DIGI INTERNATIONAL, INC.
COM/4I, COM/8I
|
Card Type |
Serial |
|
Processor |
80C186 |
|
Processor Speed |
10MHz |
|
Chipset |
Unidentified |
|
Maximum Onboard Memory |
256KB RAM |
|
I/O Options |
Serial ports (4 for COM/4i, 8 for COM/8i) |
|
Data Bus |
8/16 bit ISA |
|
Card Size |
Full height, full length |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
Header to daughterboard H1B |
H1A |
Header to main board H2A (on back of card) |
H2B |
|
Header to main board H1A (on back of card) |
H1B |
RS-232, RS-422, or RS-485 serial ports via DB-78 connector |
P1 |
|
Header to daughterboard H2B |
H2A | ||
|
Note:Standard serial ports are provided on an external expansion box. The types of serial ports provided are configured at the factory and are not user-configurable. | |||
|
USER CONFIGURABLE SETTINGS | |||
|
Setting |
Label |
Position | |
|
Factory configured - do not alter |
J17 |
Pins 2 & 3 closed | |
|
BASE I/O ADDRESS SELECTION | |||
|
Setting |
J2 |
J3 |
J4 |
|
100h |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
110h |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
120h |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
200h |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
220h |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
300h |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
320h |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
INTERRUPT SELECTION | ||||||
|
Setting |
J5 |
J6 |
J7 |
J8 |
J9 | |
|
2/9 |
Open |
Open |
Open |
Open |
Open | |
|
3 |
Open |
Open |
Open |
Open |
Open | |
|
4 |
Open |
Open |
Open |
Open |
Open | |
|
5 |
Open |
Open |
Open |
Open |
Open | |
|
6 |
Open |
Open |
Open |
Open |
Open | |
|
7 |
Open |
Open |
Open |
Open |
Closed | |
|
10 |
Open |
Open |
Open |
Closed |
Open | |
|
11 |
Open |
Open |
Closed |
Open |
Open | |
|
12 |
Open |
Closed |
Open |
Open |
Open | |
|
15 |
Closed |
Open |
Open |
Open |
Open | |
|
Disabled |
Open |
Open |
Open |
Open |
Open | |
|
INTERRUPT SELECTION (CON'T) | ||||||
|
Setting |
J10 |
J11 |
J12 |
J13 |
J14 | |
|
2/9 |
Open |
Open |
Open |
Open |
Closed | |
|
3 |
Open |
Open |
Open |
Closed |
Open | |
|
4 |
Open |
Open |
Closed |
Open |
Open | |
|
5 |
Open |
Closed |
Open |
Open |
Open | |
|
6 |
Closed |
Open |
Open |
Open |
Open | |
|
7 |
Open |
Open |
Open |
Open |
Open | |
|
10 |
Open |
Open |
Open |
Open |
Open | |
|
11 |
Open |
Open |
Open |
Open |
Open | |
|
12 |
Open |
Open |
Open |
Open |
Open | |
|
15 |
Open |
Open |
Open |
Open |
Open | |
|
Disabled |
Open |
Open |
Open |
Open |
Open | |
|
SHARED MEMORY ADDRESS SELECTION | ||
|
Setting |
J15 |
J16 |
|
0C0000h |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
0C8000h |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
0D0000h |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
0D8000h |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
EPROM SIZE SELECTION | |||
|
Setting |
JP1 |
JP2 | |
|
8KB |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
|
16KB |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
|
32KB |
Pins 1 & 2 closed |
Pins 2 & 3 closed | |
|
64KB |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |