SLBBR (Intel Xeon L5420)

Specifications

General information
Type	CPU / Microprocessor
Family	Intel Xeon
Processor number ?	L5420
Part number	AT80574JJ060N BX80574L5420A BX80574L5420P
Frequency (GHz)	2.5
Bus speed (MHz) ?	1333
Package type	771-land FC-LGA
Socket type	Socket 771 (LGA771)

Architecture / Microarchitecture / Other
CPUID	1067Ah
Core stepping	E0
Qualification sample	QFVZ
Previous stepping	SLARP
Manufacturing technology (micron)	0.045
Number of cores	4
L2 cache size (KB) ?	12288
Features	EM64T technology ? Enhanced SpeedStep technology ? Execute disable bit ? Virtualization technology
Core voltage (V) ?	1.212
Case temperature (°C) ?	57
Thermal Design Power (Watt) ?	50

Notes on sSpec SLBBR
OEM parts are available starting from Oct 6, 2008. Boxed processors are available starting from Aug 29, 2008. Changes in E0 stepping: new XSAVE and XRSTORE instructions, ACNT2 feature used for determining processor utilization, halide-free package.

Last modified: 11 Sep 2011