Physical Details
EBX-11 Reference Manual
21
J
UMPER
S
UMMARY
Table 2: Jumper Summary
Jumper
Block
Description
As
Shipped
Page
V1[1-2]
COM3 RS-422 Termination
In
– 100 Ohm Termination Active
Out
– COM3 Unterminated
In
Error!
Book
mark
not
define
d.
V1[3-4]
COM4 RS-422 Termination
In
– 100 Ohm Termination Active
Out
– COM4 Unterminated
In
Error!
Book
mark
not
define
d.
V2[1-2]
SD Master Selector
In
– Compact FLASH Module is IDE Master
Out
– Compact FLASH Module is IDE Slave
Out
V2[3-4]
General Purpose Input
In
– CPU reads bit as 1
Out
– CPU reads bit as 0
In
V2[5-6]
Video BIOS Selector
In
– Primary Video BIOS selected
Out
– Secondary Video BIOS selected
The secondary video BIOS is field-upgradeable using the BIOS upgrade
utility. See
www.VersaLogic.com/private/pythonsupport.asp
for more
information.
In
V2[7-8]
System BIOS Selector
In
– Normal Operation
Out
–
Factory Use Only
This jumper should not be removed. If you hear a low-high beep tone
and the EBX-11 appears to be failing to boot, verify that this jumper is
properly installed.
In
–
V3[1-2-3]
CMOS RAM and Real Time Clock Erase
[1-2] In
– Normal
[2-3] In
– Erase CMOS RAM and Real-Time Clock
[1-2] In
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