Compaq 486 Maintenance And Service Manual page 49

Table 4-7. Processor and Standard Board Assemblies and Subassemblies
=============================================================================
Item Description
-----------------------------------------------------------------------------
1. Processor Board
2. 4 Megabyte Memory Module
3. System ROM
4. Real Time Clock/Battery
5. I/O Board
6. Video Board
7. Display Inverter Board
8. Speaker Assembly
=============================================================================
Keyboard
Spare Part Number
128897-001
118741-001
128939-001
126570-001
128949-001
128899-001
128900-001
128966-001