagrams section for port connector locations MT DT SFF USFF USB 2 0 2 Front 6 Rear 1 Internal 2 Front 5 Rear Serial 1 rear second port optional via card 1 Rear eSATA 1 Rear 1 Rear Parallel 1 Rear Networ...

Page 13: ...ia add in card Dell Wireless 1510 miniPCIe WLAN card 802 11n Optional Dell Wireless 1520 miniPCIe WLAN card 802 11n Optional via add in card COMMUNICATIONS WIRELESS MT DT SFF USFF ADI 1984A High Definition Audio Codec Integrated on system board Internal Dell Business Audio Speaker Optional Dell AX210 2 0 Desktop Speakers Optional Dell AX510 AX510PA Flat Panel Soundbar Speakers Optional Dell AY410 ...

Page 14: ... DT SFF USFF 3 Year Warranty1 Next Business Day On site2 3 3 3 Standard ProSupport Optional 1 For a copy of our guarantees or limited warranties please write Dell USA L P Attn Warranties One Dell Way Round Rock TX 78682 For more information visit www dell com warranty 2 Service may be provided by third party Technician will be dispatched if necessary following phone based troubleshooting Subject t...

Page 15: ...meters HxWxD Height inches centimeters 22 38 56 85 20 63 52 4 20 88 50 04 18 69 47 5 Width inches centimeters 22 25 56 52 20 31 51 59 19 38 49 23 15 75 40 0 Depth inches centimeters 14 25 36 2 11 75 29 85 10 63 27 7 75 19 7 MT DT SFF USFF PCI Slots 2 2 1 Height inches centimeters 4 376 11 115 2 731 6 89 Length inches centimeters 7 4 18 796 6 6 16 764 PCIe x16 Slots 1 1 1 Height inches centimeters ...

Page 16: ...non condensing Maximum vibration Operating 0 25 G at 3 to 200 Hz at 0 5 octave min Non Operating 0 5 G at 3 to 200 Hz at 1 octave min Maximum Shock Operating Bottom half sine pulse with a change in velocity of 50 8 cm sec 20 inches sec Non Operating 27 G faired square wave with a velocity change of 508 cm sec 200 inches sec Maximum Altitude Operating 15 2 to 3048 m 50 to 10 000 ft Non Operating 15...

Page 17: ...gy Star 5 0 Com pliant 87 90 87 20 50 100 load 87 90 87 20 50 100 load 87 90 87 20 50 100 load 87 90 87 20 50 100 load Typical Efficiency Active PFC 65 65 65 N A DC parameters 3 3v output 8 0A 8 0A 7 0 A 7 0 A 5A 5A N A 5 0v output 16A 16A 15A 15A 16A 16A N A 12 0v output 12vA 15A 12VB 10A 12VA 13A 12VB 7A 18A 18A 17A 17A 12VA 9 0 A 12VB 7 0 A Note 12VB Rated at 0 4A when in Standby Mode 5 0v auxi...

Page 18: ...ker Power Rating 2W INTEGRATED INTEL 82567 GIGABIT1 ETHERNET LAN 10 100 1000 MT DT SFF USFF External Connector Type RJ45 Data Rates supported 10 100 1000 Mbps Controller Details Controller bus architecture example PCIe 1 0a x1 Intel Gigabit LAN Connect Interface GLCI and LAN Connect Interface LCI Integrated memory N A Data transfer mode example Bus Master DMA N A Power consumption full operation p...

Page 19: ...T SFF USFF Connector Type RJ45 Data Rates supported 10 100 1000 Mbps Half Full duplex Controller Details Controller bus architecture example PCIe 1 0a x1 PCIe c1 0a x1 Integrated memory 64KBytes RX 8KBytes TX Data transfer mode example Bus Master DMA Bus Master DMA Power consumption full operation per data rate connection speed 2 84W 860mA 3 3V Power consumption standby operation Less than 300mW I...

Page 20: ...RJ 11 Data Transmission PCM Pulse Coded Modulation V 92 V 90 TCM Trellis Coded Modulation V 90 V 34 V 32 bis V 32 Data Speeds 56kbps receive 48kbps transmit Data Standards ITU V 92 V 90 V 34 V 32 bis V 32 Fax Speeds 14 4kbps Fax Mode Capabilities 2 wire half duplex synchronous Error Correction and Data Compression V 44 V 42 V 42bis MNP 2 4 MNP 5 Power Management WOR wake on ring capable Upgradeabi...

