Motorola 700 Series Installation And Use Manual page 133

Table A-1. ENV Command Parameters (Continued)
ENV Parameter and Options
Master Address Translation
Address #4
Master Address Translation
Select #4
Master Control #4
Short I/O (VMEbus A16)
Enable [Y/N]
Short I/O (VMEbus A16)
Control
F-Page (VMEbus A24) Enable
[Y/N]
F-Page (VMEbus A24) Control
ROM Access Time Code
Flash Access Time Code
MCC Vector Base
VMEC2 Vector Base #1
VMEC2 Vector Base #2
Set Environment to Bug/Operating System
Default Meaning of Default
00000000 Allows the VMEbus address and the local
address to differ. The value in this register
is the base address of the VMEbus
resource that is associated with the
starting and ending address selection
from the previous questions. Default is 0.
00000000 Defines which bits of the address are
significant. A logical 1 indicates
significant address bits, logical 0 is non-
significant. Default is 0.
00 Defines the access characteristics for the
address space defined with this master
address decoder. Default is $00.
Y Yes, enable the Short I/O Address
Decoder.
01 Defines the access characteristics for the
address space defined with the Short I/O
address decoder. Default is $01.
Y Yes, enable the F-Page Address Decoder.
02 Defines the access characteristics for the
address space defined with the F-Page
address decoder. Default is $02.
04 Defines the ROM access time. The default
is $04, which sets an access time of five
clock cycles of the local bus.
03 Defines the Flash access time. The default
is $03, which sets an access time of four
clock cycles of the local bus.
05 Base interrupt vector for the component
06 specified. Default: MC2chip = $05,
07 VMEchip2 Vector 1 = $06, VMEchip2
Vector 2 = $07.
A
A-13