| AMD 486 Processor Part Mark |
| 80486DX2 |
80486SX= 486 w/o FPU
80486DX= 486 w/ FPU
80486DX2= 486 w/ FPU (clock doubled)
80486DX4= 486 w/ FPU (clock tripled) |
| A |
A= 168pin PGA (Pin Grid Array)
S= 208pin SQFP (Shrink Quad Flat Package) |
| W - ICE microcode |
Blank= Contains ICE microcode
N= No ICE microcode
S= Enhanced microcode (SMM) |
| X - Voltage |
V = 3.3V core, 5.0V I/O
none = 5.0V |
| Y - cache size |
8= 8KBytes |
| Z - cache type |
B= Write back
T= Write through |
| E6 9425APH |
E6 chip revision
94 year of manufacture
25 week of manufacture
APH rev. ? |
| 80 - processor speed |
25-120MHz |
