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Old TT motherboard restoration
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stephen_usher
- Site sponsor
- Posts: 7415
- Joined: 13 Nov 2017 19:19
- Location: Oxford, UK.
Re: Old TT motherboard restoration
It shouldn't crash without termination, merely not see anything. Sounds like your SCSI controller chip is probably fried.
Intro retro computers since before they were retro...
ZX81->Spectrum->Memotech MTX->Sinclair QL->520STM->BBC Micro->TT030->PCs & Sun Workstations.
Added code to the MiNT kernel (still there the last time I checked) + put together MiNTOS.
Collection now with added Macs, Amigas, Suns and Acorns.
ZX81->Spectrum->Memotech MTX->Sinclair QL->520STM->BBC Micro->TT030->PCs & Sun Workstations.
Added code to the MiNT kernel (still there the last time I checked) + put together MiNTOS.
Collection now with added Macs, Amigas, Suns and Acorns.
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frank.lukas
- Posts: 812
- Joined: 19 Jan 2018 11:52
Re: Old TT motherboard restoration
Use the NVRam Soft from Uwe Seimet (HDDriver) to set the machine (TT) SCSI ID to 7.
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mgi
- Posts: 136
- Joined: 06 Jun 2021 16:37
Re: Old TT motherboard restoration
Will try and if not I guess new SCSI chip?
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frank.lukas
- Posts: 812
- Joined: 19 Jan 2018 11:52
Re: Old TT motherboard restoration
You need a 6V NVRam Battery for the Mainboard ...
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stephen_usher
- Site sponsor
- Posts: 7415
- Joined: 13 Nov 2017 19:19
- Location: Oxford, UK.
Re: Old TT motherboard restoration
4x AAA batteries in a holder works wonderfully (and cheaply).
The TT will run without one, or at least mine did for a while.
The TT will run without one, or at least mine did for a while.
Intro retro computers since before they were retro...
ZX81->Spectrum->Memotech MTX->Sinclair QL->520STM->BBC Micro->TT030->PCs & Sun Workstations.
Added code to the MiNT kernel (still there the last time I checked) + put together MiNTOS.
Collection now with added Macs, Amigas, Suns and Acorns.
ZX81->Spectrum->Memotech MTX->Sinclair QL->520STM->BBC Micro->TT030->PCs & Sun Workstations.
Added code to the MiNT kernel (still there the last time I checked) + put together MiNTOS.
Collection now with added Macs, Amigas, Suns and Acorns.
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mgi
- Posts: 136
- Joined: 06 Jun 2021 16:37
Re: Old TT motherboard restoration
Well, I plugged again external SCSI HDD and added terminator at its end as I happened to have one and it works. I can run Mint and no surprises as of yet. I plugged the battery but 3.5V - seems to be holding watch and date - should I change it?
Big thanks - process ongoing
Michal
Big thanks - process ongoing
Michal
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