Motorola 900 series - MVME339 Etherplex Controller

VME Expansion Module
MVME339 Etherplex Controller
3-24
The MVME339 is a terminal I/0 subsystem controller is a terminal server used
to connect a variety of EIA-232-D devices and parallel printers to the system.
Header
El
E2
E3
E4
ES
E6
E8
E10
E12
E7
E9
Ell
E13
E14
E15
E16
E17
E18
E19
E20
E21
E22
E23
If you have an MVME338 and MVME339 installed in your
system, you need to make sure that the addresses of those
boards are unique. If the addresses are the same, your
system will panic during boot up.
Table 3-11. MVME339 Jumper Settings
Description Setting
VMEbus Interrupt Configuration
3-4
1-2,5-6
Slave Address Base
7-8
(See Figure)
Slave
Address Jumper (See Figure)
Bus Grant Level Selection (Level3)
1-2,3-4
2-3
2-3
2-3
Bus Request Level Selection
1-2
No Jumper
No Jumper
No Jumper
Status/ID Byte
(See Figure)
Master Cycles Allowed
1-2,3-4,7-8,9-10,
100
(decimal) transfers (64H) 15-16
Enables
E15 1-2
Dual-Port Memory Jumpers 1-2
1-2
No Jumper
1-2
32/16-Bit Master Cycles
1-2
EPROM Size Configuration (64K bytes)
1-2
Self-Test Jumper I Configuration Register Settings
1-2,3-4
Reference Guide
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