Cyrix 6x86MX / MII marking & reference


On CPU top
Cyrix
MII

MII-333GP
83MHz Bus 3x
2.9V
FAN/HEATSINK REQUIRED
Cyrix
MII

MII-333GP
83MHz Bus 3x
2.9V
FAN/HEATSINK REQUIRED
On CPU top
Cyrix
MII


MII-433GP
100MHZ BUS 3.0X
2.2V     ES
M2433D100-22E
HEATSINK REQUIRED
Cyrix
MII


MII-433GP
100MHZ BUS 3.0X
2.2V     ES
M2433D100-22E
HEATSINK REQUIRED

Cyrix 6x86MX / MII Processor Part Mark
color of CPU cap gold - IBM fabbed (0.3µm)
black - NatSemi fabbed (0.25µm)
MII MII - 6x86MX
433 433MHz Pentium Rating
100MHZ BUS FSB
3.0X Frequency Multiplier
2.2V core voltage
ES Engineering sample
M2 M2
433 433MHz Pentium Rating
D D
100 FSB
22 voltage (?)
E E