
Chapter 3: Board Setup and Defaults 3–3
Factory Default Switch and Jumper Settings
June 2014 Altera Corporation Arria V SoC Development Kit
User Guide
To restore the switches to their factory default settings, perform these steps:
1. Set the DIP switch bank (SW2) to match Table 3–1 and Figure 3–1.
In the following table, ON indicates the switch is to the left according to the board
orientation as shown in Figure 3–1.
2. Set the DIP switch bank (SW3) to match Table 3–2 and Figure 3–1.
In the following table, up and down indicates the position of the switch with the
board orientation as shown in Figure 3–1.
Important: The default MSEL pin settings are set to all zeroes (ON) to select the fast
passive parallel x16 mode. For power-up configuration from MAX V and CFI
flash, ensure that the MAX V design uses this same mode as does in the design in
the <install dir>\kits\arriaVST_5astfd5kf40es_soc\examples\max5 directory.
Table 3–1. SW2 DIP Switch Settings
Switch
Board
Label
Function
Default
Position
1 CLK125A
Switch 1 has the following options:
■ ON (0) = On-board oscillator is disabled.
■ OFF (1) = On-board oscillator is enabled.
OFF
2 Si570
Switch 2 has the following options:
■ ON (0) = On-board programmable oscillator is
enabled.
■ OFF (1) = On-board programmable oscillator is
disabled.
ON
3FACT LOAD
Switch 3 has the following options:
■ ON (0) = Load the user design from flash at
power up.
■ OFF (1) = Load the user factory from flash at
power up.
OFF
4 Security
Switch 4 has the following options:
■ ON (0) = On-Board USB Blaster II sends
FACTORY command at power up
■ OFF (1) = On-Board USB Blaster II does not
send FACTORY command at power up
OFF
Table 3–2. SW3 DIP Switch Settings (Part 1 of 2)
Switch
Board
Label
Function
Default
Position
1 MSEL0
Switch 1 has the following options:
■ ON (up) = MSEL0 is 0.
■ OFF (down) = MSEL0 is 1.
ON
2 MSEL1
Switch 2 has the following options:
■ ON (up) = MSEL1 is 0.
■ OFF (down) = MSEL1 is 1.
ON
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