536EX Chipset Developer’s Manual 25
Intel Confidential
AT Command Summary Tables
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
Table 13. S-Register Summary (Continued)
Note Register Function Default Range Units Reported by &Vn
* Value saved in NVRAM.