ETS-Lindgren 2090 Controller User Manual

Page 143

Model 2090 Multi-Device Controller

all power and cables from the Model 2090

and move it to an open work area.

out of its

socket with a gentle rocking motion. It is not

e, gently

remove the two EPROMs, U1 and U5, out of their

slightly and insert the device completely

under the chip to the other end. Avoid prying one end

oting the orientation of the notch on the flash ROMs,

O bank ROMs, but do not use the

Disconnect

Use an anti-static wrist strap or other suitable ground to

insure that you are properly grounded while you work.

Use a #2 Phillips screwdriver to remove the six screws

(four on top, two along the back top edge) from the lid

of the Model 2090 case. Slide the lid to the back of the

Model 2090 to remove it.

Remove the two mounting screws (if supplied) from the

single board computer and gently lift the SBC

recommended that you attempt to replace the ROM

chips with the SBC installed in the Model 2090.

Using an IC puller or another suitable devic

sockets, taking care not to bend the pins, and place

them on an anti-static pad. Gently pry at both ends, or

pry one end up

all the way out as damage to the IC pins and/or socket

may occur.

insert each one oriented as shown in the figure on the

previous page. Refer to the label on the chips to

identify the HI and L

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Revision G– P#399199