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ICE Module
Page 76
4.12.3 LPC SuperIO for Legacy IO Support
Some COM Express modules utilize BIOS that contains built-in support for an external
Winbond W83627HG LPC Super I/O controller that can be implemented on the carrier
board (
http://www.winbond-usa.com). The base address for this Super I/O should be
0x2E to be sure that the legacy devices can be initialized by the BIOS. The
implementation of this device on the COM Express carrier board will provide legacy
interfaces such as PS/2 keyboard/mouse, floppy port, two serial ports (COM1 and
COM2) and one parallel port (LPT1). The other functions of this Super I/O controller
are not supported.
WAKE_UP#3
PCI _RST#3,5, 6,7,8,10,14
+VBAT
C134
0.1U_4_Y _16V
2
1
LPT_SLIN# 15
LPT_PE 15
LPT_AFD# 15
LPT_BUSY 15
LPT_ACK# 15
LPT_STB# 15
LPT_INIT# 15
LPT_ERR# 15
R175 @0_41 2
KB_RST# 3
KB_A20GATE 3
C136
0.1U _4_X_10V
2
1
C135
0.1U _4_X_10V
2
1
C137
0.1U _4_X_10V
2
1
C139
0.1U _4_X_10V
2
1
C138
0.1U _4_X_10V
2
1
+V3. 3
D-
+V5
UART_TX2
UART_RX2
IR CONNECTOR
IR1
IR _5X1_2.54
1
3
4
5
2
C260
0.1U _4_Y _16V
FDD_WE#15
FDD_HEAD#15
FDD_RWC#15
FDD_DIR#15
FDD_STEP#15
FDD_WD#15
FD D_D SA#15
FDD_RDATA#15
FDD_DSKCHG#15
FDD_MOA#15
FDD_INDEX#15
FD D_TRAC K0#15
FDD_WP#15
+V3.3
LPC_FRAME#3,5, 11, 14,20
LPC_AD 03,5,11,14,20
LPC_AD 23,5,11,14,20
LPC_DRQ#03, 11
LPC_AD 13,5,11,14,20
LPC_AD 33,5,11,14,20
CLK33M_LPC3
R180 4.7K
Y1
OSC48MHZ _SMD
EN
1
GND
2
VDD
4
OUT
3
HM_VREF
VTIN3
+5VIN
+3.3VIN
+12VIN
VIN 1
VIN 2
MINICAR D_DI SABLE# 5
D+
R174 10K_4
SIO_DOUT0
SIO_DOUT2
SIO_DOUT1
SIO_DIN 0
SIO_DIN 2
SIO_DIN 3
SIO_DIN 1
LPT_PD3
LPT_PD0
LPT_PD2
LPT_PD4
FAN_IO120
FAN_PWM220
FAN_IO220
CASEOPEN#
FAN_PWM120
LPT_PD6
LPT_PD1
LPT_PD7
IOAVCC
LPT_PD5
CLK48M_SIO1
SIO_SMI-
R179 33_412
+V3.3_D UAL
PM_PWRBTN# 3
PM_SLP_S3# 3
SERI RQ3,11,14
PANSWIN 21
+V3. 3_D U AL
PS_ON# 21, 23
PWROK_SIO 3
W83627EHG
U13
W83627EHG_PQFP128
D
R
V
D
E
N
0
1
G
P
2
3
/
S
C
K
2
I
N
D
E
X
3
M
O
A
4
GP10/GPSA1
128
CPUTIN
103
SYSTIN
104
VID 5
105
VID 4
106
VID 3
107
VID 2
108
VID 1
109
VID 0
110
AUXFANIN0
111
CPUFANIN0
112
SYSFANIN
113
AVCC3
114
CPUFANOUT0
115
SYSFANOUT
116
AGND
117
BEEP/SI
118
GP21/CPU FANIN 1/MSI
119
GP20/CPUF ANOUT1/MSO
120
GP17/GPSA2
121
GP16/GPSB2
122
GP15/GPY1
123
GP14/GPY2
124
GP13/GPX2
125
GP12/GPX1
126
GP11/GPSB1
127
H
M
_
S
M
I
/
O
V
T
5
D
S
A
6
A
U
X
F
