Functional Description
2-11
2
Front Panel Switches and LEDs
There are two switches
and eight LEDs on the boardÕs front panel
(refer to
Table 2-3
,
Table 2-4
, and
Figure 3-1 on page 3-6
).
Table 2-3. Front Panel Switches
Switch
Name
Description
RESET
The
RESET
switch resets all onboard devices and drives SYSRESET* if the
board is system controller. The
RESET
switch may be disabled by software.
ABORT
When enabled by software, the
ABORT
switch generates an interrupt at a
user-programmable level. It is normally used to abort program execution
and return to the debugger.
Table 2-4. Front Panel LEDs
LED
Name
Color
Description
FAIL
Red
The
FAIL
LED lights when the BRDFAIL signal line is active.
STAT
Yellow The
STAT
LED lights when the MC68040 is halted.
RUN
Green
The
RUN
LED lights when the local bus TIP* signal line is low. This
indicates one of the local bus masters is executing a local bus cycle.
SCON
Green
The
SCON
LED lights when the MVME167 is the VMEbus system
controller.
LAN
Green
The
LAN
LED lights when the LAN chip is local bus master.
+12V
Green
The
+12V
LED lights when +12V power is available to the Ethernet
transceiver interface.
SCSI
Green
The
SCSI
LED lights when the SCSI chip is local bus master.
VME
Green
The
VME
LED lights when the board is using the VMEbus (VMEbus
AS* is asserted by the VMEchip2) or when the board is accessed by
the VMEbus (VMEchip2 is the local bus master).
Содержание MVME167 Series
Страница 1: ...MVME167 Single Board Computer Installation Guide MVME167IG D4 ...
Страница 6: ......
Страница 106: ...4 28 Debugger General Information 4 ...
Страница 132: ...5 26 Using the 167Bug Debugger 5 ...
Страница 146: ...A 14 Configure and Environment Commands A ...
Страница 152: ...B 6 Disk Tape Controller Data B ...
Страница 160: ...D 6 Troubleshooting the MVME167 Solving Startup Problems D ...
Страница 168: ...E 8 EIA 232 D Interconnections E ...