AMD-K6-2/400AC AMD-K6-2/400ACK AMD-K6-2/400ACR AMD-K6-2/400AFR AMD-K6-2/400AFR A AMD-K6-2/450ACK AMD-K6-2/450ADK AMD-K6-2/450AFX AMD-K6-2/475ACK AMD-K6-2/533AFX