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Found an alternative to the interface boxes and cabling, as these parts are not to be found in my country. Solder a couple of PS2 female connector in parallel, only 4 pins to solder on every connector. For cabling I used also PS2 cable (SVIDEO could also work) and broke away to plastic key so...

Does the B&W G3 than also support synchronous communication, what I found on the web is that the Griffin gPort only converts to RS422 signals ?

Some sad news, went to picked up the machine and it did not boot anymore ! Can power up the machine with the keyboard, HD spins for a couple of seconds and then nothing... After years not being used the owner booted it up to take some pictures to put on the bidding website, then the morning I...

Hi Robin, What is the current status please ? I currently have 6~7 Mac from SE to G3 in my collection that I would like to add to an AppleTalk network, share some drives ... Next I would like to connect and 68360 embedded controller (I designed HW with it back in the 90) to AppleTalk, it...

Thanks for that Phipli, I only found 1024x768 max on other sites. Yes 1280x1024 with 256 colors will be more then enough as desktop for programming tasks. So the standard 2MB will be good enough for now. My ultimate goal is to build a KVM so I can switch keyboard, mouse and screen between all...

I'm back and first thing I did was the repair a not working SE/40 with success :) Clear picture, no strange noises from HD nor fan. New from September 1996 and last used on November 1998, just run as they say. This will be a perfect candidate for the Low End MAC on the Apple Talk network...

As I can get the ATI card cheaper then an 4MB memory upgrade I will go this way. I also checked the web but the numbers are for Windows and very different from what Apple reported... Generally I just made a calculation what can be displayed with 2MB and 4MB at 16 bits and seems 1280 can only...

Hi, I would like to get 1280 x 1024 resolution from my beige G3 (don't need 32 bits color), but with the 2MB standard it will not work. I can't find video memory upgrade for my beige G3 266, would it work if I add an ATI rage II PCI card (think it had 4MB) ? Br, Steve

Reading the "Guide_to_Macintosh_Family_Hardware_2nd_Edition_1990" I found some interesting info : 1. The /W/REQA signal from the SCC (only option for DMA) on the Plus, SE and SE/30 goes to PA7 of the VIA chip, So DMA is not possible on the old Macs. Only on the IIfx they go to the IOP...

Thanks for the link, I was wondering how to set the external clock option and found something in that thread. It's input only (differential buffer in-between), the signal also need a boost to be used by multiple other Macs. I would go for 1 external 1MHz clock and a good driver chip, it...

I know the AM85C80 SCC+SCSI chip also supports DMA for the SCC (and the SCSI), but this signal runs only to the GLUE logic VYI6508-2 gate array. Is there any documentation available about this chip how to program it please ?

I was reading some articles about ADB and it always says when you insert a device into a running mac you can destroy it ??? Only detail I found was a soldered fuse on the mainboard , can anybody confirm this, experience ? I would use an external power supply so this is no issue. On your...

Good news, works fine between the new LC475 and the Performa 5300. Now I have working system to measure on with the logic analyzer. My first ideas : - it's slow to todays standards, but for the 90 with only small files and minimal extra HW needed I would have loved it. - Also the slave...

Thanks for the doc. Some 30 years ago my jobs was to created CPU boards with the Motorola 68360, it's a 32 bit communication processor with 4 SCC onboard that support AppleTalk. I kept the original ceramic parts used for the development up to now, because I always wanted to build 'something'...

I found a video of "Adrian Basement" on Youtube where he also has the same issue is I have, but with the full PhoneNet network setup. He connected 2 Macs, made the correct setup but did not see the other computer in the panel as I do. He then makes a jump in the video where it works and says he...

I have both, and found this out the hard way that both are not the same. I got one Apple (cross) cable when buying the 6300 so I made a serial connection with Zterm between 2 machines, worked file. Took an USB to RS232 adaptor for my Windows laptop and swapped out the RS232 for RS422 driver...

My main goal is to write a "sceen-saver" program the runs on multiple Macs in parallel, showing a Amiga ball (or whatever) bouncing over all the screens. AppleTalk could be a solution to communicate to each mac where the ball will go next.

Thanks for the confirmation, I will have a good look at youtube how it's done as I know the HW is good (works with ZTerminal). Up to know I was not able to see the other computer in the list of AppleTalk control panel. Br, Steve

I opened up all 3 devices today (unfortunately the seller of the classics tried to power them up already ) and found some good and bad : One classic looked good no damage found, needs clean and recapping. Second classic has ugly battery damage, part of the metal is damaged and part of the...

Hi Tashtari, I think I'm in a similar situation as you where, I would also like to control my collection of Macintoshes from one single keyboard & mouse. But then also have the option to display everything on a single LCD monitor ... I got myself a second hand 8 inputs KVM for PCs with DB15...