A
N
O
U
T
0
7
D
I
R
8
S
T
E
P
9
W
D
1
0
W
E
1
1
V
C
C
3
_
1
1
2
T
R
A
K
0
1
3
W
P
1
4
R
D
A
T
A
1
5
H
E
A
D
1
6
D
S
K
C
H
G
1
7
I
O
C
L
K
1
8
G
P
2
2
/
S
C
E
1
9
V
S
S
_
1
2
0
P
C
I
C
L
K
2
1
L
D
R
Q
2
2
S
E
R
I
R
Q
2
3
L
A
D
3
2
4
L
A
D
2
2
5
L
A
D
1
2
6
L
A
D
0
2
7
V
C
C
3
_
2
2
8
L
F
R
A
M
E
2
9
L
R
E
S
E
T
3
0
S
L
C
T
3
1
P
E
3
2
B
U
S
Y
3
3
A
C
K
3
4
P
D
7
3
5
P
D
6
3
6
P
D
5
3
7
P
D
4
3
8
PD3
39
PD2
40
PD1
41
PD0
42
SLIN
43
INIT
44
ERR
45
AFD
46
STB
47
VCC 3_3
48
CTSA/GP67
49
DSRA/GP66
50
RTSA/GP65/HEF RAS
51
DTRA/GP64/PENROM
52
SINA/GP63
53
SOUTA/GP62/PENKBC
54
VSS_2
55
DCDA/GP61
56
RIA/GP60
57
SO/AUXFANIN1
58
GA20M
59
KBRST
60
3VSB
61
KCLK/GP27
62
KDAT/GP26
63
GP37
64
M
C
L
K
6
5
M
D
A
T
/
G
P
2
4
6
6
P
S
O
U
T
/
G
P
5
7
6
7
P
S
I
N
/
G
P
5
6
6
8
G
P
3
6
6
9
G
P
5
5
/
S
U
S
L
E
D
7
0
P
W
R
O
K
/
G
P
5
4
7
1
P
S
O
N
/
G
P
5
3
7
2
S
U
S
B
/
G
P
5
2
7
3
V
B
A
T
7
4
R
S
M
R
S
T
/
G
P
5
1
7
5
C
A
S
E
O
P
E
N
7
6
G
P
5
0
/
W
D
T
O
/
E
N
_
V
R
M
1
0
7
7
C
T
S
B
/
G
P
4
7
7
8
D
S
R
B
/
G
P
4
6
7
9
R
T
S
B
/
G
P
4
5
8
0
D
T
R
B
/
G
P
4
4
8
1
S
I
N
B
/
I
R
R
X
8
2
S
O
U
T
B
/
I
R
T
X
8
3
D
C
D
B
/
G
P
4
1
8
4
R
I
B
/
G
P
4
0
8
5
P
M
E
8
6
G
P
3
5
8
7
G
P
3
4
/
R
S
T
O
U
T
4
8
8
S
D
A
/
G
P
3
3
/
R
S
T
O
U
T
3
8
9
S
C
L
/
G
P
3
2
/
R
S
T
O
U
T
2
9
0
G
P
3
1
9
1
G
P
3
0
9
2
R
S
T
O
U
T
1
9
3
R
S
T
O
U
T
0
9
4
V
I
N
4
9
5
V
I
N
3
9
6
V
I
N
2
9
7
V
I
N
1
9
8
V
I
N
0
9
9
C
P
U
V
C
O
R
E
1
0
0
V
R
E
F
1
0
1
A
U
X
T
I
N
1
0
2
WDTO : 6F02
DIO in : 6F08
DIO out : 6F09
SIO_DOUT3
LPT_SLCT 15
+V3. 3
+V5 +V3. 3
R177 1K_4_1%
R176 4.7K_4
SIO_WDT# 21
SUS_LED
R178
10K_4
+V3. 3_D U AL
+V3. 3
R173 10M_4
UAR T_DSR#1 15
UAR T_RX1 15
UAR T_DCD#1 15
UAR T_CTS#1 15
UAR T_DTR#1 15
UAR T_TX1 15
UART_RI#1 15
UAR T_RTS#1 15
UART_RX216
UART_DCD#216
UAR T_CTS#216
UART_DTR#216
UART_TX216
UAR T_DSR#216
UART_RI#216
UAR T_RTS#216
+VBAT
LPT_PD[7..0] 15
LPT_PD[7..0]
VTIN1
KB_CLK# 15
MS_ DA T# 15
MS_CLK# 15
KB_DAT# 15
Figure 4-35: Windbond W83627EHG Reference Design
4.12.3.1 Keyboard/Mouse
The following figures display reference circuitries for the legacy I/O interfaces such as
PS/2 keyboard/mouse, RS-232 serial port, parallel port and floppy port connected to
the Winbond W83627HG Super I/O controller. The PS/2 connector has to be powered
- ICE Module 1
- Revision 2
- Copyright 3
- Table of Contents 4
- List of Figures 9
- List of Tables 12
