QDI P5I430TX Titanium IB+ Manual page 55

Introducing Cyrix 6x86MX CPU markings:
Name of processor:
6x86 MX
Core Voltage:2.9V
Cyrix ®
P R O C E S S O R P R O C E S S O R
6x86 MX-PR200
M X
686
66MH Bus 2.5X
Z
X
2.9v
FAN/HEATSINK REQUIRED
Appendix
CPU P-Rating:
PR200
TM
CPU Core Frequency:
66MH x 2.5
Z
A - 5