Add-In Board And Peripheral Interface Connectors (Desktop Board D850Emd2) - Intel BOXD850EMD2L - 850E 478PIN MAX-2GB UATX 3PCI Specifications

2.8.2.4 Add-in Board and Peripheral Interface Connectors
Figure 15 and Figure 16 show the locations of the add-in board connectors and peripheral
connectors for the desktop boards D850EMD2 and D850EMV2, respectively. Note the following
considerations for the PCI bus connectors:
•
All of the PCI bus connectors are bus-master capable.
•
PCI bus connector 2 has SMBus signals routed to it, which enables PCI bus add-in boards with
SMBus support to access sensor data on the board. 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
Item Description
A CNR (optional)
B PCI bus connector 3
C PCI bus connector 2
D PCI bus connector 1
E AGP connector
F Diskette drive
G Primary IDE
H Secondary IDE
I SCSI hard drive activity LED
Figure 15. Add-in Board and Peripheral Interface Connectors (Desktop Board D850EMD2)
A B C D E
1
2
1
2
1
I H
40
39
40
2 34
1 33
39
G F
For more information see:
Table 38, page 65
Table 39, page 66
Table 39, page 66
Table 39, page 66
Table 40, page 67
Table 41, page 68
Table 42, page 69
Table 42, page 69
Table 43, page 69
Technical Reference
OM14446
63