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a2000.replacement
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1988-10-05
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2KB
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Amiga 2000 KickStart 1.3 ROM Replacement
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- Remove the cover of the 2000, there are two screws in each side, and
one on the back, in the top, center.
- Disconnect the power supply cable and the floppy drive cable. REMEMBER
which way they get reconnected. The power connector has a lip on one side
and the floppy cable has a stripe on one side of the cable.
- Remove the whole power supply - drive bay assembly. There are three
screws on the front of the chassis that hold it, and four on the back.
The bay is supported underneath by metal tabs, so it will not fall, when
you remove all the screws. It can be lifted out by pulling up on the
front of the unit first (where the drives are).
- Locate the KickStart ROM (see enclosed figure), it has the part
number 315093. The dash and last two numbers indicate which version.
KickStart 1.2 is version 01, and KickStart 1.3 is version 02.
- Notice the direction of the chip. It has a notch in one end. The
replacement chip MUST go in the same way. Gently pry the old chip out
with a small flat object wedged between the chip, and the socket. Work
at both end, a little bit at a time.
- Set one side of pins, of the new ROM into the socket. Using two fingers,
GENTLY push on the free end, until it will go into the socket. Then after
you are CERTAIN, both sides of the chip are in the socket, push down on
the chip, to seat it all the way into the socket.
- Reassemble the system, and power it up. You should immeadiately see the
screen change through it's startup colors and give you the WorkBench
prompt with a little V1.3 in the corner. If you do not, immeadiately turn
off the computer and double check everything. If you did, congratulations
on your success!