Intel 815 - Manual (Page 35)

Universal Socket 370 Design
R
Intel
®
815 Chipset Platform Design Guide 35
Figure 11. Processor Identification Strap on GMCH
10 K Ω
TUAL5
SMAA[12]
Proc_ID_Strap
Table 5 provides the logic decoding to determine which processor is installed in a PGA370 design.
Table 5. Determining the Installed Processor via Hardware Mechanisms
Processor
Pin AF36
CPUPRES# Notes
Hi-Z 0 Future 0.13 micron socket 370 processor installed.
Low 0 Intel ® Pentium ® III processor (CPUID=068xh) or Intel ® Celeron™
processor (CPUID=068xh) installed.
X 1 No processor installed.