Artesyn MVME8100/MVME8110 Installation and Use (September 2014) - Manual (Page 40)

Hardware Preparation and Installation
MVME8100 / MVME8110 Installation and Use (6806800P25G) 40
2.4.1.3 S4 Switch
The S4 switch includes the SCON control and PCIE/SRIO P0 root complex/endpoint
configuration switches for MVME8100. The S4 switch of MVME8110 includes SCON control
only. The VME SCON AUTO switch is OFF to select Auto-SCON mode. The switch is ON to select
manual SCON mode which works in conjunction with the VME SCON SEL switch. The
VME_SCON_SEL switch is OFF to manually select SCON mode. This switch is ON to manually
select non-SYSCON mode. This switch is only effective when the VME SCON AUTO switch is
ON.
2.4.1.4 S5 Switch
The switch Bank S5 provides the boot SPI FLASH selection.
Table 2-8 S4 Switch Settings
Position Default Description
1 OFF Clear Environment Variables
OFF - Disable Clear Environment Variables
ON - Enable Clear Environment Variables. At reset, uboot ENV variables are
set to default values.
2 OFF OFF - Configure PCIe/SRIo Switches as P0 Root Complex (applicable to
MVME8100 only)
ON - Configure PCIe/SRIO Switches as P0 Endpoint (applicable to
MVME8100 only)
3 OFF OFF - Auto VME System Controller
ON - Manual VME System Controller
4 OFF OFF - VME System Controller
ON - VME Non-System Controller
Table 2-9 S5 Switch Settings
Position Default Description
1 OFF OFF - Boot from SPI FLASH 0
ON - Boot from SPI FLASH 1
2 OFF Reserved