2-2

Hardware Preparation and Installation
2Chapter 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

Jumper Function Settings
J1
System
controller
selection
No jumper
[1-2]
2-3
Not system controller.
System controller.
Auto system controller.
J11 IP bus clock
selection
[1-2]
2-3
8MHz clock.
32MHz clock.
J12 SCSI
termination
No jumper
[1-2]
Onboard terminators disabled.
Onboard terminators enabled.
J14
SRAM backup
power source
selection
No jumper
[1-3, 2-4]
3-5, 4-6
1-3, 4-6
3-5, 2-4
Backup power disabled.
Primary : VMEbus +5V STBY Ñ secondary : VMEbus +5V STBY.
Primary : onboard battery Ñ secondary : onboard battery.
Primary : VMEbus +5V STBY Ñ secondary : onboard battery.
Primary : onboard battery Ñ secondary : VMEbus +5V STBY.
J16 Flash write
protection
[No jumper]
1-2
Flash write protection on (writes disabled).
Flash write protection off (writes enabled).
J18 IP bus strobe
selection
No jumper
[1-2]
Strobe disconnected.
Strobe connected.
J19 IP DMA snoop
selection
1-2, no jumper
[1-2, 3-4]
Snoop enabled (pins 1-2 = donÕt care).
Snoop inhibited.
J20 EPROM/Flash
conÞguration
3-4, 9-11, 10-12
[5-6, 9-11, 8-10]
7-9, 8-10
1-2, 7-9, 8-10
256K x 8 EPROMs.
512K x 8 EPROMs.
1M x 8 EPROMs.
1M x 8 EPROMs (on-board Flash disabled).
J21
General-
purpose
readable jumper
conÞguration
[No jumper]
7-8
EPROM selected.
Flash selected.
Other headers are user-deÞnable (see description).