List of Intel Xeon processors (P6-based)

"Drake" (250 nm)

 * Based on P6 microarchitecture
 * All models support: MMX
 * All models support quad-processor configurations
 * Steppings: B0, B1

"Tanner" (250 nm)

 * Based on P6 microarchitecture
 * All models support: MMX, SSE
 * All models support quad-processor configurations
 * Die size: 123 mm2
 * Steppings: B0, C0

"Cascades" (180 nm)

 * Based on P6 microarchitecture
 * All models support: MMX, SSE
 * Only 700 MHz and 900 MHz models are capable of quad processor configurations
 * All models shipped in either 2.8 V, 5 V, or 12 V variants
 * Steppings: A0, A1, A2, B0, C0