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Tried a couple of different 7.1.1 CD images that came from Macintosh Garden/Repository and it seems BlueSCSI doesn't like any of them - CD3 InstallMeFirst CD.toast - bad SCSI LUN in filename, Using default LUN ID 0 - CD3 InstallMeFirst CD.toast CDROM / 80009216bytes / 78134KiB / 76MiB MODE2:0...

Yay Powerbook BlueSCSI boots into 7.1.1 and the display looks great. 8MB machine. I tried to put the installer .cdr on there as an image after renaming the extension to .iso and using CD30 as the filename start but it doesn't show up on the desktop. Conventional wisdom seems to suggest that Mac...

Unusually was expecting the drive to be a Connor but it's actually an IBM WDS-280 (80MB) but despite a few taps on the table it won't spin up. Oh well. I did open it up and the platter seems to spin freely so maybe the motor is banjaxed.

It does have a ram expansion card but I can't tell size until I get it to boot to OS. But at least it isn't base memory. I may go 7.5.5 ?

I ordered th PowerBook version of BlueSCSI. What’s the best OS to run on it ?

I got the regular one. Maybe I need the PowerBook version. Is bluescsci still the one to go for?

Yay that solved it. Replacing the Zener and the tantalum cap next to it (it have me an inconsistent read) brought it back to life. Screen appears to be undamaged, no missing lines and no tunnel vision I can see. Of course I am now getting the flashing question mark because I can't hear the HD...

now why didn't I think of that...

Yes, all I had to go on was the KW marking....

I can only find the DDZ13BS in the super tiny packages....

Well funny enough the guy I got it from didn't have a power brick so I'm wondering if someone tried to power it from a third party adaptor in which the polarity was wrong and that's what killed it.

Removed from the board it tests conductive in both directions...

Hmm well one of those is not like the other. I wasn’t paying attention and should have measured the package. Rookie mistake.

Thanks I’ll order a few and test…

I can't find it now but I thought there was a post here from someone who found a damaged diode on the motherboard and replacing it fixed it. I think I have a short on D15 as it was getting hot when powered up. ANybody had D15 go south or can tell me what it is - I can't make it out on the...

well I was working for an Applecentre in Cambridge UK at the time and I advocated his case with Apple UK. I mean when the nearest Apple Service Center is over a thousand miles away and your laptop for research craps out after four weeks with five months more of your stay, I think they got the...

There’s a lot I have forgotten from those wild PowerBook days. I had one customer who took a PB100 out to the Scott Polar Research station in Antarctica and it died after four weeks. Apple agreed to upgrade him free of charge. Those were the days.

Thanks for the schematic I had been looking for something like that but I forgot that the PB1XX range had essentially the same motherboard but the daughtercard switched the tracks on the functionality. PSU is putting out the stated 7.5v but I have not taken it apart to check the caps so I guess...

After wrestling an original Portable back to health I figured it was time to embrace the grey brick era. I remember working on these back in the day when they were easy to change things out. At the time the helpful SSOL used to work through "won't power on" as Check PSU. Done. Reset PMU. Done...

I remember our AASP being sent one of these back in the day. As I recall Apple expected the dealer to pay for it. Of course. At the time of Service Exchange, Apple were getting back a lot of No Fault Found boards and tacked on a handling charge to the dealer. So this was seen as a way of sanity...