Hello,i have same board i finished soldering it.i went to github to download cpm but i dont know what file to get and have no idea how to make the file which need to be flashed on the z80 rom. Do you have a step by step instructions thanks in advance.
ouch. the nixie board... move your hv power supply ground to said board. as it is, if you have a flaky connection on the ground wire between the two boards, the 138V is trying to return through the logic lines!
I'm not sure which raised my nostalgia levels the most - Z80, CP/M, serial gender changer, Xmodem, or the drive letter assignments of CP/M that would confuse any MS-DOS PC user ;-) I'm guessing you chose another Xmodem upload to test the floppy drive because of your BBS origins (I'm not nostalgic about my phone bill from back then when I was connecting from the UK to BBSs in Sao Paolo and anywhere else interesting with a talkative sysop), but I would have used good old PIP. Thanks for the very informative videos.
Just realised that's likely to be a null modem adapter rather than a gender changer (rolodex brain given old cards slowly!), and obviously I was typing whilst watching the video and had posted my comment just before you did indeed run a PIP command ;-)
The boards came from here: www.retrobrewcomputers.org/doku.php?id=boardinventory. I purchased mine from Todd, and they arrived quickly and in great condition. The Flash image you can find by googling "RomWBW".
Well, thought about it. If I was going to sit down and do this. I would build the computer I wished I had in University back in the early 80's but I would update it to have more modern connections. One master Z-80 with KB, video and 128kb of memory (64k is used for video and additional memory). 4 slave Z80's with 64kb, two shared memory modules at 128k each, floppy control with its own Z80 and 64k memory, one dual port serial with Z80 and 64k memory, and parallel printer port with Z80 and 64k memory. In short during that time a small mainframe. Wanted a hard disk controller but they were pricey and the size of a washing machine or either a punch device to punch the cards or mag tape which was also pricey at the time so I could carry my work into the University instead of living in the computer centre. As all work had to be there for proof. Any programming lab I was given I would do that and allot more. Problem with this design of mine would require allot of time loading everything up from floppy which is why I used the shared memory in part. Also I would have to buy/find MP/M to run it; if it would. I carried this overall design throughout to the i686 days. After then I was so backlogged with work I just didn't have time for it. Now, am approaching 60 I have thought about those days and my first OS. So, how I ended up here.
Machine code is the way to go if this is compatible with the MEMOTECH MTX512 64KB 65535byte memory so should be able to run MEMOTECH software, is a shame that it does have enough EPROM sockets to accommodate all of the EPROMS required to get a MEMOTECH MTX512 CPM compatible computer up and running.
The moment a DOS image is displayed you lose about 99 out of 100 viewers! This is is 2017! What viewers bothering to watch wish to know: 1) Does this unit work & stay working. 2) How easy is it to set up? ( if you listen to your own comment & the numerous keyboard clicks this is easily answered. 3) What additional hardware is needed (and the cost) to gain some genuine functionality? 4) What can we do with this? (using it as a general purpose PC is clearly absurd). 5) What screen display resolution is available, anything less that 1080 would seem pointless? 6) Hard drive is mentioned, is this a SSHD & what size? 7) What speed can the CPU manage compared to say a typical laptop?
Guys, away with the bashing. Even if he's doing this intentionally, and it seems that he isn't, it just means he's a troll. As it stands, if he's doing this intentionally, it would've been far more obvious. As it stands, the only hints that this may not be genuine is him asking about the hard drive, but even then, it seems he's more hesitent there than deliberatly joking; even he knows he's saying something silly there. As to answer the original poster, those things only apply if they happen to be the point of the video, which it isn't. This is a computer designed for hobbyists. It's not one designed for everyday use. This is why it uses CP/M as its operating system, one which you confused for DOS. (DOS is actually a clone of CP/M, hens its similar user interface.) Besides, you're not really supposed to be pondering to the users, in either case; you may attract some attention, but people generally tend to prefer videos made by those who genuinely care for what they're doing, rather than just trying to appeal towards them.
never mind! I expand to read the rest and found your site where I can purchase the board.
You should reverse the positions of your Zeta 2 and the Parallax boards. With the Parallax on top you could prototype designs on the breakout area.
No 5V regulator?
My Zeta V2 doesnt work :-( Clock is avalable. 8 Mhz. 120ma without the Floppy Controller, 230ma with the Chip.
Hello,i have same board i finished soldering it.i went to github to download cpm but i dont know
what file to get and have no idea how to make the file which need to be flashed on the z80 rom.
Do you have a step by step instructions thanks in advance.
ouch. the nixie board... move your hv power supply ground to said board. as it is, if you have a flaky connection on the ground wire between the two boards, the 138V is trying to return through the logic lines!
Great video i wish you told us more about the paraportprop, there is little information about it out there, does it have colors? Can i do graphics?
what terminal are you using on win10?
