VTECH INDUSTRIES, INC.
LASER AT MULTI-I/O CARD
|
I/O Options |
Floppy drive interface, IDE interface, game port, parallel port, serial ports (2) |
|
Data Bus |
16-bit ISA |
|
Card Size |
Full height, half length |
|
Hard Drives Supported |
Two IDE-AT devices |
|
Floppy Drives Supported |
Two 360KB, 720KB, 1.2MB, or 1.44MB drives |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
16-pin game port |
J1 |
4-pin drive active LED |
J10 |
|
34-pin cable connector - floppy drive |
J2 |
40-pin primary IDE(AT) connector |
J11 |
|
10-pin serial port 2 - internal |
J8 |
25-pin parallel port - external |
J12 |
|
9-pin serial port 1 - external |
J9 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Setting |
Label |
Position | |
|
IDE(AT) interface enabled |
J3 |
Pins 1 & 2 closed | |
|
IDE(AT) interface disabled |
J3 |
Pins 2 & 3 closed | |
|
Game port enabled |
J13 |
Pins 1 & 2 closed | |
|
Game port disabled |
J13 |
Pins 2 & 3 closed | |
|
Factory configured - do not alter |
J16 |
Pins 1 & 2 closed | |
|
Floppy interface enabled |
J17 |
Pins 1 & 2 closed | |
|
Floppy interface disabled |
J17 |
Pins 2 & 3 closed | |
|
PARALLEL PORT ADDRESS SELECTION | ||
|
Setting |
J4 | |
|
278h |
Pins 2 & 3 closed | |
|
378h |
Pins 1 & 2 closed | |
|
Disabled |
Open | |
|
SERIAL PORT ADDRESS SELECTION | |||||
|
Port 1 |
Port 2 |
J15 |
J14 |
J6 |
J7 |
|
3F8h (COM1:) |
2F8h (COM2:) |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 1 & 2 |
|
3F8h (COM1:) |
3E8h (COM3:) |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
|
3F8h (COM1:) |
2E8h (COM4:) |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
|
2F8h (COM2:) |
3F8h (COM1:) |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
|
2F8h (COM2:) |
3E8h (COM3:) |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 1 & 2 |
|
2F8h (COM2:) |
2E8h (COM4:) |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
|
3E8h (COM3:) |
3F8h (COM1:) |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
|
3E8h (COM3:) |
2F8h (COM2:) |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 2 & 3 |
|
3E8h (COM3:) |
2E8h (COM4:) |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 1 & 2 |
|
2E8h (COM4:) |
3F8h (COM1:) |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 1 & 2 |
|
2E8h (COM4:) |
2F8h (COM2:) |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 1 & 2 |
|
2E8h (COM4:) |
3E8h (COM3:) |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 2 & 3 |
|
Disabled |
Disabled |
N/A |
N/A |
Open |
Open |
|
SERIAL PORT INTERRUPT SELECTION | |||
|
Port 1 |
Port 2 |
J18 | |
|
IRQ4 |
IRQ3 |
Pins 1 & 2, 3 & 4 closed | |
|
IRQ3 |
IRQ4 |
Pins 1 & 3, 2 & 4 closed | |