Artesyn MVME7100 Single Board Computer Installation and Use (June 2014) - Manual (Page 39)

Hardware Preparation and Installation
MVME7100 Single Board Computer Installation and Use (6806800E08D) 39
2.4.1.1 Safe Start Switch
When the SAFE_START switch is OFF, it indicates that the normal ENV setting should be used.
When the switch is set to ON, GEVs, VPD, and SPD settings are ignored and known, safe, values
are used.
2.4.1.2 Boot Block B Select
When the switch is OFF, the flash memory map is normal and block A is selected as shown in
Figure 3. When the switch is ON, block B is mapped to the highest address.
2.4.1.3 Flash Bank Write Protect
When the FLASH BANK WP switch is OFF, it indicates that the entire NOR flash is not write-
protected. NOR flash is used for executing code. When the switch is ON, it indicates that the
flash is write-protected and any writes to the flash devices are blocked by hardware.
2.4.1.4 JTAG Pass-Thru
The JTAG Pass-Thru switch is in the OFF position for normal operation. The switch is ON for pass-
through mode.
2.4.1.5 Low Memory Offset
The CORE1 Low Memory Offset switch is in the OFF position for normal operation. The switch
is ON for enabling this feature.
S1-6 PMC 133 MHz [OFF]
ON PMC 100 MHz maximum
PMC 133 MHz maximum
S1-7 Master WP [OFF]
ON Master write protect disabled
Master write protect enabled
S1-8 Reserved
1. Switch status is readable from System Status Register 1, bit 5.
Table 2-5 Configuration Switch Settings (S1) (continued)
Switch Description Setting Function