Intel confidential – Intel 537EX User Manual
Page 15

536EX Chipset Developer’s Manual
15
Intel Confidential
AT Command Summary Tables
L3
High speaker volume
*
Mn
Speaker control
1
0–3
yes
M0
Speaker always off
M1
Speaker on until carrier present
M2
Speaker always on
M3
Speaker off during dialing; speaker on until
carrier present
On
Go online
0
0, 1, 3
no
O0
Returns modem to Data mode
O1
Retrains equalizer and then returns to Data
mode
O3
Renegotiates rate and then returns to Data
mode
*
P
Select pulse dialing
none
–
yes
*
Qn
Result code display control
0
0, 1
yes
Q0
Enables result codes
Q1
Disables result codes
Sn
Select an S-register
none
0–33
no
Sn=x
Write to an S-register
none
n = 0–33
x = 0–255
no
Sn?
Read from an S-register
none
0–33
no
*
T
Select tone dialing
none
–
no
*
Vn
Result code form
1
0, 1
yes
V0
Choose numeric form
V1
Choose verbose (text) form
*
Wn
Response code data rate
0
0–4
yes
W0, W1
DTE data rate
W2
Modulation, DCE TX rate
W3
Modulation, DCE TX rate, Error Correction,
Compression and DTE data rate
W4
Modulation, DCE TX rate, Error Correction,
Compression
Table 5. Data Mode Command Summary (Continued)
Note
Command
Function
Default
Range
Reported
by &Vn
*
Value saved in NVRAM.
**
Command not preceded by an ‘AT.’