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News, views and reports on CentOSCentOS Linux 7 32-bit x86 (i386) Architecture Released
Tuesday , 13, October 2015 altarch, announcement, distro, i686 27 CommentsThe Alternative Architecture Special Interest Group (AltArch SIG) is happy to announce the release the x86 32-bit version of CentOS Linux 7. This architecture is also known as i386 or i686. You can get this version of CentOS from the INFO page.
This version of CentOS Linux 7 is for PAE capable 32 bit machines, including x86 based IOT boards similar to the Intel Edison. It joins the 64-bit ARMv8 (aarch64) architecture as a fully released AltArch version.
Work within the AltArch SIG currently continues on the 32-bit ARMv7, 64-bit PPC little-endian, and 64-bit PPC big-endian architectures.
Zdenek Sedlak says: Guys, you made my day brighter! Now I can update my 32b machines running C6.
A really really good job, appreciated!
//Z
a1 says: What about epel-7-i386?
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Johnny Hughes says:
Hopefully Fedora will start building EPEL for CentOS-7 i386 .. but that is not something that the CentOS Project controls.
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Eric says:
Anybody know if epel-7-i386 is available anywhere? Tried to install 64-bit epel 7 and 32-bit epel 6 and they both failed for different reasons.
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stduolc says:
hi, do you find it now? It's 2017.
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Abr4cks says: Congratulations for the work
Fredy says: Thanks, trying to install on VMWare Workstation 12 (both minimal and full) but no network card appears 🙁
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Which network driver is provided for 32-bit guests? You may want to use one of the support venues (forums, mailing list, etc) to get help.
gardenair says: I am happy to know that there is CentOS 7 for 32 bit machines. I want to know that can we use this version on a production environment ?
Dennis Leiterman says: Great!!! Thanks to everyone that made this happen. I am stuck with 32 bit visualization on a few machines and was forced to stay at Centos 6.7. This is very great news. Just built my first 32 bit Centos 7 virtual machine and it works great...thanks again!!!!
makarspb says: Thank you!
Wade Hampton says: Thanks. This gives us a simpler upgrade path to CentOS 7! I also look forward to using it with embedded systems.
Karsten Harder says: I'm having trouble downloading and burning the ISO files. And the sha256 values don't add up. Please help. How about a torrent option?
Nishith says: Reinstalling...
RockyS says: Thank you very much guys!!! 🙂
Chris says: Thank You very very much guys!! Just made my life easier
papitshen says: please help just done installing unfortunately i cannot see my interfaces please helpppppp
digitalfredy says: No ath5k wi-fi support, neither standard or plus kernel:
[root@nb100-lan ~]# uname -r
3.10.0-327.10.1.el7.centos.plus.i686
[root@nb100-lan ~]# modprobe ath5k
modprobe: FATAL: Module ath5k not found.
And please put the repo in the i386 installer, I waste my time using standard repos syntax
Huaqing Zhan says: I installed the CentOS-7-i386-Everything-1511, but when I reboot the system, it is only showing one CPU, the machine is a HP ProLiant DL380 Gen9 server, which has a Intel(R) Xeon(R) CPU E5-2640 v3 @ 2.60GHz processor, and has 8 cores, and hyper-threading is enabled in the BIOS, so the OS should see total of 16 CPUs, but it is only showing one CPU. The following messages are from the /var/log/messages file:
May 19 11:33:12 swcentos7-rte kernel: Linux version 3.10.0-327.el7.i686 (mockbuild@worker1.bsys.centos.org) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-4) (GCC) ) #1 SMP Fri Dec 4 17:52:05 UTC 2015
May 19 11:33:12 swcentos7-rte kernel: smpboot: CPU0: Intel(R) Xeon(R) CPU E5-2640 v3 @ 2.60GHz (fam: 06, model: 3f, stepping:
May 19 11:33:12 swcentos7-rte kernel: Hierarchical RCU implementation.
May 19 11:33:12 swcentos7-rte kernel: #011RCU restricting CPUs from NR_CPUS=32 to nr_cpu_ids=1.
May 19 11:33:12 swcentos7-rte kernel: #011Offload RCU callbacks from all CPUs
May 19 11:33:12 swcentos7-rte kernel: #011Offload RCU callbacks from CPUs: 0-31.
May 19 11:33:12 swcentos7-rte kernel: smpboot: Total of 1 processors activated (5193.97 BogoMIPS)
May 19 11:33:12 swcentos7-rte kernel: NMI watchdog: enabled on all CPUs, permanently consumes one hw-PMU counter.
May 19 11:33:12 swcentos7-rte kernel: ACPI: NR_CPUS/possible_cpus limit of 1 reached. Processor 1/0x1 ignored.
May 19 11:33:12 swcentos7-rte kernel: Unable to map lapic to logical cpu number
May 19 11:33:12 swcentos7-rte kernel: ACPI: NR_CPUS/possible_cpus limit of 1 reached. Processor 2/0x2 ignored.
May 19 11:33:12 swcentos7-rte kernel: Unable to map lapic to logical cpu number
May 19 11:33:12 swcentos7-rte kernel: ACPI: NR_CPUS/possible_cpus limit of 1 reached. Processor 3/0x3 ignored.
