Fugu, Thank you for those on OSH Park( https://oshpark.com/shared_projects/Ra3VwoJo), I just built one this weekend and it worked first time. The pins specified in BoM worked well too. Now my M100 is closer to complete with +8k RAM.
....maki.... On Fri, Aug 23, 2019 at 3:02 PM Fugu ME100 <[email protected]> wrote: > That would be me, unfortunately there are no project pages I was just > swamped with other things and dropped the ball :( > > If you have questions etc please feel free to email me directly. > > From: M100 <[email protected]> on behalf of William > stewart <[email protected]> > Reply-To: <[email protected]> > Date: Friday, August 23, 2019 at 4:46 AM > To: <[email protected]>, <[email protected]> > Subject: Re: [M100] Need help with bad RAM identification and replacement > > Can anyone provide the project page for the > OSHPARK contributor Stardust? > > To be clear, I'm looking for the project page, where one assumes the > projects are discussed in detail, not the OSHPARK Link where one can order > the PCBs. > > TIA > > William Stewart > > Sent from my iPhone > > On Aug 22, 2019, at 10:41 AM, "[email protected]" < > [email protected]> wrote: > > I ended up going the OSH Park route. I was pleasantly surprised to find > out that it costs the same $6.30 if you order 1 board or 3 boards. Plus I > chose the free shipping. > > Also ordered the other parts from Digi Key. So... total cost to me was > under $25 for everything shipped. This is enough parts to build 3 of > them. Not too bad. > > Thanks for the tip! > > Chad > > > > > On Wednesday, August 21, 2019, 07:18:31 PM CDT, Fugu ME100 < > [email protected]> wrote: > > > From A000H to BFFFH is Option RAM #2 based on figure 3-5 in the 100 > Reference Manual. This would cover the bad RAM. So this looks correct. > > If it is a Model 100 the modules were available form Arcade Shopper > https://www.arcadeshopper.com/wp/?page_id=11#!/8k-RAM-module-for-Model-100/p/104430801/category=28313042 > <https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.arcadeshopper.com%2Fwp%2F%3Fpage_id%3D11%23!%2F8k-RAM-module-for-Model-100%2Fp%2F104430801%2Fcategory%3D28313042&data=02%7C01%7C%7Cfad5f45a1462444cb82e08d727bf8cad%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637021575957814064&sdata=Zm2zYgxccp4APvqynwnMJgs1KIM%2FwyZl4GGra50UlRo%3D&reserved=0> > but they appear to be out of stock. > > There are a few list contributors who also build 100 modules they might > have some built and OSH Park has the PCBs to build your own modules if you > want to go down that route for example: > https://oshpark.com/shared_projects/V0tpeuMg > <https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Foshpark.com%2Fshared_projects%2FV0tpeuMg&data=02%7C01%7C%7Cfad5f45a1462444cb82e08d727bf8cad%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637021575957814064&sdata=p3fN0Ls1IUL4LD%2FBIaqIthOXGU4a2d7PbPIC2tMTbHw%3D&reserved=0> > there > are others out there > > > From: M100 <[email protected]> on behalf of " > [email protected]" <[email protected]> > Reply-To: <[email protected]> > Date: Wednesday, August 21, 2019 at 4:31 PM > To: "[email protected]" <[email protected]> > Subject: [M100] Need help with bad RAM identification and replacement > > > Can someone verify for me that B000-BFFF would be part of the M7 (Option > RAM #2) RAM chip? Of the four RAM chips, this is the second one from the > left. > > Second question is... where can I buy replacement RAM for this? I am good > with a soldering iron so I realize I will have to desolder the existing bad > RAM and socket it and pop in the new RAM. > >
