DIGI INTERNATIONAL, INC.
DIGICHANNEL PC/4
Card Type | Serial |
Chip Set | Unidentified |
I/O Options | Serial ports (4) |
Data Bus | 8-bit ISA |
CONNECTIONS | |||
Function | Label | Function | Label |
Odd-interrupt daisy chain connector | P2 | Serial ports via DB-78 connector | P4 |
Even-interrupt daisy chain connector | P3 | ||
Note:Standard DB-25 or RJ-45 serial ports are provided on an included adapter cable. See the daisy chain configuration table for more information about P2 and P3. |
USER CONFIGURABLE SETTINGS | |||
Setting | Label | Position | |
» | Port 1 uses interrupt table 1 (odd interrupts) | J1 | Pins 1 & 2 closed |
Port 1 uses interrupt table 2 (even interrupts) | J1 | Pins 2 & 3 closed | |
» | Port 2 uses interrupt table 1 | J2 | Pins 1 & 2 closed |
Port 2 uses interrupt table 2 | J2 | Pins 2 & 3 closed | |
» | Port 3 uses interrupt table 1 | J3 | Pins 1 & 2 closed |
Port 3 uses interrupt table 2 | J3 | Pins 2 & 3 closed | |
» | Port 4 uses interrupt table 1 | J4 | Pins 1 & 2 closed |
Port 4 uses interrupt table 2 | J4 | Pins 2 & 3 closed | |
» | Factory configured - do not alter | SW1/8 | On |
» | Factory configured - do not alter | SW1/9 | On |
» | Port 1 enabled | SW2/8 | On |
Port 1 disabled | SW2/8 | Off | |
» | Port 2 enabled | SW3/8 | On |
Port 2 disabled | SW3/8 | Off | |
» | Port 3 enabled | SW4/8 | On |
Port 3 disabled | SW4/8 | Off | |
» | Port 4 enabled | SW5/8 | On |
Port 4 disabled | SW5/8 | Off |
BOARD NUMBER | ||
Setting | J9 | J10 |
0 | Pins 2 & 3 closed | Pins 2 & 3 closed |
1 | Pins 2 & 3 closed | Pins 1 & 2 closed |
2 | Pins 1 & 2 closed | Pins 2 & 3 closed |
3 | Pins 1 & 2 closed | Pins 1 & 2 closed |
STATUS REGISTER ADDRESS | ||||||||
Setting | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 | SW1/7 | SW1/10 |
000h | On | On | On | On | On | On | On | On |
008h | On | On | On | On | On | On | Off | On |
010h | On | On | On | On | On | Off | On | On |
018h | On | On | On | On | On | Off | Off | On |
020h | On | On | On | On | Off | On | On | On |
3D8h | Off | Off | Off | Off | On | Off | Off | On |
3E0h | Off | Off | Off | Off | Off | On | On | On |
3E8h | Off | Off | Off | Off | Off | On | Off | On |
3F0h | Off | Off | Off | Off | Off | Off | On | On |
3F8h | Off | Off | Off | Off | Off | Off | Off | On |
Disabled | Off | Off | Off | Off | Off | Off | Off | Off |
Note: A total of 128 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/1 is the Most Significant Bit and switch SW1/7 is the Least Significant Bit. The switches have the following decimal values: SW1/1=512, SW1/2=256, SW1/3=128, SW1/4=64, SW1/5=32, SW1/6=16, SW1/7=8. Turn off the switches and add the values of the switches that are off to obtain the correct memory address. (Off=1, On=0) SW1/10 must always be on. |
PORT ADDRESSES | |||||||
Setting | SW2/1 | SW2/2 | SW2/3 | SW2/4 | SW2/5 | SW2/6 | SW2/7 |
000h | On | On | On | On | On | On | On |
008h | On | On | On | On | On | On | Off |
010h | On | On | On | On | On | Off | On |
018h | On | On | On | On | On | Off | Off |
020h | On | On | On | On | Off | On | On |
3D8h | Off | Off | Off | Off | On | Off | Off |
3E0h | Off | Off | Off | Off | Off | On | On |
3E8h | Off | Off | Off | Off | Off | On | Off |
3F0h | Off | Off | Off | Off | Off | Off | On |
3F8h | Off | Off | Off | Off | Off | Off | Off |
Note:The function of switches SW3-SW5 are identical to the function of SW2. The function of SW2 is to configure port 1. The functions of switches SW3 through SW5 are to configure ports 2 through 4 respectively. A total of 128 base address settings are available. The switches are a binary representation of the decimal memory addresses. SWx/1 is the Most Significant Bit and switch SWx/7 is the Least Significant Bit. The switches have the following decimal values: SWx/1=512, SWx/2=256, SWx/3=128, SWx/4=64, SWx/5=32, SWx/6=16, SWx/7=8. Turn off the switches and add the values of the switches that are off to obtain the correct memory address. (Off=1, On=0) |
INTERRUPT (TABLE 1) | ||||||
Setting | J85 | J86 | J87 | J88 | J89 | J90 |
IRQ3 | Closed | Open | Open | Open | Open | Open |
IRQ5 | Open | Closed | Open | Open | Open | Open |
IRQ7 | Open | Open | Closed | Open | Open | Open |
Disabled | Open | Open | Open | Open | Open | Open |
INTERRUPT (TABLE 2) | ||||||
Setting | J85 | J86 | J87 | J88 | J89 | J90 |
IRQ2 | Open | Open | Open | Open | Open | Closed |
IRQ4 | Open | Open | Open | Open | Closed | Open |
IRQ6 | Open | Open | Open | Closed | Open | Open |
Disabled | Open | Open | Open | Open | Open | Open |
DAISY CHAIN CONFIGURATION | ||
Setting | P2 | P3 |
No daisy chain | Pins 2 & 3 closed | Pins 2 & 3 closed |
Board is set to odd interrupt | Connected to P2 on next board | Pins 2 & 3 closed |
Board is set to even interrupt | Pins 2 & 3 closed | Connected to P3 on next board |
Note:When using the daisy-chain connectors, the board may only use one interrupt. Up to four boards may be daisy-chained. Daisy-chaining boards to operate as one unit will only function under MS-DOS and compatible operating systems. |