Altera Arria GX Development Board Manuel d'utilisateur Page 39

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Altera Corporation Reference Manual 2–29
October 2007 Arria GX Development Board
Board Components
Power Supply
The main source of power comes from either the 12 V PCI Express
motherboard (12V_PCIE) or from a DC input jack and subsequent
laptop-style DC power supply (12V_SWITCHER). The nominal input
spec is from 15 V to 20 V DC on the jack. Similarly, the 12 V HSMC power
can be supplied from the DC input jack (12V_SWITCHER) or from a 12 V
connection supplied by a PC (12V_PC_CONN). Figure 2–9 shows the
power distribution system.
Figure 2–9. Arria GX Development Board’s Power Distribution System
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