A2000 not running Demos anymore.

Joined
Nov 26, 2019
Posts
75
Country
Canada
Region
Ontario
I have an A2000 with the following:

Fat Olga, the newest one with the M.2 drive.
ZZ9000 with sound card
Freeway Triton Lite (just added)

Since I have added the Freeway the Amiga demo's I have tried cause the Amiga to do a hard crash wereby the machine locks up when the demo starts to play (I see maybe a frame or two) before it locks up requiring me to do the 3 finger salute.

I have yet to try to remove the Freeway and see if they load up since they were working before the card was installed. The Freeway itself works nicely.

I wonder if the Oracle has any other suggestion?

I am running OS 3.2.1 with the ROM being the same version. I also wonder if this a problem that can happen or has happened in the past when you add too may cards or certain cards?

Thanks,
 
Ask Gemini, if You don't trust/believe me..

AI Overview

The Amiga 2000's internal hardware has designated interrupt lines, but external network and USB devices must use the expansion connectors' external interrupt lines, INT2* and INT6*, which connect to the peripheral chip. These external devices must have drivers that correctly handle interrupts, as a common issue is system instability when a peripheral (like an old network card) creates certain types of interrupts that the operating system's handlers can't fully manage.
How interrupts work on the Amiga 2000
Internal vs. External interrupts: The Amiga 2000's internal hardware generates interrupts on levels 1 through 6. For expansion cards, the system provides separate external interrupt lines.
External interrupt lines: Network cards and USB controllers will use the expansion connector's INT2* and INT6* lines.
Peripheral chip: These external lines are routed through the peripheral chip, which creates interrupt levels 2 and 6.
OS handling: It is recommended to use these external lines and let the Amiga's operating system handle the interrupts, rather than trying to generate interrupts directly on the processor.
Common issues and solutions
Interrupt conflicts: A common problem, especially with older hardware, is a network card generating interrupts that conflict with the operating system's handling of other interrupts, leading to system freezes.
Driver compatibility: The issue is often with the specific driver for the expansion card and its interaction with the operating system's interrupt handlers, not with the interrupt system itself.
Solution: For issues like those caused by old network cards, the solution typically involves updating drivers or, if that's not possible, avoiding certain configurations or the device altogether.


 
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