Motorola MVME3100 Configuration Switch S4 Settings, Setting Switch Pos OFF Factory Default

Chapter 1 Hardware Preparation and Installation

Configuration Switch (S4)

An 8-position SMT configuration switch controls the VME SCON setting, Flash bank write- protect, and the safe start ENV settings. It also selects the Flash boot image. The default setting on all switch positions is OFF.

Table 1-2. Configuration Switch (S4) Settings

		Setting
Switch	Pos.	OFF (Factory Default)	ON	Notes
SAFE_START	1	Normal ENV settings	Safe ENV settings	This switch status is
		should be used.	should be used.	readable from System
				Status register 1, bit 5.
				Software may check
				this bit and act
				accordingly.
BOOT BLOCK	2	Flash memory map is	Boot block B is
SELECT		normal and boot block A is	selected and mapped
		selected.	to the highest
			address.
FLASH BANK WP	3	Entire Flash is not write-	Flash is write-
		protected.	protected.
Reserved	4
VME SCON	5	Auto-SCON mode.	Manual SCON mode.	Manual SCON mode
AUTO/MANUAL				works in conjunction
MODE				with the VME SCON
				SELECT switch.
MANUAL VME	6	Non-SCON mode.	Always SCON mode.	This switch is only
SCON SELECT				effective when the
				VME SCON
				AUTO/MANUAL
				MODE switch is ON.
sATA Mode	7	Legacy Mode	sATA Mode	Sets GD31244 to
				legacy or sATA mode
				during reset
TRST SELECT	8	Normal MPC8540 TRST	Isolates the board	This switch should
		mode where the board	HRESET from TRST	remain in the OFF
		HRESET will assert	and allows the board	position unless a
		TRST.	to reset without	MPC8540 emulator is
			resetting the	attached.
			MPC8540 JTAG/COP
			interface.

MVME3100 Installation and Use (V3100A/IH1) 5