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Running into a strange issue with 24-bit mode in 7.5.1 - details below: (1) When wanting to boot into 6.0.8 on the 20SC, the IIfx prompts me to restart in 24-bit mode (no problems here - everything is fine). When I want to go back to 7.5.1, the IIfx remains in 24-bit mode and boots normally with...

I plugged in my external 1.2GB drive and changed the main SCSI ID of the internal Quantum 1.2GB drive from 0 to 1. From there I used by Silverlining 5.7 disk and reprogrammed the SCSI setting on the 80MB Quantum drive from 0 to 2. Lastly, I reset the internal Quantum 1.2GB's ID back to 0.

Here's a pic of Drive Setup in OS 8.1: The program is called Silverlining (Version 5.7). It was bundled with the final external Apple SCSI drives that were produced by LaCie for Apple around 1997. I do have a manual but its a TeachText doc so I'll need to find a way to convert it to a PDF. I'm...

I have the internal Quantum drive set to ID 0 and the 80MB Quantum set to ID 2 by Silverlining. There’s no conflict on the SCSI bus and everything is working fine.

Installed Silverlining 5.7 on the 80MB Quantum drive. I can now control and set the SCSI ID through software - no need to worry about the ID selector on the back of the 20SC. This HD shuts down and restarts the IIfx when prompted - not when it feels like it. Clearly something was goofed up...

For the SCSI ID? I have no idea

The black terminator thing is a myth IMHO. I’ve owned a IIfx for nearly 10 years and never had any issues using whatever terminators I’ve had on hand. Besides, this isn’t a termination issue - it’s now about getting another drive to interact with the SCSI ID cable in my 20SC since my ST-225N is...

Never really cared for that. I could reformat my 1.2GB Quantum drive and add another partition for 6.0.8 - but I'd like to know how to get the ID selector on the back of the 20SC to work with the jumper array of another drive besides the ST-225N. I had the same problem with my AVID SCSI case -...

So I removed the ST-225N from the 20SC case. It was fairly easy - even though the HD bracket is held in by those stupid plastic pressure tabs that always get brittle and break. Fortunately, the bracket is interchangeable with both 3.5” and 5.25” drives. However, the 20SC seems to have been...

Updating this as I transferred the data from the ST-225N to my 1.2GB Quantum drive that was partitioned using Silverlining 5.7 A few things: (1) The ST-225N refused to be detected and initialized by the Silverlining 5.7 software (I would get either a system bomb or the Finder would hang...

Did some more reading and found reference to Firmware V1.1 here: Unfortunately Adaptec's link no longer works and a Google search provides no direct download for this Firmware revision. Also interesting is the last bullet point, which notes that optional SCSI cards in some G4 computers are not...

I’m pretty sure version 1.3 came included with the updated firmware. I didn’t see a separate link to update just the firmware.

So I downloaded version 1.3 of Adaptec's 2906 driver from their Microchip website, and version 6.1.2 of the PowerDomain control utility. Same problem as before - the Adaptec driver works perfectly (it recognizes my external SCSI drives and mounts them to the desktop) but the PowerDomain software...

I'm using the B&W's main Quantum HD. I could run the software on one of my external SCSI drives but I'd need to install an OS first. Hopefully it's not an extensions conflict. Those can be a PITA to resolve. Funny thing is the SCSI Probe software works perfectly and I can mount any external...

Well they should be compatible - they were both included in the Adaptec 2906 install disc for the PowerMac series. Anyway, I've uploaded the readme for the PowerDomain utility. On Page 19 it shows under "About PowerDomain" the 2906 card as being compatible hardware for the PowerDomain...

I tried the 2906 card again in slots #2, 3, and 4 - I still get the -69 error when opening the PowerDomain utility. For some reason slot #1 is facing the wrong way on the motherboard. If I install the 2906 card there the SCSI port on the card will be inward and not outward. Anyone know why...

I got the Portrait Display to work with the uncapped IIfx (with caveats, of course): (1) Initially, installing the Sony PS from my OrangePC IIfx made no difference. I still had a greyscale image with no cursor or welcome screen. I then moved the 8.24GC card from NuBus slot #5 to slot #2, and...

Really? So nobody here has dealt with these Adaptec SCSI cards? C'Mon Man!

Nope, just a pair of IIfx units and a Quadra 950. I had a IIcx at one point, but that was sold years ago (GE power supply was going bad and I didn't want to bother fixing it). I concur. I was viewing some old WP docs on my OrangePC IIfx and I can understand the appeal of these monitors. I've...

Zapping the PRAM on the uncapped IIfx yielded nothing (still get a bright grayscale screen on startup). I’ll try swapping power supplies but I doubt it’ll help.