Motorola MVME166IG/D2 Table A-1. ENV Command Parameters Continued, ENV Parameter and Options

A

Configure and Environment Commands

Table A-1. ENV Command Parameters (Continued)

ENV Parameter and Options	Default	Meaning of Default
Master Address Translation Address #4	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 VMEbus resource that
		is associated with the starting
		and ending address selections
		from the previous questions.
		Default is 0.
Master Address Translation Select #4	00000000	This register defines which bits
		of the address are significant. A
		logical one "1" indicates
		significant address bits, logical
		zero "0" is non-significant.
		Default is 0.
Master Control #4	00	Defines the access characteristics
		for the address space defined
		with this master address
		decoder.
		Default is $00.
Short I/O (VMEbus A16) Enable [Y/N]	Y	Yes, Enable the Short I/O
		Address Decoder.
Short I/O (VMEbus A16) Control	01	Defines the access characteristics
		for the address space defined
		with the Short I/O address
		decoder.
		Default is $01.
F-Page (VMEbus A24) Enable [Y/N]	Y	Yes, Enable the F-Page Address
		Decoder.
F-Page (VMEbus A24) Control	02	Defines the access characteristics
		for the address space defined
		with the F-Page address decoder.
		Default is $02.
ROM Speed Bank A Code	04	Used to set up the ROM speed.
ROM Speed Bank B Code	04	Default $04 = 145 ns.
Static RAM Speed Code	00	Used to set up the SRAM speed.
		Default $00 = 115 ns.
PCC2 Vector Base	05	Base interrupt vector for the
VMEC2 Vector Base #1	06	component specified. Default:
VMEC2 Vector Base #2	07	PCCchip2 = $05,
		VMEchip2 Vector 1 = $06,
		VMEchip2 Vector 2 = $07.

A-10 MVME166 Single Board Computer Installation Guide