| Explorer Motherboard Jumpers And Connectors |
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Important Note:
There are two versions of the Explorer motherboard, depending on the type of CPU it supports. Part numbers of Explorer motherboards can be 683623xxxx or 683767xxxx.
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Motherboard Configuration (jumper settings)
- Clear CMOS jumper (JBAT1)
- BIOS Configuration Access (J9)
| Setting | Clear CMOS jumper (JBAT1) |  |
| 1-2 on | Normal operation (default) | |
| 2-3 on | Clear current BIOS default settings |
| Setting | Front Side Bus speed |  |
| 1-2 on |
133 MHz: Supports 266 MHz FSB Athlon at 1333 MHz maximum and 266 MHz FSB Athlon XP 2000+ maximum |
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| 1-2 off | 100 MHz: Supports 200 MHz FSB Duron at 1300 MHZ maximum and 200 MHz FSB Athlon at 1300 MHz maximum |
| Setting | Bios Configuration Access (J9) |  |
| 1-2 on | Normal operation (default) | |
| 2-3 on | Access BIOS maintenance panel | |
| none | BIOS recovery |
Note: When jumper J9 is set to position 2-3, you will find a new option in the BIOS Setup: Maintenance. Here you can clear all user and supervisor passwords (press <Enter> and confirm the operation).
Athlon/Duron processor identification
| Motherboard for Athlon and Duron processor Part number 683623xxxx |
Motherboard for Duron processor Part number 683767xxxx |
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Internal Connectors
| Denomination on drawing | Name | Type | |
| CNR | Communications Network Riser | Standard CNR slot
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| PCI 1, 2 | PCI connectors | Standard PCI extension slots
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| AGP | Accelerated Graphics Port | Standard AGP connector | |
| DIMM 1 | Bank 0/1 DIMM socket | 168-pin standard socket | |
| DIMM 2 | Bank 2/3 DIMM socket | 168-pin standard socket | |
| IDE 1 | Primary IDE connector | 40 (2x20) pin header | |
| IDE 2 | Secondary IDE connector | 40 (2x20) pin header (white) | |
| FDD1 | Floppy drive connector | 34 (2x17) pin shrouded header | |
| CPU | CPU socket | Socket 462 | |
| JWR1 | Power connector | 20-pin keyed connector | |
| JAUX | Aux Audio | 4-pin shrouded header (yellow) | |
| J_PHN | Modem audio | 4-pin shrouded header (green) | |
| JCD | CD audio header | 4-pin shrouded header (black) | |
| J5 | SPDIF | 3-pin shrouded header (black) | |
| C_FAN | Power fan connector | 3-pin shrouded header | |
| S_FAN | System fan connector | 3-pin shrouded header | |
| BATT | Battery socket | Lithium coin battery socket | |
| WOL1 | Wake On LAN connector | 3-pin shrouded header | |
| JMDM1 | Not used | 5-pin header | |
| JWOR1 | Wake On Ring connector | 2 x 5-pin header | |
| USB2 | Front USB header | 2 x 5-pin header (minus 2-pin) | |
| J9 | BIOS configuration access jumper | 3-pin jumper | |
| J6 | Front Side Bus speed | 2-pin jumper | |
| JBAT1 | Clear CMOS jumper | 3-pin jumper | |
| JCASE1 | Chassis intrusion header | 2-pin header | |
| J4 | Not used | 5-pin header | |
| JGS1 | Not used | 2-pin header | |
| JFP1 | Front Panel header | 2 A?- 9-pin header (minus 1 key) | |
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Back panel connectors
| Name | Function | Type | Colour |
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| A | PS/2 mouse port | 6-Pin mini-DIN | Green PMS 3395C |
| B | PS/2 keyboard port | 6-Pin mini-DIN | Purple PMS 2715C |
| C, D | USB ports | Black PMS 426C | |
| E | Serial port | 9-pin SUB D | Teal PMS 322C |
| F | VGA port | DB15-pin | Blue PMS 661C |
| G | Stereo Line out | jack socket | Lime 577C |
| H | Stereo Line in | jack socket | Light blue 284C |
| I | Microphone mono in | jack socket | Pink 701C |
| J | Printer / EPP & ECP port | 25-pin SUB D | Burgundy PMS 235C |
| K | MIDI and game port | 15-pin SUB D | Gold 131C |