Installation guide

3.5.4 Writing VMEbus Device Drivers
For information about writing VMEbus device drivers and configuring the
VMEbus on Compaq Alpha VME systems, refer to the
vme_manual_setup(7) reference page.
3.5.5 CPU Boards Cannot Be Installed Until Operating System Is
Installed
If you are not currently running Version 4.0E, and are upgrading CPU
boards, then you must install Version 4.0F before you upgrade your machine
with the new AlphaServer 8200/8400 (Compaq AlphaServer GS60,GS140)
6/525 CPU boards.
3.5.6 Futurebus Backplane Is Not Supported
The Futurebus backplane is not supported when an AlphaServer 8200/8400 is
upgraded to the Compaq AlphaServer GS60 and GS140 6/525. This hardware
must be removed from the system.
3.6 DMCC EBM2n and EBM4n Class Single Board
Computers
The Modular Computing Components (DMCC) EBM2n-xx and EBM4n-xx
are Compaq’s latest PCI/ISA-based single board computers (SBCs).
The EBM2n-xx is a PICMG-compliant processor card based on the Compaq
Alpha 21164 CPU. The EBM4n-xx is a PICMG-compliant processor card
based on the Compaq Alpha 21064A CPU.
The following notes are specific to DMCC EBM2n class and EBM4n class
single board computers.
3.6.1 Verify CPU Version
The sizer utility identifies Compaq DMCC EBM2n class and EBM4n class
SBCs as DMCC EBM2n or EBM4n family members. The sizer -c
command displays the following output for Compaq DMCC EBM2n class
SBCs:
sysname> sizer -c
cpu "DECEV56_PBP"
The sizer -c command displays the following output for Compaq DMCC
3–8 Processor-Specific Notes