Sram Backup Power Source Select Header J8 - Motorola MVME167-32 User Manual

SRAM Backup Power Source Select Header J8

Header J8 is an optional header that is used to select the power source used to back up
the SRAM on the MVME167, if the optional battery and circuitry is present.
J8
4
3 2
Backup Power Disabled
C
Do not remove all jumpers from J8. This may disable the
aution
SRAM.
If your board contains the optional header J8, but the optional
battery is removed, jumpers must be installed on J8 between
pins 2 and 4, as shown in the Backup Power Disabled drawing
above.
MVME167/D3
J8
4
1 3 2
VMEbus +5V STBY
(Factory Configuration, when
Optional Battery Is Present)
Hardware Preparation
J8
4
1 3 2
Optional Battery
1
2-5
2