Dell Latitude 5300 2-in-1 Chromebook Enterprise Latitude 5300 2-in-1 Chrome Se - Page 29
Coreboot and U-boot Custom Firmware, Chrome vs Chromium OS
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Figure 2. Recovery Mode • Allows a user to reinstall the Chrome OS from a USB key or SD card. • Recovery mode is entered if verified boot fails. • A user can force recovery mode via a key combination during boot. Coreboot and U-boot Custom Firmware Coreboot • Memory and chipset initialization • Open-source, except for MRC binary from Intel. U-Boot • Performs verified boot • Handles recovery and Developer Mode • Open source code Normal boot is very fast, as it takes few second to start loading kernel. Chrome devices does not boot other operating systems such as Windows or OS X. Chrome vs Chromium OS Table 21. Difference between Chromium and Chrome OS Chromium OS Difference between Chromium and Chrome OS Chrome OS • Is an open source project: https://www.chromium.org/ chromium-os • Runs on regular PCs and Chrome devices • Is based on Chromium OS • Only runs on the Chrome devices with required hardware features (TPM, RO firmware, recovery button, developer switch). Software 29