May 19 11:33:12 swcentos7-rte kernel: Unable to map lapic to logical cpu number
May 19 11:33:12 swcentos7-rte kernel: ACPI: NR_CPUS/possible_cpus limit of 1 reached. Processor 4/0x4 ignored.
May 19 11:33:12 swcentos7-rte kernel: Unable to map lapic to logical cpu number
May 19 11:33:12 swcentos7-rte kernel: ACPI: NR_CPUS/possible_cpus limit of 1 reached. Processor 5/0x5 ignored.
May 19 11:33:12 swcentos7-rte kernel: Unable to map lapic to logical cpu number
May 19 11:33:12 swcentos7-rte kernel: ACPI: NR_CPUS/possible_cpus limit of 1 reached. Processor 6/0x6 ignored.
May 19 11:33:12 swcentos7-rte kernel: Unable to map lapic to logical cpu number
May 19 11:33:12 swcentos7-rte kernel: ACPI: NR_CPUS/possible_cpus limit of 1 reached. Processor 7/0x7 ignored.
May 19 11:33:12 swcentos7-rte kernel: Unable to map lapic to logical cpu number
May 19 11:33:12 swcentos7-rte kernel: ACPI: NR_CPUS/possible_cpus limit of 1 reached. Processor 8/0x8 ignored.
May 19 11:33:12 swcentos7-rte kernel: Unable to map lapic to logical cpu number
May 19 11:33:12 swcentos7-rte kernel: ACPI: NR_CPUS/possible_cpus limit of 1 reached. Processor 9/0x9 ignored.
May 19 11:33:12 swcentos7-rte kernel: Unable to map lapic to logical cpu number
May 19 11:33:12 swcentos7-rte kernel: ACPI: NR_CPUS/possible_cpus limit of 1 reached. Processor 10/0xa ignored.
May 19 11:33:12 swcentos7-rte kernel: Unable to map lapic to logical cpu number
May 19 11:33:12 swcentos7-rte kernel: ACPI: NR_CPUS/possible_cpus limit of 1 reached. Processor 11/0xb ignored.
May 19 11:33:12 swcentos7-rte kernel: Unable to map lapic to logical cpu number
May 19 11:33:12 swcentos7-rte kernel: ACPI: NR_CPUS/possible_cpus limit of 1 reached. Processor 12/0xc ignored.
May 19 11:33:12 swcentos7-rte kernel: Unable to map lapic to logical cpu number
May 19 11:33:12 swcentos7-rte kernel: ACPI: NR_CPUS/possible_cpus limit of 1 reached. Processor 13/0xd ignored.
May 19 11:33:12 swcentos7-rte kernel: Unable to map lapic to logical cpu number
May 19 11:33:12 swcentos7-rte kernel: ACPI: NR_CPUS/possible_cpus limit of 1 reached. Processor 14/0xe ignored.
May 19 11:33:12 swcentos7-rte kernel: Unable to map lapic to logical cpu number
May 19 11:33:12 swcentos7-rte kernel: ACPI: NR_CPUS/possible_cpus limit of 1 reached. Processor 15/0xf ignored.
May 19 11:33:12 swcentos7-rte kernel: Unable to map lapic to logical cpu number
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For those who got here through search, there is a fix in the following CentOS bug tracker entry:
https://bugs.centos.org/view.php?id=10892
Alexandr says: Tell me please where we can see what program minimum version 7 and in others?
Benhaddi Abderrahman says: I downloaded "CentOS-7-i386-Everything-1611.iso" three times and eatch time the verification with winmd5 answer: "Not Matched" I don't know how to obtain a valid one.
Please help me.
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Although I don't know the program, the name "winmd5" suggests it uses MD5 hashes for checking the image. The published hashes are SHA256.
Here are all the hashes:
CentOS-7-i386-Everything-1611.iso
MD5: 574d863fc4ed0e6a5441d88495a293f7
SHA1: ab849b047459dc3ea2bfeb065cafb01a5d3b9ceb
SHA256: 578a475248ecef427269357b7ff22b973a007f534988f39f365b8dded43fad72CentOS-7-i386-Everything-1708.iso
MD5: 54df90d489072f3a2561a764f050b69e
SHA1: d7a8f713d60bc934dca22f3525d09034e4af3c16
SHA256: e118987646ca5e916a1cdc89e916ea64bd06e1c09564721a13ad90b0caffd4b2Although I'd suggest using the DVD image instead of Everything (both will work just fine, but Everything is extra download):
CentOS-7-i386-DVD-1708.iso
MD5: 481acc50cb8f271f40f57d3f75dca942
SHA1: 08326c9d1704bc875f517b6806715ffc4ceef745
SHA256: 36df0a7d687e058ec11708ccace7981fe2faf1040d4efd796a4ffab67863eace
Waman Saakharekar says: CentOS 7 32 is good OS
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Basavaraj.Sheeli says:
Kindly Share the link to download
virendra says: Hi I have 32 bit dual core laptop with 2 gb ram,
Is centos 7 version support to 32 bit laptop if yes please let me know the link
Advance thank u