1.2.4 Block Diagrams
Figure 3 is a block diagram of the major functional areas of the D815EEA2 board.
Processor Socket
SDRAM Bus
DIMM
Banks
(3)
DVO
Connector
(Optional)
AGP
Universal
Connector
PCI Slot 1
PCI Slot 2
PCI Slot 3
PCI Slot 4
PCI Slot 5
Hardware
Monitor
indicates connector or socket
Primary/
Secondary IDE
System Bus
815E Chipset
82815
Graphics and
AHA
Memory Controller
Bus
Hub (GMCH)
Digital Video
Output
Video
Bus
AGP Bus
Onboard
Video
PCI Bus
SMBus
Figure 3. Block Diagram for the D815EEA2 Board
ATA-66/100
82801BA
I/O Controller Hub
(ICH2)
LPC I/O
Controller
Analog
AC Link
Network
Product Description
USB
USB Ports 0 and 1
USB Ports 2 and 3
SST 49LF004A
Firmware Hub
(FWH)
LPC
Bus
Diskette Drive
Connector
Serial Port A
Serial Port B
Parallel Port
PS/2 Mouse
PS/2 Keyboard
CD-ROM
Line In
Line Out
Mic In
Codec
Auxiliary Line In
Front Panel
Audio (optional)
Optional
CNR
Connector
Physical
LAN
Layer
Connector
Interface
OM11889
17