Page 21: ...yption WEP 64 bit and 128 bit TKIP AES CCMP 128 bit Operating temperature 0 to 70 C Operating humidity Max Operating Humidity 85 Operating System Driver Support Windows 7 Windows XP 32 64 Vista 32 64 DELL WIRELESS 1510 PCIE MINI PCIE WLAN CARD 802 11N USFF External Connector Type Custom WLAN Antenna Connector Controller Details Controller bus architecture Electrically compatible with the PCI Expre...

Page 22: ...ification v1 1 x1 lane and PCIe v1 0a WLAN standards supported 802 11a 802 11b 802 11g 802 11n 802 11b Data Rates supported 11 5 5 2 1 Mbps 802 11a Data Rates supported 54 48 36 24 18 12 9 6 Mbps 802 11g Data Rates supported 54 48 36 24 18 12 9 6 Mbps 802 11n Data Rates supported 300 270 243 240 180 150 144 135 130 120 117 115 5 90 86 667 72 2 65 60 57 8 45 43 3 30 28 9 21 7 15 14 4 7 2 Mbps Encry...

Page 23: ... only External Connectors VGA DisplayPort Environmental Operating Conditions Non Condensing Operating Temperature Range 0 to 106 C 32 to 223 F Relative Humidity Range 20 to 80 non condensing Altitude Range 15 2 to 3048 m 50 to 10 000 ft DisplayPort Bus Type AUX 1 2 4 lanes Maximum supported resolution Up to 2560x1600 60Hz Maximum power consumption N A External connectors DisplayPort DVI Digital Ad...

Page 24: ... Conditions Non Condensing Operating Temperature Range 10 50 C Relative Humidity Range 5 90 RH Altitude Range 0 20 000 ft 512MB AMD RADEON HD 4550 GRAPHICS DUAL DVI OR VGA AND TV OUT MT DT SFF Bus Type example integrated or PCIe x16 PCIEx16 GPU core clock 540Mhz Frame Buffer Memory onboard and shared Size and Speed 500Mhz Maximum power consumption 25W Overlay Planes Yes Maximum Color Depth 32 bit ...

Page 25: ... 764 x 8 5 Environmental Operating Conditions Non Condensing Operating Temperature Range 10 50 C Relative Humidity Range 5 90 RH Altitude Range 0 20 000 ft 256MB NVIDIA GEFORCE 9300 GE MT DT SFF Bus Type example integrated or PCIe x16 PCIEx16 GPU core clock 540Mhz Frame Buffer Memory onboard and shared Size and Speed 500Mhz Maximum power consumption 25W Overlay Planes Yes Maximum Color Depth 32 bi...

Page 26: ...ing Conditions Non Condensing Operating Temperature Range 10 50 C Relative Humidity Range 5 90 RH Altitude Range 0 20 000 ft 512MB NVIDIA QUADRO NVS 420 MT DT SFF Bus Type example integrated or PCIe x16 PCIEx16 GPU core clock 550Mhz Frame Buffer Memory onboard and shared Size and Speed 512MB 700Mhz Maximum power consumption 40W Overlay Planes Yes Maximum Color Depth 32 bit Maximum Vertical Refresh...

Page 27: ... C to 600 C Relative Humidity Range 20 to 80 non condensing Maximum Wet Bulb Temperature 290 C Altitude Range 50 ft to 10000 ft Environmental Non Operating Conditions Non Condensing Temperature Range 400 C to 650 C Relative Humidity Range 10 to 90 non condensing Maximum Wet Bulb Temperature 380 C Altitude Range 50 ft to 35000 ft 3 5 250GB SATA 7200 RPM HDD Capacity bytes 250 059 350 016 Dimensions...

Page 28: ...7200 RPM HDD Capacity bytes 320 072 933 376 Dimensions inches W x D x H 5 87 x 4 x 1 Interface type and Maximum speed Up to 3Gb s Internal buffer size 16 MB Average Seek Time 8 5 ms Rotational Speed 7200 rpm Logical Blocks 625 142 448 Power Source DC Power Max Idle 7 0W Active 10 0W DC Current 5V 8A and 12V 1 8A Environmental Operating Conditions Non Condensing Temperature Range 50 C to 600 C Rela...

Page 29: ...locks 976 773 168 Power Source DC Power Max Idle 7 0W Active 10 0W DC Current 5V 8A and 12V 1 8A Environmental Operating Conditions Non Condensing Temperature Range 50 C to 600 C Relative Humidity Range 20 to 80 non condensing Maximum Wet Bulb Temperature 290 C Altitude Range 50 ft to 10000 ft Environmental Non Operating Conditions Non Condensing Temperature Range 400 C to 650 C Relative Humidity ...

