- Joined
- Apr 1, 2002
http://developer.intel.com/design/pcn/Processors/D0105761.pdf
To sum up:
Intel® Pentium® D Processors 920, 930, 940 and 950 will undergo the following changes for the B-1 to C-1 processor stepping conversion:
• CPUID will change from F62 to F64
• C-1 is pin compatible with B-1
• New S-specs for converting products
• The advanced power management features Enhanced HALT State and Enhanced Intel SpeedStep® Technology will be enabled
• The Pentium D Processor 940 change from the 2005 Performance FMB (130W) to the 2005 Mainstream FMB (95W)
930:
B1 - SL94R
C1 - SL95X
940
B1 - SL94Q
C1 - SL95W
950
B1 - SL94P
C1 - SL95V
To sum up:
Intel® Pentium® D Processors 920, 930, 940 and 950 will undergo the following changes for the B-1 to C-1 processor stepping conversion:
• CPUID will change from F62 to F64
• C-1 is pin compatible with B-1
• New S-specs for converting products
• The advanced power management features Enhanced HALT State and Enhanced Intel SpeedStep® Technology will be enabled
• The Pentium D Processor 940 change from the 2005 Performance FMB (130W) to the 2005 Mainstream FMB (95W)
930:
B1 - SL94R
C1 - SL95X
940
B1 - SL94Q
C1 - SL95W
950
B1 - SL94P
C1 - SL95V