Digital Equipment Digital AlphaStation 200 Series Technical Information page 4

NVRAM................................................................................................................ 1-17
FlashROM Memory............................................................................................... 1-17
DROM .................................................................................................................. 1-17
Diagnostic LEDs ................................................................................................... 1-17
PCI............................................................................................................................... 1-18
SCSI............................................................................................................................. 1-18
Ethernet LAN Controller (DECchip 21040)........................................................... 1-18
ISA Bridge ............................................................................................................ 1-19
ISA Bus........................................................................................................................ 1-19
Serial I/O............................................................................................................... 1-19
Keyboard/Mouse ................................................................................................... 1-19
TOY Clock............................................................................................................ 1-19
Floppy Disk Controller (FDC) ............................................................................... 1-20
Sound Card: Digital AlphaStation 200 Series System................................................... 1-20
2 Configuring Your AlphaStation System
Overview .............................................................................................................................. 2-1
System Configurations .......................................................................................................... 2-1
Memory ................................................................................................................................ 2-2
Mass Storage Expansion ....................................................................................................... 2-3
Internal Bay Availability: AlphaStation 200 Series Systems........................................... 2-3
Internal Bay Availability: AlphaStation 400 Series Systems........................................... 2-4
External SCSI Bus Expansion ........................................................................................ 2-6
SCSI Termination.................................................................................................... 2-6
AlphaStation 200 Series System SCSI Termination........................................ 2-7
AlphaStation 400 Series System SCSI Termination........................................ 2-7
SCSI IDs ................................................................................................................. 2-7
PCI Expansion ...................................................................................................................... 2-8
PCI IDSEL Assignments ................................................................................................ 2-9
Ethernet LAN Controller Chip............................................................................... 2-11
Ethernet Identification SROM ...................................................................... 2-12
ISA Expansion .................................................................................................................... 2-12
Jumpers............................................................................................................................... 2-14
AlphaStation 200 Series System................................................................................... 2-14
Motherboard.......................................................................................................... 2-14
Figure 2-4. AlphaStation 200 Series System Motherboard Jumpers ...................... 2-14
Sound Card............................................................................................................ 2-17
AlphaStation 400 Series System................................................................................... 2-18
Motherboard.......................................................................................................... 2-18
CPU Module ......................................................................................................... 2-19
iv