DELL V486DX/XX REV. 1 I/O CARD
| 
 
  | |
| 
 Data bus:  | 
 16-bit, ISA  | 
| 
 Size:  | 
 Half-length, full-height card  | 
| 
 Hard drive supported:  | 
 Two IDE (AT) Interface drives  | 
| 
 Floppy drives supported:  | 
 Two 360KB, 720KB, 1.2MB, or 1.44MB drives  | 
| 
 CONNECTIONS  | |
| 
 Function  | 
 Location  | 
| 
 25-pin parallel port  | 
 CN1  | 
| 
 10-pin serial port - external  | 
 CN2  | 
| 
 10-pin serial port - internal  | 
 J3  | 
| 
 40-pin IDE(AT) interface connector  | 
 J4  | 
| 
 34-pin control cable connector - floppy drive  | 
 J5  | 
| 
 4-pin connector - drive active LED  | 
 J6  | 
| 
 Game port  | 
 J8  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Location  | 
 Setting  | |
| » | 
 IDE(AT) port (J2) enabled  | 
 J7  | 
 pins 14 & 16 closed  | 
| 
 IDE(AT) port (J2) disabled  | 
 J7  | 
 pins 16 & 18 closed  | |
| » | 
 Control cable connector - floppy drive (J1) enabled  | 
 J7  | 
 pins 20 & 22 closed  | 
| 
 Control cable connector - floppy drive (J1) disabled  | 
 J7  | 
 pins 22 & 24 closed  | |
| 
 SERIAL PORT 1 (CN2) CONFIGURATION  | ||
| 
 COM/Address  | 
 J7  | |
| » | 
 COM1/3F8h  | 
 pins 1 & 3, 7 & 9 closed  | 
| 
 COM3/3E8h  | 
 pins 1 & 3, 9 & 11 closed  | |
| 
 Disabled  | 
 pins 3 & 5 closed  | |
| 
 SERIAL PORT 2 (J3) CONFIGURATION  | ||
| 
 COM/Address  | 
 J7  | |
| » | 
 COM2/2F8h  | 
 pins 2 & 4, 8 & 10 closed  | 
| 
 COM4/2E8h  | 
 pins 2 & 4, 10 & 12 closed  | |
| 
 Disabled  | 
 pins 4 & 6 closed  | |
| 
 PARALLEL PORT (CN1) CONFIGURATION  | ||
| 
 LPT/Address  | 
 J7  | |
| » | 
 LPT1/278h  | 
 pins 13 & 15, 19 & 21 closed  | 
| 
 LPT2/378h  | 
 pins 13 & 15, 21 & 23 closed  | |
| 
 Disabled  | 
 pins 15 & 17 closed  | |