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Intel P II Xeon
  Intel Pentium II Xeon 400 MHz / 512 KB
  Intel Pentium II Xeon 400 MHz / 1MB
  Intel Pentium II Xeon 450 MHz / 1MB
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The Intel Pentium II Xeon Processor
The Pentium II Xeon was introduced in June 1998 as Intel's new line of server and workstation processors. The PII Xeon core, manufactured in a .25 micron process, is not much different from the Pentium II's core. It added multiprocessing support for quad CPU systems and even 8 CPUs in one system and a few enhancements, such as support for more than 4GB of memory. The biggest difference in both performance and architecture comes from the PII Xeon’s L2-cache, at 512KB, 1 or even 2 MB and running at full clockspeed, while the Pentium II was only offered with a 512KB L2 cache running at half CPU clockspeed.
 
The PII Xeon also introduced Intel's biggest processor module so far (about twice the size of a Pentium II cartridge) to include the CPU core and up to four 512KB L2 cache chips.
 
References:  Intel Technical Documents  Tom's Hardware Guide  Xeon at Wikipedia   Pictures and Info at geek.com
Intel Pentium II Xeon 400 MHz / 512 KB
Intel Pentium II Xeon 400 MHz / 512 KB Top Side Pentium II Xeon
BX80523KX400512SL2RH
Intel Pentium II Xeon 400 MHz / 512 KB Top Side Intel Pentium II Xeon 400 MHz / 512 KB Back Side
The first Xeon processor was released on June 29, 1998 as the Pentium II Xeon as the replacement of the Pentium Pro. The Pentium II Xeon used either a 440GX (a dual-processor workstation chipset) or 450NX (quad-processor, or oct with additional logic) chipset, and differed from its forerunner in that it had a full-speed, off-die L2 cache. Cache sizes are 512 KB, 1 MB and 2 MB, and it uses a 100 MHz bus.

This processor is still shrink-wrapped in its original box.
 
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Core Frequency:400 MHz
Board Frequency:100 MHz
Clock Multiplier:4.0
Data bus (ext.):64 Bit
Address bus:36 Bit
Transistors:7,500,000
Circuit Size:0.25
Voltage:2.0 V
Introduced:June 29, 1998
L1 Cache:16+16 KB
L2 Cache:512 KB
CPU Code:Drake
Intel S-Spec: SL2RH
Package Type:Plastic
SECC
Socket: Slot 2
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Intel Pentium II Xeon 400 MHz / 1MB
Intel Pentium II Xeon 400 MHz / 1MB Top Side Pentium II Xeon
400/100/1M S2
18490339-0100 PHILIPPINES
i(m)(c) '94'97 S L34J
Intel Pentium II Xeon 400 MHz / 1MB Top Side
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Core Frequency:400 MHz
Board Frequency:100 MHz
Clock Multiplier:4.0
Data bus (ext.):64 Bit
Address bus:36 Bit
Transistors:7,500,000
Circuit Size:0.25
Voltage:2.0 V
Introduced:June 29, 1998
Manufactured:week 49/1998
Made in:Philippines
L1 Cache:16+16 KB
L2 Cache:1024 KB
CPU Code:Drake
Intel S-Spec: SL34J
Package Type:Plastic
SECC
Socket: Slot 2
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Intel Pentium II Xeon 450 MHz / 1MB
Intel Pentium II Xeon 450 MHz / 1MB Top Side
Pentium II Xeon
BX80523KX4501MSL33U
Intel Pentium II Xeon 450 MHz / 1MB Back Side
Pentium II Xeon (Drake): A Pentium II with full-speed L2 cache.
 
This processor is still shrink-wrapped in its original box.
 
add comment
Core Frequency:450 MHz
Board Frequency:100 MHz
Clock Multiplier:4.5
Data bus (ext.):64 Bit
Address bus:36 Bit
Transistors:7,500,000
Circuit Size:0.25
Voltage:2.0 V
Introduced:October 6, 1998
L1 Cache:16+16 KB
L2 Cache:1024 KB
CPU Code:Drake
Intel S-Spec: SL33U
Package Type:Plastic
SECC
Socket: Slot 2
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