Serial port and header, Intel, Serial ports – Intel 815 User Manual
Page 194
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
PLACE CLOSE TO HEADER
PLACE CLOSE TO HEADER
2ND COM Header Option
NOTE: If Wake from S3 on
Serial Modem is not supported
do not stuff CR15 and Q10.
Serial Port and Header
If not populated at all, remove CR14
and short RI#0_C to RI#CR
INTEL(R) 82815 CHIPSET CUSTOMER REFERENCE BOARD
SERIAL PORTS
40
1.0
3-26-01
21
Platform Apps Engineering
1900 Prairie City Road
Folsom, CA 95630
REV.
R
Last Revision Date:
Sheet:
of
Title:
intel
RTS0_C
DCD#1_C
RXD#1_C
DSR#1_C
DTR#1_C
TXD#1_C
CTS#1_C
RTS#1_C
RI#1_C
ICHRI#_C
RI#_CR_C
DSR0_C
RI0_C
DTR0_C
RXD0_C
TXD0_C
DCD0_C
CTS0_C
DCD#0
15
RXD#0
15
DSR#0
15
DTR#0
15
TXD0
15
CTS#0
15
RTS#0
15
RI#0
15
DCD#1
15
RXD#1
15
DSR#1
15
DTR#1
15
CTS#1
15
TXD1
15
RTS#1
15
RI#1
15
ICH_RI#
13
VCC3SBY
VCC5
VCC12-
VCC12
VCC12-
VCC12
VCC5
C189
100PF
1
2
J22
1
2
3
4
5
6
7
8
9
10
Q16
2N7002LT1
1
2
3
1
2
3
U23
GD75232
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
VCC12
RA0
RA1
RA2
DY0
DY1
RA3
DY2
RA4
VCC-12
GND
RY4
DA2
RY3
DA1
DA0
RY2
RY1
RY0
VCC
C179
100PF
1
2
C181
100PF
1
2
C184
100PF
1
2
C186
100PF
1
2
C352
100PF
1
2
C174
100PF
1
2
C173
100PF
1
2
C118
100PF
1
2
C346
100PF
1
2
C350
100PF
1
2
C348
100PF
1
2
C347
100PF
1
2
C398
1.0UF
1
2
C353
100PF
1
2
C351
100PF
1
2
C344
100PF
1
2
CRa8
1
2
R276
10K
1
2
R278
47K
1
2
R277
47K
1
2
DB9
J7A
1
2
3
4
5
6
7
8
9
U5
GD75232
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
VCC12
RA0
RA1
RA2
DY0
DY1
RA3
DY2
RA4
VCC-12
GND
RY4
DA2
RY3
DA1
DA0
RY2
RY1
RY0
VCC
BAT54C
1
2