Intel 855PM Design Manual page 362

Chipset platform for use with pentium m and celeron m processors
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A
J32
KBC_SCANOUT0
1
KBC_SCANOUT2
3
KBC_SCANOUT4
4
5
KBC_SCANOUT6
7
KBC_SCANOUT8
9
KBC_SCANOUT10
11
KBC_SCANOUT12
13
KBC_SCANOUT14
15
KBC_SCANIN0
17
KBC_SCANIN2
19
KBC_SCANIN4
21
KBC_SCANIN6
23
NO_STUFF_24Pin_ZIF-HDR
Scan Matrix Key Board
9,17,20,21,24,31,32,35,36,37,38,41,42
+V5S
3
RP5A
4.7K
FB9C
60OHM@100MHZ
GP_CLK
3
3
CP1C
47PF
6
+V5S 9,17,20,21,24,31,32,35,36,37,38,41,42
RP2D
4.7K
2
FB13
60ohm@100MHz
KBD_CLK
1
2
1
CP1A
47PF
8
9,17,20,21,24,31,32,35,36,37,38,41,42
+V5S
RP2A
4.7K
1
MOUSE_CLK
2
CP1B
47PF
7
A
B
KBC_SCANOUT1
2
KBC_SCANOUT3
4
KBC_SCANOUT5
6
KBC_SCANOUT7
8
KBC_SCANOUT9
10
KBC_SCANOUT11
12
KBC_SCANOUT13
14
KBC_SCANOUT15
16
KBC_SCANIN1
18
KBC_SCANIN3
20
KBC_SCANIN5
22
KBC_SCANIN7
24
KBC_SCANIN[7:0]
9,17,20,21,24,31,32,35,36,37,38,41,42
+V5S
RT1
1.1A
6
1
FB12
31Ohm@100MHz
2
9,17,20,21,24,31,32,35,36,37,38,41,42
L_PS2_PWR
J2
L_GPCLK
6
4
2
L_KBD_CLK
L_KBD_DATA
5
1
13
3
14
15
16
17
10
12
8
9,17,20,21,24,31,32,35,36,37,38,41,42
11
7
9
DUAL_PS2
FB14
60ohm@100MHz
1
2
B
C
9,17,20,21,24,31,32,35,36,37,38,41,42
KBC_SCANOUT[15:0] 29
CBTD has integrated
diode for 5V to 3.3V
voltage translation
U10
3
29
KBC_GP_DATA
1A1
VCC
4
29
KBC_GP_CLK
1A2
7
29
KBC_MOUSE_DATA
1A3
1B1
8
29
KBC_MOUSE_CLK
1A4
1B2
11
29
KBC_KB_DATA
1A5
1B3
1B4
14
29
KBC_KB_CLK
2A1
1B5
17
15
H_A20GATE
2A2
18
2A3
2B1
21
2A4
2B2
22
2A5
2B3
2B4
2B5
OE#_PS2
1
1OE#
13
2OE#
GND
29
Bus-Switch-74CBT3384
R16
100
9,17,20,21,24,31,32,35,36,37,38,41,42
+V5S
FB2
60ohm@100MHz
L_GPDATA
1
2
+V5S
RP2C
4.7K
FB1
60ohm@100MHz
KBD_DATA
1
2
C10
47pF
+V5S
RP5C
4.7K
FB11
60ohm@100MHz
MOUSE_DATA
1
2
4
CP1D
47PF
5
C
D
+V5S
C21
0.1UF
24
GP_DATA
2
GP_CLK
5
MOUSE_DATA
6
MOUSE_CLK
9
KBD_DATA
10
KBD_CLK
15
16
KBC_A20GATE 29,34
19
20
5,9,10,14,15,17,18,20,23,28,30,31,32,36,37,38,41,42
23
12
RP48C
3
8.2K
5,9,16,17,18,19,20,24,25,26,29,34,36,41
+V3.3ALWAYS
RP35D
4
RP56A
1
RP56B
2
RP56D
4
RP69A
1
RP49B
2
RP49C
3
RP2B
4.7K
R12
GP_DATA
C11
47pF
9,17,20,21,24,31,32,35,36,37,38,41,42
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.
Title
Keyboard and Mouse Connectors
Size
Project:
A
855PM Platform
Date:
Monday, February 24, 2003
D
E
+V3.3S
6
10K
5
SMC_EXTSMI# 16,29,31,34
10K
8
SMC_RUNTIME_SCI# 16,29,34
10K
7
SMC_WAKE_SCI# 16,29,34
10K
5
PM_BATLOW# 16,29,34
10K
8
SMB_SB_DATA 29,34,41
10K
7
SMB_SB_CLK 29,34,41
10K
6
SMB_SB_ALRT# 29,34,41
10K
DOCK_INTR# 21,29,34
+V5S
C29
C30
22UF
0.1UF
Document Number
Rev
Sheet
33
of
47
E
4
3
2
1

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