Development Kit User’s Guide
October 2008
Order Number: 320067-002US
29
Technical Reference—Intel
®
EP80579 Integrated Processor with Intel
®
QuickAssist Technology
4.3
SMBus Address
Table 11
shows the SMBus device addresses on the Intel
®
EP80579 Development
Board.
Table 10.
Intel
®
EP80579 IA-32 core Frequency Selection
IA-32 core
Maximum
Operating
Frequency
(MHz)
Desired
IA-32 core
Operating
Frequency
(MHz)
J7F2 Jumper
Setting
(V_SEL in
Table 13)
J7G6 Jumper
Setting
(BSEL in
Table 13)
Comments
600
600
Short 2-3
1
Short 2-3
1
Requires a SKU with a 600 MHz IA-
32 core frequency
1066
1066
Short 2-3
1
Short 2-3
1
1200
1066
Short 1-2-3
2
Short 2-3
1
Allows 1200 MHz IA-32 core to run
at 1066 MHz
1200
1200
Short 2-3
1
Short 2-3
1
1.
“Short 2-3” means to use a 2 pin jumper to shunt pins 2-3 together
2.
“Short 1-2-3” means to use a jumper to shunt pins 1-2-3 together
Table 11.
SMBus Connectivity
Devices
Address
Power
Rail
Primary from Intel
®
EP80579
SIO
0x5C
3.3V
EP80579 Processor - IICH slave device
0x44
3.3V
SMBus A
EP80579 Processor - IMCH slave device
0x60
3.3V
DB800
0xDC
3.3V
CK410
0xD2
3.3V
ITP
Master
3.3V
SMBus B
DIMM 0
0xA4
3.3V
DIMM 1
0xA6
3.3V
SMBus C
HSS Mezzanine 0
Determined by card
3.3V
HSS Mezzanine 1
Determined by card
3.3V
HSS Mezzanine 2
Determined by card
3.3V
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from