VersaLogic Fox VL-EPM-19, Hardware Reference Manual

Page: 19 / 61

Configuration and Setup
EPM-19 Hardware Reference Manual
10
J
UMPER
S
UMMARY
Table 2: Jumper Summary
Jumper
Block
Description Reference
V1 [1-2]
COM3 Rx End-point termination
•
In – COM3 End-point termination enabled
•
Out – COM3 End-point termination disabled (default)
Table 15, page 34
V1 [3-4]
COM4 Rx End-point termination
•
In – COM4 End-point termination enabled
•
Out – COM4 End point termination disabled (default)
Table 15, page 34
V3
CMOS RAM Clear
•
1-2 – Normal mode (default)
•
2-3 – Clear CMOS RAM
Clearing CMOS RAM,
page 11
V2
No Battery Mode
•
1-2 – Battery has been removed
•
2-3 – Battery is installed (default)
Operating the Board
without a Battery, page 19
V4
Battery Saver
•
1 only (or jumper is removed) (default)
•
1-2 – Battery is connected
Battery Saver Jumper,
page 18
BIOS Setup Utility
The EPM-19 permits users to modify the BIOS Setup utility defaults. Refer to the
EPM-19_EBX-18 BIOS Reference Manual (available on the EPM-19 Product Support Web Page )
for information on accessing and configuring settings in the BIOS Setup utility. All BIOS
menus, submenus, and configuration options are described in the
EPM-19_EBX-18 BIOS
Reference Manual.
CMOS/N
ON
-
VOLATILE
RAM
The Vortex86DX2 SoC contains a small amount of CMOS/Non-volatile RAM to store the BIOS
Setup utitlity settings. If you have modified BIOS Setup utility settings and the board fails to
boot, clear the CMOS/Non-volatile RAM to restore the default BIOS settings.