| IBM 6x86 Processor Part Mark |
| A - CPU type |
6x86
6x86L
6x86MX |
| PR166 - Performance Rating |
PR120-366 |
| D - Clock Multiplier |
A or 2 = 2x
B = 2.5x
C or 3 = 3x
D = 3.5x |
| XX - Core Voltage |
V7 = 3.52V (single voltage CPU)
V2 = 3.3V (single voltage CPU)
VC = 3.1V
VB = 3.0V
VA = 2.9V (first spec for VA was 2.8V, but canceled by Cyrix) |
| Y - Package Type |
G = 296pin Ceramic PGA
H = 296pin ???
P = 296pin Plastic PGA |
| Z - Revision Level |
A = 2.4
B = 2.5
C = 2.7
D = 3.6
E = 3.7
F = ? |
150MHz (or)
2.0x 66MHz |
core frequency in MHz (or)
clock multiplier and FSB |
| 2.8V CORE |
Core Voltage, check with XX |
