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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 System Programs 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.
| Mod. |
Sub
Mod.
90 |
Sub
Mod.
95 |
Sub
Mod.
95A |
Processor Board
FRU and Description |
2nd
Label |
Base 0 / Type 0  |
| n0n |
15 |
1A |
N/A |
64F0782 386DX-20 0KB L2 |
|
| 40X |
17 |
12 |
N/A |
04G3884 386DX-20 64KB L2 |
– |
| Base 1 / Type 1 |
| 0GX |
2D |
2C |
N/A |
92F0049 486SX-20 [Pins 2-3] 1 |
– |
| 0GX |
2F |
2E |
N/A |
92F0049 487SX-20 [Pins 1-2] 2 |
P4 |
| 0JX |
11 |
14 |
N/A |
64F0201 486DX-25 |
P1 |
| 0KX |
13 |
16 |
N/A |
64F0198 486DX-33 |
P2 |
| 0Mu |
2B |
2A |
N/A |
92F0048 Upgrade 486DX-50 3 |
P3 |
| 0Ku |
37 |
36 |
N/A |
92F0145 Upgrade 486DX2-33/66 4 |
|
| Base 2 / Type 2 |
| 0HX |
57 |
58 |
N/A |
92F0079 486SX-25 5 |
P5 |
| 0HX |
59 |
5A |
N/A |
92F0079 487SX-25 6 |
P6 |
| 0LX |
3F |
40 |
N/A |
92F0161 486DX2-25/50 |
P7 |
| 0HX |
5B |
5C |
N/A |
92F0079 486DX2-25/50 7
|
P8 |
| Base 3 / Type 3 |
| 0MX |
29 |
28 |
N/A |
82G2484/57F1597 486DX-50 |
P8 |
| Base 4 / Type 4 |
| 0NX * |
43 |
42 |
44 |
61G2343 486DX2-33/66 8 |
PB |
| 0PX ** |
45 |
46 |
47 |
52G9362 586-60 9 |
PC |
| 0QX ** |
45 |
46 |
47 |
92F0120/71G6197 586-66 9, 10 |
PE |
| 0YX ** |
45 |
46 |
47 |
06H3739 586-90 9 |
– |
Notes:
N/A - "Not Applicable" - Type 0 through 3 complexes are NOT supported on the 95A planar.
1) 92F0049 486SX-20 [Pins 2-3]. 486SX-20 processor
2) 92F0049 487SX-20 [Pins 1-2]. 487SX-20 processor
3) 92F0048 Upgrade straight 486DX-50
4) 92F0145 Upgrade 486DX2-33/66
5) 92F0079 486SX-25
6) 92F0079 487SX-25
7) 92F0079 486DX2-25/50
8) Type 4 DX2-66 has 128 KB L2 cache
9) Type 4 Pentium have 256 KB L2 cache
10) 71G6197 586-66 Transitional Q [Suzie Q]
* The Type 4 486DX2-66 ["N"] Sub Models are 43 [90] / 42 [95] / 44 [95A]
** All Type 4 Pentium boards share the same Sub Models, 45 [90] / 46 [95] / 47 [95A].
0Ku Type 1 486DX2-33/66 (Flash based, probably for RAID systems)
0Mu Type 1 straight 486DX-50 that supports ECC (single board 486DX-50)
Source: PS/2 HMM, Third Edition (Oct 1994) (page 141 phys.)
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