All objects by Cyrix

Cyrix founded in 1988 as a supplier for math-coprocessors for early x86 CPU's (80286, 80386). Cyrix's FasMath FPU's for the 80386 is faster than Intel's 80387.

It's early attemps on fabricating a CPU started in 1992; a pin-compatible 386 named 486SLC and 486DLC. These CPU's were enhanced 386 CPU's which performed somewhere between a 386 and 486 from Intel.

In the 486-era Cyrix made interested 386-upgrades (the clock-doubled 486DRX2) to speed up old 386 systems. Cyrix eventually stepped into the real 486 marked and started working on a Pentium-clone in 1995. As work wasn't finished on the Pentium-clone Cyrix released the Cx5x86 which fitted into a 486-socket. The chip features some of the Pentium instructions (which made it possible to run MDK, although very slow) but compared to other 486 CPU's it ran cool and fast. And it even looks good with the little green heatsink!

Image
Later in 1995 Cyrix released the 6x86, their Pentium-clone. Paired up with the correct motherboard it ran fast with applications which leaned on the ALU, but it performed worse with FPU applications. Because Quake ran very slow on the Cyrix and it was difficult to establish in the CPU-market (people quickly say 'brand x' is bad due a weird reason). Cyrix made a few successors to the original 6x86 but ended up with a 300MHz Cyrix MII-433GP. The company was bought by National Semiconducter in 1997 and National Semiconductor sold the Cyrix CPU division to VIA in 1999.


Click on the names of the objects to see more details.


The list will show every object in my database that has been made by Cyrix.

Vendor
Name
Trans.
vCore
ES?
Date
Socket
sSpec
Cyrix
?
5V
No
9302
PQFP80
N/A
Cyrix
0.600
5V
No
9248
PGA132
N/A
Cyrix
0.600
5V
No
9241
PGA132
N/A
Cyrix
1.2M
5V
No
9407
PGA168
N/A
Cyrix
?
5V
No
9243
PGA68
N/A
Cyrix
0.600
5V
No
0000
PGA132
N/A
Cyrix
1.2M
3,45V
No
9516
PGA168
N/A
Cyrix
0.600
5V
No
9438
PGA132
N/A
Cyrix
1.2M
5V
No
9532
PGA168
N/A
Cyrix
1.2M
5V
No
9533
PGA168
N/A
Cyrix
1.2M
3.45V
No
9531
PGA168
N/A
Cyrix
2M
3,3V
No
9541
PGA168
N/A
Cyrix
3,3M
3,3V
No
9713
PGA296
?
Cyrix
6M
2,9V
No
0000
PGA296
?
Cyrix
?
2,9V
No
9814
PGA296
?
Cyrix
6M
2,9V
No
9807
PGA296
?
Cyrix
6M
2,9V
No
9848
PGA296
?
Cyrix
6M
2,9V
No
0000
PGA296
?
Cyrix
6M
2,9V
No
0000
PGA296
?
Cyrix
6M
2,9V
No
9907
PGA296
?
Cyrix
6M
2,9V
No
0000
PGA296
?
Cyrix
6M
2,9V
No
9850
PGA296
?
Cyrix
6M
2,9V
No
0023
PGA296
?
Cyrix
6M
2.2V
No
9923
PGA296
?