Page 30: ...ocks 1 953 525 168 Power Source DC Power Max Idle 7 0W Active 10 0W DC Current 5V 8A and 12V 1 8A Environmental Operating Conditions Non Condensing Temperature Range 50 C to 600 C Relative Humidity Range 20 to 80 non condensing Maximum Wet Bulb Temperature 290 C Altitude Range 50 ft to 10000 ft Environmental Non Operating Conditions Non Condensing Temperature Range 400 C to 650 C Relative Humidity...

Page 31: ...densing Temperature Range 400 C to 650 C Relative Humidity Range 10 to 90 non condensing Maximum Wet Bulb Temperature 380 C Altitude Range 50 ft to 35000 ft 3 5 80GB SATA 10000 RPM HDD Capacity bytes 80 026 361 856 Dimensions inches W x D x H 5 87 x 4 x 1 includes sled Interface type and Maximum speed Up to 3Gb s Internal buffer size 16 MB Average Seek Time 4 6 ms average read Rotational Speed 10 ...

Page 32: ...000 rpm Logical Blocks 312 581 808 Power Source DC Power Max Idle 7W Active 10W DC Current 5V 8A and 12V 1 8A Environmental Operating Conditions Non Condensing Temperature Range 50 C to 600 C Relative Humidity Range 20 to 80 non condensing Maximum Wet Bulb Temperature 290 C Altitude Range 50 ft to 10000 ft Environmental Non Operating Conditions Non Condensing Temperature Range 400 C to 650 C Relat...

Page 33: ... 1 0W Active 3 25W DC Current 5V 8A Environmental Operating Conditions Non Condensing Temperature Range 50 C to 600 C Relative Humidity Range 20 to 80 non condensing Maximum Wet Bulb Temperature 290 C Altitude Range 50 ft to 10000 ft Environmental Non Operating Conditions Non Condensing Temperature Range 400 C to 650 C Relative Humidity Range 10 to 90 non condensing Maximum Wet Bulb Temperature 38...

Page 34: ...dle 1 0W Active 3 25W DC Current 5V 8A Environmental Operating Conditions Non Condensing Temperature Range 50 C to 600 C Relative Humidity Range 20 to 80 non condensing Maximum Wet Bulb Temperature 290 C Altitude Range 50 ft to 10000 ft Environmental Non Operating Conditions Non Condensing Temperature Range 400 C to 650 C Relative Humidity Range 10 to 90 non condensing Maximum Wet Bulb Temperature...

Page 35: ... 0 5ms 1 500G Environmental Non Operating Conditions Non Condensing Temperature Range 55 C to 95 C Relative Humidity Range 5 to 95 Maximum Wet Bulb Temperature 38 C Altitude Range 200 to 10 600 m 2 5 64GB1 SATA SOLID STATE DRIVE Capacity bytes 64 023 257 088 Dimensions inches W x D x H 3 94 x 2 75 x 0 374 Interface type and Maximum speed Up to 3Gb s MTBF 1M hours Average Seek Time n a Performance ...

Page 36: ... 5ms 1 500G Environmental Non Operating Conditions Non Condensing Temperature Range 55 C to 95 C Relative Humidity Range 5 to 95 Maximum Wet Bulb Temperature 38 C Altitude Range 200 to 10 600 m 2 5 128GB1 SATA SOLID STATE DRIVE Capacity bytes 128 035 676 160 Dimensions inches W x D x H 3 94 x 2 75 x 0 374 Interface type and Maximum speed Up to 3Gb s MTBF 1M hours Average Seek Time n a Performance ...

Page 37: ...ternal buffer size 16 MB Average Seek Time 12 ms Read Rotational Speed 7200 rpm Logical Blocks 312 581 808 Power Source DC Power Max Idle 1 0W Active 3 25W DC Current 5V 8A Environmental Operating Conditions Non Condensing Temperature Range 50 C to 600 C Relative Humidity Range 10 to 90 non condensing Maximum Wet Bulb Temperature 290 C Altitude Range 50 ft to 10000 ft Environmental Non Operating C...

Page 38: ...ternal buffer size 16 MB Average Seek Time 12 ms Read Rotational Speed 7200 rpm Logical Blocks 488 397 168 Power Source DC Power Max Idle 1 0W Active 3 25W DC Current 5V 8A Environmental Operating Conditions Non Condensing Temperature Range 50 C to 600 C Relative Humidity Range 10 to 90 non condensing Maximum Wet Bulb Temperature 290 C Altitude Range 50 ft to 10000 ft Environmental Non Operating C...

Page 39: ...ternal buffer size 16 MB Average Seek Time 12 ms Read Rotational Speed 7200 rpm Logical Blocks 625 142 448 Power Source DC Power Max Idle 1 0W Active 3 25W DC Current 5V 8A Environmental Operating Conditions Non Condensing Temperature Range 50 C to 600 C Relative Humidity Range 10 to 90 non condensing Maximum Wet Bulb Temperature 290 C Altitude Range 50 ft to 10000 ft Environmental Non Operating C...

