expansion (continued)drive bays 5Hhelpgetting 99IIBM Enhanced Diagnostics programdownloading 95starting from CD 94starting from diskette 96input/outputaudio 5features 5keyboard port 5monitor port 5mouse port 5parallel port 5serial port 5installing adaptersdesktop model 56small form factor desktop model 54LLANClient Control Manager(LCCM) 22Mmemoryinstalling 51modules 52problems 90system 4microprocessor 4mousecleaning 27controls 20using 20Ooptionsavailable 43diskettes 97installing 43problems 91Ppassworderasing 37lost or forgotten 37passwordsadministrator 5, 25, 36changing 36deleting 36setting 36power-on 5, 25, 34changing 35deleting 35setting 35using 34Pentium III serial number feature 38POST beep codes 77powerAdvance Configuration and PowerInterface (ACPI) 5Advanced Power Managementsupport 5cables 61features 5management 39signal 61turn on 11power managementACPI BIOS IRQ 39automatic power-on 41features 39setting 40Power-on self-test (POST) 73beep codes 77error codes 73problemsaudio 83CD-ROM drive 84diskette drive 86general 81intermittent 82keyboard 89memory 90monitor 86mouse 89options 91parallel port 92pointing device 89printer 93serial port 92software 93Universal Serial Bus (USB) 94128 User Guide