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AST RESEARCH, INC. TECHNICAL BULLETIN #0613A 04-19-90
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FASTBOARD 486/25 UPGRADE REQUIREMENTS
When upgrading any AST "CUPID" series Premium computer with a FASTboard
486/25 Upgrade Kit, it is necessary to verify that the correct kit is used
and that the system's components meet the requirements listed below.
1. UPGRADE KITS
Follow the table below to identify which FASTboard 486/25 Upgrade Kit is
required to upgrade your machine.
+--------------------------------------------------------+
|PRODUCT KIT REQUIRED PART NUMBER|
|--------------------------------------------------------|
|Premium 386SX/16 FASTboard 386SX-486/25 500744-006 |
|--------------------------------------------------------|
|Premium 386/25 FASTboard 386-25/486-25 500744-002 |
|--------------------------------------------------------|
|Premium 386/33 FASTboard 386-33/486-25 500744-003 |
+--------------------------------------------------------+
2. SYSTEM BOARD
Locate the part number on the front of the system board below the slot
connectors. You can install the FASTboard 486/25 if the system board
matches the part numbers shown in the following table:
+-------------------------------------+
| PRODUCT PART NUMBER REVISION |
|-------------------------------------|
| 386SX/16 202273-003 F or above |
| 202356-001 F or above |
| 202356-004 D or above |
|-------------------------------------|
| 386/25 202273-001 N or above |
| 202356-002 D or above |
| 202356-004 D or above |
|-------------------------------------|
| 386/33 202273-002 J or above |
| 202356-003 D or above |
| 202356-004 D or above |
+-------------------------------------+
3. MEMORY EXPANSION BOARD
Locate the part number on the front of the memory expansion board. You
can install the FASTboard 486/25 if the memory expansion board matches
the part numbers shown in the following table:
+-------------------------------------+
| PRODUCT PART NUMBER REVISION |
|-------------------------------------|
| ALL 202275-004 A or above |
| 202275-006 A or above |
+-------------------------------------+
If your system does not contain the necessary components, contact your
nearest AST Authorized Reseller or Service Center.