Work Outline for Power Cycling Mouse Simulator (Rev. "B")
from
ADAPTICOM INC.
P.O. Box 91461, Raleigh, NC 27675-1461 (919/870-0608)

TO:
IBM Corp., FFDA 44 Engineering Operations
3039 Cornwallis, P.O. Box 12195, Research Triangle Park, NC 27709-2195


Circuit Board #1
ITEM
DESCRIPTION
MODIFICATION
1
replace S87C751 microcontroller
replace socketed Phillips S87C751-2N24 (24 pin Dip package)
2
add pulldown Resistor, 290 Ohm
Pins 8 (P0.0/SCL/ASEL) and
pin 12 (GND) of Phillips S87C751-2N24 (24 pin Dip package)
3
add yellow wire #1 (30 Ga. Solid)
from minidin connector, P1, to U1, pin 8
4
add yellow wire #2 (30 Ga. Solid)
from base pad of R1 to U1, pin 8
5
cut trace #1, bottom of circuit board
from pin 4 of P1 on bottom of board to first via
6
cut trace #2, bottom of circuit board
from positive pin of C3 to negative pin of D1
7
cut trace #3, top of circuit board
from negative pin of D1 to base of R4
8
add black wire (18 Ga. stranded)
from from GND via near C3 of circuit board #1
to GND via near C3 of circuit board #2
9
add red wire (18 Ga. stranded)
from via of trace connected to positive side of D1 on circuit board #1 to same location on circuit board #2

Circuit Board #2
ITEM
DESCRIPTION
MODIFICATION
10
replace S87C751 microcontroller
replace socketed Phillips S87C751-2N24 (24 pin Dip package)
11
add 5 VOLT POWER SUPPLY
Cosel YS1005U
12
add pulldown Resistor, 290 Ohm
Pins 8 (P0.0/SCL/ASEL) and pin 12 (GND) of Phillips S87C751-2N24 (24 pin Dip package)
13
add yellow wire #1 (30 Ga. Solid)
from minidin connector, P1, to U1, pin 8
14
add yellow wire #2 (30 Ga. Solid)
from base pad of R1 to U1, pin 8
15
cut trace #1, bottom of circuit board
from pin 4 of P1 on bottom of board to first via
16
cut trace #2, bottom of circuit board
from positive pin of C3 to negative pin of D1
17
cut trace #3, top of circuit board
from negative pin of D1 to base of R4
18
add black wire (18 Ga. stranded)
from large GND via near C3 of circuit board #2
to GND pin of Cosel YS1005U
19
add red wire (18 Ga. stranded)
from positive post of C5 to VCC pin of Cosel YS1005U
20
add black wire (18 Ga. stranded) with ring terminal
from pin 1 of Crydom solid state relay #2 to AC(N) pin of Cosel YS1005U
21
add red wire (18 Ga. stranded) with ring terminal
from center post of AC outlet to AC(L) pin of Cosel YS1005U

Total Cost: $156.00 for each power cycling mouse simulator box


Adapticom Inc.
P.O. Box 91461
Raleigh, NC 27675-1461

SOW Form, Revision A. 08/02/00