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<TITLE>Int 15/AX=53B0h/BH=01h
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Int 15/AX=53B0h/BH=01h - Intel System Management Bus - INSTALLATION CHECK -
AX = 53B0h
BH = 01h
BL = 72h ('r')
CX = 6164h ('ad')
Return: CF clear if installed
AH = SMBus BIOS Interface Specification major version (01h)
AL = SMBus BIOS Interface Specification minor version (00h)
BL = number of SMBus devices present
CX = 6941h ('iA')
DX = vendor-specified SMBus hardware code
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<h2>Int 15/AX=53B0h/BH=01h
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<h3><font color=#C00040>Intel System Management Bus - INSTALLATION CHECK</font></h3>
<PRE>
AX = 53B0h
BH = 01h
BL = 72h ('r')
CX = 6164h ('ad')<br>
<p><b>Return:</b><br>CF clear if installed
AH = SMBus BIOS Interface Specification major version (01h)
AL = SMBus BIOS Interface Specification minor version (00h)
BL = number of SMBus devices present
CX = 6941h ('iA')
DX = vendor-specified SMBus hardware code
0000h means undefined hardware type
CF set if error
AH = Error code 0Ah, 86h <a href="rb-1437.htm#Table484" tppabs="http://www.ctyme.com/intr/rb-1437.htm#Table484">(see #00484)</a>
</PRE>
<p><b>Note:</b>
This function is only supported in INT 15h mode
<p><b>See Also:</b>
<a href="rb-1438.htm" tppabs="http://www.ctyme.com/intr/rb-1438.htm">AX=53B0h/BH=02h</a> - <a href="rb-1439.htm" tppabs="http://www.ctyme.com/intr/rb-1439.htm">AX=53B0h/BH=03h</a> - <a href="rb-1440.htm" tppabs="http://www.ctyme.com/intr/rb-1440.htm">AX=53B0h/BH=04h</a> - <a href="javascript:if(confirm('http://www.ctyme.com/intr/rb-14 \n\nThis file was not retrieved by Teleport Pro, because the server reports that this file cannot be found. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/intr/rb-14'" tppabs="http://www.ctyme.com/intr/rb-14"
<p><b>See Also:</b>
#01105 at INT 1A/AX=B10Ah/SF=8086h
<PRE>
<p>
<a name=table484></a>
(Table 00484)
Values for Intel System Management Bus error codes:
00h SMBus OK
01h SMBus connect failed
02h SMBus already connected (see also #00485)
03h SMBus disconnect failed
04h SMBus not connected
05h SMBus INT 15 interface disabled
06h SMBus device address request out of range
07h SMBus unknown failure
08h SMBus message list empty
09h SMBus message list overflow
0Ah SMBus invalid signature
10h SMBus device address not acknowledged
11h SMBus device error detected
12h SMBus device command access denied
13h SMBus unknown error
14h SMBus transaction pending
15h SMBus no transaction pending
16h SMBus request does not match pending transaction
17h SMBus device access denied
18h SMBus timeout
19h SMBus protocol not supported
1Ah SMBus busy
1Bh SMBus SMI detected
80h SMBus OK (previously unreported SMI occurred)
86h SMBus not supported
<p>
<a name=table485></a>
(Table 00485)
Values for Intel System Management Bus Already Connected sub-error codes:
01h real mode connect already established
02h 16-bit PMode connect already established
03h 32-bit PMode connect already established
</PRE>
<p><b>See Also:</b>
#00484
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<b>Category: <a href="cat-014.htm" tppabs="http://www.ctyme.com/intr/cat-014.htm">
Expansion Bus Bios</a>
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