NEC Aspire S Manual page 40

Section 2: PCB Installation and Startup
Switch Settings and LED Indications
Switch
SW1 - Load Switch
SW3
SW4
The LED indications on the CPU represent the following:
● RUN (LD2) = Indicates the CPU is operating
● LED 1 (LD1), 3 (LD3) and 4 (LD4) = Indicate system alarms
●
LED 5 (LD5) = Status of Compact Flash Card (off with no flash card installed)
● LED 6 (LD6) and 7 (LD7) = Indicates the status of single line ports 1 and 2 (off when on-hook)
RUN (LD2) LED1
On Off
Off Off
Off On
Off Off
Off On
On Blinking
On Blinking
On Blinking
Blinking Off
2-8 ◆ Section 2: PCB Installation and Startup
Switch
Setting
- While powering up the system and holding the SW1 switch (SW3-2
switch set to off):
• With a PC-ATA: System software is updated.
• Without a PC-ATA: System boots loading stored software.
• With a Card Other Than a PC-ATA: The card is ignored and the sys-
tem boots loading stored software.
While powering up the system without holding the SW1 switch:
• The system boots loading software stored in flash memory.
3 Debugging Mode (CN1 connector used for debugging)
1 Normal Mode (CN1 connector used for serial interface)
3 (Factory Use) Used to initially load system software
1 Normal Mode
Refer to Program 90-10 : System Alarm Setup for details on assigning alarm LEDs.
LED Indication
LED3 LED4
Off Off
Off Off
Off Access Blink
On On
On Access Blink
Blinking Blinking
Off Off
Blinking Off
Off Off
Operation
LED5
On Steady with System starting up
card installed
On Steady with System initializing
card installed
On Steady with Initializing or formatting the disk
card installed
On Steady with Boot program is initializing in the
card installed flash memory
On Steady with Loading system software
card installed
On Steady with Completing system program
card installed update
On Steady with Completing boot software update
card installed
On Steady with Completing disk formatting
card installed (SRAM, Flash)
On Steady with DRAM error
card installed
Status
Aspire S Hardware Manual