Re: [M100] New Boards

Oops my bad S it¹s a fair copS. I think I have some blank boards left if you want to build one yourself. Just email me off line with your shipping details etc. Most likely I will not ship until after Xmas to avoid the mailing rush. It is quite a straightforward build if you are comfortable with

Re: [M100] New Boards

Great discussion.  It's sort of like restoring a car or motorcycle.  Do you do a "restoration" where the PCB is identical to the factory model with the goal of having a reliable copy of what came off the factory floor or a "resto-mod" where you just use the shell and all the internal are new wi

Re: [M100] New Boards

On Thu, Dec 17, 2020 at 6:23 PM B4 Me100 wrote: > > I took both options reliable and newer features using a Teensy 3.6 to > provide the CPU power and interface versatility. It has all the features Excuse me, sir - I'm from the forum police, and you can't just drop a bombshell this into a thread

Re: [M100] Eneloops vs Ikea Ladda

https://eneloop101.com/batteries/rewrapped-batteries/ this link shows many "rewrapped" eneloops are out there. the Ikea ones seem well priced. On Thu, Dec 17, 2020 at 5:11 PM John R. Hogerhuis wrote: > Interesting. I wonder if the 2450 refers to capacity? > > Eneloop AA's are advertised as 200

Re: [M100] Eneloops vs Ikea Ladda

Interesting. I wonder if the 2450 refers to capacity? Eneloop AA's are advertised as 2000 mAh, 2100 charge cycles. The Eneloop Pro is 2550 with 500 charge cycles. On Thu, Dec 17, 2020 at 2:05 PM Stephen Adolph wrote: > I have read that Ikea Ladda batteries are rebranded Eneloops. > Anyone ever

[M100] Eneloops vs Ikea Ladda

I have read that Ikea Ladda batteries are rebranded Eneloops. Anyone ever tried the Ikea NiMH? they are attractive at 1/2 the price of Eneloop...

Re: [M100] New Boards

OKI makes some really cool enclosures. Some that look very 80’s. Take a look at what they have to offer: https://www.okwenclosures.com/en another option is to look at kids toys from the 80’s to gut. I picked up one of these cool looking toys to one day use as an enclosure for some project: htt

Re: [M100] New Boards

I’ve been considering the same thing. You can get those screens on Amazon for around $120... Although what I really want to do is build a 100% new system... I just don’t have a way to make a case. On Thu, Dec 17, 2020 at 12:47 PM Scott McDonnell wrote: > Sacrilege, but someone installed a Raspb

Re: [M100] FFC for LCD & Keyboard (M102)

Bert, I don't really need it so how about $20 plus shipping? Robert -Original Message- From: M100 [mailto:m100-boun...@lists.bitchin100.com] On Behalf Of Bert Put Sent: Wednesday, December 16, 2020 12:39 PM To: m...@bitchin100.com Subject: Re: [M100] FFC for LCD & Keyboard (M102) Hi Rob

[M100] New Boards

Long time Club100 member here, more from the user side than engineering or programming world. I see people are coming out with complete kits to build new versions of old computers - including the PCB.Economical? Might that be coming for the Model T someday?  Dumb thought?

Re: [M100] New Boards

Sacrilege, but someone installed a Raspberry Pi into an M100: https://www.raspberrypi.org/forums/viewtopic.php?t=188635&p=1188668 Sent from Mail for Windows 10 From: James Zeun Sent: Thursday, December 17, 2020 3:27 PM To: M100 Mailing List Subject: Re: [M100] New Boards This sounds very intere

Re: [M100] New Boards

I agree, I'm intrigued by some of the possibilities of this. I've always dreamed of a "modernized" M100 that is just the size of of the screen, and you use it with a bluetooth keyboard. CAM > On Dec 17, 2020, at 12:18, James Zeun wrote: > > This sounds very interesting. A similar thing has b

Re: [M100] New Boards

This sounds very interesting. A similar thing has been done with the Commodore Amiga. With new, revised boards some providing additional features. Such as giving AGA graphics to the A3000. James On Thu, 17 Dec 2020, 8:05 pm Josh Malone, wrote: > On Thu, Dec 17, 2020 at 2:44 PM Stephen Adolph

Re: [M100] New Boards

On Thu, Dec 17, 2020 at 2:44 PM Stephen Adolph wrote: > > the purpose being more reliability? or new features? One of the main purposes of a lot of these new boards is to replace hopelessly-damaged vintage ones.But, in addition to this, one might consider: * Modernizing the PSU; Providing addit

