On Wednesday 20 June 2007, Arjan van de Ven wrote:
> > model name : Pentium III (Coppermine)
>
> this appears to be a "non-mobile" CPU, only "Mobile" branded cpus tend
> to have cpufreq/speedstep support...
The BIOS has a setting labelled "Intel Speedstep technology" with settings of
Automatic and Disabled. It's set to Automatic. Sisoft Sandra (on WinXP)
reports that the CPU does support Speedstep.
The output from cpuid is:
CPU 0:
vendor_id = "GenuineIntel"
version information (1/eax):
processor type = primary processor (0)
family = Intel Pentium Pro/II/III/Celeron, AMD Athlon/Duron,
Cyrix M2, VIA C3 (6)
model = 0x8 (8)
stepping id = 0xa (10)
extended family = 0x0 (0)
extended model = 0x0 (0)
(simple synth) = Intel Pentium III / Pentium III Xeon / Celeron /
Mobile Pentium III (Coppermine D0) / Mobile Celeron (Coppermine D0), .18um
miscellaneous (1/ebx):
process local APIC physical ID = 0x0 (0)
cpu count = 0x0 (0)
CLFLUSH line size = 0x0 (0)
brand index = 0x2 (2)
brand id = 0x02 (2): Intel Pentium III, .18um
feature information (1/edx):
x87 FPU on chip = true
virtual-8086 mode enhancement = true
debugging extensions = true
page size extensions = true
time stamp counter = true
RDMSR and WRMSR support = true
physical address extensions = true
machine check exception = true
CMPXCHG8B inst. = true
APIC on chip = false
SYSENTER and SYSEXIT = true
memory type range registers = true
PTE global bit = true
machine check architecture = true
conditional move/compare instruction = true
page attribute table = true
page size extension = true
processor serial number = false
CLFLUSH instruction = false
debug store = false
thermal monitor and clock ctrl = false
MMX Technology = true
FXSAVE/FXRSTOR = true
SSE extensions = true
SSE2 extensions = false
self snoop = false
hyper-threading / multi-core supported = false
therm. monitor = false
IA64 = false
pending break event = false
feature information (1/ecx):
PNI/SSE3: Prescott New Instructions = false
MONITOR/MWAIT = false
CPL-qualified debug store = false
VMX: virtual machine extensions = false
Enhanced Intel SpeedStep Technology = false
thermal monitor 2 = false
context ID: adaptive or shared L1 data = false
cmpxchg16b available = false
send task priority messages = false
cache and TLB information (2):
0x01: instruction TLB: 4K pages, 4-way, 32 entries
0x02: instruction TLB: 4M pages, 4-way, 2 entries
0x03: data TLB: 4K pages, 4-way, 64 entries
0x82: L2 cache: 256K, 8-way, 32 byte lines
0x08: L1 instruction cache: 16K, 4-way, 32 byte lines
0x04: data TLB: 4M pages, 4-way, 8 entries
0x0c: L1 data cache: 16K, 4-way, 32 byte lines
(multi-processing synth): none
(synth) = Intel Pentium III (Coppermine D0), .18um
It doesn't mean much to me I'm afraid.
Chris
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