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Configuration of the PIII SpeedStep of a Toshiba Portege 3480 (sarge)

Hello, i need some assistance for the correct configuration of the frequency of my laptop. I don't know what information could be usefull so i send you the content of /proc/cpuinfo and the result of lspci and cpuid (if you need some other information could you explain me where i can find them). Any help will be very appreciated !

My CPU is an Intel PIII Coppermine 600 Mhz


processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 8
model name	: Pentium III (Coppermine)
stepping	: 3
cpu MHz		: 500.137
cache size	: 256 KB
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 2
wp		: yes
flags : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pat pse36 mmx fxsr sse
bogomips	: 987.13

lspci :

0000:00:00.0 Host bridge: Intel Corp. 82440MX Host Bridge (rev 01)
0000:00:00.1 Multimedia audio controller: Intel Corp. 82440MX AC'97 Audio Controller 0000:00:02.0 Communication controller: Lucent Microelectronics 56k WinModem (rev 01) 0000:00:04.0 VGA compatible controller: S3 Inc. 86C270-294 Savage/IX- MV (rev 11)
0000:00:07.0 Bridge: Intel Corp. 82440MX ISA Bridge (rev 01)
0000:00:07.1 IDE interface: Intel Corp. 82440MX EIDE Controller
0000:00:07.2 USB Controller: Intel Corp. 82440MX USB Universal Host Controller
0000:00:07.3 Bridge: Intel Corp. 82440MX Power Management Controller
0000:00:09.0 IRDA controller: Toshiba America Info Systems FIR Port Type-DO 0000:00:0b.0 CardBus bridge: Toshiba America Info Systems ToPIC95 PCI to Cardbus Bridge with ZV Support (rev 20) 0000:00:0b.1 CardBus bridge: Toshiba America Info Systems ToPIC95 PCI to Cardbus Bridge with ZV Support (rev 20) 0000:05:00.0 Network controller: Intersil Corporation Intersil ISL3890 [Prism GT/Prism Duette] (rev 01)

cpuid :

eax in    eax      ebx      ecx      edx
00000000 00000002 756e6547 6c65746e 49656e69
00000001 00000683 00000002 00000000 0383f9ff
00000002 03020101 00000000 00000000 0c040882

Vendor ID: "GenuineIntel"; CPUID level 2

Intel-specific functions:
Version 00000683:
Type 0 - Original OEM
Family 6 - Pentium Pro
Model 8 - Pentium III/Pentium III Xeon - internal L2 cache
Stepping 3
Reserved 0

Brand index: 2 [Pentium III processor]

Feature flags 0383f9ff:
FPU    Floating Point Unit
VME    Virtual 8086 Mode Enhancements
DE     Debugging Extensions
PSE    Page Size Extensions
TSC    Time Stamp Counter
MSR    Model Specific Registers
PAE    Physical Address Extension
MCE    Machine Check Exception
CX8    COMPXCHG8B Instruction
SEP    Fast System Call
MTRR   Memory Type Range Registers
PGE    PTE Global Flag
MCA    Machine Check Architecture
CMOV   Conditional Move and Compare Instructions
FGPAT  Page Attribute Table
PSE-36 36-bit Page Size Extension
MMX    MMX instruction set
FXSR   Fast FP/MMX Streaming SIMD Extensions save/restore
SSE    Streaming SIMD Extensions instruction set

TLB and cache info:
01: Instruction TLB: 4KB pages, 4-way set assoc, 32 entries
02: Instruction TLB: 4MB pages, 4-way set assoc, 2 entries
03: Data TLB: 4KB pages, 4-way set assoc, 64 entries
82: 2nd-level cache: 256KB, 8-way set assoc, 32 byte line size
08: 1st-level instruction cache: 16KB, 4-way set assoc, 32 byte line size
04: Data TLB: 4MB pages, 4-way set assoc, 8 entries
0c: 1st-level data cache: 16KB, 4-way set assoc, 32 byte line size

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