新版本 microcode 有可能會解決問題…
Intel 終於承認 13th 與 14th Gen 系列處理器的問題跟 operating voltage 有關聯,因此需有透過更新 microcode 來解決相關問題,但 Intel 顯然沒有清楚告知到底 13th 與 14th Gen 系列處理器的到底有什麼其他問題存在著。
早前聲明中,Intel 僅以「elevated operating voltage」一詞帶過,但發給合作夥伴的聲明中,13th 與 14th Gen 系列處理器中,以 Intel Core i7 與 Intel Core i9 系列最為嚴重,但我們可以確認許多玩家因這裡面的 K 系列處理器在這期間感受到不少困擾。
至於 Intel 所謂的「elevated operating voltage」部分,嚴格來說是指 Vmin(minimum operating voltage);Intel 聲明中也清楚地說明,就是處理器多核心最低工作電壓(Vmin)有顯著被加壓的的行為存在著。
Intel observes a significant increase to the minimum operating voltage (Vmin) across multiple cores on returned affected processors from customers.
• This increase is similar in outcome to parts subjected to elevated voltage and temperature conditions for reliability testing.
• Factors contributing to this Vmin increase include elevated voltage, high frequency, and elevated temperature.
• Even under idle conditions at relatively cool temperatures, sporadic elevated voltages are observed when the processor is resumed from low power states in order to service background operations before entering a low power state again.
• At a sufficiently high voltage, these short-duration events can accumulate over time, contributing to the increase in Vmin.
雖然聲明中也指出,Vmin 增加的原因包含的高電壓、高頻率以及高溫,但也有說明,即使在相對低溫的待機狀態下,處理器從低功耗狀態恢復後再回到低功耗模式時,也有觀察到發生瞬間高電壓的情況;這裡的「高電壓」應是指 Vmin 要求的電壓高於原先設定需求。
Intel 認為處理器要求更大電壓將會導致 Vmin 持續要求更高電壓的可能性,因此在 8 月中旬釋出的 microcode 將會進一步限制 VID(Voltage ID)請求超過 1.5v 電壓,作為未來可能的糾正措施。
Corrective Actions:
Intel is validating a microcode update to limit VID requests above 1.55V as a potential future corrective action, targeted for production release in mid-August to NDA customers. Early testing by Intel on a small number of benchmarks indicates minimal performance impact due to this microcode change.
While this microcode update addresses the elevated voltage aspect of this issue, further analysis is required to understand if this proposed mitigation addresses all scenarios.
This microcode update, once validated and released, may not address existing systems in the field with instability symptoms.
雖然 Intel 覺得此次 microcode 更新將有望解決電壓提高造成系統不穩定的問題,但 Intel 還需要更進一步分析,以了解是否能全面性解決所有問題。