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Weitek SPARC
  Weitek SPARC 8701
  Weitek SPARC POWER P
  Weitek SPARC FPU 3170 020-GCD
  Weitek SPARC FPU 3170 025-GCD
  Weitek SPARC FPU 3172A 025-GCD
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Weitek SPARC 8701
Weitek SPARC 8701 Top Side
8701-040GCD
D2J 630
9338D
(M) WEITEK
Weitek SPARC 8701 Back Side
8701-D2J
9338D
USA
This is a CPU from a Sun SPARCstation IPX. The IPX were shipped with either this Weitek CPU, a Weitek 8601 or a Fujitsu MB86903.
 
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Core Frequency:40 MHz
Board Frequency:40 MHz
Manufactured:week 38/1993
Made in:USA
Package Type:Ceramic
PGA-207
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Weitek SPARC POWER P
Weitek SPARC POWER P Top Side
SPARC POWER P
2000A-080-GCD N4BL
(M) WEITEK 9444C
Weitek SPARC POWER P Back Side
2000A-N4BL
9444C
USA
Donated by Olaf Bohlen. Thanks a lot!  
This is a 'POWER P' CPU replacement chip for a Sun SPARCstation IPX. It replaces the 40 MHz original IPX processor with a clock doubled 80 MHz version.
 
Taking a page from Intel's OverDrive strategy, Weitek released a clock-doubled upgrade processor for SPARCstation 2 systems in late 1993. The 80 MHz SPARC POWER P chip provides about a 50% increase in performance over systems that use Weitek's W8701 CPU (see above) or Fujitsu's pin-compatible MB86903. Weitek estimated that the installed base of such systems - including Sun's SPARCstation 2 (SS2) and IPX workstations and third-party clones - was over 250,000 units. These users were enabled to purchase upgrade kits for $1500 in single-piece quantities.
 
References:
Benchmarks
 
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Core Frequency:80 MHz
Board Frequency:40 MHz
Clock Multiplier:2.0
Introduced:1993
Manufactured:week 44/1994
Made in:USA
Package Type:Ceramic
PGA-207
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Weitek 3170 020-GCD
Weitek 3170 020-GCD Top Side
3170
020-GCD
H1B
(M) WEITEK '88
Weitek 3170 020-GCD Back Side
3170-H1B
8938
USA
This is an FPU from my Sun SPARCstation 1 (4/60) 'Campus'.
 
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Core Frequency:20 MHz
Board Frequency:20 MHz
Introduced:1988
Manufactured:week 38/1989
Made in:USA
Package Type:Ceramic
PGA-143
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Weitek 3170 025-GCD
Weitek 3170 025-GCD Top Side
3170
025-GCD
E2B
(M) WEITEK '88
Weitek 3170 025-GCD Back Side
3170-E2B
9031Y
USA
A 25 MHz Weitek SPARC FPU for the SPARCstation 1+ 'Campus B' (4/65). The 3170 was used for a short time only and later replaced by a Weitek 3172.
 
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Core Frequency:25 MHz
Board Frequency:25 MHz
Manufactured:week 31/1990
Made in:USA
Package Type:Ceramic
PGA-143
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Weitek 3172A 025-GCD
Weitek 3172A 025-GCD Top Side
3172A
025-GCD
E2B
(M) WEITEK '90
Weitek 3172A 025-GCD Back Side
317XA-E2B
9106G
USA
This is an FPU from a Sun SPARCstation IPC (4/40) 'Phoenix' from 1991.
 
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Core Frequency:25 MHz
Board Frequency:25 MHz
Manufactured:week 06/1991
Made in:USA
Package Type:Ceramic
PGA-143
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