- 1 Introduction 14
- 1.1 Introduction 15
- 1.3 Reference Documents 17
- 2 ICE Module Overview 18
- 2.1 Chapter Overview 19
- 2.2 ICE Specifications 20
- 2.2.1 ICE-9152-R10 21
- Page 16 29
- 2.2.5 ICE-GM45A-R10 29
- 2.2.6 ICE-DB-9S-R10 30
- 2.3 Performance 32
- 3 Pin Assignments 33
- 3.1 Chapter Overview 34
- 3.3 Signal Table Terminology 36
- Page 24 37
- 4 Signal Description and 42
- Routing Guideline 42
- Page 30 43
- 4.1.1 Signal Description 43
- 4.1.3 SDVO 46
- AC Coupling Cap 50
- 4.2 PCI Express 51
- 4.2.1 Signal Description 52
- VCC1.5/1A 54
- Page 42 55
- 4.3 PCI 60
- 4.4.1 Signal Description 64
- Page 54 67
- 4.5.1 Signal Description 67
- from Semtech 72
- 4.6 LVDS 74
- 3.3V(Default) 75
- J_VLVDS1 75
- 4.8 Reference Circuit 78
- 4.9 IDE 79
- IDE Connector 80
- CF Connector 81
- 4.10 TV-Out 82
- +V5_KB_R +V5_KB_RR 90
- 4.13 VGA 92
- 4.14 Miscellaneous 95
- CPU FAN W/FAN Control 97
- SYSTEM FAN W/FAN Control 97
- CLEAR CMOS/Super CAP 98
- 5 PCB Stack and 99
- Power Deliver Design 99
- 5.1 Chapter Overview 100
- 5.2 Microstrip or Stripline 100
- 5.3 PCB Stackup Example 100
- Page 90 103
- T0 T1 T2 T3 T4 T5 T6 T7 T8 105
- AT Power 106
- T0 T1 T2 T3 T4 T5 T6 107
- Chapter 108
- 6.1 Chapter Overview 109
- 6.3 Connector Footprint 111
- 6.4 COM Express Form Factors 112
- 6.5 Heat Spread 113
- Page 101 114
- 6.6 Design Notes 116
- Page 104 117
- A ICE Module Design 120
- Schematic Check List 120
- Page 108 121
- Page 109 122
- Page 110 123
- Page 111 124
- Page 112 125
- B Application Notes 129
- B.1 Terminology 130
- B.2 Updating BIOS Version 130
- Page 119 132
- Page 120 133
- Page 121 134
- 6.7.2 Using DOS Command 134
- Page 122 135
- A.1 RTC Overview 136
- B Reference Carrier 137
- Board Schematic 137
- PCI ROUTING 138
- Cover Page 138
- ATX/AT Power 139
- COMExpress 139
- F119 ICE-DB-9S-R10 140
- IEI ELECTRONICS INC 140
- PCI Clock Buffer 141
- PCIE Clock Buffer 141
- Mini PCI Express 142
- Express Card 142
- PCIEX1_Slot1 142
- PCIEX1_Slot2 142
- D23, REQ#0,GNT#0,INT#AB 145
- 7-Segment LED with Common GND 146
- PCIEX1_Slot3 147
- PCIEX1_Slot4 147
- W83627EHG 150
- FLOPPY(only Device A) 152
- Front_Audio 155
- CD_IN(Reserve) 155
- Audio Rear Jack 156
- Audio Rear Header 156
- SPDIF Connector(Reserve) 156
- COM Module 159
- Express Card Module 159
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