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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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Trihy
Senior Member
Posts: 158
Joined: 2016-08-07
Senior Member
Posts: 158
Joined: 2016-08-07
#5886334 Posted on: 02/11/2021 02:55 PM
It's ok, you can buy a brand new z590 for 200 or 300 dollars that will be abandoned in 3 or 4 months. Great investment.
They need to skip rocket lake completely. But alder lake is still a year ahead.
It's ok, you can buy a brand new z590 for 200 or 300 dollars that will be abandoned in 3 or 4 months. Great investment.
They need to skip rocket lake completely. But alder lake is still a year ahead.
hansip87
Junior Member
Posts: 17
Joined: 2006-03-04
Junior Member
Posts: 17
Joined: 2006-03-04
#5886342 Posted on: 02/11/2021 03:19 PM
When the first leak tweet of RKL z490 support of asrock goes live, the (short) list of z490 makes me question why my board does not get mentioned straightaway. And when i check those board webpage, their description has been updated with 11th gen support while mine doesn't. So something must've gone wrong.
Found second hand z490-g is just pure luck and timing, because I just got over itx madness mainly because of the insane pricing these days. So my case is already microATX right now but with ITX innard but ready to jump whenever good mATX board come around. And boom z490-g it is. The asrock board? got sold just yesterday
#phewww
how could you have known that ?
When the first leak tweet of RKL z490 support of asrock goes live, the (short) list of z490 makes me question why my board does not get mentioned straightaway. And when i check those board webpage, their description has been updated with 11th gen support while mine doesn't. So something must've gone wrong.
Found second hand z490-g is just pure luck and timing, because I just got over itx madness mainly because of the insane pricing these days. So my case is already microATX right now but with ITX innard but ready to jump whenever good mATX board come around. And boom z490-g it is. The asrock board? got sold just yesterday
#phewww
H83
Senior Member
Posts: 4489
Joined: 2009-09-08
Senior Member
Posts: 4489
Joined: 2009-09-08
#5886346 Posted on: 02/11/2021 03:35 PM
It´s amazing the mess created by Intel regarding their own sockets! That´s why my next rig is probably going to be from AMD.
It´s amazing the mess created by Intel regarding their own sockets! That´s why my next rig is probably going to be from AMD.
-Tj-
Senior Member
Posts: 17807
Joined: 2012-05-18
Senior Member
Posts: 17807
Joined: 2012-05-18
#5886355 Posted on: 02/11/2021 03:52 PM
My bios is rdy since 15th dec
If only gpu prices were rdy too lol
My bios is rdy since 15th dec
If only gpu prices were rdy too lol
Click here to post a comment for this news story on the message forum.
Senior Member
Posts: 507
Joined: 2006-11-25
but not asus - those are not supporting gen.4 m.2 with rocket lake