Table 2-1. Jumper Settings - Motorola 700 Series Installation And Use Manual

Hardware Preparation and Installation
2
Jumper Function
System
J1 controller
selection
IP bus clock
J11
selection
SCSI
J12
termination
SRAM backup
J14 power source
selection
Flash write
J16
protection
IP bus strobe
J18
selection
IP DMA snoop
J19
selection
EPROM/Flash
J20
configuration
General-
purpose
J21
readable jumper
configuration
2-2
Chapter 4, and/or in the MVME162FX Embedded Controller
Programmer's Reference Guide as listed in Related Documentation in
Chapter 1.)
Figure 2-1 illustrates the placement of the switches, jumper headers,
connectors, and LED indicators on the MVME162LX. Manually
configurable items on the board are listed in the following table.
Default settings are enclosed in brackets.

Table 2-1. Jumper Settings

No jumper Not system controller.
[1-2] System controller.
2-3 Auto system controller.
[1-2] 8MHz clock.
2-3 32MHz clock.
No jumper Onboard terminators disabled.
[1-2] Onboard terminators enabled.
No jumper Backup power disabled.
[1-3, 2-4] Primary : VMEbus +5V STBY — secondary : VMEbus +5V STBY.
3-5, 4-6 Primary : onboard battery — secondary : onboard battery.
1-3, 4-6 Primary : VMEbus +5V STBY — secondary : onboard battery.
3-5, 2-4 Primary : onboard battery — secondary : VMEbus +5V STBY.
[No jumper] Flash write protection on (writes disabled).
1-2 Flash write protection off (writes enabled).
No jumper Strobe disconnected.
[1-2] Strobe connected.
1-2, no jumper Snoop enabled (pins 1-2 = don't care).
[1-2, 3-4] Snoop inhibited.
3-4, 9-11, 10-12 256K x 8 EPROMs.
[5-6, 9-11, 8-10] 512K x 8 EPROMs.
7-9, 8-10 1M x 8 EPROMs.
1-2, 7-9, 8-10 1M x 8 EPROMs (on-board Flash disabled).
[No jumper] EPROM selected.
7-8 Flash selected.
Other headers are user-definable (see description).
Settings