Status Indicators; Rst Indicator (Ds1); Cpu Indicator (Ds2); Connectors - Motorola MVME5100 Manual

2 Operation
Note
SYSRESET# remains asserted for at least 200 ms, as required by the VMEbus
specification.

Status Indicators

There are two Light-Emitting Diode (LED) status indicators located on the MVME5100 front
panel. They are labeled

RST Indicator (DS1)

The yellow
BFL
LED test. The
MVME5100 Single Board Computer Programmer's Reference Guide (V5100A/PG) for
information on these registers.

CPU Indicator (DS2)

The green
CPU

Connectors

There are three connectors on the front panel of the MVME5100. Two are bottom-labeled
10/100BASE T

10/100 BASE T Ports

The two RJ-45 ports labeled
10BaseT/100BaseTX Ethernet LAN interface. These connectors are top-labeled with the
designation

DEBUG Port

The RJ-45 port labeled
TL16C550 Universal Asynchronous Receiver/Transmitter (UART) controller chip. It is
asynchronous only. For additional information on pin assignments, refer to
Assignments.
The
DEBUG
firmware console for the factory installed debugger, PPCBug. The port is configured as follows:
After power-up, the baud rate of the
Port Format (PF) command.
14
MVME5100 Installation and Use (V5100A/IH5)
and
BFL CPU
LED indicates board failure; this indicator is also illuminated during reset as an
is set if the MODFAIL Register or FUSE Register is set. Refer to the
BFL
LED indicates CPU activity.
and one is labeled
DEBUG
10/100 BASE T
and .
LAN1 LAN2
provides an RS232 serial communications interface, based on
DEBUG
port may be used for connecting a terminal to the MVME5100 to serve as the
8 bits per character
1 stop bit per character
Parity disabled (no parity)
Baud rate = 9600 baud (default baud rate at power-up)
.
.
provide the
port can be reconfigured by using the debugger's
DEBUG
Chapter 6, Pin