Motorola MVME162 Manuale Utente
Hardware Preparation
MVME162IG/D2
2-7
2
SRAM Battery Backup Source Select Header (J20)
The MVME162 is factory-configured to use VMEbus +5V Standby power as a
backup power source for the SRAM (i.e., jumpers are installed across pins 1
and 3 and 2 and 4). To select the onboard battery as the backup power source,
install the jumpers across pins 3 and 5 and 4 and 6.
backup power source for the SRAM (i.e., jumpers are installed across pins 1
and 3 and 2 and 4). To select the onboard battery as the backup power source,
install the jumpers across pins 3 and 5 and 4 and 6.
N
ote
For MVME162s without optional VMEbus interface (i.e.,
without VMEchip2 ASIC), you must select the onboard
battery for the backup power source.
without VMEchip2 ASIC), you must select the onboard
battery for the backup power source.
C
aution
Removing all jumpers may temporarily disable the SRAM.
Do not remove all jumpers from J20, except for storage
Do not remove all jumpers from J20, except for storage
EPROM Size Select Header (J21)
The MVME162 is factory-configured for a 4Mbit EPROM (i.e., a jumper is
installed across pins 2 and 3). This is the only size currently available; if a
larger PROM becomes available, this jumper will allow it to be selected.
installed across pins 2 and 3). This is the only size currently available; if a
larger PROM becomes available, this jumper will allow it to be selected.
(Factory configuration)
VMEbus +5V STBY
J20
2
1
6
5
J20
2
1
6
5
J20
2
1
Backup Power Disabled
Onboard Battery
6
5
(For storage only)
1
2
3
(Factory configuration)
J21
4Mbit EPROM