Can you detail what header parts and spacers you used to connect the two boards together? I'm having trouble finding something tall enough
I'm not sure which raised my nostalgia levels the most - Z80, CP/M, serial gender changer, Xmodem, or the drive letter assignments of CP/M that would confuse any MS-DOS PC user ;-) I'm guessing you chose another Xmodem upload to test the floppy drive because of your BBS origins (I'm not nostalgic about my phone bill from back then when I was connecting from the UK to BBSs in Sao Paolo and anywhere else interesting with a talkative sysop), but I would have used good old PIP. Thanks for the very informative videos.
Just realised that's likely to be a null modem adapter rather than a gender changer (rolodex brain given old cards slowly!), and obviously I was typing whilst watching the video and had posted my comment just before you did indeed run a PIP command ;-)
Why decide which to build?
I've built the N8VEM SBV V2 and am waiting for delivery of my RC2014 kit :)
hello! do you still have the board to build this z80 SBC? Thank you!
Great video! Where can I buy one of those?
I want to know as well! I'd be happy with just figuring out where he bought the boards from!
The boards came from here: www.retrobrewcomputers.org/doku.php?id=boardinventory. I purchased mine from Todd, and they arrived quickly and in great condition. The Flash image you can find by googling "RomWBW".
Amazing! Thank you!
smbakeryt I checked the link and I am only finding PCBs and miscellaneous parts. Do I have to buy the ICs and components separately?
Much thanks
6:11 +1 to SecureCRT!
Are FDC chips still produced?
Can you run trsdos with this?
Well, thought about it. If I was going to sit down and do this. I would build the computer I wished I had in University back in the early 80's but I would update it to have more modern connections. One master Z-80 with KB, video and 128kb of memory (64k is used for video and additional memory). 4 slave Z80's with 64kb, two shared memory modules at 128k each, floppy control with its own Z80 and 64k memory, one dual port serial with Z80 and 64k memory, and parallel printer port with Z80 and 64k memory. In short during that time a small mainframe. Wanted a hard disk controller but they were pricey and the size of a washing machine or either a punch device to punch the cards or mag tape which was also pricey at the time so I could carry my work into the University instead of living in the computer centre. As all work had to be there for proof. Any programming lab I was given I would do that and allot more. Problem with this design of mine would require allot of time loading everything up from floppy which is why I used the shared memory in part. Also I would have to buy/find MP/M to run it; if it would. I carried this overall design throughout to the i686 days. After then I was so backlogged with work I just didn't have time for it. Now, am approaching 60 I have thought about those days and my first OS. So, how I ended up here.
I want to learn more so I can attach a Intel atom n450 on to a single board computer.
Well modern processors are an entirely different beast.
Machine code is the way to go if this is compatible with the MEMOTECH MTX512 64KB 65535byte memory so should be able to run MEMOTECH software, is a shame that it does have enough EPROM sockets to accommodate all of the EPROMS required to get a MEMOTECH MTX512 CPM compatible computer up and running.
Eurgh. Is this comment autogenerated from a malfunctioning artificial intelligence or is this real stupidity?
"Eurgh" indeed.
great video like, but the sound terrible, constant humming in the background, it drilling into my head, its stops at 6:15 then sound o.k.
"grab...a...fresh.......disk" (doom 3/4)
Are you ETAPrime? You sound just like him.
I feel cheated this is such a 2 board computer!
One motherboard, one daughterboard! she's a single motherboard, though, no husbandboard. So Single Board Computer!
The moment a DOS image is displayed you lose about 99 out of 100 viewers!
This is is 2017! What viewers bothering to watch wish to know:
1) Does this unit work & stay working.
2) How easy is it to set up? ( if you listen to your own comment & the numerous keyboard clicks this is easily answered.
3) What additional hardware is needed (and the cost) to gain some genuine functionality?
4) What can we do with this? (using it as a general purpose PC is clearly absurd).
5) What screen display resolution is available, anything less that 1080 would seem pointless?
6) Hard drive is mentioned, is this a SSHD & what size?
7) What speed can the CPU manage compared to say a typical laptop?
this is a joke right?
you're a special kind of stupid, aren't you.
Peter Owens It is called "retro" for a reason
Guys, away with the bashing. Even if he's doing this intentionally, and it seems that he isn't, it just means he's a troll.
As it stands, if he's doing this intentionally, it would've been far more obvious. As it stands, the only hints that this may not be genuine is him asking about the hard drive, but even then, it seems he's more hesitent there than deliberatly joking; even he knows he's saying something silly there.
As to answer the original poster, those things only apply if they happen to be the point of the video, which it isn't. This is a computer designed for hobbyists. It's not one designed for everyday use. This is why it uses CP/M as its operating system, one which you confused for DOS. (DOS is actually a clone of CP/M, hens its similar user interface.) Besides, you're not really supposed to be pondering to the users, in either case; you may attract some attention, but people generally tend to prefer videos made by those who genuinely care for what they're doing, rather than just trying to appeal towards them.
Keep calm, that was not DOS :)