1-8
X6DH8-XB/X6DHE-XB
User's
Manual
Figure 1-9. Block Diagram of the E7520 (Lindenhurst) Chipset
Note:
This is a general block diagram. Please see the previous Motherboard Features
pages for details on the features of each motherboard.
MCH
Xeon EM64T PROCESSOR#2
VRM
CLOCK
ADD
R
CTR
L
DAT
A
Xeon EM64T PROCESSOR#1
ADD
R
CTR
L
DAT
A
DATA
ADD
R
CTRL
ICH5R
HUB
DDR-333
PCI BUS(32-BIT)
DIMMs
IDE
PRI/SEC
UDMA/100
VGA
DIMMs
0, 1
SATA
SATA
LPC BUS
USB
USB PORT
0,1,2,
BMC CON.
FWH
LPC I/O
Mouse
Floppy
H/W
COM1
COM2
Keyboard
MONITOR
4 DDR - 333
4 DDR - 333
DDR-333
PCI EXP. A
X8
A
X4
PXH
#1
B
ZCR
U24
U4E1
U6
CPU1
CPU2
U16
X3P1
U10
PCI-X BUS(100 MHZ)
PCI-X BUS(133 MHZ)
A
PXH
#2
U62
IDSEL:PXH2_ PBAD17
PCI6
1 PCI-X
SLOT
SLOT
1 PCI-X
PCI4
IDSEL:PXH1_ PAAD17
IDSEL:PXH2_ PAAD17
SLOT
PCI1
IDSEL:PXH2_ PAAD18
PCI-X BUS(100 MHZ)
PCI2
1 PCI-X
1 PCI-X
SLOT
PCI3
SLOT
IDSEL:PXH2_ PBAD17
1 PCI-X
PCI-X BUS(133 MHZ)
SCSI
UA24
*IDSEL:PXH1_ PAAD18
AIC7902W
IDSEL:PXH1_ PAAD19
SLOT
1 PCI-X
PCI5
Gbit LAN
IDSEL:?
BCM5721
Gbit LAN
IDSEL: ?
PCI-EXPx1
PCI-EXPx1
BCM5721
PCI-EXPx1 Pair0
X8
PCI EXP. B
PCI EXP. C [0..3] X4
B
PCI-EXP
PCIE1
X4
PCI EXP. C [ 4..7]
3,4,5
PCI-EXPx1 Pair4