Tag Archives: intel

debian linuxlite 3.8 (ubuntu 16.x) intel microcode

debian linuxlite 3.8 (ubuntu 16.x) intel microcode

after yoiu have installed this you should see

# journalctl | grep microcode

Feb 19 14:57:18 lili kernel: microcode: 
CPU0 sig=0x40651, pf=0x1, revision=0x1d

Feb 19 14:57:18 lili kernel: microcode: 
Microcode Update Driver: v2.01 <tigran@aivazian.fsnet.co.uk>, 
Peter Oruba

microcode – everything you ever wanted to know

microcode – everything you ever wanted to know

you need forget everything you thought you knew about microcode was in the old Z80 days

run cat /proc/cpuinfo to see what cpu chip & microcode version you have

$ cat /proc/cpuinfo 
vendor_id : GenuineIntel
cpu family : 6
model : 69
model name : Intel(R) Core(TM) i5-4310U CPU @ 2.00GHz
microcode : 0x1d
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr 
pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall 
nx pdpe1gb rdtscp lm constant_tsc arch_perfmon nopl xtopology 
tsc_reliable nonstop_tsc eagerfpu pni pclmulqdq ssse3 fma cx16 
pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes 
xsave avx f16c rdrand hypervisor lahf_lm abm invpcid_single 
retpoline kaiser fsgsbase tsc_adjust bmi1 avx2 smep bmi2 
invpcid xsaveopt arat
bugs : cpu_meltdown spectre_v1 spectre_v2
bogomips : 5202.00


have a look at your logs to see if you have any microcode patches

dmesg | grep "microcode"

journalctl -b -k | grep "microcode"


you need to enable nonfree deb/rpm repos so you get access to microcode packages

deb http://deb.debian.org/debian jessie main contrib non-free
deb http://security.debian.org/ jessie/updates main contrib non-free


then install the microcode package

aptitude update
aptitude install amd64-microcode


check your kernels params and reboot



Unfortunately, the license of the microcode update data from AMD and Intel are not compatible with the Debian Free Software Guidelines.
Therefore, microcode update data will be available through the non-free distribution. The new processor microcode update system is available for both non-free Wheezy and non-free Squeeze (through the backports repository).

Meltdown (the vulnerability affecting only Intel chips) cannot be fixed with microcode updates alone and requires changes to core OS functionality, which may reduce performance further.

Spectre (the vulnerability affecting Intel, AMD and ARM chips) may be able to be worked around with microcode updates alone.

DDR2 and DDR3 memory is now available in 3 types (@amd, @intel and dualmode)

DDR2 and DDR3 memory for desktops and notebooks is now available in 3 types (@amd, @intel and dualmode)

  • Intel DDR2/3 are 10bit with 8K blocks (DO NOT WORK WITH AMD HW)
  • AMD DDR2/3 are 11bit with 16K blocks (DO NOT WORK WITH INTEL HW)
  • Dual Mode should work with both AMD HW and Intel HW


RMS talks about #freedom and @intel and others

RMS talks about #freedom and @intel and others

The Intel Management Engine with its proprietary firmware has complete access to and control over the PC: it can power on or shut down the PC, read all open files, examine all running applications, track all keys pressed and mouse movements, and even capture or display images on the screen. And it has a network interface that is demonstrably insecure, which can allow an attacker on the network to inject rootkits that completely compromise the PC and can report to the attacker all activities performed on the PC. It is a threat to freedom, security, and privacy that can’t be ignored.


cpu comparisons from @cpuboss, @cpu-world and @specout

cpu comparisons from @cpuboss, @cpu-world and @specout


hp & lenovo and #amd & #intel #memory bus nightmares


lost a few hours yesterday to some hp & lenovo and amd & intel memory bus nightmares started when i tried swapping DDR3 / PC3 / PC3L ram between an HP and two LENOVO notebooks

  • HP 255 G2 with AMD A4 memory bus FIXED at 1600Mhz
  • Lenovo T410 with Core i5 memory bus ONLY works at 1333Mhz
  • Lenovo Z50 with AMD FX7500 memory bus FIXED at 800Mhz

Basically the T41o refused to work with any of the other memory whereas i thought DDR3 ram was downwards compatible.

Actually just looking at my photos maybe PC3L is not downwards compatible with PC3 ?

nooo can it be true that some @Intel® Core™ i7 are Dual Core and some are Quad Core

nooo can it be true that some Intel® Core™ i7 are Dual Core and some are Quad Core

Intel® Core™ i7 620M Dual Core

Intel® Core™ i7 840QM Quad Core