IBM BDM-610000049 User Manual
Page 97
BDM-610000049
Rev G
Appendix A: Hardware Reference
87
Figure 7
CMX158886 Jumper Locations (top side)
Table 62
CMX158886 Jumpers
Jumper
Pins
Function
Default
JP1
2
Enable/disable 120
Ω series termination to COM1 (CN7) in RS-422/485 modes
open
JP2
2
Enable/disable 120
Ω series termination to COM2 (CN8) in RS-422/485 modes
open
JP5
2
Install to load the default BIOS settings and boot to Fail Safe (for more
information, refer to
System Recovery—page 82). Note that the multi-color LED
will be red if JP5 is installed.
open
JP6
2
Reserved
open
JP9
3
Select power for flat panel backlight
pins 1–2
: +12 V
pins 2–3
: +5 V
pins 2–3
JP11
2
Enable/disable 120
Ω series termination to second serial port on CN7 in
RS-422/485 modes
open
JP12
2
Install to support RS-422/485 modes for second serial port on CN7
open
JP13
2
Enable/disable 120
Ω series termination to second serial port on CN8 in
RS-422/485 modes
open
JP14
2
Install to support RS-422/485 modes for second serial port on CN8
open