HP Compaq dc7800 Series

Technical Reference Guide www.hp.com 2-5
System Overview
Figure 2-2. HP Comapq dc7800 Business PC Architecture, Block diagram
Parallel I/F [2]
Intel
Processor
Q35 Chipset
Q35
82801
GMCH
SDRAM
Cntlr
PCIe
PEG I/F [2]
PCI Express
ICH9
SATA
I/F
USB
I/F
Ch A DDR2
SDRAM
Ch B DDR2
SDRAM
SCH5327
I/O Cntlr.
Graphics
Cntlr.
RGB
Hard Drive
USB Ports [5]
Serial I/F [2]
Diskette I/F [2]
Kybd-Mouse I/F
x16 slot (PEG)[2]
PCIe x1 slots [4]
SATA
AD1884
Subsystem
Optical
PCI 2.3 slots [3]
Keyboard
NIC
I/F
Mouse
Diskette [2]
Audio I/F
LPC I/F
PCI Cntlr.
DMI
DMI
Power Supply
Notes:
[3] 0 slots in USDT, 1 or 2 slots in SFF, 3 slots in CMT
SATA-
-to
-PATA
Bridge [1]
Drive
Integrated
Audio
[4] 1 MiniCard slot in USDT, 2 slots in SFF, 2 slots in CMT
Analog
Monitor
Digital
Monitor [1]
DVI
[1] USDT only
[2] SFF and CMT only
[5] 8 ports accessible externally, 2 ports accessible internally
800/1066/1333-MHz FSB