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TI-99 Photos Thread! Post your systems here!


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#1051 --- Ω --- OFFLINE  

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Posted Sun May 6, 2018 6:00 PM

My system:

post-17978-0-96283900-1525630188_thumb.j

 

I haven't posted it before because I was waiting to get an old computer desk my dad made for me from my parent's place.

 

However, upon looking at it closer this last weekend, I realized it wouldn't work with the modern approach of "stand your PE box on the side". It also required putting the monitor up much higher than I'm accustomed to.

 

So instead, I dug around with my dad and found an old wood desk that he had gotten for free from a neighbor's moving sale. Cleaned up and polished and it looks awesome!

 

 

I like your setup, nice tower arrangement and what looks to be an 8CM515 monitor.  Be sure to get some little rubber stick on feet for the P-Box, otherwise you may find that blasted screw on the side scratches the hell out of your desktop.

 

 

I just have one question....

 

Where is everyone getting these TI coasters!  I want one!

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#1052 Schmitzi OFFLINE  

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Posted Sun May 6, 2018 11:37 PM

Omega eagle eye ;-)



#1053 kl99 OFFLINE  

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Posted Mon May 7, 2018 1:27 AM

I checked my only TI-99/4 this weekend. It is assembled in 1981, motherboard shows 1037231-2, on mainbyte.com you can see a 1037231-1:
http://www.mainbyte....oard_ti994.html
It is a NTSC version. The mainboard asks for the usual 12V, 5V and -5V. I can use my typical EU power supplies to get those values. The 99/4 is nicely working. I was wondering on the different kind of power supplies and internal power supplies for 99/4. I heard horror stories of people blowing their power supply. What did they do wrong?

#1054 Ksarul ONLINE  

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Posted Mon May 7, 2018 3:11 AM

The problem machines are the ones with the entire power supply contained in the external box. It outputs DC, as the space for the internal supply is filled with the board managing audio (connected to the slide switch). It is a really bad idea to try and use an AC-only power supply with these (it will destroy them if you succeed in getting the power cord inserted and plugged in). The DC-output supply also does bad things to the boards expecting 22VAC to the internal power supply. . .and early European supplies of both types were externally identical with the exception of the output identification data and model number, so it was horribly easy to mix them up.



#1055 kl99 OFFLINE  

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Posted Mon May 7, 2018 6:12 AM

The problem machines are the ones with the entire power supply contained in the external box. It outputs DC, as the space for the internal supply is filled with the board managing audio (connected to the slide switch). It is a really bad idea to try and use an AC-only power supply with these (it will destroy them if you succeed in getting the power cord inserted and plugged in). The DC-output supply also does bad things to the boards expecting 22VAC to the internal power supply. . .and early European supplies of both types were externally identical with the exception of the output identification data and model number, so it was horribly easy to mix them up.

 

Thanks for this explanation. And thanks again Ksarul for letting this 99/4 ship to you 2 years back :)



#1056 adamantyr ONLINE  

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Posted Mon May 7, 2018 9:27 AM

 

 

I like your setup, nice tower arrangement and what looks to be an 8CM515 monitor.  Be sure to get some little rubber stick on feet for the P-Box, otherwise you may find that blasted screw on the side scratches the hell out of your desktop.

 

 

I just have one question....

 

Where is everyone getting these TI coasters!  I want one!

 

Yep, I have two of those Magnavox monitors now, in case one of them burns out. My only complaint is my replacement one has a "grainy" texture to the pixels...

 

I can't recall when I got the coaster, several years ago, but I found it on eBay.



#1057 globeron OFFLINE  

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Posted Thu May 10, 2018 2:42 AM

I checked my only TI-99/4 this weekend. It is assembled in 1981, motherboard shows 1037231-2, on mainbyte.com you can see a 1037231-1:
http://www.mainbyte....oard_ti994.html
It is a NTSC version. The mainboard asks for the usual 12V, 5V and -5V. I can use my typical EU power supplies to get those values. The 99/4 is nicely working. I was wondering on the different kind of power supplies and internal power supplies for 99/4. I heard horror stories of people blowing their power supply. What did they do wrong?

Is your TI-99/4 having the BIG pin (for 12V and 5V DC supply) or the normal pins (requiring 16VAC). Is your with volume slider? I think we have sorted it out last time and I have some articles about these differences with help of Ksarul. I also blew up my Shoe type big pin adapter, I got it broken actually, replaced the fuses then it worked again, then after a while smoke came out...and then I completely broke the adapter, but the new Meanwell adapter seems to be fine.

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#1058 globeron OFFLINE  

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Posted Thu May 10, 2018 2:44 AM

The problem machines are the ones with the entire power supply contained in the external box. It outputs DC, as the space for the internal supply is filled with the board managing audio (connected to the slide switch). It is a really bad idea to try and use an AC-only power supply with these (it will destroy them if you succeed in getting the power cord inserted and plugged in). The DC-output supply also does bad things to the boards expecting 22VAC to the internal power supply. . .and early European supplies of both types were externally identical with the exception of the output identification data and model number, so it was horribly easy to mix them up.

I had not heard about the 22VAC before?. It looks my adapters are less (see pictures)

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#1059 globeron OFFLINE  

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Posted Thu May 10, 2018 2:47 AM

Those pictures are beautiful! You also have a spare keyboard assembly, which is the one component I actually need to try and rebuild my prototype 99/4 to see if it actually works. . .

Okay, I will sent you a direct message.

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#1060 globeron OFFLINE  

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Posted Sat May 12, 2018 1:46 PM

My first Data Recorder and TI tapes + notepad with written cassette index32651ad70b0921e04ea19da449727249.jpgfbc35269fee09d707f633f4b9c823c2f.jpg0a20c1a661cbe0142b4f03a45012cd85.jpgfb6c42ebcf974e361a71b519e6c6e2ef.jpgad4d903c13342ef6ce0fbe2ad53ff2d2.jpgac1ee8a32b021db8f3a3b7f83017135b.jpge354c8233ee562a8de5d9c045f300450.jpgc92c9c1a49437ef0a033bc58787754ed.jpg

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#1061 globeron OFFLINE  

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Posted Sun May 13, 2018 7:56 AM

Cassette / Tapes Index

 

Detailed list

Attached File  TI994A-CassettesTapes-RvanKleunen.zip   11.37MB   8 downloads

 

 

Mostly for:

TIBAS = TI BASIC

EXBAS = Extended BASIC

 

EXBAS+32K = Extended Basic and a console with 32K (that time either built-in or a side-car Corcomp 32K type of device)

                         (nowadays look at Jedi Matt's 32K side car (http://ti994a.cwfk.net/32k.html)

                         Assembler programs can be loaded via a Cassette Tape  (see FaceBook for details:                

https://www.facebook...56306199464844/

 

ADVENT = ADVENTURE  (requires an Adventure module to load these via tape)

MUSIC M = Music Maker Module required to load music files from cassette

ExII+ = Extended Basic II Plus   (Mechatronic)

Apesoft = part of ExII+

 

P.R.K. = Personal Record Keeping  --- see CompuTape 8 Side B

(can also be P.R.G.)

 

** I believe some extra features could be done using P.R.K. as well in TIBAS sometimes CALL FILES (1) had to be entered to have a bit more memory?

** otherwise the program could not be loaded or started ?



#1062 Ksarul ONLINE  

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Posted Sun May 13, 2018 9:16 AM

BTW, the PRK extensions to BASIC are also in the Statistics module. . .I need to put up the scans for that documentation if I haven't already.






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