ADLINK ReadyBoard 910 - Manual (Page 38)

Chapter 3 Hardware
32 Reference Manual ReadyBoard 910
Miscellaneous
SSD (Solid State Drive)
The ReadyBoard 910 provides a 4GB SSD, which is soldered directly onto the board. For more information
refer to the SSD data sheet:
http://www.greenliant.com/products/?inode=47717 .
Real Time Clock (RTC)
The ReadyBoard 910 contains a Real Time Clock (RTC). The CMOS RAM is backed up with a Lithium
Battery. If the battery is not present, a battery-free boot option in the BIOS completes the boot process and
resets the clock to the default date and time.
External Battery
An external battery input connection is provided through the battery connector (CN12) for an external
battery. The external battery is used to power the Real Time Clock. ADLINK provides a small 3.0 volt
battery, adhered to the board and connected to the external battery header.
Note: The shaded table cells denote power or ground. The RTC has an expected current draw of 6 A at
room temperature. The battery is used only when power is not applied to the board.
13 S2_TXD Serial Transmit Data
14 WL_RST-L Power Reset Low
15 S2_RTS-L Serial Request To Send Low
16 PCH_GPIO36 GPIO 3.3V Standby
17 S3_RXD Serial Receive Data
18 PCH_GPIO37 GPIO 3.3V Standby
19 S3_TXD Serial Transmit Data
20 PCH_GPIO38 GPIO 3.3V Standby
21 SIO_SERIRQ Super IO Serial IRQ for Interrupt Support
22 PCH_GPIO39 GPIO 3.3V Standby
23 GND Ground
24 GND Ground
25 GND Ground
26 GND Ground
27 P5V_S +5 Volts Power Standby
28 P5V_S +5 Volts Power Standby
29 P5V_S +5 Volts Power Standby
30 P5V_S +5 Volts Power Standby
Note: The shaded table cells denote power or ground.
Table 3-11. External Battery Interface Pin Signal Descriptions (CN12)
Pin # Signal Description
1 PVBAT +3.0 Volts Power
2 GND Ground
Table 3-10. EXT Interface Pin Signal Descriptions (CN9) (Continued)
Pin # Signal Description