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You must have received your chip from EBAY by now. Does what you received look like the EBAY photo? And how well does it work? In preparation for my Color Classic STEREO MOD video, I've been looking around for sources of those chips, for people who don't have a working yet gutted LC575 like I...

Doing two boards at once is pretty amazing! They both look absolutely beautiful, Philippe! And you are doing RAM too! Fabulous! Also, thank you for telling me about the error on my BOM. I just corrected the UT Source link for U1C (SONY SND chip). By the way, I was examining the recent pic...

Just to let everyone know, I did confirm the MacSD firmware update fix works in SCSI Director Pro 2.1.7 and 4.0. So that largely answers the questions @retr01 had which I did not answer. Unless a fellow SE owner (with old ROMs & IWM) can prove me wrong, I will just assume for now that...

Yes, they work fine on my faster Macs and don't generate a Trap error like I am seeing on the SE. I will answer your other questions at a later time. Thanks, Kai. I feel a bit embarrassed since I believe that is about the 4th time you've reminded me the chip you sent to me is in fact an...

No because I still haven't gotten around to buying the required programmer, and I also don't have the required chips for the ROM replacement PCBs yet either. This is what I have right now (what you kindly shipped to me, Kai)... In the above photo, from left to right, the chips are: PLCC28...

I've made time to test the stock SE motherboard from Marcus Hesse, which has the same old version ROMs and IWM as my SE Reloaded board. I am getting the same results on it. But I need to clarify one important thing. This is address error problem in SCSI Director Pro is happening only when I...

Yes, but they aren't highly technical. The log simply shows what basic tests were run, and that they all passed.

I don't know if the -40 makes a difference, but here's the description and datasheet from NCR... http://datasheet.datasheetarchive.com/originals/distributors/Datasheets-111/DSAP0032062.pdf And the stock SE board kindly donated to me by Marcus Hesse uses this chip...

NCR as shown in the still from my video... Purchased from this UT Source page.

I cannot test the stock SE board (donated to me by Marcus Hesse) until after work tonight. I've only tested the 128K Tour on my SE Reloaded board as of right now. One kind person on FaceBook indicates it happens for him on his stock SE board though... (he has the old ROMs, just like my SE...

I should mention one other thing that is not related to SCSI... I am able to get very old versions of macOS to run on the SE Reloaded board, including System 0.97 & Finder 1.0. However, I tested the 400K Macintosh 128K Guided Tour floppy just now, and although it boots to the main menu fine...

When I booted into System 7.1 (freshly installed version from 800K disks, compatible with the Mac SE) from my BlueSCSI and then double-click FWB Hard Disk Toolkit 2.0.6, it crashes with the following error... And when I double-click the FWB SCSI Configure app, I get an "address error."...

Yes. I have tested it with a BlueSCSI and with a MacSD, using System Picker to switch between System 6, 7.0.1, 7.1, and 7.5.5.

No need for MacTest because, like I said, I used my TechStep to fully diagnose all ports. I did attempt to use MacTest SE earlier today to satisfy my curiosity; however, it cannot complete the logic board tests because it requires a special loopback cable and a special SCSI board which I do not...

I left my stock, working SE board (donated to me by Marcus Hesse) at the office., and I am here at home now testing my SE Reloaded board. My SE Reloaded board checks out fine with my TechStep and basically every other test I've conducted, but SCSI Director Pro puzzles me. It throws an Address...

I must apologize for having allowed this important thread on the "BBU" to sway quite a bit; but to get back on topic, if any of you have more insider information on Bob Bailey (above and beyond what a Google search will yield), please share those stories. It would probably take a current or...

To be honest, I need one of those tubes spanning the Pacific because good Mexican food is very hard to come by here Japan. Being originally from the state of California, I get the taco Tuesday urges here a lot. I need @trag to tube me a burrito! 🌯 🌯 🌯

At NASA, @trag was responsible for interrogating a highly advanced alien race who came to earth through what scientists call "a dent in in the universe," desperately seeking knowledge about why Apple computers are so delightfully different.

My SE Reloaded Part II video is where I solder in the 4 Bourns filters, so if you would be willing to kindly help out the community with the sale of 4 or 8pcs at a time, feel free to post a comment under that video and I will make it a pinned comment for people to perpetually see. I feel that is...

Not sure one can do that kind of fix right without proper magnification. Honestly, I wish I could afford one of those amazing dual optic microscopes that Bruce and Mac84 use. Those are amazing, but so is the price tag! I don't do teensy tiny SMD work for a living, so I cannot justify that...