View Full Version : Sega CD Battery?
alec006
08-13-2005, 05:43 PM
Ok i bought a sega cd off ebay and it works great, i see someone forgot to delete the system memory 8-) anyway since the system was made back in 1993 i thought i would replace the battery so it wont go out. Anyone know what type of battery the model 2 uses?
Slate
08-14-2005, 10:57 AM
I thought that the memory would be deleted if you replaced the battery.
I'm not sure, though.
alec006
08-14-2005, 01:49 PM
i could leave the power on but that is dangerous, i also could back it up on that ram cart,but for the time being i think i may need a new battery
Slate
08-14-2005, 04:03 PM
Well, as i said, I'm not sure wether replacing the battery would delete the data or not, But i think it'd be better to be safe.
Buy a RAM Cart and transfer the data onto it, then after the battery job is done (If the data isn't deleted in the SCD Unit's memory) Transfer the data from the RAM Cart to the SCD Unit.
However, i don't know what the battery's voltage is.. Wait for some more replies.
Gapporin
08-14-2005, 04:56 PM
Don't quote me on this, since I haven't cracked open my Sega CD to confirm, but I believe it uses the same battery that anything else uses to save data: a CR-2032. Seems to most logical, anyways, to me.
Tokimemofan
10-15-2005, 06:56 AM
The Sega cd battery is rechargable like the one in the Dreamcast
Elusive
10-15-2005, 03:38 PM
The Mega CD memory works along the same lines as the Dreamcast's: it uses a chip memory to keep the data, powered by a rechargeable battery. In normal use, the machine both powers the system and tops up the battery, like how a car needs to be running and moving before it can charge its own battery. Sort of. Anyway, there is no point in removing the internal battery, you'll only lose your saves and it'll recharge itself anyway.
InsaneDavid
10-16-2005, 02:13 AM
The Mega CD memory works along the same lines as the Dreamcast's: it uses a chip memory to keep the data, powered by a rechargeable battery. In normal use, the machine both powers the system and tops up the battery, like how a car needs to be running and moving before it can charge its own battery. Sort of. Anyway, there is no point in removing the internal battery, you'll only lose your saves and it'll recharge itself anyway.
Correct yet incorrect. Rechargable batteries DO go dead eventually, I have a Dreamcast that has a bad system battery that will not recharge / hold its charge. (believe this had something to do with the power supply not being seated correctly for a LONG time) If the Sega CD DOES in fact use a rechargable battery then it needs to be replaced with another rechargable battery.
SuperShark
10-17-2005, 07:45 PM
:duh: Just as care batteries eventualy die.
ice1605
10-19-2005, 09:00 PM
There is a battery in the SegaCD? And besides, what would be worth keeping in the System Memory? Wouldn't it just be game files?... Oh, I see now LOL .
Ice
InsaneDavid
10-19-2005, 11:46 PM
There is a battery in the SegaCD? And besides, what would be worth keeping in the System Memory? Wouldn't it just be game files?... Oh, I see now LOL .
Ice
It's really not a big deal other than the internal saves going bad but a Dreamcast with a bad battery is a bitch because you have to reset the internal clock every time you turn it on.
ice1605
10-20-2005, 03:03 PM
It's really not a big deal other than the internal saves going bad but a Dreamcast with a bad battery is a bitch because you have to reset the internal clock every time you turn it on.
That can get annoying! My old Macintosh LCIII's PRAM battery died, so all of my settings had to be reset and I had to restart the computer (32-Bit adressing always defaulted off, so my LCIII could only use 8MB of the 20MB that I had in there). I learned to live with the bad clock, but I broke down and bought a $15 battery at Radio Shack, and now my settings LIVE!
Ice
SuperShark
10-20-2005, 06:10 PM
You also have to set up the time and crap every time that you turn on a Saturn with a bad battery. Sadly, my Saturn's battery died recently, a few months ago. I really should get aroung to figuring out exactly what kind of battery it needs and replacing my bad one. I thankfuly think I know how to access the battery easily, I just need to get a new one and replace. Oh well, I'll get to it one of these days.
InsaneDavid
10-20-2005, 08:34 PM
You also have to set up the time and crap every time that you turn on a Saturn with a bad battery. Sadly, my Saturn's battery died recently, a few months ago. I really should get aroung to figuring out exactly what kind of battery it needs and replacing my bad one. I thankfuly think I know how to access the battery easily, I just need to get a new one and replace. Oh well, I'll get to it one of these days.
It takes a normal CR2032, same as the Dreamcast VMU's. To get to it you just open the expansion bay door on the back and it's right there, pry it up and it'll pop right out. Then just snap the new one into place.
SuperShark
10-20-2005, 09:12 PM
Well, I already knew how to get to it, but thank you for telling me what type of battery it takes. Before I go and get the battery though, whenever the heck that may be, can you tell me first, did it use a rechargable one or not? Thanks for the help.
BTW, just remembered, think I got a few extra batteries of that type, non-rechargale, lying around, may be able to fix this soon if I get around to it and think of it.
InsaneDavid
10-21-2005, 12:41 AM
Well, I already knew how to get to it, but thank you for telling me what type of battery it takes. Before I go and get the battery though, whenever the heck that may be, can you tell me first, did it use a rechargable one or not? Thanks for the help.
BTW, just remembered, think I got a few extra batteries of that type, non-rechargale, lying around, may be able to fix this soon if I get around to it and think of it.
Since it has CR in it, it's NOT rechargable, it's a standard lithium button cel.