Intel 536EX manual Intel Confidential, AT Command Summary Tables, S-RegisterSummary Continued

AT Command Summary Tables

Table 13. S-Register Summary (Continued)

Note	Register	Function	Default	Range	Units	Reported by &Vn
	S16	Modem test options	0	–	–	no
*	S18	Modem test timer	0	0–255	second	yes
*	S21	Bit-mapped options	48	–	–	no
*	S22	Bit-mapped options	118	–	–	no
*	S25	Detect DTR change	5	0–255	0.01 second	yes
*	S30	Disconnect inactivity timer	0	0–255	minute	yes
*	S33	Sleep mode timer	10	0–90	second	yes

* Value saved in NVRAM.

536EX Chipset Developer’s Manual 25

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