Guide

Reserved, NC, and Test Signals
R
Intel
®
852GM Chipset Platform Design Guide 233
13. Reserved, NC, and Test Signals
The processor and Intel 852GM GMCH may have signals listed as “RSVD”, “NC”, or other name
whose functionality is Intel reserved. The following section contains recommendations on how these
Intel reserved signals on the processor or GMCH should be handled.
The Mobile Intel Pentium 4 Processor–M has a total of eight NC and nine TESTHI signals that are Intel
reserved in the pin-map. For connection recommendations on the TESTHI signals, refer to the latest
Mobile Intel
®
Pentium
®
4 Processor–M Datasheet. All NC signals must remain unconnected. The
location of the Intel reserved signals in the pin-map is listed in Table 96.
Table 96. Processor “Intel Reserved” Signal Pin-Map Locations
Signal Name Ball Name
NC A22
NC A7
NC AD2
NC AD3
NC AE21
NC AF3
NC AF24
NC AF25
TESTHI0 AD24
TESTHI1 AA2
TESTHI2 AC21
TESTHI3 AC20
TESTHI4 AC24
TESTHI5 AC23
TESTHI8 U6
TESTHI9 W4
TESTHI10 Y3