26 PCM-5820 Series User's Manual2.20.1 Watchdog timer action (J3)When the watchdog timer activates (CPU processing has come to ahalt), it can reset the system or generate an interrupt on IRQ11.This can be set via J3 as shown below:Table 2-9: Watchdog timer action*System reset IRQ11J3* default setting2.21 USB connectors (CN4)The PCM-5820 Series board provides two USB (Universal SerialBus) interfaces which gives complete Plug and Play, and hotswaps for up to 127 external devices. The USB interfaces complywith USB specification Rev. 1.0 and are fuse protected.The USB interfaces are accessed through two 10-pin flat-cableconnectors, CN4. You will need an adapter cable if you use astandard USB connector.The USB interfaces can be disabled in the system BIOS setup.1 2 3 1 2 3
