Acer Aspire Z3171 Acer Aspire Z3170 and Z3171 Desktop Service Guide - Page 175

Bootblock Recovery Code Checkpoints 0 The Bootblock recovery code gets control when the BIOS determines that a BIOS recovery needs to occur because the user has forced the update or the BIOS checksum is corrupt. The following table describes the type of checkpoints that may occur during the Bootblock recovery portion of the BIOS. NOTE: NOTE: Checkpoints may differ between different platforms based on system configuration. Checkpoints may change due to vendor requirements, system chipset or option ROMs from add-in PCI devices Checkpoint 0xF0 0xF1 0xF2 0xF3 0xF4 0xF5-0xF7 0xF8 0xF9 0xFA 0xFB- 0xFF Description Recovery condition triggered by firmware (Auto recovery) Recovery condition triggered by user (Forced recovery) Recovery process started Recovery firmware image is found Recovery firmware image is loaded Reserved for future AMI progress codes Recovery PPI is not available Recovery capsule is not found Invalid recovery capsule Reserved for future AMI error codes Troubleshooting 4-9