HP Compaq dc7100 DT User Manual

Service Reference Guide, dc7100 361288-003 4–9
Serial and Parallel ATA Drive Guidelines and Features
Example 2: Four-Device Installation Sample
A system has four devices: two Ultra ATA-100 hard drives, one DVD-CDR/W drive, and a
ZIP-250 drive. Using the Device Class Table in Section 4.3.1, the devices may be reidentified as:
■ Ultra ATA-100 hard drive = Class 1
■ Ultra ATA-100 hard drive = Class 1
■ DVD-CDR/W drive = Class 2
■ ZIP-250 drive = Class 4
*If there are three or more devices, two or more of which are hard drives, two hard drives should
be attached to the primary channel first before following the General Attach Sequence Rule.
✎
Cable lengths may restrict drive usage.
4.3.4 PATA Additional Drive Application Notes
■ When replacing a hard drive, the replacement should be of the same type (Ultra ATA -33,
-66, or -100) as that being removed to retain the same level of performance.
■ When Ultra ATA and SCSI hard drives are mixed in the same system, the Ultra ATA drive
will become the boot drive unless the boot order is changed in Computer (F10) Setup.
Attach Sequence Worksheet—Four-Device Installation (Sample)
Device Name
Device
Class
Position
Number
Channel
Name
Device
Number
Ultra ATA-100 hard drive 1 1 Primary 0
DVD-CDR/W drive 2 2 Secondary 0
ZIP-250 drive 4 3 Secondary 1
Ultra ATA-100 hard
drive*
1 4 Primary 1
1
2
4
3
Primary
Channel*
41
Secondary
Channel
32
Device 1 Device 0

HP Compaq dc7100 DT Specifications

General

Processor Speed	Up to 3.8 GHz
Chipset	Intel 915G
Memory	Up to 4 GB DDR2 SDRAM
Operating System	Windows XP Professional
Form Factor	Desktop
Processor	Intel Pentium 4
Storage	40 GB to 160 GB SATA
Graphics	ATI Radeon X300 SE
Optical Drive	DVD-ROM
Audio	Integrated audio
Network	Integrated Gigabit Ethernet
Expansion Slots	1 PCI Express x16
Ports	1 Parallel, 1 Serial, 2 PS/2, 1 VGA