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| 0 users currently in ROM Hacking. |
| Acmlm's Board - I3 Archive - ROM Hacking - Question about G/S cartridges |
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HyperHacker Star Mario Finally being paid to code in VB! If only I still enjoyed that. <_< Wii #7182 6487 4198 1828                   Since: 11-18-05 From: Canada, w00t! My computer's specs, if anyone gives a damn. STOP TRUNCATING THIS >8^( Last post: 6283 days Last view: 6283 days |
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I opened up my Pokémon Silver cartridge for no real reason today, and I noticed on the back there's 4 pads labelled TP1 through TP4 connected to various parts of the board. Does anyone know what these do? I tested them with a multimeter and #2 and #3 (the only ones I could reach, since they connect to the front of the board) measured +10V, though I suspect that's wrong.  I tried shorting #1 and #2, and connecting #1 to +5V and to ground, but it didn't seem to do anything. Do these serve any purpose?
Also, what voltage should the battery be? Mine seems to have died. [edit] Yeah, I did misread the meter. It's +3V, not +10V. (edited by HyperMackerel on 07-19-06 09:14 PM) |
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Yoronosuku Toss Tortoise  Since: 11-17-05 From: Massachusetts is my new home.. Last post: 6282 days Last view: 6282 days |
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All GB games (and in fact, I want to say all battery backed up Nintendo games but I'm not 100%) use a 3V lithium cell battery. You can probably buy that anywhere that sells batteries  as for what those ports do, honestly, I wouldn't know, though I can open up my unit in a bit and take a look at what it might do. Can't garuntee I'll find any thing.. |
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HyperHacker Star Mario Finally being paid to code in VB! If only I still enjoyed that. <_< Wii #7182 6487 4198 1828 Since: 11-18-05 From: Canada, w00t! My computer's specs, if anyone gives a damn. STOP TRUNCATING THIS >8^( Last post: 6283 days Last view: 6283 days |
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Nice. Somehow the battery in the Silver cart was completely dead, while the one in an old broken Yellow cart still worked. Unfortunately I ripped the connector off prying the old battery out.  I might try to fix it later, but I only really intended to use that cart for experimentation anyway.
BTW, the Yellow cart has those same 4 pads. Maybe they're just for testing the circuit? |
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Sukasa Birdo Not quite as active as before. Xkeeper supporter Xk > ||bass I IP Banned myself! Twice!  Since: 11-17-05 From: Somewhere over there Last post: 6283 days Last view: 6282 days |
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| Maybe... Does the battery have "CR 2032" on it? I took apart a Stunt Race FX cartridge, and it had that battery on it (killed the SRAM taking the battery off, but the cart still works fine...) If so, just solde rthe battery to the silver cart. Worked for me when I had to reattach the battery to my SNES cart. | |||
amnesiahacker Red Goomba Since: 12-21-05 Last post: 6490 days Last view: 6490 days |
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Originally posted by HyperMackerel I encountered a similar problem while experimenting with a Gold cartridge. when repairing I recommend putting the PCB in the fridge for 5 minutes before soldering to minimise chance of burning out possibly irreplacable components in the cart. I was replacing the baery in my friends Gold cartridge and I used a 3.1v li-ion battery - it seemed to work fine and that was a year ago it still works great. |
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HyperHacker Star Mario Finally being paid to code in VB! If only I still enjoyed that. <_< Wii #7182 6487 4198 1828 Since: 11-18-05 From: Canada, w00t! My computer's specs, if anyone gives a damn. STOP TRUNCATING THIS >8^( Last post: 6283 days Last view: 6283 days |
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Yeah, I might be able to fix it. If not, I guess I'll have to work on a GBC emu for the DS that can run the game at full speed. 
I found something fun, though. I dug out this old Mega Memory Card, which backs up saves from GB games. It had this really, really old Silver save on it, and I was able to restore it to the cartridge, then power off and on again really fast and play it despite the lack of a battery.  The clock even kept time, except it was set to 14:50 PM.
[edit] Hah! I found where the broken connector leads, stuck a wire in, and connected the battery to it. It works, so long as I hold the battery in place with my finger.  I just need to find some way of keeping it there.(edited by HyperMackerel on 07-22-06 10:56 PM) |
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Sukasa Birdo Not quite as active as before. Xkeeper supporter Xk > ||bass I IP Banned myself! Twice! Since: 11-17-05 From: Somewhere over there Last post: 6283 days Last view: 6282 days |
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| Tape. Masking tape that is. Or duct tape.
