Dell Inspiron 1120 Contents: Mini PCI Type 3B Data Fax Modem by 3Com User's Gu - Page 12

S25 DTR debounce time indicator (1/100 0-255 5 second) S27 Bitmapped register. - 0 1 = V.21 mode 2 = Disable TCM 4 = Disable V.32 8 = Disable 21Hz 16 = Enable V.23 fallback 32 = Disable V.32bis 128 = Software compatibility mode S28 V.32 Handshake Time (1/10 second) 0-255 8 S29 V.21 Answer Mode Fallback Timer 0-255 20 S32 Connection bitmapped operations. - 2 1 = V.8 call indicate enable 2 = Enable V.8 mode* 8 = Disable V.34 modulation 16 = Disable V.34+ modulation 32 = Disable x2 modulation* 64 = Disable V.90 modulation * Be sure to enable 2.8 mode when disabling X2 S33 V.34 and V.34+ connection setup - 32 bitmapped control flags. 1 = Disable 24 symbol rate 2 = Disable 2743 symbol rate 4 = Disable 28 symbol rate 8 = Disable 3 symbol rate 16 = Disable 32 symbol rate 32 = Disable 3429 symbol rate 128 = Disable shaping S34 V.34 and V.34+ connection setup - 0 bitmapped control flags 16 = Disable nonlinear coding 32 = Disable transmit level deviation 64 = Disable preemphasis 128 = Disable precoding