Chapter 1: Introduction

1-11

Figure 1-9. Block Diagram of the E8501 Chipset

Note: This is a general block diagram. Please see the previous Motherboard Features

pages for details on the features of each motherboard.

CPU3
PROCESSOR#4
ADDR
CTRL
DATA
PROCESSOR#3
CPU4
CPU1
CPU2
PROCESSOR#2
ADDR
CTRL
DATA
PROCESSOR#1
SLOT
1 PCI-X

PCI4

PCI-X BUS(133 MHZ)
PCI-X BUS(133 MHZ)
Gbit LAN

Ophir

82571EB

X4PCI EXP. D
XMB
XMB
DDRII-400
DDRII-400
DIMMs
4 DDRII 400
DIMMs
4 DDRII 400
SLOT
1 PCI-X

PCI3

PCI-X BUS(133 MHZ)
PCI-X BUS(100 MHZ)

AIC7902W

SCSI

ZCR
1 PCI-X
SLOT

PCI1

SLOT
1 PCI-X

PCI2

PCI-EXPx8
SLOT

PCIEXP1

PCI EXP. A(4~7) X4
E8501
XMB
XMB
ICH5R
HUB
PCI BUS(32-BIT)
DDRII-400
IDE
PRI/SEC
UDMA/100

VGA

0, 1
SATA
SATA
LPC BUS
USB
USB PORT

0,1,2,3

BMC CON. FWH
LPC I/O
DDRII-400
A
DIMMs
4 DDRII 400
DIMMs
X8
PCI EXP. C X 8
B
PCI EXP. B
PCI EXP. A(0~3)
A
X4
4 DDRII 400
PXH
#1
B
PCI-EXPx16
SLOT
PXH
#2

PCIEXP2

Mouse Floppy H/WCOM1
COM2
Keyboard
MONITOR
VRM
VRM
VRM
VRM
ADD/DATA/CNTL
ADD/DATA/CNTL
IMI D
IMI C
IMI B
IMI A