HP Compaq dc7800 Series User Manual

Technical Reference Guide www.hp.com 2-15
System Overview
NOTES:
[1] USDT supports 2.5-in. drives only.
[2] USDT supports 1.5 Gb/s drives only.
[3] USDT supports up to 7200-RPM drives only.
[4] Supported by SFF and CMT form factors only.
Table 2-11
Hard Drive Specifications
Parameter 80 GB 160 GB 250 GB [4]
Drive Size 2.5 & 3.5 in.[1] 2.5 & 3.5 in [1] 3.5 in
Interface SATA SATA SATA
Transfer Rate 1.5 & 3.0 Gb/s [2] 1.5 & 3.0 Gb/s [2] 3.0 Gb/s
Drive Protection System
Support?
Yes Yes Yes
Typical Seek Time (w/settling)
Single Track
Average
Full Stroke
0.8 ms
9 ms
17 ms
0.8 ms
9 ms
17 ms
1.0 m s
11 ms
18 ms
Disk Format (logical blocks) 156,301,488 320,173,056 488,397,168
Rotation Speed 5400/7200/
10K RPM [3]
5400/7200/
10K RPM [3]
7200 RPM
Drive Fault Prediction SMART IV SMART IV SMART IV

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