User`s manual

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A A
B B
C C
D D
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KEYBOARD.SCH
Am486 MICROPROCESSOR
PCI CUSTOMER DEVELOPMENT PLATFORM
KEYBOARD INHIBIT FUNCTION
4
1
3
5-Pin
Din
2
5
EDGE OF BOARD
CONNECTOR
4
1
5
KEYBOARD
3
2
(COMPONENT SIDE)
6
7
(PINS 6 AND
7 GROUND THE
METAL SHELL)
5
4
CONNECTOR
3
MOUSE
12
6
(COMPONENT SIDE)
EDGE OF BOARD
5
2
6-Pin
Mini-Din
3
1
4
6
7
8
PC KEYBOARD AND MOUSE INTERFACE
2.1
(C) Advanced Micro Devices, Inc. [phone]
5204 E. Ben White Blvd.
Austin, TX 78741
AMD Proprietary/All Rights Reserved
25 26 Friday, December 04, 1998
Title
Size Document Number Rev
Date: Sheet of
MDATA1
MVCC
M_CLK1MMCLK
ATCLK
MMDATA
GA6
KBINHIBIT
IORJ
GA2
GA[2..9]
IOWJ
KBSS#
IRQ1
XBUSCSJ
GA7
KCLK
KDATA
KBINHIBIT
GA3
GA4
GA5
GA8
KK CLK
IRQ12
KCLK1
KKDATA
SA2
GA9
KBVCC
RSTDRV#
MCLK
MDATA
KKDATA
MMDATA
KKCLK
MMCLK
KDATA1
IRQ12
XBUSCSJ
GA[2..9]
RSTDRV#
ATCLK
SA2
IOWJ
IORJ
IRQ1
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
C160
0.1uF
R171
4.7K
R172
4.7K
L8
FB
L9
FB
C159
47pF
C158
47pF
R145
470
R146
*2.2K
C1
0.1uF
R174
1K
F1
FUSE--0.5A
R173
1K
C28
47pF
R44
4.7K
R45
4.7K
C14
47pF
L2
FB
AMP 212044-1
J1
KYBD CONN
1
2
3
4
5
6
7
U79
M5042
2
3
5
6
43
9
7
8
10
12
15
16
17
18
19
20
21
28
30
31
32
33
35
36
37
38
24
25
26
27
39
40
41
42
11
44
22 29
1
4
14
13
23
34
T0
NC2
RESET#
SS#
T1
RD#
CS#
EA
A0
NC3
D1
D2
D3
D4
D5
D6
D7
PROG
P10
P11
P12
P13
P14
P15
P16
P17
P20
P21
P22
P23
P24
P25
P26
P27
WR#
VCC
GND VCC
NC1
OSC
D0
SYNC
NC4
NC5
L1
FB
R175
10K
F2
FUSE--0.5A
C156
0.1uF
C157
0.1uF
U78D
74F06
9 8
U78C
74F06
5 6
U78A
74F06
1 2
U78B
74F06
3 4
U78E
74F06
11 10
U78F
74F06
13 12
J11
MOUSE_CON
AMP 750329-2
1
2
3
4
5
6
7
8
1
2
3
4
5
6
GND
GND