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NEC VR12000
  NEC D30710RS-300 VR12000
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The NEC / MIPS R12000 Processor
The R12000, released in 1998, is an enhanced R10000 and used an improved process to shrink the chip and run it at higher clock rates. It was used in NEC supercomputers and several SGI machines like the O2, Octane 2, Onyx 2 and later Origin.
 
References:  RISC Fights Back with the MIPS R12000  R12000 at SGIstuff  NEC VR12000 launch
NEC D30710RS-300 VR12000
NEC D30710RS-300 VR12000 Top Side
NEC JAPAN
D30710RS-300
VR12000
9926E9959R2.3
NEC D30710RS-300 VR12000 Back Side
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Core Frequency:300 MHz
Board Frequency:100 MHz
Clock Multiplier:3.0
Data bus (ext.):64 Bit
Address bus:64 Bit
Transistors:6,900,000
Circuit Size:0.25
Introduced:11/1998
Manufactured:week 26/1999
Made in:Japan
L1 Cache:32+32 KB
L2 Cache:8 MB ext.
Package Type:Ceramic
Goldcap
LGA-599
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