Motorola MVME187 User Manual

Setting Environment to Bug/Operating System

A-9

Base Address of Local Memory

00000000

Beginning address of Local Memory. It 
must be a multiple of the Local 
Memory board size, starting with 0. 
The Bug will set up hardware address 
decoders so that Local Memory 
resides as one contiguous block at this 
address. Default is $0. 

Size of Local Memory Board #0 
Size of Local Memory Board #1 

02000000 
00000000 

You are prompted twice, once for each 
possible MVME187 memory 
mezzanine board. Default is the 
calculated size of the memory board. 

Slave address decoders setup. 
The slave address decoders are used to allow another VMEbus master to access a local 
resource of the MVME187. There are two slave address decoders. They are set up as 
follows.

Slave Enable #1 [Y/N]

Y

Yes, Setup and enable the Slave 
Address Decoder #1. 

Slave Starting Address #1

00000000

Base address of the local resource that 
is accessible by the VMEbus, as 
viewed by the VMEbus. Default is the 
base of local memory, $0. 

Slave Ending Address #1

01FFFFFF

Ending address of the local resource 
that is accessible by the VMEbus, as 
viewed by the VMEbus. Default is the 
end of calculated memory. 

Slave Address Translation 
Address #1

00000000

This register will allow the VMEbus 
address and the local address to be 
different. The value in this register is 
the base address of the local resource 
that is associated with the starting and 
ending address selection from the 
previous questions. Default is $0.