Datasheet

Intel
®
Pentium
®
4 Processor in the 423-pin Package
48
4.5 Processor Markings
The following section details the processor top-side laser markings and is provided to aid in the
identification of the Pentium 4 processor. Specific details regarding individual fields in the product
markings will be provided in a future release of the EMTS.
NOTES:
1. All characters will be in upper case.
4.6 Processor Pin-Out Coordinates
Figure 22 details the coordinates of the 423 processor pins as viewed from the bottom of the
package.
Table 29. Processor Material Properties
Component Material Notes
Integrated Heat Spreader Nickel over copper
Interposer FR4
Interposer pins Gold over nickel
Figure 21. Processor Markings
1.5GHz/256/400/1.7V
SL4SH MALAY
1234567
8
-1272
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1.5GHz/256/400/1.7V
SYYYY XXXXXX
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Frequency/Cache/Bus/Voltage
S-Spec/Country of Assy
2-D Matrix Mark
FPO - Serial #