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Likely not all Z490 motherboard will support Rocket Lake-S processors
Admittedly, this is getting a little confusing, isn't it? Earlier this week you have been able to read here that Intel will not support H410 and B460 motherboards for their eleventh-generation desktop processors. However, it now seems that several Z490 motherboards won't get compatible either.
New knowledge turned up in a Chinese forum, with pretty distinct details explained as to why that is. First off, the chipset, the bios of the Z490 motherboard determine which processors are supported. If the SKU is not recognized, the system cannot boot. However, if the power delivery does not meet requirements, a BIOS update simply might not get supported for Rockert Lake-S.
The information is this; According to user 民 绘 边 怪, author of the post, Intel recently changed Rocket Lake's power supply design requirements. The diagram listed below indicates that the VCCIO voltage (Processor Power for I/O it is the voltage for the integrated memory controller as well as the PCI-E controllers). On a Z590 board this is divided into three parts: VVCIO_0, 1, and 2. B460 boards only use VCCIO_0. Also, the operation of the system agent voltage (VCCSA) has been adjusted. These two combined are the reason why Rocket Lake is not supported by certain chipsets.
民 绘 边 怪, mentions that not all Z490 motherboards will be compatible with the new generation of Intel chips. Why that precisely is is not clearly explained, but given what we just told you this has to be related to VCCIO power delivery not being sufficient enough and not matching the requirements. At least the following Z490 boards are mentioned:
- MSI Z490 S01
- MSI Z490M S01
- ASRock Z490 Phantom Gaming 4 (all variants)
- ASRock Z490 Pro4
- ASRock Z490M Pro4
- ASRock Z490M-ITX / ac
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hansip87
Junior Member
Posts: 16
Joined: 2006-03-04
Junior Member
Posts: 16
Joined: 2006-03-04
#5886306 Posted on: 02/11/2021 01:06 PM
Oh shit Intel why you do this! i begin to wonder why do i still sticking with Intel this time around
fortunately i was aware that my Asrock z490m itx/ac doesn't have any bios announcement and when i saw Z490-g board second hand with good price i took it. but still.. WTH Intel (or Asrock ftm)??
Oh shit Intel why you do this! i begin to wonder why do i still sticking with Intel this time around
fortunately i was aware that my Asrock z490m itx/ac doesn't have any bios announcement and when i saw Z490-g board second hand with good price i took it. but still.. WTH Intel (or Asrock ftm)??
cucaulay malkin
Senior Member
Posts: 3635
Joined: 2020-08-03
Senior Member
Posts: 3635
Joined: 2020-08-03
#5886312 Posted on: 02/11/2021 02:07 PM
why am I not surprised to see a whole list of asrock mobos there
what a sad downfall of once great mobo maker. their mid range boards used to be quality.
their z490 is definition of fail.
why am I not surprised to see a whole list of asrock mobos there
what a sad downfall of once great mobo maker. their mid range boards used to be quality.
their z490 is definition of fail.
Undying
Senior Member
Posts: 17311
Joined: 2008-08-28
Senior Member
Posts: 17311
Joined: 2008-08-28
#5886314 Posted on: 02/11/2021 02:11 PM
Thats what you get for not buying an high end z490 motherboard.
Thats what you get for not buying an high end z490 motherboard.
cucaulay malkin
Senior Member
Posts: 3635
Joined: 2020-08-03
Senior Member
Posts: 3635
Joined: 2020-08-03
#5886316 Posted on: 02/11/2021 02:13 PM
how could you have known that ?
Oh crap Intel why you do this! i begin to wonder why do i still sticking with Intel this time around fortunately i was aware that my Asrock z490m itx/ac doesn't have any bios announcement and when i saw Z490-g board second hand with good price i took it. but still.. WTH Intel (or Asrock ftm)??
fortunately i was aware that my Asrock z490m itx/ac doesn't have any bios announcement and when i saw Z490-g board second hand with good price i took it. but still.. WTH Intel (or Asrock ftm)??how could you have known that ?
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Senior Member
Posts: 158
Joined: 2016-08-07
Nice record for intel.
A unique gen only motherboards.
Return of this boards will be sky high. Or rocket high.