Intel Pentium 4 Processor 478-Pin Socket (mPGA478) Design Guidelines

Intel® Pentium® 4 Processor 478-Pin Socket (mPGA478)

Proper seating

3.3. Markings

3.3.1. Name

mPGA478

(Font size is 8-14 point Bold, Font type is Helvetica) on all development mPGA478

sockets.

Manufacturer’s insignia (font size at supplier’s discretion).

These marks will be molded or laser marked into the socket housing and must pass Environmental

Requirements of Section 5.3 – Solvent Resistance. Any requests for variation from this marking requires a

written description (detailing size and location) to be provided to Intel for approval.

3.3.2. Mechanical Keying Map and Markings For mPGA478 Sockets

mPGA478X (Font size is 8-14 point Bold, Font type is Helvetica) First X= Pin count second X=

Version. This shall be on all relative products.

(Example – Version C product shall have mPGA478C)

Version Depopulated Pins Name

A A1, A2 mPGA478A

B A1, B1 mPGA478B

C A1, B2 mPGA478C