Hypertherm D845GEBV2 - Manual (Page 17)

Product Description
17
1.2.4 Block Diagrams
Figure 4 is a block diagram of the major functional areas of the Desktop Boards D845GEBV2 and
D845GERG2. See Figure 7 on page 33 for USB port routing.
Intel 845GE Chipset
Intel 82801DB
I/O Controller Hub
(ICH4)
Intel 82845GE
Graphics and
Memory Controller
Hub (GMCH)
4 Mbit
Firmware Hub
(FWH)
AHA
Bus
System Bus
(400/533 MHz)
mPGA478
Processor Socket
Primary/
Secondary IDE
Diskette Drive
Connector
LPC Bus
I/O
Controller
PS/2 Keyboard
PS/2 Mouse
Parallel Port
Serial Ports
UDMA 33 and
ATA-66/100
LPC
Bus
Hardware
Management
ASIC
OM14831
AD1981B
Audio Codec
Auxiliary Line In
Mic In
Line Out
CD-ROM
Line In
CNR
Connector
(Optional)
LAN
Connector
(Optional)
Physical
Layer
Interface
(Optional)
CSMA/CD
Unit Interface
DIMM Banks (2)
AGP
Interface
4X AGP
Connector
(1.5 V only)
= connector or socket
PCI Bus
SMBus
AC Link
Back Panel/
Front Panel
USB Ports
USB
Memory Bus
SMBus
D845GEBV2
Only
PCI Slot 1
PCI Slot 2
PCI Slot 3
PCI Slot 4
PCI Slot 5
PCI Slot 6
VGA
Port
Display
Interface
SMBus
Figure 4. Block Diagram