Force 21264 Alpha PCI/ISA SBC User Information page 6

Main Memory DIMM Connectors (J6, J8, J9, J10).............................................. 3-11
PICMG PCI/ISA Edge Connector....................................................................... 3-14
3.3V SBC Power Connector (J13)....................................................................... 3-17
USB Connector (J1)............................................................................................ 3-18
Reset/ Halt Enable Jumper (J5) ........................................................................... 3-19
Connectors / Jumpers on the I/O Card ....................................................................... 3-20
Audio Connector (J4) ......................................................................................... 3-21
Battery Holder (J17) ........................................................................................... 3-22
CPU-I/O Card Connector (J5)............................................................................. 3-22
EIDE Interface Connectors (J8 & J9).................................................................. 3-23
Floppy Disk Connector (J10) .............................................................................. 3-24
Keyboard/Mouse Connector (J3)......................................................................... 3-25
OCP LED Display and Server Manager Connector (J7) ...................................... 3-26
Off-SBC Connector (J6) ..................................................................................... 3-27
Parallel Port Connector (J11).............................................................................. 3-30
Serial Port COM 1 and 2 Connectors (J1 & J2)................................................... 3-31
Server Management Expansion Connectors (J15 & J16) ..................................... 3-32
Flash Programming Jumper (J14) ....................................................................... 3-33
Watchdog Enable Jumper (J13) .......................................................................... 3-33
SROM Program Selection Switches (E26) ................................................................. 3-34
LEDs......................................................................................................................... 3-34
Component Installation and Handling ............................................ 4-1
Antistatic Precautions.................................................................................................. 4-2
Main Memory DIMMs ................................................................................................ 4-3
Main Memory DIMMs ................................................................................................ 4-3
Installing a Main Memory DIMM ........................................................................ 4-4
Removing a Main Memory DIMM ....................................................................... 4-4
Removing and Replacing the Battery........................................................................... 4-5
Using the SRM Console ................................................................... 5-1
SRM Console Conventions .......................................................................................... 5-2
SRM Console Special Characters................................................................................. 5-2
SRM Console Environment Variables ......................................................................... 5-3
SRM Console RAM file system ................................................................................... 5-4
SRM Console Commands............................................................................................ 5-4
Keyboard Setup ......................................................................................................... 5-21
SRM Console Countdown Codes ............................................................................... 5-23
Supported Console Devices........................................................................................ 5-24
Supported Console Memory Maps and Drivers .......................................................... 5-24
Environment Data............................................................................. 6-1
Thermal Management ................................................................................................. 6-2
Thermal Device Characteristics ............................................................................ 6-2
Airflow Considerations......................................................................................... 6-3
Thermal Design.................................................................................................... 6-3
SBC Power Requirements............................................................................................ 6-4
EMC Considerations ................................................................................................... 6-5
Address Maps...................................................................................A-1
vi