+-------------------------------------------------------------------------------------------------------------------------+
|  Purpose      :  Chip-Number Comparison Chart                                                                           |
|  Refers To    :  IBM PS/2 Mod. 90 / 95 Platform Type 2  P/N 92F0079                                                     |
|  Type of Text :  ASCII                                                                                                  |
|  Last Modified:  980814                                                                                                 |
+-------------------------------------------------------------------------------------------------------------------------+




          +-------------------------------------------------------------------------------------------------------+
          |o   (486SX) PROCESSOR CARD                                                                            o|
          |       ....                                           +----------+   +----------+    +------------+    |
  +------ | ----->:  :                                           |          |   |          |    |_  U7/ROM   |    |
  |       |       ....                                           |   U5     |   |   U6     |    |    BIOS    |    |
  |       | +--------------+ +--------------+                    |   GA-J   |   |   GA-M   |    +------------+   ++
  |       | |            # | |            #.|                    |          |   |          |                     |
  |       | |              | |              |    +----------+    |#         |   |         #|    +----------+     |
  |       | |      U8      | |      U9      |    |          |    +----------+   +----------+    |          |     |
  |       | |     486SX    | |     487SX    |    |   U10    |                     T             |   U16    |     |
  |       | |    (486DX)   | |              |    |   GA-T   |                     |             |   GA-R   |     |
  |       | |              | |              |    |          |                     |     Y1      |          |     |
  |       | |              | |              |    |#         |                     |    OSC50    |#         |     |
  |  +--> | +--------------+ +--------------+    +----------+                     |    +---+    +----------+     |
  |  |    |IBM FRU 92F0079                                                        |    |   |                     |
  |  |    |FCC ID ANOIBM486SXB25                                                  |    +---+                     |
  |  |    |                    +--+                  ++                 +-+       |          ++                 ++
  |  |    |  [BARCODE STICKER] |  |                  ||                 | |       |          ||                 |                            
  |  |    +--------------------+  +------------------++-----------------+ +------------------++-----------------+
  |  |                                                                            |                                
  |  +----- SILK-SCREENED NUMBER here on opposite side                            |                                
  |                                                                               |                                
  +-------- U23/F08 at this position on opposite side                             |                                
                                                                                  |                                
                                                                                  |                                
                                                                                  |                                
                                                                                  |                                
                                            +-------------------------------------+
                                            |
                                            |
                                            +-- This is the suspected DMA-Controller chip 
                                            |   which might indicate 586-capable Type-2 platforms   
                                            V
+-----+--------------+---------------+-------------+---------------+-------------+-----------+-------+------------+-------+
| REG |   U10/GA-T   |    U5/GA-J    |   U6/GA-M   |   U16/GA-R    | CARD-STRING | SILK-SCRN | U23 ? | BAR-CODE   | 586 ? |
|     | Mem Data Buf.| Mem.Controller| DMA-Contr.  | MCA-Bus Contr.|             | MFG. DATE |       | STICKER    |       |
+-----+--------------+---------------+-------------+---------------+-------------+-----------+-------+------------+-------+
+-----+--------------+---------------+-------------+---------------+-------------+-----------+-------+------------+-------+
| 001 | 64F8781 (M)  | 89F5724       | 10G7808     | 89F5415       |             | 2092A0700 |  YES  | 1MP80966N0K|  YES  |
|     | IBM          | JAPAN  IBM 98 | IBM 9314 PQ | JAPAN  IBM 98 | PROCESSOR   | 1992      |       | 48G8042 226|       |
|     | 92231D179DTH | 19222E3542 A  | 1L250046C   | 19223E3935 A  | CARD        | 20. week  |       |            |       |
+-----+--------------+---------------+-------------+---------------+-------------+-----------+-------+------------+-------+
| 002 | 64F8781 (M)  | 89F5724       | 92F1428     | 89F5415       |             | 1592A0270 |  YES  | 1MP80966N0K|  NO   |
|     | IBM          | JAPAN  IBM 98 | IBM 9314 PQ | JAPAN  IBM 98 | PROCESSOR   | 1992      |       | 48G8042 226|       |
|     | 92231D179DTH | 19210E0809    | 1L050006C   | 19202E2278    | CARD        | 15. week  |       |            |       |
+-----+--------------+---------------+-------------+---------------+-------------+-----------+-------+------------+-------+
| 003 | 64F8781 (M)  | 89F5724       | 92F1428     | 89F5415       | 486SX-      | 4091A0140 |  NO   | 1ME80759NK2|  NO   |
|     | IBM          | JAPAN  IBM 98 | IBM 9314 PQ | JAPAN  IBM 98 | PROCESSOR   | 1991      |       | 07G3152 126|       |
|     | 9207D152DTH  | 1914CE1380    | 1K37001GC   | 1914CE1361    | CARD        | 40. week  |       |            |       |
+-----+--------------+---------------+-------------+---------------+-------------+-----------+-------+------------+-------+
| 004 | 64F8781 (M)  | 89F5724       | 92F1428     | 89F5415       | 486SX-      | 4291A0420 |  NO   | 1ME8077443U|  NO   |
|     | IBM          | JAPAN  IBM 98 | IBM 9314 PQ | JAPAN  IBM 98 | PROCESSOR   | 1991      |       | 07G3152 126|       |
|     | 9136D128111  | 19142E1423    | 1K400016C   | 19142E1440 A  | CARD        | 42. week  |       |            |       |
+-----+--------------+---------------+-------------+---------------+-------------+-----------+-------+------------+-------+
| 005 |              |               |             |               |             |           |       |            |       |
|     |              |               |             |               | PROCESSOR   | 19xx      |       |            |       |
|     |              |               |             |               | CARD        | nn. week  |       |            |       |
+-----+--------------+---------------+-------------+---------------+-------------+-----------+-------+------------+-------+
| 006 |              |               |             |               |             |           |       |            |       |
|     |              |               |             |               | PROCESSOR   | 19xx      |       |            |       |
|     |              |               |             |               | CARD        | nn. week  |       |            |       |
+-----+--------------+---------------+-------------+---------------+-------------+-----------+-------+------------+-------+



+-------------------------------------------------------------------------------------------------------------------------+
|  REG:  001 -   (Peter H. Wendt)                                                                        |
|        002 - ddaines@juno.com (David Daines)                                                                            |
|        003 - ddaines@juno.com (David Daines)                                                                            |
|        004 - hellion@visi.com (Hellion)                                                                                 |
|        005 -                                                                                                            |
|        006 -                                                                                                            |
+-------------------------------------------------------------------------------------------------------------------------+
|  (C) 1998 by Peter H. Wendt /                                         "I really love ASCII-graphics !" |
+-------------------------------------------------------------------------------------------------------------------------+