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Codex로 삼성 오디세이 G9 펌웨어를 패치해서 새로운 게임용 조준선을 추가함
Codex Patched My Samsung Odyssey G9 Firmware to Add a New Gaming Crosshair
핵심 요약
사용자가 Codex를 활용해 삼성 모니터 펌웨어를 직접 수정, 기본 조준선을 원하는 점 형태로 변경했습니다.
- 펌웨어 패치 — Codex를 사용해 삼성 모니터 펌웨어 바이너리를 수정함
- 조준선 변경 — 기존 조준선 옵션을 7x7 픽셀의 작은 점으로 교체함
- 하드웨어 오버레이 — 별도 소프트웨어 없이 모니터 자체 기능을 활용함
- 위험성 경고 — 비공식 펌웨어로 인한 모니터 벽돌 가능성을 경고함
모니터에 기본으로 달려 나오는 조준선 진짜 개극혐이었는데, 삼성 이 새끼들은 그걸 바꿀 방법도 안 넣어놨더라. 그래서 Codex한테 조준선을 점 모양으로 바꾸는 펌웨어 업데이트 좀 만들어달라고 시켰음. 한 15분 정도 걸리더니 새 파일을 뚝딱 만들어 오더라.
Codex 설명:
I started with Samsung’s original 1008.2 firmware and made a very small binary patch rather than attempting to rebuild or substantially rewrite the firmware.
What the patch changes
1. Custom version number
The version reported to the firmware updater was changed from 1008.2 to 1009.3.
This is a custom, made-up version number. It is not an official Samsung 1009.3 release.
The higher number allows the monitor to recognize the file as an upgrade rather than rejecting it as the same or an older firmware version.
2. Tiny center dot
The firmware contains six selectable Virtual Aim/crosshair options.
I redirected all six options to a small 7×7-pixel graphic that already existed inside the firmware and positioned it at the center of the screen.
The result is a simple, unobtrusive center dot using the monitor’s own hardware overlay. It does not require a game overlay, desktop application, ReShade, or anything else running on the computer.
Technical details
Original firmware:
M-C9557GGPA-1008.2
Custom firmware:
M-C9557GGPA-1009.3[1A93].img
Total binary difference:
13 bytes
The patched image passed the build and checksum validation performed on the computer.
The monitor accepted the firmware, restarted normally, and the modified Virtual Aim options display the new center dot as intended.
Important warning
This is unofficial firmware and is not supported or approved by Samsung.
A successful checksum only confirms that the file was modified as intended. It does not guarantee that flashing it is safe on every monitor, hardware revision, region, or previously installed firmware version.
Installing modified monitor firmware always carries a risk of installation failure or, in the worst case, making the monitor unusable. Anyone experimenting with this should understand the recovery options and proceed entirely at their own risk.
