Curtis AR-B1682 operation manual Safety Precautions

USB:

Built-in 2 ports USB interface with 2.54mm 10-pin headers.

RTC:

Chipset including, Supports ACPI Function with 10 years data retention.

SPEAKER:

Supports on-board buzzer and external speaker. (with 2.5mm 4-pin header).

FLASH DISK:

Supports 1 DiskOnChip Socket 144MB.

H/W MONITORING:

Built-in (Wilnbond WB83783) hardware monitoring chipset.

HEADERS:

2-pin Reset, hard disk LED, and power/watchdog LED. 3-pin CPU cooling fan and Chassis cooling fan.

SWITCHES:

Use SMD DIP switch to select base clock and CPU clock multiplier.

BUS DRIVER CAP:

High driver for 32 TTL level loads (max.)

CPU SP:

Separated Vcore and Vio.

CE DESIGN-IN:

Add EMI components to COM ports, Parallel port, CRT, USB, Keyboard, and PS/2 mouse.

PC BOARD:

6 layers, EMI considered, especially in switching power layout.

BOARD DIMENSION:

Compact size 338.6mm x 121.9mm(13.33" x 4.80")

1-3. SAFETY PRECAUTIONS

Follow the messages hereinafter to protect your systems from damage on all occasions.

Touch a grounded metal object to discharge the static electricity in your body (or ideally, wear a grounded wrist strap)

Stay safe from the electric shock. Don‘t touch any components of this card when the card is on. Always switch off power when the system is not in use.

Disconnect power when changing any hardware devices. For instance, when you connect a jumper or install any cards, a surge of power may damage the electronic components or the whole system.

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