Re: [M100] ROM AvailableHi Georg, Thanks for the plug; you beat me to it. When I've mentioned this adapter there's usually been little or no interest so it's gratifying to read that someone else has actually built one and is happy with it.
I haven't tried it but I see no reason why it would not also work in the option ROM socket with a suitable spacer; in fact that might also give you the option of two (or even more) option ROM images. Regarding the pins, yes, the ones I used seem to have become scarce and/or expensive; however, you could probably use pins extracted from a suitable IC socket with the tops cut off, or even just short pieces of wire. And thanks to Steve Adolph for his help in getting the original boards made and his excellent writeup on Bitchin100! Unfortunately since he was working with an old schematic the option jumpers are not shown or explained; they select a '256 or '512 ROM and also allow (re)programming if it's configured for a 'new' M100 (or you make a 'reverse' adapter). Perhaps it's worth mentioning again that when it comes to the pinout of the System ROM there are two versions of the M100: the original version used a chip with a slightly non-standard pinout, similar to the option ROM; some time late in 1983 (serial numbers starting with 311, 312 or 4) they changed to a JEDEC standard 27C256. See WhatVersionM100.pdf in Steve Adolph's personal library on Club100. Thanks again, mike ----- Original Message ----- From: Georg Käter To: Model 100 Discussion Sent: Wednesday, March 30, 2016 11:04 AM Subject: Re: [M100] ROM Available Hi Bill, this http://bitchin100.com/wiki/index.php?title=M100ROM might do the job for you. I´m using it on my M100 since ~1 year with a TS-DOS. Only difficulty was getting the pins here in Germany, but finally I got it. Regards Georg Käter ========== Ihre Nachricht ========================================== von : Bill Nobel <b_no...@hotmail.com> gesendet : Mittwoch, 30. März 2016, 07:46 an : Model 100 Discussion <m100@lists.bitchin100.com> Betreff : [M100] ROM Available __________ Originalnachricht _______________________________________ > Hi Kurt > Question for a Model T newbie (but not a newbie in a programmer > sense). I have an eprom burner and a bunch of 27c256 eproms. How > hard is it, or if you can reference a schematic to remap the option socket to this eprom. > I have been playing with Byteit assembler on the T alone to > transition myself from a hardcore 6809 programmer to the 8085 (not > finding it that difficult other than not knowing memory layout by > heart yet) I do have VirtualT up and running for my real programs > that I have in mind, as well as asm85 on my PC. I would also like > to know if Byteit is my best choice for the assembler on the T alone > (I can’t seem to find a good assembler on the T). > My problem I wish to resolve is to get TS-DOS onto the option rom > so I can use TPDD protocol instead on ASCII/XMODEM transfers. I > seem to have good communication between the PC/Model-T @ 4800 baud > for ASCII & 19,200 baud for Xmodem, but have never gotten any of the TPDD Servers/Clients working.. > Bill Nobel >> On Mar 29, 2016, at 11:15 PM, Kurt McCullum <kurt.mccul...@att.net> wrote: >> >> The beta version of SARDOS for the NEC is available for download. Gary Weber put it on the web8201.net site for me. >> >> Kurt __________ Ende Originalnachricht __________________________________ Vertraulichkeitsinformation: Diese Nachricht ist vertraulich. Die Informationen dieser Nachricht sind ausschließlich für die persönliche und vertrauliche Verwendung durch den/die oben genannten Empfänger bestimmt. Wenn Sie kein beabsichtigter Empfänger sind, bitte lesen, kopieren und verwenden Sie die Nachricht nicht. Machen Sie sie nicht anderen zugänglich. Bitte informieren Sie uns umgehend über den Zustellfehler und senden Sie die Originalnachricht per E-Mail an uns zurück. Confidentiality Notice: This message is confidential. The information contained in this message is intended only for the personal and confidential use of the recipient(s) named above. If you are not the intended recipient, please do not read, copy, or use it and do not disclose it to others. Please inform us immediately of the delivery error and return the original message to us via e-mail.
