Intel 815 - 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:
int
e
l
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#015
RXD#015
DSR#015
DTR#015
TXD015
CTS#015
RTS#015
RI#015
DCD#115
RXD#115
DSR#115
DTR#115
CTS#115
TXD115
RTS#115
RI#115
ICH_RI#13
VCC3SBY
VCC5 VCC12-
VCC12
VCC12-
VCC12
VCC5
C189
100PF
12
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
1011
12
13
14
15
16
17
18
19
20
VCC12
RA0
RA1
RA2
DY0
DY1
RA3
DY2
RA4
VCC-12GND
RY4
DA2
RY3
DA1
DA0
RY2
RY1
RY0
VCC
C179
100PF
12
C181
100PF
12
C184
100PF
12
C186
100PF
12
C352
100PF
12
C174
100PF
12
C173
100PF
12
C118
100PF
12
C346
100PF
12
C350
100PF
12
C348
100PF
12
C347
100PF
12
C398
1.0UF
12
C353
100PF
12
C351
100PF
12
C344
100PF
12
CRa8
12
R276
10K
12
R278
47K
12
R277
47K
12
DB9
J7A
1
2
3
4
5
6
7
8
9
U5
GD75232
1
2
3
4
5
6
7
8
9
1011
12
13
14
15
16
17
18
19
20
VCC12
RA0
RA1
RA2
DY0
DY1
RA3
DY2
RA4
VCC-12GND
RY4
DA2
RY3
DA1
DA0
RY2
RY1
RY0
VCC
BAT54C
12