Dell OptiPlex 755 - Manual (Page 38)

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Dell™ optiplex™ 755 technical guiDe
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BIOS FACTORY DEFAULTS (ALL CHASSIS UNLESS NOTED)
Feature Setting Default Value
DRIVES
SATA-0: Depends on chassis and HDDs installed
SATA-1: Depends on chassis and HDDs installed
SATA-2 1 : Depends on chassis and HDDs installed
SATA-3 2 : Depends on chassis and HDDs installed
External SATA 3,4 : On
SATA Operation: RAID Autodetect/AHCI
SMART Reporting: Off
ONBOARD DEVICES
Integrated NIC: On
Integrated Audio: On
USB Controller: On
Rear Quad USB: On
Rear Dual USB: On
Front USB: On
PCI Slots 3 : On
LPT Port Mode: PS/2
LPT Port Address: 378h
Serial Port #1: Auto
VIDEO
Primary Video 3 : Auto
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