#: 21222 S12/OS9/68000 (OSK)
16-Oct-95 02:28:19
Sb: #21216-#OS-9 on MVME162LX
Fm: Jost Eberbach 73502,2041
To: Manfred Berger 76570,2207 (X)
Hello Manfred,
regarding the off-board memory Ole Hansen already gave you some good hints. The
VMEchip needs some registers initialized, before you can access the VMEbus
safely. The OS-9 debugger does that automatically for you, but apparently not
the Mototrola Rombug.
For the serial ports, I also tried to use higher baud rates. I found out, that
with OS-9 version 2.4 the device driver is not able to use a higher baud rate
than 19200, although the chips are specified to go up to a speed of 38.4kbaud.
I think with OS-9 3.0 this is fixed, but I'm not sure, I never tried it. Ole is
right, that it doesn't make much sense to use more than 9600 baud on the
console (/term) port, because the debugger uses that baudrate as default, and
it's not easy to change that. But it makes some sense to use a higher baud rate
on serial port 2 (/t1), especially if you use it to download files.
Regards,
Jost
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