Specifications
Chapter 2. Architecture and technical overview 39
Figure 2-2 shows the logical system diagram of the 4-socket Power 780.
Figure 2-2 Four-socket IBM Power 780 logical system diagram
P7-IOC
GX++ SLOT #2
GX++ SLOT #1
PCIe Gen2 x8 (FH/HL) SLOT #5
PCIe Gen2 x8 (FH/HL) SLOT #6
Buffer
DIMM #1
DIMM #2
TPMD
SAS
Controller
Optional
RAID
Exp. Card
HDD1
HDD2
HDD3
HDD4
HDD5
HDD6
DVD
2.9 GHz
SMP
Connector
A
SMP
Connector
B
SMP
Connector
B
SMP
Connector
A
SAS
Controller
SAS
Controller
Optional
RAID
Exp. Card
PCIe Gen2 x8 (FH/HL) SLOT #2
PCIe Gen2 x8 (FH/HL) SLOT #3
PCIe Gen2 x8 (FH/HL) SLOT #4
PCIe Gen2 x8 (FH/HL) SLOT #1
2 x 10 Gbps + 2 x 1 Gbps Ethernet
P7-IOC
Memory Controller
POWER7 Chip 3
6 cores
POWER7 Chip 4
6 cores
2.9 Gbps
POWER7 Chip 1
6 cores
POWER7 Chip 2
6 cores
Memory Controller
Memory Controller
2.46 GHz2.46 GHz
2.46 GHz
2.46 GHz
1.0 GHz
1.0 GHz
2
.
9
G
H
z
2
.
9
G
H
z
Buffer Buffer
DIMM #3
DIMM #4
Buffer
Buffer
DIMM #5
DIMM #6
Buffer Buffer
DIMM #7
DIMM #8
Buffer
Buffer
Buffer Buffer
Buffer
Buffer
Buffer Buffer
Buffer
DIMM #9
DIMM #10
DIMM #11
DIMM #12
DIMM #13
DIMM #14
DIMM #15
DIMM #16
2
.
9
G
H
z
Memory Controller
Memory Controller
USB #1
USB #2
USB Controller
2 System Ports
2 HMC Ports
2 SPCN Ports
VPD Chip
Service
Processor
2.46 GHz (2 * 4 Bytes) 19.712 GBps
136.448 GBps
per socket
136.448 GBps
per socket
136.448 GBps
per socket
136.448 GBps
per socket
2.46 GHz (2 * 4 Bytes) 19.712 GBps
2.46 GHz (2 * 4 Bytes) 19.712 GBps
2.46 GHz (2 * 4 Bytes) 19.712 GBps