Section 2: PCB Installation and Startup
Aspila EX Hardware Manual Section 2: PCB Installation and Startup 2-9
2
Switch Settings and LED Indications
The LED indications on the NTCPU represent the following:
• RUN LED 1 = Indicates the NTCPU is operating
• LED 0, 2 and 3 = Indicate system alarms
• LED 4 = Indicates the status of the PCMCIA slot (off with no PC-ATA card installed)
Switch
Switch
Setting
Operation
SW1 - Load Switch
Push Switch
- With a system restart or a system reset while holding the SW1
switch (SW3-2 switch set to off):
• With a flash card installed: System software is updated from the
flash card to the NTCPU.
• Without a PC-ATA: System boots loading software stored on the
NTCPU.
• With a Card Other Than a PC-ATA: The card is ignored and the
system boots loading software stored on the NTCPU.
With a system restart or a system reset without holding the SW1
switch:
• The system boots loading software stored on the NTCPU.
SW2 - Reset Switch - The system resets when the toggle switch is lifted and released using
the stored software and customer data on the NTCPU (Hot Start).
SW3 - 1
Must be set to OFF
On
Off
Debugging Mode (CN1 connector used for debugging)
Normal Mode (CN1 connector used for serial interface)
SW3 - 2
Must be set to OFF
On
Off
(Factory Use) Used to initially load system software
Normal Mode
LED Indication
Status
RUN (LED1) LED0 LED2 LED3 LED4
On Off Off Off - System starting up
Off Off Off Off - System initializing
Off On Off Access Blink - Initializing the disk or formatting
Off Off On On - Boot program is initializing in the
flash memory
Off On On Access Blink - Reading system software
On Blinking Blinking Blinking - Upgrading system software
On Blinking Off Off - Upgrading boot software
On Blinking Blinking Off - Finish formatting (SRAM, Flash)
Blinking Off Off Off - DRAM error
Blinking Off Off On - FPGA version error
Blinking Off On Off - SRAM error
Blinking Off On On - Flash memory booting error
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