New SmartWatch+ clock module for Tandy 1000s & XTs
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- Опубликовано: 16 окт 2024
- A new reproduction SmartWatch+ real-time clock module from Cybernetic Systems in Australia, for Tandy 1000s and other XT-class PCs, available here: www.tindie.com...
Y2k-compliant SMWCLOCK driver: ftp://ftp.oldskool.org/pub/tvdog/tandy1000/utilities/smwy2k.zip
My original video about the Tandy 1000SX and XT-CF card: • Exploring & upgrading ...
Video about Microsoft InPort bus mouse: • Oddware: Microsoft InP...
Video using Tandy modem to access BBSes: • Online, 1989 style: Di...
Video about IDE-XT hard drives: • 8-bit IDE-XT Hard Driv...
#SepTandy
I can imagine the 3 or 4 people affected by this will be relieved to hear about this new chip.
;) Only kidding, nice video.
...which I did, and made a video about too: see my video about the fake Intel 8087 chip.
5 people lol, haven't used my Tandy much yet but when I get it setup proper I don't want to reset the clock every time I turn it on. Started using PCs post RTC so that's going to bug me. ;)
It's nice to find new add-on or replacement RTCs for vintage computers, I still smile seeing the right date and time on my Amiga 600 that I got a 1MB chipRAM with RTC upgrade for, cos keeping time is just a nice thing to have on an old computer... :D
Happy SepTandy to everyone! Good video to kick off the month.
Happy SepTandy to you! Bring on the Tandy videos!
Yay!!!! Septandy is here, the best month of the year!
Im the same way. The sounds of an old hard drive are part of the retro pc experience.
Even old consoles like sega dreamcast. That loud optical drive is part of the full dreamcast experience lol
Hmmm... Would you spend $600 on an EGA monitor, then, rather than getting a $90 adapter?
...Sooner or later the old drives will die. If you're talking about old MFM or RLL drives bet on sooner.
...Is _is_ cool finding a working hard card...
@@Caseytify everything dies sooner or later, enjoy em while you can :D
I wholeheartedly disagree. What you said is based purely on Nostalgia that other people may not have. I personally hate the sound of clicking hard drives and how slow and fragile they are. Also my dreamcast was on the quiet side so don't make baseless assumptions on what everyone experienced. Good day I say *harumph* *marches away angerly*
@@steelplasma256 you can do what you want. i didnt say everyone needs to have a loud dreamcast and clicky hard drives. It's just i like to keep the original experience intact. Keep my dreamcast all original. loading screens feel so lonely without hearing the machine in the background working its butt off to get that data off the disc and into memory lol. Same with old PC's, the sound of the hard drive is just a part of what they were and how they were built. the mechanical hard drive is a feat of engineering and i can appreciate that as i hear it in the background. :) good day
Derek's SmartWatch+ is awesome. I actually installed one a few months ago in my Tandy 1000 TX and he's since updated his Tindie page mentioning it also works with the 1000 TX machine (that has two BIOS chips). The SmartWatch+ also makes an appearance in my #SepTandy video I posted on September 1, 2021. P.S. that's cool you helped with the updated design. I really like having a RTC in my Tandy 1000 TX.
Got a 1000TX too. Hoping to do this mod to it, as well the RAM upgrade. Already has the factory hard card and modem. Hoping to find a 386 chip for it too.
As I was walking down the street oneday...
Thanks VWestlife, I got an earworm.
Make that 2! Would have really been an ear bender if the spot at the end was a BASIC rendering of the first bar of trumpets in the song.
and by the magic of search: ruclips.net/video/ckKPA0d_kG4/видео.html
It's about time it goes in the foreground again.
This is pretty cool! It’s easy to forget how RTC wasn’t always a “thing”
FWIW, if you have space constraints on your motherboard that interfere with installing a watch module like this another option is to stick it under a 28 pin option ROM on an expansion card like a hard disk/XTIDE controller, if you can make it fit there without conflicts. The Tandy Smartwatch RTC software automatically scans the entire BIOS expansion area at 2K intervals looking for a response to the secret handshake. I build this same Dallas chip directly onto my toy Tandy 1000 EX/HX expander boards sitting on the flash BIOS chip for the XT-CF port and SMWCLOCK finds them regardless of the base address I choose, from C0000 on up. (I believe the source indicates it actually starts scanning at A0000)
Love the Video VWestlife Thanks 😊👍
Derek has a great little range of all kinds of Tandy 1000 bits and bobs. Definitely worth checking out for any T1000 owner.
