IBM CORPORATION INTERNAL MODEM 1200 (6487084) Card Type Modem (asynchronous) Chip Set Unidentified Maximum Data Rate 1200bps Data Bus 8-bit ISA Data Modulation Protocol Bell 103 [Image] CONNECTIONS Function Label Function Label Line out CN1 Speaker adapter CN3 connection Line in CN2 SERIAL PORT ADDRESS Setting E1 E2 COM1 (3F8h) Pins 1 & 2 closed Pins 1 & 2 closed COM2 (2F8h) Pins 2 & 3 closed Pins 2 & 3 closed MISCELLANEOUS TECHNICAL NOTES Note: See V2029 for IBM command set, AT Command set is not available