Search found 5 matches

by prabhakarpujeri
2019/08/19 15:34:01
Forum: CentOS 7 - Hardware Support
Topic: CentOS 7 reporting 1/6 of total ram installed on system
Replies: 13
Views: 3200

Re: CentOS 7 reporting 1/6 of total ram installed on system

1 please check DIMM population rules https://www.dell.com/downloads/global/products/pedge/en/server-pedge-installing-upgrading-memory-11g.pdf 2. check DIMMs properly inserted 3. check idrac logs if any DIMMs has error 4. observer BIOS POST for any warring it display because of dimm configuration
by prabhakarpujeri
2019/06/12 05:20:34
Forum: CentOS 7 - General Support
Topic: Boot turns into black screen
Replies: 2
Views: 447

Re: Boot turns into black screen

try with nomodeset instead of nouveau.modeset=0
by prabhakarpujeri
2019/05/28 07:17:05
Forum: CentOS 7 - Hardware Support
Topic: how can we reach to CPU max MHz?
Replies: 8
Views: 3172

Re: how can we reach to CPU max MHz?

you can do two things here

1. set power governor to performance

cpupower frequency-set -g performance


2. enable CPU turbo by setting sysfs value

echo 0 > /sys/devices/system/cpu/intel_pstate/no_turbo
by prabhakarpujeri
2019/05/22 06:42:26
Forum: CentOS 7 - General Support
Topic: Grey Screen during Install Of CentOS on VirtualBox
Replies: 7
Views: 1399

Re: Grey Screen during Install Of CentOS on VirtualBox

try with kernel command line parameter nomodeset
by prabhakarpujeri
2019/05/21 15:32:11
Forum: CentOS 7 - General Support
Topic: Need to enable the blocked port
Replies: 1
Views: 354

Re: Need to enable the blocked port

ioperm() and iopl() are blocked system calls in secure boot. only option is to disable secure boot

Go to advanced search