ZT5515A-1BW Intel, ZT5515A-1BW Datasheet - Page 53

• Manufacturer Part Number: ZT5515A-1BW
• Manufacturer: Intel

Specifications of ZT5515A-1BW

• Lead Free Status / Rohs Status: Supplier Unconfirmed

9.3.3
Intel
®
NetStructure
How to Find the System Information Structure
The dynamic version of the System Information Structure can be found by searching the BIOS area
(F000:0000h - F000:FFFFh in real mode). The following C function is an example of how to find
the structure.
#
#define
ZiaSysInfo
/*---------------------------------------------------------------
-------
-----------*/
UNIT8 GetSysInfo(void)
{
UINT16 i=0;
UINT8 __far *ptr;
}
It is the application’s responsibility to check and account for the size and version of the structure.
The structure is designed so that any additions or changes will be backwards compatible: additional
fields will be added at the end, so that the rest of the structure has the same organization as the
previous version.
define
*---------------------------------------------------------------
TM
_FP_SEG(ptr) = 0xf000;
_FP_OFF(ptr) = 0;
for (i=0; i<(0xffff-SigSIZE); i++) {
}
return(1);
* GetSysInfo
*
*This function will search the BIOS area(f000h - fffff) for
*the system information structure. The structure starts with
*signature "ZIA INFO. Once it is found, the global structure
*pointer "infoptr" will be loaded to point to the structure.
*
*Input:
*None
*
*Output:
*return 0 if the structure is found
*return 1 if the structure is NOT found
ZT 5515 Compute Processor Board Technical Product Specification
if (strncmp((ptr+i),SIGNATURE,SigSIZE)==0){
}
_FP_SEG(infoptr) = 0xf000;
_FP_OFF(infoptr) = i;
return(0);
SIGNATURE
SigSIZE8
*infoptr;
“ZIA INFO”
System BIOS
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