COMPUTER PERIPHERALS, INC.
VIVA 9642 INTERNAL
Modem Type | Data (synchronous/asynchronous) |
Maximum Data Rate | 9600bps |
Data Bus | 8-bit ISA |
Data Modulation Protocol | Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.23, V.32 |
Error Correction/Compression | MNP5, V.42, V.42bis |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Line out | CN1 | Line in | CN2 |
BASE I/O ADDRESS SELECTION | ||||
Port | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
COM1: (3F8h) | On | Off | Off | Off |
COM2: (2F8h) | Off | On | Off | Off |
COM3: (3E8h) | Off | Off | On | Off |
| » COM4: (2E8h) | Off | Off | Off | On |
INTERRUPT SELECTION | ||||
IRQ | JP1/A | JP1/B | JP1/C | JP1/D |
2 | Open | Open | Open | Closed |
| » 3 | Closed | Open | Open | Open |
4 | Open | Closed | Open | Open |
5 | Open | Open | Closed | Open |
Proprietary AT Command Set
See document V1599 for a full command summary.