| Jpkb | Keyboard Connector | 6-pin mini DIN |
| Jpms | Mouse Connector | 6-pin mini DIN |
| Jvga | VGA Connector | 15-pin D-Sub |
| Jgam | Game Port | 25-pin D-Sub |
| Jlpt | LPT1/2 Connector | 25-pin D-Sub |
| Jcom2 | COM2/4 Connector | 9-pin D-Sub |
| Jbt | External Battery Connector | Pin 1 +3.6V Pin 2 Key Pin 3 GND Pin 4 GND |
| Slot1 | Master Slot | 98-pin Slot |
| Ps1 | Power Supply connector 1 | 6-pin Connector |
| Ps2 | Power Supply connector 2 | 6-pin Connector |
| Jmod | COM1/3 Modem Connector. Jumper on pins 9,10,11,12 (shorts pins 10 and 11). | 2 x 10-Pin Header. No daughterboard fax/modem installed |
| (When jumped, COM1/COM3 is disabled) 1 Jmod | Jumper removed from pins 9,10,11,12. NOTE: Should be removed ONLY if a daughter- board fax/modem is installed. | Daughterboard fax/ modem installed. A modem installed in an expansion slot WILL NOT WORK if jumper is removed. |
| Jhdd | IDE Connector | 2 x 20-Pin Header |
| Jfdd | FDC Connector | 2 x 17-Pin Header |
| Jind | Front Panel Connector | Pin 1 +Vcc Pin 2 Turbo LED Pin 3 Not Used Pin 4 Not Used Pin 5 Ground |
| Jhdi | HDD Indicator | Pin 1 +5V DC Pin 2 HDD Signal |