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I'm just curious of any upgrades, modern or vintage that i can be searching for to add to my collection. a short list of what i currently have apart of my collection and otherwise "upgrades" -Apple IIe enhanced with duo disk (other cards included but uknown) - 1X Macintosh SE with 800KB floppy...

The only thing i figured out was the the 5010 model did need external power through the microUSB ports and all of my 5011 models worked independently without external power.

I have an External Blue SCSI. When used with my Macintosh SE FDHD Model 5011, the SCSI device works perfectly fine without the need for a micro usb power source. With my Macintosh SE Model 5010, The device only works if I power it with a micro usb cable. I thought this only applied to the Plus...

Sorry I had the order wrong but MBDF crash. Basically since the old ROMs supported system 6 and not 7. I’m pretty sure it’s a general error in loading the system files.

I have found all the extensions from forums on this website. I can confirm that the extensions do speed up boot times before the new ROM chips are installed, but result in MFBD crashes due to system incompatibility. The Patch extension fixes buzzed audio that came from the original ROM firmware...

Update: New Chips came in and I swapped out the old, in with the new. System booted without issue right into system 7.1. Thank you Skate323k137, for Sending these out to me and all within a relatively quick timeframe.

Perfect because I'm in Ohio I could not find a forum that was complete for this specific issue so here is a link to the v.2.1 Roms which should make a Radius Accelerator SE (16mhz and 25mhz) compatible with System 7 https://www.macintoshrepository.org/27255-radius-se-accelerator-2-1-roms

Mentioned in a previous thread. I came across a Radius Accelerator SE 16mhz. The board works perfectly fine, only issue is that the ROM chips are programmed for system 6. In order to have the card support system 7 I need to flash the ROMs with the latest firmware. From photos of the board...

well That ruins the fun of discovering how to do it myself. If I knew anyone in my area I would but I’m in a relatively rural area where finding someone that would know anything about vintage macs would be difficult to find I have 3 systems with 1 being the experiment mac. So i will just put...

^^^^^^ I forgot to hit reply to previous post

Yes I went into the settings on boot by holding the mouse button and turned the card off while it’s in the system. I’m saving up for a bluescsi so I can save the HDD’s.

This is the issue with my Radius SE in my other system with system 7.0.1. The Rom firmware only supported up to system 6.08 unless you sent the card in to Radius for the ROMs to be updated or the know how and files to do it yourself.

That would make more sense, I see no signs of tampering with the board itself

Im pretty sure this system is setup already to use the accelerator, the system shows under "about this Mac" that it has 15,808Kb of ram. My knowledge base so far hasn't gotten to making disk images of the system or backing up software so lll have to learn how to do that. When I purchased this...

Ive been collecting Vintage Macs recently as a side hobby. Recently I got another Mac SE in that originally belonged to someone who spoke Japanese. The system was upgraded several times with a 1.4mb drive, 40mb HDD and the extra benefit of this Mac is that it has a Sonnet Allegro Accelerator...

you're good, I pretty much got my original questions answered, I now have to get a SCSI HDD emulator. I Got to first try with a fresh install of system 6 and see if its just the firmware compatibility and then find the old Radius software/firmware and drivers and attempt to update the card to...

well that would make sense as well

The main system with the accelerator is a FDHD with a 1.4mb floppy drive, and has system 7.5.5 installed. The other system is a regular SE with 2x 800k drives but the harddisk has no OS installed Edit: to fully answer the question, I do not know if the drives work, I have a plastic test disk...

would this be solved by a reinstall of an OS or is it a deeper problem with the card itself. I currently do not have a bluescsi or any other HDD emulator, would there be another way of getting software onto the mac

The system was running and booting into the OS just fine until I installed the card, granted I did not test it today before the install, last time I booted it up was about 2 weeks ago. So far from what I have gotten out of the fourms is that it may be incompatibility with the rom firmware...