Great bit of kit amzing when people create new stuff for our vintage machines .
This is a GREAT piece of tech... I have one in my 1000 HX. Derek has done a lot to bring new life to the 1000 HX and EX... as has Robert Krenicki with his 3 in 1 card. Love my 1000 HX!
Just got a Tandy 1000sx that I'm going to fix up, upgrade and complete this month. Love these systems!!
Nice a new video I going to watch it in my lunch break have a nice Thursday Kevin
Awesome Tandy 1000 SX content! I never should've given mine away. I have such fond memories of it.
Great Video as usual. I bought a CoCo2 just to celebrate Septandy this year!
Time flies like an arrow,
Fruit flies like a banana.
Good to see a video. I saw the news of the recent floods in the New York/New Jersey area... I first thought whether it would have affected you. Glad to see activity.
Thanks. I'm OK because I live on the top of a hill, but there was extensive flooding in low-lying areas.
@@vwestlife : Glad to hear it.... stay safe... :-)
Woo - those noises! I had an original Tandy 1000 (not SX), but those noises reminded me more of me dorking around with POKE commands from my VIC-20.
I see the name of a former co-worker in the startup sequence of DOS, never knew he wrote neat PC software utilities 30 years ago. He is now working in bioinformatics in Tanzania.
This video came out just in time.
🎶does anybody even care🎶
I mean that Aussie clearly does 😁
cudos for using a real harddrive!
*Kudos
Huzzah for using real hardware ;-)
@@vwestlife Which version of dos is kudos? :-)
Thanks for the video, Kevin.
I don't think your original Smartwatch module would be that difficult or messy to re-energize. (Don't get me wrong here -- I think it's great to support independent hardware developers that keep these old computers viable. If I can, I certainly do.) The potted Dallas modules often leave no other choice, with the more capable parts (1387/1397, etc) not being made any longer.
I am curious if the Dallas IC used on the Smartwatch+ is Y2K compliant at level one (won't bump the century byte itself, usually requires a second manual reset) or level two (no action required). Maybe running those other programs a second time would have done the trick...
I wasn't paying strict attention to the video for a short time (eating lunch) and the snap of the power switch scared me, as did the blue flash on the screen.
Please do the video about loading drivers on vintage machines like this; would love to watch.
Well I guess no plugging other groups or channels in the comments. OK I understand, with that said Derek is a special person. I'm glad your working with him. I on the other hand did link this video in my group.
Feel free to do so. But RUclips automatically blocks some links in the comments without giving me the chance to approve them.
@@vwestlife Derek is one of our Admin's in our FB group. (All Things Tandy Radio Shack). I founded the group a short while ago. We have over 2.5k members. You definitely have a love for Tandy computers. You should join our group. We can definitely use another administrator. I also have a small YT channel called Havoc Sun, it's just over 800 members. I've been watching your vids for awhile now. Your the guy that got me started on YT.
I love it!
Thanks for the video :)
I'm intrigued by the musical BASIC program at the end; it seems very specific but I don't get the reference. Can you give me a clue? :)
It's from an old video I did back in 2008 demonstrating the unique noises the Tandy sound chip can make. I wrote the program myself.
Video about Tandy memory management would be very interesting
Very nice.
Neat video dude!
You had me at Tandy 1000 SX...
I'm pretty sure the dallas chip just needs the system address and data bus pins A0 and D0 and is getting to them from the rom pins, you could get them from lots of other places if you want to make your own rtc, like the isa bus, an xtide rom or the processor.
Looks like it needs A2 as well as the bios roms's OE, however OE is just dgrounded on the EX so you probably can just connect it to any ground. The only thing you need from the rom is it's CE that comes from an address decoding pal so you'd need to run 1 wire from the rom or the address decoder to wire it in somewhere else.
I can't believe your HardCard works
Seems simple now to include a RTC but it was a progressing hardware feature, PCs got them pretty soon in the 80s but game console didn't have them for a while and then they got them when the PS2 arrived.
Well, to be fair, the old games consoles that could only play games and nothing else, didn´t really _need_ an RTC.
