Emerson MVME2500 ユーザーズマニュアル
Controls, LEDs, and Connectors
MVME2500 Installation and Use (6806800L01H)
59
3.5.2
SMT Configuration Switch (S2)
This eight position SMT configuration switch controls the flash bank write-protect, selects the
flash boot image, and controls the safe start ENV settings. The default setting on all switch
positions is "OFF" and is indicated by brackets in
flash boot image, and controls the safe start ENV settings. The default setting on all switch
positions is "OFF" and is indicated by brackets in
.
Figure 3-6
SMT Configuration Switch Position
Table 3-20 Geographical Address Switch Settings
SW2
DEFAULT
Signal Name
Description
Notes
1
OFF (Normal Env)
NORMAL_ENV
Safe Start ("ON"= Use
normal ENV, "OFF"= Use
safe ENV)
normal ENV, "OFF"= Use
safe ENV)
2
OFF (Flash Block A)
BOOT_BLOCK_A
Boot Block B Select
3
OFF (WP Disabled)
FLASH_WP_N
SPI Flash Write-Protect
4
OFF (PMC)
PMC_XMC_SEL
XMC or PMC selection
switch
switch
Will select if XMC card or
PMC card is used
PMC card is used
5
OFF (133 MHz)
PMC_133
PCI frequency selection