Back in the day, did any of you own a computer with....

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D1gger

Diamond Member
Oct 3, 2004
5,411
2
76
Originally posted by: chuckywang
a TURBO button???

*raises hand*

Yup. I never understood why I would want to run it at less than "turbo" speed.
 

Fritzo

Lifer
Jan 3, 2001
41,904
2,141
126
Hell... I had a computer with a tape cassette data drive, and you could "overclock" it by holding the play button down about half way, so it would play at twice it's normal rate.
 

hanoverphist

Diamond Member
Dec 7, 2006
9,867
23
76
yup, i still have one on my lab table at home. im gonna get it working in the next couple weeks again too. needs video fixed.
 

piasabird

Lifer
Feb 6, 2002
17,168
60
91
Some computer cases had turbo buttons that were not connected to anything. Turbo is only a slight more intense Processor mode king of like overclocking. It never had much of an effect. It was a pretty much useless button.
 

geecee

Platinum Member
Jan 14, 2003
2,383
43
91
I remember having to turn it off to play some games, otherwise I would've had to have bionic reflexes.
 

FeuerFrei

Diamond Member
Mar 30, 2005
9,144
929
126
Yes my first pc in 1996 did.

Here at work the other day I found a keyboard with a Turbo key. If anyone knows what's up with that, hit reply.
 

yelo333

Senior member
Dec 13, 2003
990
0
71
Originally posted by: D1gger

Yup. I never understood why I would want to run it at less than "turbo" speed.
Originally posted by: geecee
I remember having to turn it off to play some games, otherwise I would've had to have bionic reflexes.

Yes, I think that was exactly why they existed in the first place...

The old software was made rather short sighted. The way to make it run at the right speed was to slow your computer down...

Oh, and *raises hand* 16mhz 386 which ran at 8mhz non-turbo. It had a math co-processor, so I ran fractint all day on it.
 

JDMnAR1

Lifer
May 12, 2003
11,984
1
0
Man - my first "PC" had the cassette tape interface (TI-99/4A) and my first real PC had a functional turbo button. It was actually based on the NEC V20 processor running at 12MHz in turbo mode.
 

Rubycon

Madame President
Aug 10, 2005
17,768
485
126
Believe it or not today we still need to do this - but it's done in software.

Text

The old "chipmunks" trick on the tape recorder would prevent data uploads. Datasettes are analog like laser discs.
 

nakedfrog

No Lifer
Apr 3, 2001
59,025
13,516
136
Originally posted by: AMCRambler
We had them at my high school. 486 Dx2's with a little digital LED that would scroll up the mhz when you punched the button. I still don't really get how you could over clock while the machine was running. Nowadays you have to make your bus speed changes in the bios and reboot. With this you could be booted into DOS and the turbo button would still work. I think the machines were running Windows 3.1, but you had to load it by command at the prompt. Most of the apps we worked with were DOS based so we didn't do much in Windows. The best was when we had game day and the teacher would let us play Doom 2 on the LAN. I think it was like up to 6 people could get in a game. Beat the crap outta dialing up your friend on a 56k.

Me and a friend got to run the spare Novell Netware server in high school... we'd always come in at lunch and round up people to play Doom (the first one )
 

zeruty

Platinum Member
Jan 17, 2000
2,276
2
81
Originally posted by: dullard
It underclocked your CPU when you wanted to go slower. That is, your CPU was at a higher speed than most programs were intended to run on, and thus these poorly written programs would be unusable. You could press the button (turn off turbo) and then run those programs without problem.

Back then, programs were usually written to do the next line of code as soon as the computer is ready. Only later did programs get more sophisticated and were told to wait until the clock reached a certain time to do that code.

Consider a typical golf program. You pressed a button to start the backswing and released it to stop the swing (and hit the ball with that amount of power). On a slow computer, that would take 1-2 seconds. But on a faster computer it may take 0.5 seconds -- too fast for a player to accurately do the motions. Thus, you'd turn off the turbo, slow down your computer, and make the program usable again.

Finally someone to explain it. I was reading down this thread hoping I wouldn't have to spend time explaining it to all the n00bs!
 

zeruty

Platinum Member
Jan 17, 2000
2,276
2
81
Originally posted by: FeuerFrei
Yes my first pc in 1996 did.

Here at work the other day I found a keyboard with a Turbo key. If anyone knows what's up with that, hit reply.

I've seen a generic keyboard that had a turbo button, that was used primarily to change the repeat right on the keyboard, using combos like turbo+1, turbo+2, ...
That in my opinion was pretty worthless, but what was cool was there was a combo (I think turbo+pause) that would lock the keyboard, so it wouldn't work until you unlocked it. This would be useful if you're getting up from your computer for a minute and don't want your kids or kittens messing crap up...
 

Juice Box

Diamond Member
Nov 7, 2003
9,615
1
0
Haha yeah, we did. We used to use it to cheat at Tetris. We'd turn turbo off on the harder levels, and because the computer was so slow, it ran the game at half the regular speed, thus making my siblings and I Tetris champions.
 

91TTZ

Lifer
Jan 31, 2005
14,374
1
0
My 8088 had a turbo button.

Hey, that would be a good idea for the new processors with power management. My Athlon64 X2 5200 throttles down to 1 ghz when I'm not doing something CPU intensive. Even when I am, it still seems to be slower. I should put a turbo button on my PC to enable the full speed mode instead of going into the AMD power settings.
 

TheGizmo

Diamond Member
Dec 31, 2000
3,627
0
71
yep.. my Leading Edge 386 16MHz, 40 megabyte harddrive, 3600 baud modem, had a turbo... all for a cheap $1400 , i don't remember how fast it made it go though. that ****** was pimp though.. with the 640x480 resolution COLOR 14 inch diagnol monitor.... ahh the good old days.
 

chuckywang

Lifer
Jan 12, 2004
20,133
1
0
Originally posted by: TheGizmo
yep.. my Leading Edge 386 16MHz, 40 megabyte harddrive, 3600 baud modem, had a turbo... all for a cheap $1400 , i don't remember how fast it made it go though. that ****** was pimp though.. with the 640x480 resolution COLOR 14 inch diagnol monitor.... ahh the good old days.

Yep, my first was a 486.
 
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