SEALEVEL SYSTEMS, INC.
SIO-II
Card Type |
Serial card |
Chip Set |
Unidentified |
Maximum Onboard Memory |
Unidentified |
I/O Options |
Serial port |
Hard Drives supported |
None |
Floppy drives supported |
None |
Data Bus |
8-bit ISA |
Card Size |
Half-length, full-height |
CONNECTIONS | |
Function |
Label |
Serial Port 1 |
CN1 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
RS-485 enabled by RTS |
E2 |
Closed | |
RS-485 always enabled |
E2 |
Open | |
RS-232 with U7 & U11 installed |
E5 |
Pins 2 & 3 closed | |
» |
RS-422/485 with U6 & U7 installed |
E5 |
Pins 2 & 3 closed |
Current Loop with U6 & U7 installed |
E5 |
Pins 1 & 2 closed | |
Note: For the RS-422, the RS-485, and the Current loop, the RS-422/485 driver/receiver pair are installed at U6 and U7. For the RS-232, U6 and U7 must be removed and the RS-232 driver/receiver pair are installed at locations U17 and U11. |
BASE I/O ADDRESS SELECTION PORT 1 | |||||||||
Setting |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 | |
238h |
On |
Off |
Off |
Off |
Off |
Off |
Off |
Off | |
2B8h |
Off |
On |
Off |
Off |
Off |
Off |
Off |
Off | |
338h |
Off |
Off |
On |
Off |
Off |
Off |
Off |
Off | |
3B8h |
Off |
Off |
Off |
On |
Off |
Off |
Off |
Off | |
278h |
Off |
Off |
Off |
Off |
On |
Off |
Off |
Off | |
2F8h |
Off |
Off |
Off |
Off |
Off |
On |
Off |
Off | |
378h |
Off |
Off |
Off |
Off |
Off |
Off |
On |
Off | |
» |
3F8h |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
On |
Disabled |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
SERIAL PORT 1 INTERRUPT SELECTION | ||||
IRQ |
E1/Pins 1 & 2 |
E1/Pins 2 & 3 |
E9 | |
IRQ3 |
Closed |
Closed |
Open | |
» |
IRQ4 |
Open |
Closed |
Open |
IRQ5 |
Open |
Open |
Closed | |
None |
Open |
Open |
Open |