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