SEALEVEL SYSTEMS, INC.
DUAL SIO
|
Card Type |
Serial card |
|
Chip Set |
Unidentified |
|
Maximum Onboard Memory |
Unidentified |
|
I/O Options |
Serial ports (2 RS-422 or RS-485) |
|
Hard Drives supported |
None |
|
Floppy drives supported |
None |
|
Data Bus |
8-bit ISA |
|
Card Size |
Half-length, full-height |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
Serial Port 1 |
J1 |
Serial Port 2 |
J2 |
|
USER CONFIGURABLE SETTINGS | ||
|
Function |
Label |
Position |
|
Port 1 enabled |
SW1/8 |
On |
|
Port 1 disabled |
SW1/8 |
Off |
|
Port 2 enabled |
SW2/8 |
On |
|
Port 2 disabled |
SW2/8 |
Off |
|
Port 1 enabled by RTS |
E3 |
Closed |
|
Port 1 always enabled |
E3 |
Open |
|
Port 2 enabled by RTS |
E4 |
Closed |
|
Port 2 always enabled |
E4 |
Open |
|
BASE I/O ADDRESS SELECTION PORT 1 | ||||||||
|
Setting |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 | |
|
280h |
Off |
On |
Off |
On |
On |
On |
On | |
|
2AOh |
Off |
On |
Off |
On |
Off |
On |
On | |
|
2E8h |
Off |
On |
Off |
Off |
Off |
On |
Off | |
|
2F8h |
Off |
On |
Off |
Off |
Off |
Off |
Off | |
|
3E8h |
Off |
Off |
Off |
Off |
Off |
On |
Off | |
|
300h |
Off |
Off |
On |
On |
On |
On |
On | |
|
328h |
Off |
Off |
On |
On |
Off |
On |
Off | |
|
3F8h |
Off |
Off |
Off |
Off |
Off |
Off |
Off | |
|
BASE I/O ADDRESS SELECTION PORT 2 | ||||||||
|
Setting |
SW2/1 |
SW2/2 |
SW2/3 |
SW2/4 |
SW2/5 |
SW2/6 |
SW2/7 | |
|
280h |
Off |
On |
Off |
On |
On |
On |
On | |
|
2A0h |
Off |
On |
Off |
On |
Off |
On |
On | |
|
2E8h |
Off |
On |
Off |
Off |
Off |
On |
Off | |
|
2F8h |
Off |
On |
Off |
Off |
Off |
Off |
Off | |
|
3E8h |
Off |
Off |
Off |
Off |
Off |
On |
Off | |
|
300h |
Off |
Off |
On |
On |
On |
On |
On | |
|
328h |
Off |
Off |
On |
On |
Off |
On |
Off | |
|
3F8h |
Off |
Off |
Off |
Off |
Off |
Off |
Off | |
|
SERIAL PORT 1 INTERRUPT SELECTION | |||||
|
IRQ |
E1/A |
E1/B |
E1/C |
E1/D | |
|
IR/FONT> |
Closed |
Open |
Open |
Open | |
|
IRQ3 |
Open |
Closed |
Open |
Open | |
|
IRQ4 |
Open |
Open |
Closed |
Open | |
|
IRQ5 |
Open |
Open |
Open |
Closed | |
|
SERIAL PORT 2 INTERRUPT SELECTION | |||||
|
IRQ |
E1/A |
E1/B |
E1/C |
E1/D | |
|
IR/FONT> |
Closed |
Open |
Open |
Open | |
|
IRQ3 |
Open |
Closed |
Open |
Open | |
|
IRQ4 |
Open |
Open |
Closed |
Open | |
|
IRQ5 |
Open |
Open |
Open |
Closed | |