| JUMPERS Presario 5800 Models with Celeron
    System BoardThis board has no jumper settings except for
    clearing CMOS.    
      
        | Jumper location
        JP1 |  
        | CMOS
        Jumper Settings |  
        | CMOS Normal | CMOS Clear |  
        | Pins 1-2 | Pins 2-3 | 
 Presario 5800 Models
    with Athlon System Board
      
        | Compaq Presario 5800
        Series System Board: External Connectors |  
        |  | Function | Description | Designator |  
        |  | Serial | DSUB 9-Pin | J25 |  
        |  | Parallel | DSUB 25-Pin | J25 |  
        |  | USB Port | Dual USB Connector | J23 |  
        |  | Keyboard | Miniature 6-Pin | 1/2 J24 |  
        |  | Mouse | Miniature 6-Pin | 1/2 J24 |  
        |  | CMOS Clear | 3-Pin Header | J3 |  
        |  | DIMM Sockets | 168-Pin DIMM | S1,S2,S3 |  
        |  | Button/Light Board | 7-Pin Header | J1 |  
        |  | Power Supply | 20-Pin ATX Power
        Header | J8 |  
        |  | Replacement Battery | Battery Holder
        (CR2032 - battery type) | B1 |  
        |  | Primary IDE Drive
        (Hard Drive) | 40-Pin Header, Key 20 | J6 |  
        |  | Secondary IDE Drive
        (CD Drive) | 40-Pin Header, Key 20 | J7 |  
        |  | Diskette Drive | 34-Pin Header | J5 |  
        |  | PCI Slots | PCI Slot 1-5 | J16,
        J17, J18,J19, J20 |  
        |  | CPU Fan | Header | J9 |  
        |  | System Fan | Header | J11 |  
        |  | 1394 Connector | Connector | J22 |  
        |  | AGP Slot | AGP Slot | J12 |  
        |  | Processor | Processor Slot | J10 | 
 Presario 5800 Models with Pentium III
    System Board
      
        | 5800 Models with Pentium III System
        Board: Connectors and Jumpers |  
        |  | Function | Description | Designator |  
        | 1 | Front I/O Connector |  | J11 |  
        | 2 | Parallel Port
        Connector |  | J8 |  
        | 3 | Primary IDE Drive |  | J12 |  
        | 4 | Secondary IDE Drive |  | J13 |  
        | 5 | Diskette Drive |  | J14 |  
        | 6 | Fan Connector | 4-Pin | J16 |  
        | 7 | Fan Connector | 3-Pin | J20 |  
        | 8 | Button Board |  | J10 |  
        | 9 | CMOS Jumper |  | JP1 |  
        | 10 | RTC Battery | Battery holder | BT1 |  
        | 11 | ISA Slot | ISA Connector | ISA1 |  
        | 12 | On-board Audio Disable |  | JP6 |  
        | 13 | PCI Slots | PCI Connector | PCI 1 to 5 |  
        | 14 | CD Audio |  | J17 |  
        | 15 | AGP Slot |  | AGP1 |  
        | 16 | Frequency Multiple Jumpers |  | JP2 |  
        | 17 | Slot 1 |  | J18 |  
        | 18 | Heatsink Fan Connector |  | J15 |  
        | 19 | ATX Power Supply Connector |  | J9 |  
        | 20 | DIMM | 168-pin DIMM | DIMM 1 to 3
 |  
        | 21 | Mouse | Mini 6-pin | J1 (Upper) |  
        | 22 | Keyboard | Mini 6-pin | J1 (Lower) |  
        | 23 | USB (2) |  | J2 |  
        | 24 | MIC Connector | Mini stereo | J3A |  
        | 25 | Line in | Mini stereo | J3B |  
        | 26 | Audio Connector (line out) | Mini stereo | J3C |  
        | 27 | Serial Port |  | J4 |  
        | 28 | 1394 Connector | 6-pin 1394 connector | J7 | 
 REMOVAL/REPLACEMENT
    PROCEDURES System board may vary from the one shown. 
      
        | 
 | 
          
            | Removing the System Board  |  
            | 1. | Complete the preparation for disassembly procedures.
 |  
            | 2. | Remove the Chassis. |  
            | 3. | Disconnect Baffle from fan by
            sliding tabs out of the slots on both sides of baffle, then lift baffle up. |  
            | 4. | Remove the Graphics Board (on
            selected models only). |  
            | 5. | Remove the Fax/Modem. |  
            | 6. | Remove Networking Interface Card
            (on select models only). |  
            | 7. | Remove
            the Audio Card (on select models only). |  
            | 8. | Remove the Memory. |  
            | 9. | Remove the Processor. |  
            | 10. | Remove the Processor Retention
            Clips. |  
            | 11. | Disconnect the System Board
            Cables. |  
            | NOTE: | Be sure to remove components such as DIMMs, processor, and
 video memory before replacing
 the system board.
 |  
            | 12. | Remove nine screws from the
            System Board. |  
            | 13. | Slide System Board toward drive
            bay and lift from the computer. |  
            | 
 |  
            | Replacement |  
            |  | To replace the system board, reverse the removal procedure.
 |  |  |