Processor Board Matrix (90, 95)

Location of Type-Model Sticker
8590/9590 The ID sticker is on the lower right front corner of the case. 
8595/9585/9595 The ID sticker is right below the power switch on the front of the case. 

Using the System Programs (Refdisk or System Partition) 
   Go to the Diagnostic Main Menu and select Display revision levels (you might have to select More utilities first). Note the submodel code displayed on the screen. 
   Read the FRU number printed near the card-edge of the processor board. Look for a second label (marked P1 - PC) to the right of the front serial number of the system. The second label indicates that the processor board has been upgraded. 

Complex Type links take you to the page for that type. 
Mod
Sub 
Mod 
90
Sub 
Mod 
95
Processor Board 
FRU Number 
and Description
2nd. 
Lab.
Complex
Type
OGX
2D
2C
92F0049 486SX-20
--
1
OJX
11
14
64F0201 486-25
P1
1
OKX
13
16
64F0198 486-33
P2
1
OMX
2B
2A
92F0048 486-50
P3
1
OGX
2F
2E
92F0065 487SX-20
P4
1
OKX 92F0145 486-DX2-66 5
1
OHX
57
58
92F0079 486SX-25
P5
2
OHX
59
5A
92F0079 486SX-25 1
P6
2
OLX
3F
40
92F0161 486DX2-25/50
P7
2
OHX
5B
5C
92F0079 486-25/50 2
P8
2
OMX
29
28
82G2484 486-50 
57F1597 486-50
P8
3
ONX
43
42
61G2343 486DX2-33/66 3
PB
4
OPX
45
46
52G9362 586-60 4
PC
4
OQX
--
44
92F0120 586-66  4
PE
4
OYX
--
  06H3739 586-90  4
--
4

1  Also has 487SX processor (FRU P/N 92F0100) 
2  Also has 486 processor (FRU P/N 92F0147) 
3  Type 4 DX2-66 has 128K Level 2 cache 
4. Type 4 Pentium have 256K Level 2 cache.
5. 92F0145 is an Upgrade Type 1 486-DX2-66 with Flash Rom

9595 Main Page