HP Compaq dc7800 Series User Manual

Technical Reference Guide www.hp.com 2-3
System Overview
Table 2-1 shows the differences in features between the different PC series based on form factor:
NOTES:
[1] 2nd serial port requires optional cable/bracket assembly.
[2] PCIe Mini Card slot.
[3] Supports low-profile card in standard configuration. Not accessible if PCI riser card field option
is installed.
[4] Accepts low-profile, reversed-layout ADD2/SDVO PCIe card: height = 2.5 in., length = 6.6 in.
[5] Accepts reversed layout ADD2/SDVO card: height = 4.2 in., length = 10.5 in.
[6] Full-height PCI slots require installation of PCI riser card field option (full-height dimensions: height
= 4.2 in., length = 6.875 in).
Table 2-1
Feature Difference Matrix by Form Factor
USDT SFF CMT
Memory:
# & type of sockets
Maximum memory
2 SODIMM
4GB
4 DIMM
8GB
4 DIMM
8GB
Serial ports 0 1 std., 1 opt. [1] 1 std., 1 opt. [1]
Parallel ports 0 1 1
DVI-D graphics port 1 0 0
Drive bays:
Externally accessible
Internal
1
1
2
1
4
2
PCIe slots:
x16 graphics
x1
0
1 [2]
1 [3] [4]
2 [3]
1 [5]
2
PCI 2.3 32-bit 5-V slots 0 1 half-height
or
2 full-height [6]
3
full-height
Power Supply Unit:
Module type
Power rating
external
135 - w a t t
internal
240-watt
internal
365-watt

HP Compaq dc7800 Series Specifications

General

Processor	Intel Core 2 Duo, Intel Pentium Dual-Core, Intel Celeron
Chipset	Intel Q35 Express
Memory	Up to 8 GB DDR2 SDRAM
Audio	Integrated High Definition Audio
Form Factor	Ultra-slim desktop, Small form factor, Convertible minitower
Storage	80GB to 500GB SATA HDD
Graphics	Integrated Intel Graphics Media Accelerator 3100
Optical Drive	DVD-ROM, DVD+/-RW
Network	Integrated Gigabit Network Connection
Ports	USB 2.0, VGA, serial, parallel, audio in/out
Operating System	Windows Vista, Windows XP, FreeDOS
Expansion Slots	1 low-profile PCI, 1 low-profile PCI Express x16
Power Supply	240W