@@BertGrink Kind of, all depends on what you do with it, support. Famicom had a microphone that Nintendo gave up on by their second model, but then we'd see it all come back on DS.
Have you had any issues with the 1MB memory card in the Tandy? I remember reading that Tandy 1000's can have compatibility issues with games and programs when memory is expanded over 640k and that even the Tandys with the 700+k or memory can cause issues with some programs. Though I assume this may only affect a small percentage of programs.
I tried using it to get more than 640K of conventional RAM but that didn't work, so I just have 64K of upper memory blocks enabled so I can use DEVICEHIGH and LH to load drivers and TSRs into it.
My goodness the inside of the tandy looks new.
Super
i wonder how the battery is sealed in there, hardly the first sealed battery ive seen although this is the first one ive seen that wasnt operation critical, cdi and solaris if you were wondering
4:52 - Would it be possible to change the SmartWatch battery?
Keep watching -- I discuss that later in the video.
Interesting add-on.
"Does anybody really care?
If so, I can't imagine why.
We've all got time enough to cry."
-- Robert Lamm (of Chicago), 1969
Since the pins are accessible on the dallas smart clock, it should be possible to cut the traces going to the battery and solder on wires to a external cr2023 for example. 🤔
Yes, he mentions this at the end of the video...
@@dennisp.2147 Well, sure. But what he shows at end of video are actually a dallas battery sdram "rom", which dont have easily accessible pins. So you need to dremel the case to access the battery contacts. Which is alot harder to do. The one he has it would be very easy to fix on the other hand, no need to dremel etc. 😅
The band Chicago knows
Tandy isent in Australia anymore i used to go there all the time liked shopping there
It's gone from the USA (where it traded as Radio Shack) and UK too, a real pity. They were my folks' go-to for techy Christmas presents in the 80s. I still have a few items of their Realistic gear (mainly speakers) dotted about my house. Online replaced electronics stores - Digi-key / Maplin / CPC etc
Mod that xt-cf to emit appropriate sounds
You could have bought a new Dallas from Mouser for $12, I just got some manufactured in July 21
The "new" ones I've bought on eBay have about a 50/50 chance of either working or being already dead.
Ahh, I remember all the paranoia and fearmongering over the Y2K bug. Good times!
Why on earth does this module use an oddball CR1632 instead of the available-like-sand-on-the-beach CR2032..?! Don't really see a technical reason for this
It makes the board smaller, for the 1000EX and HX models which have limited space inside.
Do you know if there is similar for a standard RL?
If your 1000RL originally came with a hard drive, then it will already have the clock chip and battery holder on the motherboard. If your 1000RL was originally floppy-only and didn't come with the onboard clock, then this SmartWatch add-on will probably work, but you'll need to check if it'll fit.
@@vwestlife that's good info. Mine is the non-HD version. It has the U28 socket already soldered in, but no battery holder soldered in.
If that computer has a 16-bit processor you should get a card with about 128MB of upper memory and see if you can get a bunch of stuff up there.
The 8088/V20 is limited to addressing 1 MB of RAM. Unless you mean 128K instead of 128MB?
Just looked up the specs for the Tandy-1000. Talk about a power machine. 4mhz processor. You can actually expand the memory up to a mind boggling 640kb. Why would anybody want a machine this old on life support?
can you design a 286 to pentium upgrade ?
A "timely" video. 😆😆😆😆
wasn't September 1, 1921 a Thursday?
It was. So I think the clock chip defaults to Sunday when it is first initialized and the RTCLOCK program didn't set it correctly.
Is there NTP client for DOS?
Yes, as part of the mTCP suite.
That is not correct, September 1 of 1921 was Thursday not Sunday. Unless the routine thought you mean September the 1st of 21, but, since there was two changes in the calendar since 21AD no one can tell for sure which day of the week was it...
7:55
I think Y2K have way too much to drink, when its 21 years.
As I was walking down the street one day
A man came up to me and asked me what the time was that was
on my watch, yeah
And I said
Does anybody really know what time it is
👍🇵🇱🇵🇱👍🤓😎😏👍
Time flies by until your clock battery dies...
TOOL TIME
when i read the thumbnail that is the first thing i thought
But...ITS NOT Y3K COMPLIANT!!!!11!!!
;-)
Does anyone Really Care (about Time)
Does any buddy even care?
If so, I can't imagine why.