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<TITLE>Int 2F/AX=1684h/BX=304Ch
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Int 2F/AX=1684h/BX=304Ch - Intel Plug-and-Play - CONFIGURATION ACCESS - GET ENTRY POINT -
AX = 1684h
BX = 304Ch (ID for Configuration Access) (see #02642)
ES:DI = 0000h:0000h
Return: ES:DI - API entry point (see #02700)
0000h:0000h if Configuration Access not loaded
Note: this API is often provided by a DOS device driver, in which case it
is available whether or not MSWindows is running
Index: installation check;Plug-and-Play Configuration Access
SeeAlso: AX=1684h/BX=0034h
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<h2>Int 2F/AX=1684h/BX=304Ch
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<h3><font color=#C00040>Intel Plug-and-Play - CONFIGURATION ACCESS - GET ENTRY POINT</font></h3>
<PRE>
AX = 1684h
BX = 304Ch (ID for Configuration Access) <a href="rb-4534.htm#Table2642" tppabs="http://www.ctyme.com/intr/rb-4534.htm#Table2642">(see #02642)</a>
ES:DI = 0000h:0000h<br>
<p><b>Return:</b><br>ES:DI -> API entry point (see #02700)
0000h:0000h if Configuration Access not loaded
</PRE>
<p><b>Note:</b>
This API is often provided by a DOS device driver, in which case it
is available whether or not MSWindows is running
<PRE>
<p><b>Index:</b><br>Installation check;Plug-and-Play Configuration Access
</PRE>
<p><b>See Also:</b>
<a href="rb-4562.htm" tppabs="http://www.ctyme.com/intr/rb-4562.htm">AX=1684h/BX=0034h</a>
<PRE>
<p>
<a name=table2700></a>
(Table 02700)
Call Plug-and-Play Configuration Access entry point with:.
AX = function
0000h "CA_GetVersion"
<p><b>Return:</b><br>AX = BCD version (AH = major, AL = minor)
0001h "CA_PCI_Read_Config_Byte" (see also INT 1A/AX=B108h).
!!!
0002h "CA_PCI_Read_Config_Word" (see also INT 1A/AX=B109h)
0003h "CA_PCI_Read_Config_DWord" (see also INT 1A/AX=B10Ah)
0004h "CA_PCI_Write_Config_Byte" (see also INT 1A/AX=B10Bh)
0005h "CA_PCI_Write_Config_Word" (see also INT 1A/AX=B10Ch)
0006h "CA_PCI_Write_Config_DWord" (see also INT 1A/AX=B10Dh)
0007h "CA_PCI_Generate_Special_Cycle" (see also INT 1A/AX=B106h)
0008h "CA_PCI_Get_Routing_Options" (see also INT 1A/AX=B10Eh)
0009h invalid function
000Ah invalid function
000Bh "CA_PnPISA_Get_Info"
000Ch "CA_PnPISA_Read_Config_Byte"
000Dh "CA_PnPISA_Write_Config_Byte"
000Eh "CA_PnPISA_Get_Resource_Data"
000Fh invalid function
0010h "CA_EISA_Get_Board_ID"
0011h "CA_EISA_Get_Slot_Config"
0012h "CA_EISA_Get_SlotFunc_Config"
0013h "CA_EISA_Clear_NVRAM_Config"
0014h "CA_EISA_Write_Config"
0015h invalid function
0016h "CA_ESCD_Get_Info"
0017h "CA_ESCD_Read_Config"
0018h "CA_ESCD_Write_Config"
0019h invalid function
001Ah "CA_Acfg_PCI_Manage_IRQs"
DL = IRQ???
ES:DI -> ???
<p><b>Return:</b><br>AX = status
001Bh "CA_Acfg_PCI_Get_Routing_Options"
ES:DI -> IRQ routing table header
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<p><b>Return:</b><br>AX = status
001Ch-001Fh invalid functions
0020h "CA_PnPB_Get_Num_Sys_Dev_Nodes"
0021h "CA_PnPB_Get_Sys_Dev_Node"
0022h "CA_PnPB_Set_Sys_Dev_Node"
0023h "CA_PnPB_Get_Stat_Res_Info"
0024h "CA_PnPB_Set_Stat_Res_Info"<br>
<p><b>Return:</b><br>AX = FFFFh if unsupported function
</PRE>
<p><b>See Also:</b>
#02701
<p>
<b>Category: <a href="cat-029.htm" tppabs="http://www.ctyme.com/intr/cat-029.htm">
Non-Volatile Config Storage</a>
- <a href="int-2f-1.htm" tppabs="http://www.ctyme.com/intr/int-2F.htm">
Int 2Fh</a>
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