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You are currently reading a thread in /g/ - Technology

Thread replies: 35
Thread images: 4
File: ps2.jpg (73 KB, 1280x720) Image search: [iqdb] [SauceNao] [Google]
ps2.jpg
73 KB, 1280x720
Hey /g/
I recently fired up my old PS2 after 10+ years of it being off and unpowered.
I was surprised to see that it still knew the correct time and date. ie it knew it was January 11th, 2016. The actual time of day was only off by half an hour too.
What kind of technology does the PS2 use to be able to accurately keep track of time, in an unpowered state for over 10 years?
>>
computers
>>
>>52374351
Battery powered CMOS, counting backwards from the unix epoch
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A battery
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>>52374351
magic
>>
>>52374375
damn
>>
It has its own pocket watch
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It has an internal battery. They can last for up to ten+ years.
>>
Any of you fags want a copy of Half Life 2 for PS2?

Good condition w/ case/manual
>>
File: cmos-battery.jpg (89 KB, 759x639) Image search: [iqdb] [SauceNao] [Google]
cmos-battery.jpg
89 KB, 759x639
Computer motherboards use to have a replaceable CMOS battery like this.
>>
File: sad_man.jpg (69 KB, 472x472) Image search: [iqdb] [SauceNao] [Google]
sad_man.jpg
69 KB, 472x472
>>52374386
It's literally a fucking watch battery.

You should not be amazed by this.
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>>52374420
pm me
>>
>>52374375
real time clock. You canot say it use epoch time. Because there as plenty of rtc that dont give epoch time
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>>52374420
Who buys shit PC games for the last good Jap console? That's heresy.
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>>52374461
@No.52374461: You have a paypal?
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>>52374476
>@
Gtfo
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>>52374449
>used to
they most certainly still do
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>>52374476
reddit pls
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>>52374456
a battery that stays powered for 10 years? yeah i would call that impressive
>>
>>52375161

They do. The only thing they're powering is an internal clock. It's not even a drip feed of power.
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>>52375161
My watch batteries barely last 3. That's a nice battery they got there, if it's just a watch battery. I could see other types of batteries lasting that long, but a normal watch battery seems kinda off.
>>
>>52375239
Your watch battery is also powering an LCD display and light. Literally the only thing it's used for in the PS2 is to maintain the internal clock.
>>
>>52375239
Gameboy cartridges have one of those too, my pokemon red has lasted more than 15 years without the battery giving out.
Surprisingly the one inside my newer pokemon silver cartridge died and lost all my progress.
>>
>>52375239
No it's literally like many watch batteries. Watches consume significantly more power, and watches consume shit.

Think of what a watch does, then subtract the most power consuming part: the display.
>>
>>52375239
Most watches don't use a battery the size of a CR2032.
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>>52375321
some of em do
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Is that battery there for the sole purpose of keeping time? Seems rather pointless if that's its only function
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>>52375480
it also keeps the CMOS settings, removing it resets them in case you configure your BIOS wrong and it stops booting
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PS2 relevant hardware always. Just bought Gta VCS and Zone of enders brand new
>>
install freemcboot
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>>52374351
>What kind of technology does the PS2 use to be able to accurately keep track of time, in an unpowered state for over 10 years?
It uses clock technology.
>>
Meanwhile, in Dreamcast land, after a whopping one month of not powering it on...
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>>52377348

Replace your CMOS battery you moron.
>>
>>52374387
This.
>>
It's called a CR2032
Thread replies: 35
Thread images: 4
Thread DB ID: 423817



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