User Manual
Table Of Contents
- Chapter 1
- Chapter 2
- Chapter 3
- BIOS setup
- 3.1 BIOS setup program
- 3.2 Main menu
- 3.3 Advanced menu
- 3.3.1 Platform Trust Technology
- 3.3.2 Trusted Computing
- 3.3.3 CPU Configuration
- 3.3.4 Graphic Configuration
- 3.3.5 PCI Express Configuration
- 3.3.6 CSM Configuration
- 3.3.7 Super IO Configuration
- 3.3.8 Serial Console Redirection
- 3.3.9 SATA Configuration
- 3.3.10 Network Stack Configuration
- 3.3.11 USB Configuration
- 3.3.12 Onboard Devices Configuration
- 3.3.13 Watchdog Timer
- 3.3.14 APM Configuration
- 3.3.15 EZ-Flash
- 3.3.16 Miscellaneous
- 3.4 Hardware Monitor menu
- 3.5 Security menu
- 3.6 Boot menu
- 3.7 Exit menu
- BIOS setup
- Appendix
2-7
Chapter 2: Motherboard information
3. AT/ATX mode selection (3-pin AT_ATX_SEL)
Pins
1-2 (Default) ATX mode
2-3 AT mode
J3455T-IM-A
21 2 3
jumper closed
(Default)
jumper removed
AT_ATX_SEL
Connector type
HEADER 1x3p, 2.54mm pitch, S/T
2. WDT Enable jumper (2-pin WDT_EN)
A watchdog timer is an electronic timer that is used to detect and recover
from computer malfunctions. The HW WDT (watchdog timer) Enable jumper
allows the HW watchdog resets the system automatically even when the
system crashes.
J3455T-IM-A
21 2 3
jumper closed
(Default)
jumper removed
WDT_EN
NOTE: By default, this jumper is set to HW WDT enabled with a jumper cap
attached.
Connector type
HEADER 1x2p, 2.54mm pitch, S/T