Design Guide

A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
If a PS/2 "breakout" connector is used,the keyboard PS/2
connector can be used for both a PS/2 keyboard and a
second PS/2 mouse. Otherwise, the keyboard PS/2
connector will only support a PS/2 keyboard.
CBTD has integrated
diode for 5V to 3.3V
voltage translation
Scan Matrix Key Board
4.401
Keyboard and Mouse Connectors
A
36 50Monday, September 15, 2003
Intel 855GM/GME CRB <Doc>
Title
Size Document Number Rev
Date: Sheet
of
Project:
KBD_CLK
MOUSE_CLK
MOUSE_DATA
KBD_DATA
L_PS2_PWR
PS2_PWR_L
GP_CLK
L_MOUSE_DATA
L_GPDATA
L_GPCLK
L_KBD_DATA
L_MOUSE_CLK
GP_DATA
MOUSE_CLK
KBD_DATAL_KBD_CLKKBD_CLK
MOUSE_DATA
GP_CLK
KBC_SCANOUT9
KBC_SCANOUT1
KBC_SCANOUT12 KBC_SCANOUT13
KBC_SCANOUT3
KBC_SCANOUT0
KBC_SCANOUT8
KBC_SCANOUT11
KBC_SCANOUT2
KBC_SCANOUT5KBC_SCANOUT4
KBC_SCANOUT6
KBC_SCANOUT10
KBC_SCANOUT15KBC_SCANOUT14
KBC_SCANOUT7
OE#_PS2
GP_DATA
KBC_SCANIN2
KBC_SCANIN4
KBC_SCANIN6
KBC_SCANIN5
KBC_SCANIN3
KBC_SCANIN7
KBC_SCANIN0 KBC_SCANIN1
SMB_SB_DATA 32,37,45
SMB_SB_CLK 32,37,45
KBC_GP_DATA32
KBC_GP_CLK32
KBC_MOUSE_CLK32
KBC_MOUSE_DATA32
KBC_KB_DATA32
KBC_KB_CLK32
SMC_EXTSMI# 19,32,34,37
SMC_RUNTIME_SCI# 19,32,37
SMC_WAKE_SCI# 19,32,37
PM_BATLOW# 19,32,37
KBC_SCANOUT[15:0] 32
KBC_A20GATE 32,37
SMB_SB_ALRT# 32,37,45
DOCK_INTR# 24,32,37
KBC_SCANIN[7:0] 32
H_A20GATE18
+V3.3ALWAYS5,15,19..23,27..29,32,37..39,45
+V3.3S
5,6,8,9,11,15..18,20,21,23,26,31,33..35,38..40,45
+V5_PS2
+V5 20..23,27,37,44,45+V5_PS2
+V5_PS2
+V5_PS2
+V5_PS2
+V5_PS2
+V5_PS2
+V5_PS2
+V5_PS2
+V5_PS2
+
F1A1
1.1A
1 2
CP1A1A
47PF
1
8
C1A2
47pF
RP1B2B
4.7K
27
RP8H6A 10K
1 8
U8A3
SN74CBTD3384
3
7
11
17
21
4
8
14
18
22
1
13
2
6
10
16
20
5
9
15
19
23
24
12
1A1
1A3
1A5
2A2
2A4
1A2
1A4
2A1
2A3
2A5
1OE#
2OE#
1B1
1B3
1B5
2B2
2B4
1B2
1B4
2B1
2B3
2B5
VCC
GND
R9A2 10K
FB1A6
31Ohm@100MHz
1
2
R8A5
100
RP8G1D 10K
4 5
RP9G1B 10K
2 7
CP1A1D
47PF
4
5
C8A6
0.1UF
RP1B2D
4.7K
45
RP8G2C
8.2K
3 6
RP8H6D 10K
4 5
RP1B2A
4.7K
18
FB1A5
60ohm@100MHz
1 2
C1A1
47pF
C1B1
22UF
FB1A3
60ohm@100MHz
1 2
FB1A8
60ohm@100MHz
1 2
FB1A4
60ohm@100MHz
1 2
RP8H6B 10K
2 7
RP9G1C 10K
3 6
RP1B1A
4.7K
18
CP1A1B
47PF
2
7
RP1B1B
4.7K
27
R1B1 0.01_1%
FB1A9
60ohm@100MHz
1 2
CP1A1C
47PF
3
6
FB1A7
60ohm@100MHz
1 2
J1A1
DUAL_PS2
1
2
3
4
5
6
7
8
9
10
12
11
13
14
15 16
17
C1B2
0.1UF
RP8H7A 10K
1 8
J9D1
NO_STUFF_24Pin_ZIF-HDR
1
3
5
7
9
11
13
15
17
19
21
23
2
4
6
8
10
12
14
16
18
20
22
24
RP1B2C
4.7K
36