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J
S
UMPER
UMMARY
Jumper
Block
Description
V1
CMOS RAM and Real Time Clock Erase
[1-2] In – Normal
[2-3] In – Erase CMOS RAM and real-time clock
V2[1-2]
COM3 RS-485 Termination
In – 100 Ohm terminated
Out – COM3 Not terminated
V3[3-4]
COM4 RS-485 Termination
In – 100 Ohm terminated
Out – COM4 Not terminated
V4
CRT and TV Select
[1-2] In – CRT
[2-3] In – TV
V5
Reset Select
[1-2] In – Generated
[2-3] In – Power button
The EBX-22 requires activation of the soft power button to power up.
Installing a jumper on pins [1-2] causes the EBX-22 to create its own
soft power pulse automatically when power is applied. See page 10 for
details.
V6[1-2]
CompactFlash Master Selector
In – CompactFlash module is IDE master
Out – CompactFlash module is IDE slave
V6[3-4]
Video BIOS Selector
In – Primary video BIOS selected
Out – Secondary video BIOS selected
The secondary video BIOS is field-upgradeable using the FBU utility.
See the EBX-22 support page for more information.
V6[5-6]
Reserved
In – Normal operation
Out – Factory use only
This jumper should not be removed. If you hear a low-high beep tone
and the EBX-22 appears to be failing to boot, verify that this jumper is
properly installed.
V6[7-8]
Reserved
EBX-22 Reference Manual
Table 3: Jumper Summary
Physical Details
As
Shipped
Page
[1-2] In
29
(Normal)
In
36
In
36
[1-2] In
43
(CRT)
[1-2] In
–
(Generated)
In
41
In
43
In
–
–
–
26
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