windows2 Posted March 2, 2023 Share Posted March 2, 2023 11 hours ago, Jakob99 said: I'll tag @blackwingcat and see if he has a solution to getting Windows 2000 on InsydeH2O BIOS with ACPI. ok and let us know what the answer is Link to comment Share on other sites More sharing options...
Jakob99 Posted March 2, 2023 Share Posted March 2, 2023 4 hours ago, windows2 said: ok and let us know what the answer is I think I figured out the answer. It all boils down to serial port settings even if your laptop does not have such a port. Basically, you have to disable the serial port in the BIOS, but the problem is InsydeH2O BIOS doesn't include an option to enable/disable the serial port. It is believed this is why 2000 doesn't activate ACPI under that BIOS. When using Standard PC mode, Windows 2000 will show a floppy disk driver in the device manager, but with code 10. This is because 2000 is erroneously picking up serial port (whether you have one or not) as a floppy disk drive, and so it needs to be disabled, after which you should be able to switch into ACPI under an InsydeH2O BIOS. To get access to Serial port settings if your BIOS doesn't have one would required a modded BIOS. I did post a thread here inquiring about a modded BIOS that includes serial port settings for my Acer Aspire E1-531, so hopefully someone can help unlock the serial port settings. Link to comment Share on other sites More sharing options...
Jakob99 Posted March 3, 2023 Share Posted March 3, 2023 11 hours ago, Jakob99 said: I think I figured out the answer. It all boils down to serial port settings even if your laptop does not have such a port. Basically, you have to disable the serial port in the BIOS, but the problem is InsydeH2O BIOS doesn't include an option to enable/disable the serial port. It is believed this is why 2000 doesn't activate ACPI under that BIOS. When using Standard PC mode, Windows 2000 will show a floppy disk driver in the device manager, but with code 10. This is because 2000 is erroneously picking up serial port (whether you have one or not) as a floppy disk drive, and so it needs to be disabled, after which you should be able to switch into ACPI under an InsydeH2O BIOS. To get access to Serial port settings if your BIOS doesn't have one would required a modded BIOS. I did post a thread here inquiring about a modded BIOS that includes serial port settings for my Acer Aspire E1-531, so hopefully someone can help unlock the serial port settings. Indeed, this was the answer as I got my problem fixed fixed! Details can be found here. 1 Link to comment Share on other sites More sharing options...
windows2 Posted March 3, 2023 Share Posted March 3, 2023 6 hours ago, Jakob99 said: Indeed, this was the answer as I got my problem fixed fixed! Details can be found here. Nice, I was pretty sure this will worked on Win2000 Link to comment Share on other sites More sharing options...
kocoman Posted June 8, 2023 Share Posted June 8, 2023 is it possible to debug (add serial? add debug statments printf to) acpi.sys I am getting A5 ACPI_BIOS_ERROR on coreboot/tianocore thx Link to comment Share on other sites More sharing options...
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