IBM 2254 Hardware Maintenance Manual page 12

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Expansion
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Power
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Security features
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IBM preinstalled software
Your computer might come with preinstalled software. If it does, an operating system,
device drivers to support built-in features, and other support programs are included.
Operating systems (supported)
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Operating systems (tested for compatibility)
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1.The operating systems listed here are being tested for compatibility at the time this publication goes to press. Additional operating
systems might be identified by IBM as compatible with your computer following the publication of this booklet. Corrections and
additions to this list are subject to change. To determine if an operating system has been tested for compatibility, check the Web site of
the operating system vendor.
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IBM : Hardware Maintenance Manual
PS/2 keyboard connector
Ethernet connector
Monitor connector
Three audio connectors (line in, line out, and microphone)
Front connectors on some small desktops (S/PDIF, microphone, and headphone)
Front IEEE 1394 connector (some small desktop models)
Drive bays
— Small desktop model: Three
— Desktop model: Four
— Microtower model: Four
32-bit PCI expansion slots
— Small desktop model: Three (expansion cards must be low profile)
— Desktop model: Three
— Microtower model: Three
95 W, 120 W, or 155 W power supply with manual voltage selection switch
Automatic 50/60 Hz input frequency switching
Advanced Power Management support
Advanced Configuration and Power Interface (ACPI) support
Power-on and administrator passwords
Support for the addition of a Rope Clip and lockable cable (varies by mechanical
chassis)
Startup sequence control
Startup without diskette drive, keyboard, or mouse
Unattended start mode
Diskette and hard disk I/O control
Serial and parallel port I/O control
Security profile by device
Microsoft® Windows® Millennium Edition (Me)
Microsoft Windows 2000 Professional
Microsoft Windows 98 Second Edition
Microsoft Windows 95
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