That should work for you. |
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HyperHacker Star Mario Finally being paid to code in VB! If only I still enjoyed that. <_< Wii #7182 6487 4198 1828 Since: 11-18-05 From: Canada, w00t! My computer's specs, if anyone gives a damn. STOP TRUNCATING THIS >8^( Last post: 6283 days Last view: 6283 days |
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| Electrical tape, actually. Had to wrap it around the battery several times, then around the mainboard a few times, to keep it held in tight, but it works. |
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amnesiahacker Red Goomba Since: 12-21-05 Last post: 6490 days Last view: 6490 days |
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Originally posted by HyperMackerel Nice one! I think i remember those mega memory cards! About the GBC emulator for DS theres one called DS_GBC (name probably took ages to think of lol) http://www.neoflash.com/compos/compo05_files/apps/ds_gbc-Ethos.zip It works good on emulator (DeSmuME) but officially there is no sound and the emulator isn't being further developed as it was made for the neoflash comp last year. It would be brilliant to see a full speed GBC emulator with sound. Obviously the DS with ARM9 can handle it lol I would be only too happy to be a beta tester for this if you are developing |
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Sukasa Birdo Not quite as active as before. Xkeeper supporter Xk > ||bass I IP Banned myself! Twice! Since: 11-17-05 From: Somewhere over there Last post: 6283 days Last view: 6282 days |
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| Heh, electrical tape pwns all. I use it for jsut about everything, including crafts
But yeah, good to hear that you fixed your battery. I'm going to just insert a new one into my STFX cart, the old one has two holes in it. |
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HyperHacker Star Mario Finally being paid to code in VB! If only I still enjoyed that. <_< Wii #7182 6487 4198 1828 Since: 11-18-05 From: Canada, w00t! My computer's specs, if anyone gives a damn. STOP TRUNCATING THIS >8^( Last post: 6283 days Last view: 6283 days |
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| I'd rather develop my own emulator, but that means finishing a Windows version first, and that means finishing my attempt at a GBC flashcart so I can test things. | |||
Chainlink1061 Paratroopa  Since: 02-01-06 From: Salinas, California Last post: 6286 days Last view: 6288 days |
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| Question about battery: How long of battery life would you say a GBC game lasts for? My Pokemon Gold game deletes itself every time, and I'm interested in how long it lasts. | |||
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Sukasa Birdo Not quite as active as before. Xkeeper supporter Xk > ||bass I IP Banned myself! Twice! Since: 11-17-05 From: Somewhere over there Last post: 6283 days Last view: 6282 days |
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| Well, my guess would be a couple years at least. Those CR2032 battiers are lithium-manganese supposedly, and are rechargable AFAIK.
My SNES cartridges (which use CR2032 batteries) have lasted years. |
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amnesiahacker Red Goomba Since: 12-21-05 Last post: 6490 days Last view: 6490 days |
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| usually depending on game usage they could last 2-3/4 years but Pokemon Gold has a RTC which means the battery is in use constantly | |||
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Yoronosuku Toss Tortoise Since: 11-17-05 From: Massachusetts is my new home.. Last post: 6282 days Last view: 6282 days |
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| Uhhm...they tend last a LOT longer than that..my Pokemon game is much older than 4 years and the battery is still working, and I have games going on 10+ whose batteries are still going strong. | |||
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HyperHacker Star Mario Finally being paid to code in VB! If only I still enjoyed that. <_< Wii #7182 6487 4198 1828 Since: 11-18-05 From: Canada, w00t! My computer's specs, if anyone gives a damn. STOP TRUNCATING THIS >8^( Last post: 6283 days Last view: 6283 days |
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| Yeah, Silver is the only game I've owned whose battery is died, probably because of the clock. Also, they may be rechargable but I don't think the games actually recharge them. | |||
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Sukasa Birdo Not quite as active as before. Xkeeper supporter Xk > ||bass I IP Banned myself! Twice! Since: 11-17-05 From: Somewhere over there Last post: 6283 days Last view: 6282 days |
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| I think they do... I'm pretty sure the batteries have a conenction to the power bus, because they have to be connected to the actual SRAM as well. | |||
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Chainlink1061 Paratroopa Since: 02-01-06 From: Salinas, California Last post: 6286 days Last view: 6288 days |
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| Okay, thanks for clearing that up.
Also, does this mean I have more than 3 brain cells? |
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Yoronosuku Toss Tortoise Since: 11-17-05 From: Massachusetts is my new home.. Last post: 6282 days Last view: 6282 days |
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| No. | |||
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amnesiahacker Red Goomba Since: 12-21-05 Last post: 6490 days Last view: 6490 days |
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Originally posted by HyperMackerel Could possibly mod the GB/GBC to feed a low voltage to the battery while playing giving the "charging" effect. On some GBA flash carts like EZFA the internal battery charges itself while playing using power from the GBA device. |
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| Acmlm's Board - I3 Archive - ROM Hacking - Question about G/S cartridges |
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