System Controller Header J2; Serial Port 4 Clock Configuration Select Headers J6 And J7 - Motorola MVME167 Series Installation Manual

Hardware Preparation and Installation

System Controller Header J2

3
Header
Number
J2
Serial Port 4 Clock Configuration Select Headers J6 and J7
3-10
The MVME167 can be VMEbus system controller. The system
controller function is enabled by installing a jumper on header J2
(see Table 3-4). When the MVME167 is system controller, the SCON
LED is turned on.
Table 3-4. Settings for J2 System Controller Header
Header
Description
System
controller
header
Serial port 4 can be configured to use clock signals provided by the
RTXC4 and TRXC4 signal lines.
Headers J6 and J7 on the MVME167 configure serial port 4 to drive
or receive RTXC4 and TRXC4, respectively (see
Factory configuration is with port 4 set to receive both
signals.
The alternative configuration sets port 4 to drive both signals.
ConÞguration
System
controller
(Factory
conÞguration)
Not system
controller
Jumpers
J2
1 2
J2
1 2
Table 3-5).