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。