Bios Recovery; Rear Usb Device Wakeup; Ps/2 Keyboard At Power On; Bios Recovery Jumper Block Jp15 Settings - NEC POWERMATE CT 815 Service And Reference Manual

BIOS Recovery

BIOS recovery jumper block JP15 is a three-pin jumper block. Descriptions for each JP15
jumper setting are provided in the following table.
Function
Normal
Recovery
Safe BIOS Mode

Rear USB Device Wakeup

Rear USB device wakeup jumper block JP1 is a three-pin jumper block for enabling or disabling
the rear USB port. Descriptions for each JP1 jumper setting are provided in the following table.
Function
Enable System
Wakeup
Disable System
Wakeup

PS/2 Keyboard at Power On

PS/2 keyboard at power on jumper block JP3 is a three-pin jumper block used to enable or
disable the keyboard at power on. Descriptions for each JP3 jumper setting are provided in the
following table.

PS/2 Keyboard at Power On Jumper Block JP1 Settings

Function
Disabled
Enabled
2-6 System Configuration

BIOS Recovery Jumper Block JP15 Settings

Jumper Pins
1-2
Open for 10
seconds
2-3

Rear USB Device Selection Jumper Block JP1 Settings

Jumper Pins
2-3
1-2
Jumper Pins
2-3
1-2
Description
Factory setting. Sets the system for normal operation.
The BIOS uses current configuration information and
passwords at power on.
To enable BIOS recovery for a corrupted system,
remove the jumper. Wait 10 seconds. Replace the
jumper on pins 1-2.
Restores Safe BIOS settings as the default BIOS
settings and loads the BIOS Setup at power on.
Description
Factory setting. Enables system wakeup via input from
a rear USB port.
Disables system wakeup via input from the rear USB
port.
Description
Factory setting. Disables the keyboard at power on.
Enables the keyboard at power on.