IBM Power 780 Technical Overview And Introduction page 54

Figure 2-1 shows the logical system diagram of the 4-socket Power 770 and Power 780.
DRAM DRAM
DRAM DRAM
DRAM 8 SN DIMMs DRAM
DRAM DRAM
SN SN
DRAM DRAM
DRAM DRAM
DRAM DRAM
DRAM DRAM
DRAM DRAM
4 socket CPU Card
PSI
FSP1 Card
(Drawers 1 & 2)
2 HMC
2 SPCN
D2D Conns
Passthru
Card
(Drawers 3 & 4)
Six PCI-e Gen2 8x Slots
Passthru A Conn
Anchor
Card
Figure 2-1 IBM Power 770 or 780 logical system diagram
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IBM Power 770 and 780 (9117-MMD, 9179-MHD) Technical Overview and Introduction
B Buses
P7+ WXZ Buses
P7+
Mid-Plane
GX ++ Buses
P7IOC P7IOC
(A) (B)
PCI-e
Gen2 8x
BE3
Ethernet
Controller
2x 10 Gb
2x 1 Gb Eth
B Buses
P7+
P7+
GX ++ Buses
I/O Backplane
Write Cache
SAS
Controller
PLX
Serial
Ext SAS
PLX
PCI-X 32
usb2
Serial 2x USB
On-board Ethernet
Op Panel
Card
DRAM DRAM
DRAM DRAM
DRAM 8 SN DIMMs DRAM
DRAM DRAM
SN SN
DRAM DRAM
DRAM DRAM
DRAM DRAM
DRAM DRAM
TPMD
DRAM DRAM
GX++ Slot
GX++ Slot
GX++ Card
I/O Drawer
GX++ Card
P710C
DASD
SAS
EXP
Controller
SAS
EXP
Controller
Write
Media
SATA
DASD Backplane
RAID card