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.