Intel D845PEBT2 Product Specification - Page 61

Add-in Board and Peripheral Interface Connectors

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Technical Reference 2.8.2.3 Add-in Board and Peripheral Interface Connectors Figure 14 shows the location of the add-in board and peripheral connectors for the Desktop Board D845PEBT2. Note the following considerations for the PCI bus connectors: • All of the PCI bus connectors are bus master capable. • The SMBus is routed to PCI bus connector 1 or 2 depending on the board's AA number labeled on the board's front right corner (see section 2.8.2.1 on page 57). This enables PCI bus add-in boards with SMBus support to access sensor data on the Desktop Board D845PEBT2. The specific SMBus signals are as follows:  The SMBus clock line is connected to pin A40  The SMBus data line is connected to pin A41 A B C DE F G H 1 4 7 1 2 1 7 1 39 40 1 2 1 2 1 39 1 40 2 2 1 40 39 40 39 34 33 PO NM L K JI Item A B C D E Description CNR (optional) PCI bus connector 5 PCI bus connector 4 ATAPI-style CD-ROM PCI bus connector 3 F PCI bus connector 2 G PCI bus connector 1 H AGP For more information see: Table 36 Table 37 Table 39 Table 37 Table 37 Table 37 Table 37 Table 38 Item I J K L M N O P Description Secondary IDE [white] Primary IDE [black] Diskette drive SCSI LED Secondary IDE RAID [blue] (optional) Primary IDE RAID [blue] (optional) Primary SATA/SATA RAID (optional) Secondary SATA/SATA RAID (optional) OM15034 For more information see: Table 41 Table 41 Table 40 Table 42 Table 43 Table 43 Table 44 Table 44 Figure 14. D845PEBT2 Add-in Board and Peripheral Interface Connectors 61

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Technical Reference
61
2.8.2.3
Add-in Board and Peripheral Interface Connectors
Figure 14 shows the location of the add-in board and peripheral connectors for the Desktop Board
D845PEBT2.
Note the following considerations for the PCI bus connectors:
•
All of the PCI bus connectors are bus master capable.
•
The SMBus is routed to PCI bus connector 1 or 2 depending on the board
’
s AA number labeled
on the board
’
s front right corner (see section 2.8.2.1 on page 57).
This enables PCI bus add-in
boards with SMBus support to access sensor data on the Desktop Board D845PEBT2.
The
specific SMBus signals are as follows:
The SMBus clock line is connected to pin A40
The SMBus data line is connected to pin A41
1
2
33
34
1
2
40
39
1
2
40
39
I
J
K
L
P
O
1
4
1
7
1
A
B
C
E
G
D
OM15034
H
F
1
7
1
2
40
39
1
2
40
39
M
N
Item
Description
For more
information
see:
Item
Description
For more
information
see:
A
CNR (optional)
Table 36
I
Secondary IDE [white]
Table 41
B
PCI bus connector 5
Table 37
J
Primary IDE [black]
Table 41
C
PCI bus connector 4
Table 39
K
Diskette drive
Table 40
D
ATAPI-style CD-ROM
Table 37
L
SCSI LED
Table 42
E
PCI bus connector 3
Table 37
M
Secondary IDE RAID [blue]
(optional)
Table 43
F
PCI bus connector 2
Table 37
N
Primary IDE RAID [blue]
(optional)
Table 43
G
PCI bus connector 1
Table 37
O
Primary SATA/SATA RAID
(optional)
Table 44
H
AGP
Table 38
P
Secondary SATA/SATA RAID
(optional)
Table 44
Figure 14.
D845PEBT2 Add-in Board and Peripheral Interface Connectors