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aTCA-3710 User's Guide
52
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SW3:
This is a multi-function switch. Pin 1 is used to select
Shelf Mode
or
Stand Alone Mode
.
Pin 2 is used to select between
boot from SPI Flash 0
or
boot from SPI Flash 1
. Pin 3 is used to
select
compliance to PICMG 3.0
or
PICMG 3.1
. Pin 4 is used to manually close the
Hot Swap
switch
. If Pin 4 is "ON" (connected to GND), this has the same effect as closing the Hot Swap
switch SW5 (blade inserted).
SW No.
Mode
Setting
Mode
Setting
Shelf Mode
1 OFF
Stand
Alone
Mode 1 ON
Boot from SPI
Flash 0
2 OFF Boot
from
SPI
Flash 1
2
ON
PICMG 3.0
3
OFF PICMG
3.1 3 ON
SW3
Handle 4
OFF DIP
Handle 4 ON
Table 16. Multi-function Switch (SW3)
Programmable Devices
There are programmable devices with their own images on the board. The board is provided with
default images programmed for all devices as described in Table 17.
Component
Description
Content
SPI flash memory
SST25VF080B
U-Boot image
IPMC A2F500M3G-FGG484I
IPMC
image
EEPROM
M24256 (256Kb)
IPMI variables
microSD card
DS2M-08GI81AC1ST
Linux and user application
CPLD LCMX0640C3FTN256C
CPLD
Image
Table 17. Programmable Devices