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AMD Mobile Sempron SI-42 - SMSI42SAM12GG

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AMD Mobile Sempron SI-42 specifications

General information
TypeCPU / Microprocessor
Market segmentMobile
FamilyAMD Mobile Sempron
Model number  ? SI-42
CPU part number
  • SMSI42SAM12GG is an OEM/tray microprocessor
Stepping codesNBAUB BA   OBAJB BA   OBALB BA
Frequency  ? 2100 MHz
Bus speed  ? Dual-channel 333 MHz DDR2 SDRAM Memory controller
One 1800 MHz 16-bit HyperTransport link
Clock multiplier  ? 10.5
Package638-pin lidless micro-PGA
1.38" x 1.38" (3.5 cm x 3.5 cm)
AMD Package numbers29882, 30592
SocketSocket S1 (S1g2)
Architecture / Microarchitecture
Processor core  ? Sable
Core stepping  ? B1
Manufacturing process0.065 micron
Data width64 bit
The number of cores1
The number of threads1
Floating Point UnitIntegrated
Level 1 cache size  ? 64 KB instruction cache
64 KB data cache
Level 2 cache size  ? 512 KB
  • MMX instructions
  • 3DNow! technology
  • SSE / Streaming SIMD Extensions
  • SSE2 / Streaming SIMD Extensions 2
  • SSE3 / Streaming SIMD Extensions 3
  • AMD64 / AMD 64-bit technology  ? 
  • EVP / Enhanced Virus Protection  ? 
Low power features
  • Enhanced PowerNow! technology  ? 
  • Independent Dynamic Core technology  ? 
  • Dynamic Power management
  • CoolCore technology  ? 
Integrated peripherals / components
Integrated graphicsNone
Memory controller
  • The number of controllers: 1
    Memory channels: 2
    Supported memory: DDR2
Other peripheralsHyperTransport technology  ? 
Electrical / Thermal parameters
V core  ? 1.075V - 1.125V
Maximum operating temperature  ? 100°C
Thermal Design Power  ? 25 Watt
Notes on AMD Mobile Sempron SI-42
  • Processor runs at 1050 MHz / 0.95 Volt core voltage in the minimum performance state
  • Thermal Design Power in the minimum performance state is 12.8 Watt

Detailed side-by-side comparison

For detailed comparision of the AMD SI-42 and any other other chip from our CPU database type in a chip name and/or its partial specs:

You can specify any of the following: manufacturer name, family name, model number, part number, core name, socket name, operating frequency, bus speed, and the last level cache. Here are examples of searches: SI-42, SMSI42SAM12GG, AMD Mobile Sempron 2.1GHz, Sable Socket S1 (S1g2)


Q: I have an AMD Mobile Sempron SI-42 processor. Is it possible to upgrade it?
A: Probably yes. CPU compatibility is determined by your motherboard. Please check website for CPU support list for your board.

Mobile Sempron SI-42 Overclocking

Sorry, overclocking information is not available at this time.

CPU ID information for the Mobile Sempron SI-42

Our CPUID database contains 9 records for this microprocessor. See all submitted records.

Use our CPU identification tool to check features of your CPU.

NOTE: The CPU ID information below was taken from one CPU and may include features that are not present in all different steppings of the AMD Mobile Sempron SI-42 CPU.

CPU Family:Mobile Sempron
Model Number:SI-42
Frequency:2100 MHz
Part number:
Stepping Code:
Submitted by:
General information
Processor name (BIOS):AMD Sempron(tm) SI-42
Logical processors:1
Processor type:Original OEM Processor
Core stepping:LG-B1
CPUID signature:200F31
Family:17 (011h)
Model: 3 (03h)
Stepping: 1 (01h)

Cache: L1 data L1 instruction L2
Size: 64 KB 64 KB 512 KB
Associativity: 2-way set
2-way set
16-way set
Line size: 64 bytes 64 bytes 64 bytes
Lines per tag: 1 1 1
Instruction set extensionsAdditional instructions
AMD extensions to MMX CMOV
Extensions to 3DNow! CMPXCHG8B
  SKINIT/STGI support
Major featuresOther features
On-chip Floating Point Unit 100MHz multiplier control
64-bit / Intel 64 36-bit page-size extensions
NX bit/XD-bit 64-bit SSE instructions
PowerNow! / Cool'n'Quiet Advanced programmable interrupt controller
  Debugging extensions
  Extended APIC space
  FXSAVE/FXRSTOR optimizations
  Hardware P-state control
  Hardware thermal control
  LAHF/SAHF support in 64-bit mode
  LOCK MOV CR0 means MOV CR8
  Machine check architecture
  Machine check exception
  Memory-type range registers
  Model-specific registers
  OS visible workaround
  Page attribute table
  Page global extension
  Page-size extensions (4MB pages)
  Physical address extensions
  Software thermal control
  TSC rate is ensured to be invariant across all states
  Temperature sensor
  Time stamp counter
  Virtual 8086-mode enhancements

Pictures (1)

2011-07-14 14:15:08
Posted by: Neon

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