Jumper Summary - VersaLogic Copperhead VL-EBX-41 Reference Manual

J S
UMPER UMMARY
Jumper
Block Description
V1[1-2]
Clear Non-Volatile RAM (NVRAM)
In – Clear NVRAM
Out – Normal operation
Note: Whenever NVRAM cleared it is good practice to clear CMOS
RAM (using Jumper V3) at the same time.
V2[1-2]
COM0 RS-422 Rx Termination
In – 120 Ohm terminated
Out – COM1 not terminated
V2[3-4]
COM1 RS-422 Rx Termination
In – 120 Ohm terminated
Out – COM2 not terminated
V2[5-6] COM2 RS-422 Rx Termination
In – 120 Ohm terminated
Out – COM3 not terminated
V2[7-8] COM3 RS-422 Rx Termination
In – 120 Ohm terminated
Out – COM4 not terminated
V3 CMOS RAM and Real-time Clock Erase
[1-2] In – Normal
[2-3] In – Erase CMOS RAM and real-time clock
Note: Whenever CMOS RAM is cleared it is good practice to clear
NVRAM (using jumper V1[1-2]) at the same time.
V4 BIOS Force Recovery
In – Enable
Out – Disable
V5 Jumper block not installed
V6[1-2] System BIOS Selector
In – Primary system BIOS selected
Out – Secondary system BIOS selected
The Primary system BIOS is field upgradeable using the BIOS upgrade
utility. See
for more information.
V6[3-4]
General Purpose Input
In – Causes the GPI_JMP bit in the BIOS and Jumper Status Register
(BIOSJSR) at I/O port CA2h to read as '1'
Out – Causes the GPI_JMP bit in the BIOS and Jumper Status Register
(BIOSJSR) at I/O port CA2h to read as '0'
V7[1-2]
MM# Jumper
In – Test BIOS
Out – Normal operation
EBX-41 Reference Manual
Table 3: Jumper Summary
http://www.versalogic.com/private/Copperheadsupport.asp
Physical Details
As
Shipped Page
Out 24
In 34
In 34
In 34
In 34
[1-2] In 24
—
Out
— —
In 60
In 60
—
Out
21