Sram Backup Power Source Select Headers (J13, J1) - Motorola MVME162LX 300 Series Installation And Use Manual

SRAM Backup Power Source Select Headers (J13, J1)

Jumper header J13 determines the source for onboard static RAM backup
power on the controller's PCB. Header J1 determines the source for
backup power on the 2MB SRAM mezzanine board (if installed).
The following backup power configurations are available for onboard
SRAM through header J13. In the factory configuration, the VMEbus +5V
standby voltage serves as primary and secondary power source (the
onboard battery is disconnected).
Notes For controllers without the optional VMEbus interface
!
Removing all jumpers may temporarily disable the
Caution
SRAM. Do not remove all jumpers from J13, except for
storage.
J13
2
6
1
5
Primary Source Onboard Battery
Secondary Source Onboard Battery
Primary Source VMEbus +5V STBY
Secondary Source Onboard Battery
http://www.mcg.mot.com/literature
(without the VMEchip2 ASIC), you must select the onboard
battery as the backup power source.
J13
2
1
Backup Power Disabled
(For storage only)
J13
2
6
1
5
Secondary Source VMEbus +5V STBY
Hardware Preparation
2
6
1
5
Primary Source VMEbus +5V STBY
Secondary Source VMEbus +5V STBY
(Factory configuration)
J13
2
6
1
5
Primary Source Onboard Battery
J13
6
5
2-9
2