| Part Number | Frequency | Features | BIOS | PCB | Notes |
|---|
| AMD K6 |
AMD-K6-200ALR
AMD-K6-200ALYD
AMD-K6
200AFR
AMD-K6
PR2-200ALR
K6
200ALR | 200 | | | A | |
AMD-K6-233ANR
AMD-K6
233AFR
AMD-K6
233APR
K6
233ANR | 233 | | | A | |
AMD-K6
266AFR | 266 | | | A | |
AMD-K6
300AFR | 300 | | | A | |
| AMD K6-2 |
| | 250 | | | A | |
AMD-K6 3D
266AFR
AMD-K6-2
266AFR | 266 | | | A | |
AMD-K6 3D
300AFR
AMD-K6-2
300AFR
AMD-K6-2
300AFR-66 | 300 | | | A | |
AMD-K6 3D
333AFR
AMD-K6-2
333AFR
AMD-K6-2
333AFR-66 | 333 | | | A | |
AMD-K6-2
350AFR | 350 | | | A | |
AMD-K6-2
366AFR | 366 | | | A | |
AMD-K6-2
380AFR | 380 | | | A | |
AMD-K6-2
400AFQ
AMD-K6-2
400AFR | 400 | | | A | |
AMD-K6-2
450AHX
AMD-K6-2
450AFX | 450 | | | A | |
AMD-K6-2
475AFX
AMD-K6-2
475AHX | 475 | | | A | |
AMD-K6-2
500AFX
AMD-K6-2
500AHX | 500 | | | A | |
AMD-K6-2
550AGR | 550 | | | A | |
| AMD K6-2+ |
| | Any | | | A | Not supported |
| AMD K6-3 |
AMD-K6-III
400AFR
AMD-K6-III
400AHX | 400 | | | A | |
AMD-K6-III
450AFX
AMD-K6-III
450AHX | 450 | | | A | |
| | 475 | | | A | |
| | 500 | | | A | |
| | 550 | | | A | |
| Cyrix 6x86MX |
| | PR200 | | | A | |
| | PR233 | | | A | |
| | PR266 | | | A | |
| Cyrix MII |
| | 200 | | | A | |
| | 266 | | | A | |
| | 300 | | | A | |
| IBM 6x86MX |
| | PR200 | | | A | |
| | PR233 | | | A | |
| | PR266 | | | A | |
| | PR300 | | | A | |
| IDT C6 |
C6-DS200GAEM
C6-PSME200GA
C6-PSMF200GA | 200 | | | A | |
C6-PSME225GA
C6-PSMF225GA | 225 | | | A | |
C6-PSME240GA
C6-PSMF240GA | 240 | | | A | |
| IDT Winchip 2 |
W2-3DEE200GDA
W2-3DEE200GSA
W2-3DFF200GSA
W2A-3DEE200GSA
W2A-3DEE200GTA
W2A-3DFF200GSA
W2A-3DFF200GTA
WINCHIP2-3DE200GA | 200 | | | A | |
W2-3DEE225GDA
W2-3DEE225GSA
WINCHIP2-3DE225GA | 225 | | | A | |
W2A-3DEE233GSA
W2A-3DEE233GTA
W2A-3DFF233GSA
W2A-3DFF233GTA | 233 | | | A | |
W2-3DEE240GSA
WINCHIP2-3DE240GA | 240 | | | A | |
W2A-3DEE266GSA
W2A-3DEE266GTA
W2A-3DFF266GTA | 266 | | | A | |
W2A-3DEE300GSA
W2A-3DEE300GTA | 300 | | | A | |
| Intel Pentium MMX |
A80503166
BP80503166
FV80503166 | 166 | | | A | |
A80503200
BP80503200
FV80503200 | 200 | | | A | |
BP80503233
FV80503233 | 233 | | | A | |
When part numbers are not supplied by motherboard manufacturers,
we use best guess approach to determine part numbers based on CPU model,
frequency and features. In some cases our guess may be incorrect or incomplete.
Please always verify part numbers before committing to buying the CPU.