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13600K + Z790M = CPU is limited to 4000MHz, Why£ |
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xtraco 
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Joined: 10 May 2024 Status: Offline Points: 55 |
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 Topic: 13600K + Z790M = CPU is limited to 4000MHz, Why£Posted: 10 May 2024 at 9:14am |
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Hello, because of stability issues I've got in default BIOS configuration (after 1 yr of normal work) I'm trying to run my setup in fixed-frequency config.
In BIOS I disabled 'Intel SpeedStep Technology' and 'Intel Speed Shift Technology', it looks like system runs perfectly OK, but BIOS limits final CPU frequency to 4000Mhz. For example: 1. Working configuration: BCLK = 121, CPU multiplier x33 - CPU frequency = 121 * 33 = 3993Mhz 2. I increment BCLK, expect to get 122 * 33 = 4096Mhz, but in Windows I see CPU multiplier is set to 32 (not 33) and actual frequency is around 122 * 32 = 3900Mhz It seems like value of "OC Tweaker / CPU Configuration / CPU P-Core Ratio" is ignored if final CPU frequency goes above 4000Mhz. - - - - - Question: Which BOIS configuration options I need to set to get CPU base clock higher than 4000Mhz? (I expect CPU may run stably at frequencies up to 5000Mhz.) - - - - - Motherboard: ASRock Z790M PG Lightning/D4, BIOS: 11.02 CPU: i5-13600K Memory: G.Skill F4-4400 |
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