Page 40: ... RH 20 to 80 RH 20 to 80 RH Maximum Wet Bulb Tem perature 29C 29C 29C 29C Altitude Range 200 to 3048 200 to 3048 200 to 3048 200 to 3048 Environmental Non Operating Conditions Non Condensing Operating Temperature Range 40C to 65C 40C to 65C 40C to 65C 40C to 65C Relative Humidity Range 5 to 95 RH 5 to 95 RH 5 to 95 RH 5 to 95 RH Maximum Wet Bulb Tem perature 38C 38C 38C 38C Altitude Range 200 to 1...

Page 41: ...mm 0 5 in 126 1mm 4 97in Weight max pounds kilograms 750g 750g 165g 165g Interface type and speed SATA 1 5Gbit s SATA 1 5Gbit s SATA 1 5Gbit s SATA 1 5Gbit s Disc Capacity Standard Standard Standard Standard Internal buffer size supplier dependent supplier dependent supplier dependent supplier dependent Access Times typical supplier dependent supplier dependent c supplier dependent Maximum Data Tr...

Page 42: ...es 6X BD 16x DVD 40x CD 6x BD 16x DVD 40x CD 6X BD 8x DVD 24x CD 6X BD 8x DVD 24x CD Reads 8X BD 16x DVD 40x CD 8x BD 16x DVD 40x CD 6X BD 8x DVD 24x CD 6X BD 8x DVD 24x CD Power Source DC Power Requirements 12V 5V 12V 5V 5V 5V DC Current 1200mA 12V 900mA 5V 1200mA 12V 900mA 5V 900mA 900mA Environmental Operating Conditions Non Condensing Operating Temperature Range 5C to 50C 5C to 50C 5C to 50C 5...

Page 43: ...ble Rear Quad USB Enable Rear Dual USB Enable PCI Slots Enable Audio Enable Video Primary Video Auto Performance Multiple CPU Core Enable Intel SpeedStep Disable unless the customer purchased a SpeedStep capable processor C States Control Disable Limit CPUID Value Disable HDD Acoustic Mode Bypass Virtualization Support Virtualization Disable VT for Direct I O Disable Security Administrator Passwor...

Page 44: ...On Time Disable Low Power Mode Disable Remote Wake Up Disable Suspend Mode S3 Fan Control Override Disable Maintenance Service Tag Set by the factory Asset Tag Optional User Entry SERR Message Enable Post Behavior Fast Boot Enable Numlock LED Enable POST HotKeys Enable Keyboard Errors Enable MEBx HotKey Enable ...

Page 45: ...w required for proper ventilation REGULATORY COMPLIANCE AND ENVIRONMENTAL Product related conformity assessment and regulatory authorizations including Product Safety Electromagnetic Compatibility EMC Ergonomics and Communication Devices relevant to this product may be viewed at www dell com regulatory_compliance The Regulatory Datasheet for this product is located at http www dell com regulatory_...

Page 46: ...6 1 7 6 2 and C 15 2 and declared in accordance with ISO 9296 for this product is as follows1 Operating Mode Typical Configuration Declared Sound Pressure LpA High end Configuration Declared Sound Pressure LpA Table Top Floor Standing Table Top Floor Standing Operator Position LpA Bystander Position LpA Operator Position LpA Bystander Position LpA Operator Position LpA Bystander Position LpA Opera...

Page 47: ...ing modes 2 Declared Sound Power rounded to nearest tenth of a bel per ISO 9296 section 4 4 2 Operating Mode Typical Configuration Declared Sound Power LWAd High end Configuration Declared Sound Power LWAd Idle 3 7 N A HDD Operating 3 7 N A 90 CPU 4 1 N A ODD Operating 5 1 N A Operating Mode Typical Configuration Declared Sound Pressure LpA High end Configuration Declared Sound Pressure LpA Table ...

Page 48: ...eported operating modes 2 Declared Sound Power rounded to nearest tenth of a bel per ISO 9296 section 4 4 2 Operating Mode Typical Configuration Declared Sound Power LWAd High end Configuration Declared Sound Power LWAd Idle 3 8 N A HDD Operating 3 7 N A 90 CPU 4 1 N A ODD Operating 4 8 N A Operating Mode Typical Configuration Declared Sound Pressure LpA High end Configuration Declared Sound Press...

Page 49: ...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 actively seeking This test mode is not specified in ISO 7779 but was measured using the same microphone distances and measurement techniques defined for the other reported operating modes 2 Declared Sound Power ...

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