Well that's cool, but I've seen 2.88M disks about as often as I've seen a Bigfoot in Montreal. https://www.ebay.ca/itm/Maxell-MF2ED-2-88MB-4MB-DS-ED-…login to view the rest of this post

That's nothing, here is a chip made in 1922. https://www.ebay.com/itm/1PCS-IC-MOS-DIP-40-MOS8502-MPS8502-CSG8502-8502/362991698682?_trkparms=aid%3D1110001%26algo%3DSPLICE.SIM%26ao%3D1%26asc%3D225085%26meid%3Df1b4013d46ad46eb8bdb2af9e62b9f95%26pid%3D100005%26rk%3D5%26rkt%3D12%26mehot%3Dpf%26sd%3D1641...

Well that's cool, but I've seen 2.88M disks about as often as I've seen a Bigfoot in Montreal.

https://www.ebay.ca/itm/Maxell-MF2ED-2- ... cAvISspace…login to view the rest of this post

The second is a sold item.
Winning bid: US $756.00

https://www.ebay.ca/itm/Very-Nice-Commodore-1581-Disk-Drive-In-Box-Tested-and-Working/153945842422?hash=item23d7e322f6:g:ds4AAOSwbQVerumM Are 1581s re…login to view the rest of this post

Yeah not my favorite drive. I've put this little clunker on the back burner, it's a bag of never-ending problems.

Guess the answer is yes. http://www.everythingcommodore.com/request.php?540 But the 128 is a bizarre machine, I didn't know that the 128K is apparently not "flat" for BASIC. It really uses a 64K bank for code, and the other for variables. So in any case, since there's very little native 12...

According to the memory map, the 128 could address four banks of 64k, has anyone ever put an extra 128k in a 128?

Apparently someone will collect my eBay junk at work and send them but it's really not important so ...
more waiting. In the meantime I desoldered the 40 pin DIPs and now I have to repair the 5 lifted traces I created. What a junky PCB...

There are at least two board versions, of that I am sure. However since I am no longer physically at work and all my junk orders get delivered to work, I have no new chips in any case.