Changing The Flash Rom Type; Selecting The Ecp Dma Channel; Enabling The Fdc And Super I/O Chip - AOpen AP55CS User Manual

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Hardware Setup

Changing the Flash ROM Type

Set the six-pin jumper JP18 according to the type of Flash ROM in use. If
the system uses EEPROM instead of Flash ROM, you must reset the jumper
to 2-3 and 4-5 The default setting depends on the BIOS ROM type.
FLASH ROM
EEPROM

Selecting the ECP DMA Channel

The jumpers JP11 and JP12 are used to select the DMA channel for ECP
function.
DMA 1
DMA 3

Enabling the FDC and Super I/O Chip

The jumper JP14 is used to enable or disable the floppy disk controller
(FDC) and the super I/O chip. The onboard I/O chip supports two serial
2-6
JP18
a. 5V Vpp
b. 12V Vpp
JP11
JP12
User 's Guide

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