Intel 537EX Intel Confidential, Data Mode AT COMMANDS, Sn=x, 536EX Chipset Developer’s Manual

Data Mode AT COMMANDS

Table 18. Data Mode Command Descriptions (Continued)

Command	Default		Description
		Identification/Checksum Option: This command causes the modem to send product code and
		hardware setup information to the DTE.
		n = 0*	ROM Checksum
		n = 1	Modem name
		n = 2	Manufacturer
		n = 3	Chipset
		n = 4	Firmware version
In	0	n = 5	Modem chip hardware configuration
		n = 6	DSP patch level
		n = 12	Country code
		n = 7–11,	Reserved
		13, 14,
		20–25
		Example:
			ATI2
			Intel Corporation
			OK
		Speaker Volume Control: This command selects the modem’s speaker volume.
		n = 0	Low speaker volume
Ln	2	n = 1*	Low speaker volume
		n = 2	Medium speaker volume
		n = 3	High speaker volume
		Speaker Control: This command specifies when the speaker is turned on and off.
		n = 0	Speaker always off
Mn	1	n = 1*	Speaker on until carrier present
		n = 2	Speaker always on
		n = 3	Speaker off during dialing, and on until carrier
		Go Online: This command causes the modem to return back to online data mode from online command
		mode.
On	0	n = 0*	Returns the modem to data mode
		n = 1	Begins an equalizer retrain sequence; then returns to data mode
		n = 3	Renegotiates rate and then returns to data mode
P	none	Select Pulse Dialing: This command configures the modem to use pulse dialing next time the modem
		dials a telephone number.
		Result Code Display Control: This command selects whether the modem sends result codes to the
Qn	0	DTE.
		n = 0*	Result codes enabled
		n = 1	Result codes disabled
Sn	none	Select an S-Register:This command selects the current S-register.
		n = 0–33
		Write to an S-Register:This command writes a decimal number ‘x’ to S-register ‘n’.
Sn=x	none	n = 0–33
		x = 0–255
Sn?	none	Read an S-Register:This command is used to read a decimal number from S-register ‘n’.
		n = 0–33
NOTE: An asterisk (*) denotes the factory-default setting.

42 536EX Chipset Developer’s Manual

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