Hi,
These days I found a DKB MegAChip, I connected it following what is written in the manual. But I have noticed that when I turn on my computer I sometimes get a green screen and then it continues booting. I also saw that on the upper line of the workbench where the memory is indicated that the ChipRAM is much less than 2 MByte. What could it depend on?
Thanks
G
DKB MegAChip
Moderators: terriblefire, Terriblefire Moderator
DKB MegAChip
A2000 - MC68000 - KS3.1 - WB 3.1 - 2MB ChipRAM - Impact A2000-HC+8 Series II - 8 MB FastRAM - SD2SCSI 16GB - Indivision ECS
Re: DKB MegAChip
Have you got the additional wire connected to Gary?
Can you upload a picture of the chip and how it is installed into the motherboard?
Can you upload a picture of the chip and how it is installed into the motherboard?
Re: DKB MegAChip
Yes, the cable is connected to pin 36 of the Gary. The green screen doesn't show it anymore. The system boots, but always shows little chipram.
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- 3.MegAChip_DBK.jpeg (122.7 KiB) Viewed 3519 times
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- 2.MegAChip_DBK.jpeg (199.2 KiB) Viewed 3519 times
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- 1.MegAChip_DBK.jpeg (337.98 KiB) Viewed 3519 times
A2000 - MC68000 - KS3.1 - WB 3.1 - 2MB ChipRAM - Impact A2000-HC+8 Series II - 8 MB FastRAM - SD2SCSI 16GB - Indivision ECS
Re: DKB MegAChip
Most likely contact issues. I'd remove the megachip and clean the socket pins and megachip contacts with contact cleaner.
Re: DKB MegAChip
I tried to clean the contacts with the anti-oxidant spray for electronic components, but nothing has changed.
A2000 - MC68000 - KS3.1 - WB 3.1 - 2MB ChipRAM - Impact A2000-HC+8 Series II - 8 MB FastRAM - SD2SCSI 16GB - Indivision ECS
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Re: DKB MegAChip
What happened to the micronik. Please finish these threads off! tell us what happened.
———
"It is not necessarily a supply voltage at no load, but the amount of current it can provide when touched that
indicates how much hurting you shall receive."
"It is not necessarily a supply voltage at no load, but the amount of current it can provide when touched that
indicates how much hurting you shall receive."
Re: DKB MegAChip
terriblefire wrote: ↑Thu Nov 12, 2020 2:12 pm What happened to the micronik. Please finish these threads off! tell us what happened.
Excuse me. I forgot to write the conclusion and I have concluded that thread now.
Thank you
G
A2000 - MC68000 - KS3.1 - WB 3.1 - 2MB ChipRAM - Impact A2000-HC+8 Series II - 8 MB FastRAM - SD2SCSI 16GB - Indivision ECS
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Re: DKB MegAChip
Its worth testing that Angus is working and its a version compatible with that board.
https://en.wikipedia.org/wiki/MOS_Technology_Agnus
The different chips have different pinouts.
https://en.wikipedia.org/wiki/MOS_Technology_Agnus
The different chips have different pinouts.
———
"It is not necessarily a supply voltage at no load, but the amount of current it can provide when touched that
indicates how much hurting you shall receive."
"It is not necessarily a supply voltage at no load, but the amount of current it can provide when touched that
indicates how much hurting you shall receive."
Re: DKB MegAChip
The DBK Agnus is identical to the Micronik Agnus.terriblefire wrote: ↑Thu Nov 12, 2020 4:23 pm Its worth testing that Angus is working and its a version compatible with that board.
https://en.wikipedia.org/wiki/MOS_Technology_Agnus
The different chips have different pinouts.
I put the DBK Agnus in place of the Micronik Agnus and the Micronik still works fine.
Then I put the Micronik Agnus in the DBK and the DBK gives the usual problem.
At this point it is not a problem of the Agnus.
A2000 - MC68000 - KS3.1 - WB 3.1 - 2MB ChipRAM - Impact A2000-HC+8 Series II - 8 MB FastRAM - SD2SCSI 16GB - Indivision ECS
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- Moderator Team
- Posts: 5362
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Re: DKB MegAChip
Thats not necessarily true. The Micornik and the DKB could need different Agnus pinouts.GianDO wrote: ↑Thu Nov 12, 2020 6:40 pmThe DBK Agnus is identical to the Micronik Agnus.terriblefire wrote: ↑Thu Nov 12, 2020 4:23 pm Its worth testing that Angus is working and its a version compatible with that board.
https://en.wikipedia.org/wiki/MOS_Technology_Agnus
The different chips have different pinouts.
I put the DBK Agnus in place of the Micronik Agnus and the Micronik still works fine.
Then I put the Micronik Agnus in the DBK and the DBK gives the usual problem.
At this point it is not a problem of the Agnus.
EDIT: Doesnt look likely though you seem to have the same chip as they come with normally
———
"It is not necessarily a supply voltage at no load, but the amount of current it can provide when touched that
indicates how much hurting you shall receive."
"It is not necessarily a supply voltage at no load, but the amount of current it can provide when touched that
indicates how much hurting you shall receive."