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Physical Details
EBX-37 Reference Manual
19
Jumper Blocks
J
UMPERS
A
S
-S
HIPPED
C
ONFIGURATION
Figure 11. Jumper Block Locations
J
UMPER
S
UMMARY
Table 3: Jumper Summary
Jumper
Block
Description
As
Shipped
Page
V1
CMOS RAM and Real-time Clock Erase
[1-2] In – Normal
[2-3] In – Erase CMOS RAM and real-time clock
[1-2] In
22
V2
System BIOS Selector
In – Backup system BIOS selected
Out – Primary system BIOS selected
The Primary system BIOS is field upgradeable using the BIOS upgrade
utility.
Out
24
V3[1-2]
COM3 RS-422 Rx or RS-485 Termination
In – 120 Ohm terminated
Out – COM3 not terminated
In
41
V3[3-4]
COM4 RS-422 Rx or RS-485 Termination
In – 120 Ohm terminated
Out – COM4 not terminated
In
41
V1
2 1
V3
V1
3
1
V2
V3
V2
4
2
3 2 1