Computer Hardware User Manual

Table Of Contents
2-30 Computer Group Literature Center Web Site
VMEchip2
2
VMEbus Slave Address Translation Select Register 1
This register is the address translation select register for the first VMEbus-
to-local-bus map decoder. The address translation select register value is
based on the segment size (the difference between the VMEbus starting
and ending addresses).
If the segment size is between the sizes shown in the table below, assume
the larger size.
ADR/SIZ $FFF40008 (16 bits of 32)
BIT 15 . . . 0
NAME Address Translation Select Register 1
OPER R/W
RESET 0 PS
Segment
Size
Address
Translation
Select Value
Segment
Size
Address
Translation
Select Value
64KB FFFF 32MB FE00
128KB FFFE 64MB FC00
256KB FFFC 128MB F800
512KB FFF8 256MB F000
1MB FFF0 512MB E000
2MB FFE0 1GB C000
4MB FFC0 2GB 8000
8MB FF80 4GB 0000
16MB FF00