Re: [M100] New Boards

the purpose being more reliability? or new features? On Thu, Dec 17, 2020 at 2:38 PM Josh Malone wrote: > The idea of a new PCB for the M100 has been percolating in the back of > my mind for a while - primarily though because I'd like to reproduce > the schematic in KiCad and nce that's done, l

Re: [M100] Model 100 Repair - Keyboard not responding, LCD missing a column

On Thu, Dec 17, 2020 at 2:08 PM mcdonnell.junk wrote: > > And, well, I *did* break a trace and possibly pulled out a barrel. Lol. That > was likely my impatience and not the tool. I did test the force requir3d to > pop the chip out before prying on it and it came out easy, so I thought all > wa

Re: [M100] New Boards

The idea of a new PCB for the M100 has been percolating in the back of my mind for a while - primarily though because I'd like to reproduce the schematic in KiCad and nce that's done, laying out a new PCB would be "relatively" easy :) On Thu, Dec 17, 2020 at 12:29 PM Chris Fezzler wrote: > > Long

Re: [M100] Model 100 Repair - Keyboard not responding, LCD missing a column

Of course! I completely understand. Just wanted to toss that out there in case anyone was afraid to make suggestions for rework to me.And, well, I *did* break a trace and possibly pulled out a barrel. Lol. That was likely my impatience and not the tool. I did test the force requir3d to pop the c

Re: [M100] Model 100 Repair - Keyboard not responding, LCD missing a column

For sure. The back of my board is covered in a thick layer of flux and it looks like the type that likes to eat traces over time and sometimes even becomes conductive. Typical 80s flux. I wish I had a board washer at home because they don't like us playing with the one at work. I'll just have to

Re: [M100] Model 100 Repair - Keyboard not responding, LCD missing a column

In the past few weeks I have seen a couple of very odd problems with M100s. #1) One tow of keys (from matrix point of view) showing up as the previous row (like row 2 showing up as row 3). Looked at with a logic analyzer and you could see the signal from each row. However, this was not a sim

Re: [M100] Model 100 Repair - Keyboard not responding, LCD missing a column

On Thu, Dec 17, 2020 at 11:30 AM mcdonnell.junk wrote: > > I am an electrical engineer. That doesn't mean I am an expert in all things > (or even a lot of things), but my home lab is very well equipped with various > scopes, logic analyzers, eeprom and various other programmers, an eeprom > emu

Re: [M100] Model 100 Repair - Keyboard not responding, LCD missing a column

Scott, if you have a scope that will be extremely helpful. In my experience you can sorta tell when the CPU is booting, and has access to RAM and ROM, by looking at the signals on the bus. I typically check out the signals at the main ROM first, then go to the nearest RAM. Those parts are at the

Re: [M100] Model 100 Repair - Keyboard not responding, LCD missing a column

I am an electrical engineer. That doesn't mean I am an expert in all things (or even a lot of things), but my home lab is very well equipped with various scopes, logic analyzers, eeprom and various other programmers, an eeprom emulator, processor emulators, hot air rework station, electrical des

Re: [M100] (no subject)

This is fantastic — thanks! > That would be, > > http://club100.org/memfiles/index.php?&direction=0&order=&directory=Steve%20Adolph/ROM2S > > I will download and setup the rom2s1.do file later today. Thi

Re: [M100] (no subject)

On Thu, Dec 17, 2020, 9:29 AM Steve Baker wrote: > Hello again, and thanks for your response! > > For any NEC rom (meaning, does NOT need a pinout adapter like all the > 100/102/200 roms do) you could get a bare TL-866 from ebay. > > > This sounds awesome… I ordered one and it should arrive by Mo

Re: [M100] (no subject)

Hello again, and thanks for your response! > For any NEC rom (meaning, does NOT need a pinout adapter like all the > 100/102/200 roms do) you could get a bare TL-866 from ebay. This sounds awesome… I ordered one and it should arrive by Monday, and I look forward to learning how to use this tool

Re: [M100] Model 100 Repair - Keyboard not responding, LCD missing a column

Sorry for not chiming in yesterday. Before taking the soldering iron to anything, it's good to always check the power supply rails for proper voltages and remove the optional RAM modules (as I see you have done). What sort of tools do you have available? (oscilloscope, multimeter, temp-controlled s