Is it possible to switch the processor in a PS1?

imported_fatal

Senior member
Feb 6, 2005
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I just upgraded my PS1 to an AMD Athlon 64 FX-55, 1MB L2 Cache, 64-bit Socket 939 Processor. I had a little trouble mounting the heatsink due to capacitor clearance problems , but was able to find one that would give me enough clearance. My games now load in about 5.3 seconds & I have doubled most of my game scores!

I have also installed a meat locker freezer in my room to keep the CPU at an ideal temp, be sure to wear a warm jacket if you choose this option!
 

ohnnyj

Golden Member
Dec 17, 2004
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Are you talking about a Playstation? I'm pretty sure that it is a proprietary chip, unless you contact Sony and have them make a specialized processor for you I think you may be out of luck.
 

nineball9

Senior member
Aug 10, 2003
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PS/1 (with a slash) was IBM's plastic version of their earlier PS/2 PC's designed for the retail market, and without the Microchannel bus.
 

Stas

Senior member
Dec 31, 2004
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ohnnyj

Well, they probably would do it for, say, 10,000,000 dollars or so. :)
 

ohnnyj

Golden Member
Dec 17, 2004
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Originally posted by: Stas
ohnnyj

Well, they probably would do it for, say, 10,000,000 dollars or so. :)

And get the same performance as a PS2 for $150.
 

TomKazansky

Golden Member
Sep 18, 2004
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Originally posted by: fatal
I just upgraded my PS1 to an AMD Athlon 64 FX-55, 1MB L2 Cache, 64-bit Socket 939 Processor. I had a little trouble mounting the heatsink due to capacitor clearance problems , but was able to find one that would give me enough clearance. My games now load in about 5.3 seconds & I have doubled most of my game scores!

I have also installed a meat locker freezer in my room to keep the CPU at an ideal temp, be sure to wear a warm jacket if you choose this option!

lol f'sho hahahahhaa
 

ribbon13

Diamond Member
Feb 1, 2005
9,343
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Yes, it's called downloadin ePSXe




(a) CPU

The CPU also contains the GTE, the MDEC and the DMA controller.

* R3000A from MIPS(SGI) and LSI Logic Technologies
* 32 bit RISC processor
* Clock 33.8688MHz
* Operating performance 30 MIPS
* Instruction Cache 4 KB
* Data Cache 1 KB
* BUS 132 MB/sec.
 

sandorski

No Lifer
Oct 10, 1999
70,664
6,237
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Assuming it's an IBM PS1, maybe. IIRC, they were 386/486 era systems, so as long as they used a Socket and not soldered directly to the motherboard, you might be able to replace the cpu with one of the same family. However, it would be totally pointless.
 

vegetation

Diamond Member
Feb 21, 2001
4,270
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He's probably talking about some 486 based system. If so, then yes, Intel made a pentium 83mhz or something to that liking which pinned on to the 486 socket and had its own voltage regulator with fan so you didn't have to fiddle with that. It was quite a half-decent upgrade actually. In real world performance it was slightly faster than a P-66 but slower than a P-75.
 

0roo0roo

No Lifer
Sep 21, 2002
64,795
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nope, only special faster versions of xboxes exist. think a review is on firingsquad.. or was that sharkyextreme
 

Thegonagle

Diamond Member
Jun 8, 2000
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Originally posted by: vegetation
He's probably talking about some 486 based system. If so, then yes, Intel made a pentium 83mhz or something to that liking which pinned on to the 486 socket and had its own voltage regulator with fan so you didn't have to fiddle with that. It was quite a half-decent upgrade actually. In real world performance it was slightly faster than a P-66 but slower than a P-75.

They called it the "Overdrive" upgrade.

At this point, however, it's not worth it to upgrade such a system. Even with the Overdrive CPU, it would still totally suck.

My inclination would be to throw it in the dumpster and forget about it; there is zero reusable parts in a box that old. (Even the case itself is useless; it would an AT, not an ATX.)