Board Features
VL-EPU-3311 Reference Manual
20
I/O Interfaces
The Osprey’s I/O interfaces and their associated connectors are described in later chapters as
follows:
Mass Storage Interfaces (SATA, microSD, and eMMC Flash), beginning on page 29
Multi-purpose I/O (USB, Mini PCIe / mSATA, User I/O), beginning on page 31
Serial I/O, beginning on page 39
Video Interfaces (Mini Disp+ and LVDS), beginning on page 41
Network Interfaces, beginning on page 47
Real-Time Clock (RTC)
The Osprey features a real-time clock/calendar (RTC) circuit. The Osprey supplies RTC voltage
in S5, S3, and S0 states, but requires an ex2.75 V to +3.3 V battery connection. Refer to
the section titled Battery Power Options on page 25 for more information. The RTC can be set
using the BIOS Setup utility.
Watchdog Timer
The Osprey has a watchdog timer that contains a selectab
le prescaler approximately 1 μs to
10 minutes. The watchdog timer can be configured in the BIOS Setup utility.
