Aaeon PCM-6890B Installing

In an m15

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TB148 (Rev1) - Installing An Aaeon PCM-6890B In An M15

Overview

This document describes the procedure for installing the Aaeon PCM-6890B motherboard in an M15-6 Clr, or

newer, color console. This motherboard is a replacement in systems that have an Acrosser motherboard and

an NEC 10.4" LCD screen. Below you will find a list of all the components that you should have received with

the Aaeon motherboard.

Aaeon Kit

1. Aaeon PCM-6890B Motherboard, complete with CPU and memory

2. Heat sink, fan w/ mounting bracket, and 2 nylon spacers (.244")

3. LCD descrambler card LCD_DES 020703, 50 Pin

4. 50 pin LCD cable

5. ATX Power Supply

6. Aaeon Hard Drive cable

7. Aaeon Keyboard and mouse cables

8. Ethernet Cable

9. Inverter/drive power cable, fan/probe power cable, splitter with double standard connectors and splitter with

one standard and one floppy connector. Also need 4-pin brown Molex connecter with pins to convert the

floppy connector on the ATX power supply.

Also you will need to retain the following parts from the M15 for use with the Aaeon motherboard:

1. Floppy Drive cable

2. LPT1 cable

3. Serial cable

4. ATX power supply, if fitted

Installation

The first step in the installation process is to remove all of the old components. You must remove the old

motherboard assembly, complete with CPU, memory and heatsink. Also you must remove the old

descrambler card and LCD cable. You will no longer need the existing Ethernet cable, mouse cable, keyboard

cable or hard drive cable. If the power supply is not of the ATX type, then you will also need to remove it. This

document contains the recommended installation procedure. You must follow it exactly to avoid any problems.

If there is any confusion over any of the instructions, please refer to picture 4 of an Aaeon motherboard with

cables connected.

1. Before installing the Aaeon motherboard, put a piece of 2-sided foam tape on the bottom of the fan bracket

to avoid unwanted vibration. Now place the bracket and fan on the floor of the console over top of the front

standoffs. Then put the spacers on top of the bracket over the standoffs, so that when you install the

motherboard the bracket will be held in place. (See picture 1)

Page 1 If the power supply is not of the ATX type, then you will also need to remove it. This document contains the recommended installation procedure. You must follow it exactly to avoid any problems. If there is any confusion over any of the instructions, please refer to picture 4 of an Aaeon motherboard with cables connected.
Page 2 Picture 1: Cooling fan and bracket mounted in M15 console 2. Install the Aaeon motherboard on the existing motherboard standoffs at the bottom of the case. 3. Attach the new 50-pin descrambler card to the LCD screen using the existing screws and spacers. It is important that you use the new LCD descrambler card;...
Page 3 CPU7 is inserted all the way into the socket. Also be sure that the CPU7 will line up correctly with the back panel. (See Picture 3) Picture 3: Completed installation of Aaeon motherboard with CPU7 15. After powering on the M15, you may need to go into the CMOS setup to change the LCD screen resolution.
Page 4 CPU7. You may need to trim the ATX power connector to allow the wires to fold down either side as shown in the picture above. 5. The current LCD descrambler for the Aaeon motherboards will ONLY work with a NEC 10.4"Color screen. If your M15 has a 9.4" color or monochrome then it will not function.
Page 5 Jumpers and Connectors Document History Rev1 Created on 2002-07-24...