Intel VC820 - Desktop Board Motherboard Design Manual page 227

8 7
IDE Connectors
PDD[15:0]
11
D
PCIRST_BUF#
24
PDD7
VCC5
PDD6
PDD5
PDD4
PDD3
PDD2
PDD1
PDD0
PDREQ
11
11
11
PIORDY
11
PDDACK#
11
IRQ14
10,34
PDA1
PDA0
C
11
20
PDA2
11 PDA[2:0]
B
A
8 7
6
Primary IDE
J22
R333
PCIRST#_RP 1 2
33 3 4 PDD8
5 6 PDD9
7 8 PDD10
9 10 PDD11
11 12 PDD12
13 14 PDD13
15 16 PDD14
17 18 PDD15
19 20
21 22
PDIOW# 23 24
PDIOR# 25 26
27 28 IDE_JP
29 30
31 32
33 34
35 36
PDCS#1 37 38 PDCS#3
IDEACTP# 39 40
For drive side detection, stuff C329,C318.
For host side detection, no stuff C329,C318.
P66DETECT and S66DETECT can be connected to a GPI for BIOS cable detection.
6
5 4
SDD[15:0]
11
PCIRST_BUF#
24
SDREQ
11
SIORDY
11
P66DETECT 12
11
C329
0.047UF
11
8,10,12,13,14,18,21,22,23
5 4
3 2
Secondary IDE
R318
PCIRST#_RS 1
SDD7 33 3
VCC5
SDD6 5
SDD5 7
SDD4 9
SDD3 11
SDD2 13
SDD1 15
SDD0 17
19
21
SDIOW# 23
11
SDIOR# 25
11
27
SDDACK# 29
11
IRQ15 31
10,34
SDA1 33
SDA0 35
SDCS#1 37
11
IDEACTS# 39
20
SDA2
SDA[2:0]
VCC3_3
VCC3_3
8.2K
U19
VCC
PCIRST# 5 6 PCIRST_BUF#
GND
SN74LVC07A
TITLE: INTEL(R) 820 CHIPSET DUAL PROCESSOR CUSTOMER REFERENCE BOARD
IDE CONNECTORS
PCD PLATFORM DESIGN
R
1900 PRAIRIE CITY ROAD
FOLSOM, CALIFORNIA 95630
3 2
1
J21
D
2
4 SDD8
6 SDD9
8 SDD10
10 SDD11
12 SDD12
14 SDD13
16 SDD14
18 SDD15
20
22
24
26
28 IDE_JS
30
32
34 S66DETECT 12
36
38 SDCS#3
11
C
40
C318
0.047UF
B
24
A
REV:
3.03
DRAWN BY: PROJECT:
LAST REVISED: SHEET:
11-29-1999_14:46 24 OF 38
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