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eficheck

Firmware updates with macOS 13.4, 12.6.6 and 11.7.7

Some Intel Macs without T2 chips have firmware updates with last week’s security updates. Here are the details.

May 23, 2023 Macs, Technology

Is this the end for eficheck and non-T2 Intel Macs?

In just over a month, Apple is expected to announce macOS 14. How many Intel Macs without T2 chips are likely to be supported? What about their firmware?

May 5, 2023 Macs, Technology

LockRattler 4.37 fixes a crashing bug

When run on Intel Macs without a T2 chip in Ventura 13.3.1, LockRattler may crash because of a bug in macOS. This update fixes it.

May 2, 2023 Macs, Technology, Updates

Which firmware should your Mac be using? (version 7)

List of current versions of firmware for all models of Mac supported by Ventura, following upgrading to Ventura.

November 3, 2022 Macs, Technology

Firmware on the change: 1 Out with the old

Since replacing Open Firmware in 2006, EFI firmware has undergone major change. Now only installed as part of a macOS install or update, here’s its story.

March 13, 2022 Macs, Technology

Which firmware should your Mac be using? (version 6)

This article lists the firmware versions of Macs which have been successfully updated to run macOS 12.6.6. Apple […]

September 2, 2021 Macs, Technology

Why is firmware so troubled?

The last five years have seen great changes in Mac firmware security. As Intel Macs are replaced by Apple Silicon models, firmware may at last be simpler and more secure at last.

March 8, 2021 Macs, Technology

Which firmware should your Mac be using? (version 5)

This article lists the firmware versions of Macs which have been successfully updated to run macOS 11.7.7. Apple […]

November 16, 2020 Macs, Technology

Firmware fundamentals

Essential facts about the firmware in your Mac, how it’s updated, and which version you should be running. With links to more detailed articles.

September 15, 2020 Macs, Technology

Achieving the CIS Apple macOS 10.15 Benchmark

If you’re working towards this benchmark (or those for earlier versions of macOS), or want to maintain systems to its requirements, I have something to help you.

September 4, 2020 Macs, Technology

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