Digital Equipment AlphaStation 500 Series User Information page 6

Table of Contents
3 Installing System Options
Introduction........................................................................................................................... 3-1
Top Cover/Left Side Panel .................................................................................................... 3-2
Removing the Top Cover and Left Side Panel ................................................................ 3-2
System Unit Components ...................................................................................................... 3-4
System Board ........................................................................................................................ 3-6
System Memory .................................................................................................................... 3-8
Cache Memory ............................................................................................................... 3-8
Memory Configuration Rules ......................................................................................... 3-8
Adding or Removing Memory Modules (DIMMs) .......................................................... 3-9
Storage Devices................................................................................................................... 3-11
General Information on Installing Drives............................................................................. 3-11
SCSI Addresses (SCSI ID's)......................................................................................... 3-11
SCSI Termination......................................................................................................... 3-12
External SCSI Connector Termination.......................................................................... 3-12
Internal SCSI Termination............................................................................................ 3-12
SCSI Bus Length .......................................................................................................... 3-12
Installing Optional Internal Storage Devices........................................................................ 3-13
Installing Hard Disk Drives in the Lower Right Side Inner Bay .................................... 3-13
Removing the CD-ROM ........................................................................................ 3-14
Removing the Drive Tray from the Lower Right Side Inner Bay .................................. 3-15
Installing Drives In the Right Side Bracket................................................................... 3-16
Installing a Hard Disk Drive in the Left Side Storage Bay ............................................ 3-24
Removing the Floppy Drive Tray Assembly ................................................................. 3-24
Removing the Floppy Drive from the Original Drive Tray..................................... 3-26
Removing the Floppy Drive from the Drive Tray (Re-Designed) ........................... 3-27
Installing an Optional Hard Drive in the Original Left-side Drive Tray.................. 3-28
Installing an Optional Hard Drive in the Re-designed Left-side Drive Tray ........... 3-29
Installing an Optional Tape Drive in the Redesigned Left-Side Drive Tray............ 3-30
Replacing the Drive Tray Assembly in the System ....................................................... 3-30
PCI Expansion Options........................................................................................................ 3-31
PCI Bus ........................................................................................................................ 3-31
Installing Expansion Modules....................................................................................... 3-32
Replacing the Left Side Panel and Top Cover ..................................................................... 3-34
Connecting External Options............................................................................................... 3-36
Connecting a Printer or Other Parallel Device .............................................................. 3-36
Connecting an External SCSI Option............................................................................ 3-36
vi AlphaStation 500 Series User Information