Title: | How to Change Y Mode settings from Preboot environment |
URL Name | How-to-Change-Y-Mode-settings-from-Preboot-environment |
Summary | This is a general guide on how to change the Y-mode values at preboot. This can be used in occasions where the customer is getting a black screen blinking cursor on a Legacy device using v5. |
Information:
Y-Modes are values which tell the SecureDoc boot logon how to behave and how to treat the encryption information unlocked by the user.
Y-Modes are only applicable to Legacy Boot Logon v5.
See articles 1597 and 1377 on the risks of using Y-modes
Available Y Modes:
Y-Mode | Location of Encryption Information | Reboot after Boot Logon? | SecureDoc Product |
00 | Memory | No | SecureDoc/CloudVM |
04 | Memory | Yes | SecureDoc |
40 | Disk | Yes | SecureDoc |
10 | Disk/Memory | No | CloudVM |
14 | Disk/Memory | Yes | CloudVM |
50 | Disk | Yes | SecureDoc/CloudVM |
Changing Y-Mode:
1. Enter User ID (with Admin rights) & password at SecureDoc boot login but do not press ENTER key
2. Press the F3 Key
3. You should see 2 options: Login and Configuration Tab
4. Select Configuration
5. Change Special Y Mode to value required on Boot LogOn.
6. Save the setting and restart the device
Internal Reference:
https://confluence.winmagic.local:8443/pages/viewpage.action?pageId=5177921
https://confluence.winmagic.local:8443/display/PSE/Risk+associated+with+Special+Y-Mode+%3D+40+-+MUST+READ
https://confluence.winmagic.local:8443/display/PSE/AMD+Processors+-+Special+Handling+required+-+Y-Mode+%3D+04
Custom Fields
Operating System: All
Product_Documentation: Yes
Version: Affects all versions of SD