Kimble LTD · Systems Group

908

Operating System · Technical Reference

A bare-metal x86 operating system, built from the reset vector up in assembly and C. This is its manual and its logbook: how the machine boots, what each part does, and notes from the bench as it comes to life.

Doc No.
908
Revision
0.3
Issue
2026·07
Sheet
1 of 1
Class
Unrestricted
Issued by Kimble LTD

00Contents

Section / Sheet

20Field Notes

Blog / Logbook
2026·07·06 Rev 0.3 Milestone

The OS can C

908 crossed into protected mode and ran its first freestanding C. kmain wrote straight to VGA memory.

Read the full note →