Dell OptiPlex 755 User's Guide - Page 37
Drives, Connectors, Key Combinations, Windows Security, Boot Sequence - pci serial port windows 7
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Drives Internally accessible Externally accessible • Two SATA (Serial ATA) hard drives • One3.5-inch floppy drive or media reader • Two SATA optical drives One eSATA drive (optional) Connectors External connectors: Serial Parallel Video Network adapter Optional PS/2 with secondary serial port adapter USB Audio System board connectors: SATA eSATA Floppy drive Serial Fan PCI 2.2 PCI Express Front panel 9-pin connector; 16550C-compatible 25-pin connector (bidirectional) 15-pin VGA connector RJ45 connector two 6-pin mini-DINs two front-panel and six back panel USB 2.0-compliant connectors two connectors for line-in/ microphone and line-out; two frontpanel connectors for headphones and microphone four 7-pin connectors one 7-pin connector 34-pin connector 12-pin connector for optional second PS/2 serial port card 5-pin connector three 120-pin connectors one 120-pin (x16) connector 40-pin connector Key Combinations or In Microsoft® Windows® XP, brings up the Windows Security window. If in MS-DOS® mode, restarts (reboots) the computer. starts embedded system setup (during start-up only) automatically starts the computer from the network environment specified by the remote boot environment (PXE) rather than from one of the devices in the system setup Boot Sequence option (during start-up only) Mini Tower Specifications 37