Personal Computer User Manual

Configure and Environment Commands
A-14 Installation Guide
A
Table A-1. ENV Command Parameters (Continued)
ENV Parameter and Options Default Meaning of Default
F-Page (VMEbus A24) Control
ROM Speed Bank A Code
ROM Speed Bank B Code
PCC2 Vector Base
VMEC2 Vector Base #1
VMEC2 Vector Base #2
VMEC2 GCSR Group Base Address
VMEC2 GCSR Board Base Address
VMEbus Global Time Out Code
Local Peripheral Bus Time Out Code
VMEbus Access Time Out Code
02
03
03
05
06
07
D0
00
01
01
02
This defines the access
characteristics for the
address space defined
with the F-Page address
decoder. Default is $02.
These parameters are
used to set up the ROM
speed. Default $03 = 165
nsec.
These parameters are
the base interrupt vector
for the component
specified. Default:
PCCchip2 = $05,
VMEchip2 Vector 1 =
$06, VMEchip2 Vector 2
= $07.
This parameter specifies
the group address
($FFFFXX00) in Short
I/O for this board. The
default is $D0.
This parameter specifies
the base address
($FFFFCEXX) in Short
I/O for this board. The
default is $00.
This controls the
VMEbus timeout when
systems controller.
Default $01 = 64 µsec.
This controls the local
peripheral bus timeout.
Default $01 =64 µsec.
This controls the local
peripheral bus to
VMEbus access timeout.
Default $02 = 32 msec.