User's Manual

Displaying System Information OpenBoot Firmware
SPARC/CPU−56T 101
Displaying System Information
The Forth Monitor provides several commands to display system information such as the
system banner, the Ethernet address for the Ethernet controller, the contents of the ID
PROM, and the version number of the OpenBoot firmware.
a
Ethernet Address and Host ID
In order to see the Ethernet address and host ID, enter the following command at the
OpenBoot prompt:
ok banner
The figures below explain how the CPU board’s Ethernet address and the host ID are
determined.
Byte
543210
47 39 31 23 15 740 32 24 16 8 0
These three bytes always
remain 00:80:42
These three bytes are
consecutively numbered
084XXX002XXX
Figure 25: 48−bit (6−byte) Ethernet Address
Byte
3210
32 24 15 725 16 8 0
These eight bits
identify the
architecture type.
These three bytes are
consecutively numbered.
8YYY0YYY
Figure 26: 32−bit (4−byte) Host ID
ID PROM
The ID PROM contains specific information on the individual machine including the
serial number, date of manufacture, and assigned Ethernet address. The following table
lists these commands.