Compex WP54AG User Manual download pdf (Page 16)

WP54 6E

Additional Notes (For WP54 6E)

1. Major difference between WP54 6E and WP54 1B are that

a. WP54 1B can only support 5V DC and 48V PoE. WP54 6E can support 12V

to 48V DC and 15V to 48V PoE.

b. WP54 1B can only use DC Power when use the serial converter. WP54 6E

can use both DC Power and the PoE when using the serial converter.

c. WP54 1B’s both ports are PoE, but WP54 6E only has one port that is PoE.

2. Why do we need to use GPIO 5 to select the flash bank?

It is needed because the ADM5120 flash controller only supports 2MB flash

space. A “0” on GPIO 5 selects the 1

2MB of flash and a “1” selects the last

2MB flash.

3. Can we increase the flash size to 8MB?

No. ADMtek 5120 has a limitation of 4MB flash. If you are switching over from

WRAP boards which is X86 based, after compilation, the codes recompiled to

MIPS core is much smaller. Therefore you do not need such a huge space.

4. Can we do a software reset to the miniPCI slot?

No. The miniPCI slot reset line is connected directly to ADM5120’s PCI_RESER pin.

The software has no control over this output pin. This output is in sync with the

CPU’s system reset pin (RESET_N). The RESET_N is however controlled by GPIO 3.

When the CPU sends GPIO 3 to low, the CPU will get reset, the PCI_RESET will get

reset too. The timing of this RESET_N pin depends on how long the CPU will get

reset, and thus controlled by hardware.

Additional Notes (For WP54 6E Using Open-WRT ONLY)

1. Our Open-WRT is based on the current development branch, Kamikaze.

2. Please download Open-WRT Source Codes from

http://compex.com.sg/home/OEM/Open_wrt.htm

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Compex WP54AG User Manual Page 16