Compaq 486 Maintenance And Service Manual page 48

Table 4-5. COMPAQ PORTABLE 486c Personal Computer Processor Board Connectors
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1. Memory Module Connectors, Slots 2, 3, and 4
2. Intel 486 33 MHz Microprocessor Connector
3. System ROM Connector
4. Real Time Clock/Battery Connector
5. Memory Module Connector, Slot 1
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I/O Board
Table 4-6. COMPAQ PORTABLE 486c Personal Computer I/O Board Connectors
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1. Enhanced Option Connector
2. Internal Keyboard Connector
3. Fan Assembly Connector
4. Diskette Drive Connector
5. Fixed Disk Drive Connector
6. Processor Slot
7. Video Slot
8. Audio Input Jack
9. EISA Slots
10. I/O Board Switches
11. Serial Connector
12. Parallel Connector
13. External Storage Module Connector
14. CD-ROM Connector
15. Pointing Device (Mouse) Connector
16. External Keyboard Connector
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Standard Boards