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Values for stepping level

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Value Description

---i376 (type code 33h)---

05h

A0

08h

B

---80386/80386DX (type code 03h)---

03h

Intel B1 to B10, Am386DX/DXL step A

05h

Intel D0

08h

Intel D1/D2/E1, Am386DX/DXL step B

---80386SL (type code 43h)---

05h

A

1xh

B

---80386SX (type code 23h)---

04h

Intel A0

05h

Intel B, Am386SX/SXL step A1

08h

Intel C/D1, Am386SX/SXL step B

09h

Intel 386CX/386EX/386SXstatic step A

---80486DX (type code 04h)---

00h

Intel A0/A1

01h

Intel B2 to B6

02h

Intel C0

03h

Intel C1

04h

Intel D0

10h

Intel cA2/cA3, Cx486SLC step A

11h

Intel cB0/cB1

---486DX2 (type code 04h)---

02h

Am486DX2 (unknown stepping)

32h

Intel DX2/Overdrive steps A0 to A2

33h

Intel DX2/Overdrive step B1

---486SX (type code 04h)---

20h

Intel A0

22h

Intel B0

27h

Intel cA0

28h

Intel cB0

---486SL (type code 04h)---

40h

Intel A

---IntelSX2 (type code 04h)---

5xh

Intel A

---IntelDX4 (type code 04h)---

8xh

Intel A

---487SX (type code 04h)---

20h

Intel A0

21h

Intel B0

---Pentium (type code 05h)---

0xh

Intel P5 steps Ax (1993)

1xh

Intel P5 steps Bx (1994)

2xh

Intel P54C step A

---RapidCAD (type code 03h)---

40h

A