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About AwkwardPotato

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  1. This one is weird; normally when one of the VRAMs fails, the corresponding bit just gets stuck and garbles the entire screen. It could be the VRAM at U104 seeing the random ' " ' characters, otherwise I'd suspect the VDP.
  2. Disregard the above, I think I'm just going to opt for a Gotek instead.
  3. Repaired my A500 a while ago (previous owner mangled Fat Agnus Socket and pulled the ROM); now looking for a Workbench 1.3 disk so I can actually use it. Please PM me with any offers. Thanks!
  4. Agreed, there are more Commodore/Amiga forums than I can keep track of. The Apple folks have quite a few too; it's more just that us TI'ers don't have our own active forum outside AtariAge.
  5. The Attack is the only TI cart I've ever thrown out as I absolutely loathed it. Music and sound effects aren't great to say the least, gameplay is boring, and the graphics are retina-burning.
  6. The TI has a really nice port of Q*Bert. It seems to be moderately (?) common, but prices for that one can be a bit on the high side for TI carts. Parker Bros. also made ports of Frogger and Popeye for the TI, but I haven't played them so I don't know how good they are. Lastly, while not a game, if you ever get ahold of some kind of disk system (PEB, NanoPEB, etc.) Extended Basic is a really useful cartridge to have.
  7. While the TI's Atarisoft Pac Man is definitely better than the 2600 version, InfernalKeith really does have a point when he says it's clunky. Fastest level on the TI is about the same speed as the slowest level on the Atari 800 version I have, IIRC.
  8. The G3 Desktop's case (which it shares with the 7x00 series) is notoriously brittle. It's really easy to break little plastic tabs and other parts even if you're really gentle with it. Pretty much any Mac from that time period suffers from the same problem though, although the G3 Minitower seems to be a lot better than the Desktop in that regard.
  9. I can do TI repairs and have done them before, although I have very limited free time so I don't do them often (yet). And as Opry99er said above, it might not always be worth it when consoles are so readily available. However, the most common points of failure in my experience are the VRAM, ROM, and SRAM, in that order. VRAM and SRAM can be found on eBay as loose chips or pulled off spare boards. The ROMs can also be found on spare boards, or you could burn your own on EPROMs. Unfortunately loose boards don't come up often on eBay, but occasionally small lots of untested boards will come up. More frequently, you can find a lot of 3-5 untested consoles with beat up cases instead.
  10. I might be missing something (and no disrespect to the seller), but I wouldn't consider a scratched, untested TI to be worth $80. You can find nicer, working ones for less if you're patient.
  11. I've got a few old Macs too! My favorites are probably my SE and IIx; both are rock-solid, fast, and really nice looking (the mid-late '80s Snow White design language is classic). The Beige G3 is a really nice machine, and I highly recommend it (the desktop model is annoying to work on, but I used to own a tower model and it was great). I have mixed feelings on the 6360 though; it's faster than its 6200 and 6300 predecessors, but like them, it has a really brittle case and working on them is a pain. It seems pretty difficult to find one that isn't missing half the plastic pieces too.
  12. I got the 99/4 & its power supply repaired and sent back to its owner, but I still have the flaky 4A supply. I realized while going through my parts bin that I had some modern switching replacements for the old linear regulators that I intended to use for a Commodore project, but now I'm thinking about swapping them into the stock 4A supply along w/ new caps to try and cool it down a bit.
  13. (If this is an inappropriate place to post this, feel free to move it mods) I'm looking to buy an original 99/4 (not 4A), whether it's dead or working. I don't care too much about condition as long as it's all in one piece. If anybody has an offer, feel free to PM me. A picture(s) of the unit would be nice, if possible. EDIT: It also doesn't matter to me whether it's NTSC/PAL, and I'm just looking for the base console. Thanks!
  14. Just to be clear, you're getting static instead of video and no beep? The first thing I'd do is pull out the sound chip (should be labeled SN76489, SN94624, or similar) along with GROMs 1 & 2 (labeled CD2156 and CD2157 respectively). On your revision of the board these should all be socketed, and none of them are required to boot to the title screen. However, if any one of these fails, they can prevent the TI from starting correctly. Also, are you sure your replacement VDP is oriented in the socket correctly?
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