User's Manual

Castles Technology Co., Ltd. Confidential • All Right Reserved. Pg. 4
Contents
1. Introduction .................................................................................................................. 6
2. Hardware Setup ............................................................................................................ 7
2.1. Parts of the Surface ............................................................................................. 7
2.2. Power Supply ....................................................................................................... 9
2.3. Environment ......................................................................................................... 9
3. Basic Operation ......................................................................................................... 10
3.1. Program Manager .............................................................................................. 10
3.2. Download AP ..................................................................................................... 11
3.3. System Info........................................................................................................ 12
3.4. Memory Status .................................................................................................. 13
3.5. System Settings ................................................................................................. 14
3.6. Test Utility .......................................................................................................... 17
3.7. Factory Reset .................................................................................................... 19
3.8. Power Off .......................................................................................................... 20
3.9. Password Manager ............................................................................................ 21
3.10. Share Object Management ................................................................................ 23
3.11. Font Mng ........................................................................................................... 24
3.12. ULD Key Hash ................................................................................................... 25
3.13. Plug-in Mng ....................................................................................................... 26
3.14. Key Injection ...................................................................................................... 27
3.15. HW Detect ......................................................................................................... 28
4. Secure File Loading ................................................................................................... 29
4.1. ULD Key System ............................................................................................... 29
4.1.1. ULD Manufacturer Key ........................................................................... 29
4.1.2. ULD User Key ........................................................................................ 31
4.1.3. Key Change ........................................................................................... 31
4.2. File Signing ........................................................................................................ 32
4.2.1. Signing Kernel Module ........................................................................... 32
4.2.2. Signing User Files .................................................................................. 34
4.3. File Loading ....................................................................................................... 38
4.3.1. Download by User Loader ...................................................................... 38
4.4. Changing ULD User Key.................................................................................... 41
5. Font Management ...................................................................................................... 48