21020285 D User’s Guide
Chapter 7 Board-control Commands
Page 7 - 32 Board Information (15H)
Board Information (15H)This command returns a special Board Information Data Structure (in addition
to the normal status block), that provides information about the current
configuration of the RF3880 adapter. The structure, returned at the address you
specify in the Board Information command Parameter Block, includes
information about the options set with the General Options and Unit Options
commands as well as the configuration set in the hardware. It can be used as a
snapshot of the board set-up. Additionally, the same information r eceived from
the Identify command is included in the structure returned.
This command can be issued with either a Single Command structure or in a
Command List.
Command
Format
The Parameter Block for the Board Information command has this format:
Description of
Fields
Each field of the Board Information Parameter Block is described below:
Command Identifier
The Command Identifier field is used to identify the Status Block associated
with a Parameter Block. It must be a unique value.
Adapter ID
This is a Board-control command. The value in this field must be FFH.
Address Modifier
This is the value to be used by the adapter on the Address Modifi er l ines when
writing the Board Information Data Structure to memory.
VME Memory Address
This is the system memory address at which you wish to have the adapter place
the Board Information Data Structure.
Command Code
The value for this field will always be 15H to indicate a Board Information
command.
Address
Offset Byte Memory Address
Offset + 0 Offset + 1 Offset + 2 Offset + 3
00H Command Identifier
04H Reserved Addr. Mod. Adapter ID = FFH
08H VME Memory Address
0CH Reserved
10H Command = 15H Options Reserved
14H Reserved
18H Reserved
Table 89: Target Mode Disabl e Parameter Block