Presario 2100 System Board
2100: External Connectors |
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| Function | Description | Designator |
| Microphone | Mini-Jack | MIC |
| Speaker Out/Headphone | Mini-Jack | CN2 |
| Parallel | DSUB 25-Pin | CN3 |
| Serial | DSUB 9-Pin | CN4 |
| Joystick | DSUB 15-Pin 2 Row | CN5 |
| Video | DSUB 15-Pin 3 Row | CN6 |
| Mouse | Miniature 6-Pin | CN8 |
| Keyboard | Miniature 6-Pin | CN9 |
2100: Internal Connectors |
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| Function | Description | Designator |
| Modem Connector | 64-Pin Edge | SL 1 |
| CMOS | 3-Pin Header | CMOS CLEAR |
| SIMM Sockets | 72-Pin SIMM | SIM 1, SIM2, SIM3, SIM4 |
| Button/Light Board | 7-Pin Header | CN7 |
| CD Audio | 4-Pin Header | CD IN |
| Power Supply | 6-Pin ATPWR Header | CN1 |
| Primary IDE Drive (CD/Hard Drive) |
40-Pin Header, Key 20 | Primary IDE |
| Diskette Drive | 34-Pin Header, Key 3 | FLOPPY |