HP Xw4550 HP xw4550 Workstation - Service and Technical Reference Guide - Page 80

Diskette drive (optional), CAUTION

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4. Connect the power cable to the drive first. This will allow any possible accumulated static electricity to discharge through the ground circuit of the power connector before the drive data circuits are connected. Next, connect the data cable from the drive (1) and system board (2), as shown in the following figure. NOTE: Always connect optical drives to the lowest numbered available SATA port, or immediately following any installed SATA hard drives. It is also important to connect all installed drives (both hard drives and optical drives) beginning at SATA0 and progressing sequentially upward, and leaving no gap between ports SATA0 and SATA3 on the system board. Figure 4-23 Connecting the optical drive data cable to the system board Diskette drive (optional) To remove a diskette drive: 1. Disconnect power from the system (Predisassembly procedures on page 55), remove the side access panel (Side access panel on page 59), and the front bezel (Front Bezel on page 62). CAUTION: To prevent damage to the workstation, observe the following Electrostatic Discharge (ESD) precautions while performing the system parts removal and replacement procedures: - Work on a static-free mat. - Wear a static strap to ensure that any accumulated electrostatic charge is discharged from your body to the ground. - Create a common ground for the equipment you are working on by connecting the static-free mat, static strap, and peripheral units to that piece of equipment. 72 Chapter 4 Removal and replacement procedures ENWW

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4.
Connect the power cable to the drive first. This will allow any possible accumulated static electricity
to discharge through the ground circuit of the power connector before the drive data circuits are
connected. Next, connect the data cable from the drive (1) and system board (2), as shown in the
following figure.
NOTE:
Always connect optical drives to the lowest numbered available SATA port, or
immediately following any installed SATA hard drives. It is also important to connect all installed
drives (both hard drives and optical drives) beginning at SATA0 and progressing sequentially
upward, and leaving no gap between ports SATA0 and SATA3 on the system board.
Figure 4-23
Connecting the optical drive data cable to the system board
Diskette drive (optional)
To remove a diskette drive:
1.
Disconnect power from the system (
Predisassembly procedures
on page
55
), remove the side
access panel (
Side access panel
on page
59
), and the front bezel (
Front Bezel
on page
62
).
CAUTION:
To prevent damage to the workstation, observe the following Electrostatic Discharge
(ESD) precautions while performing the system parts removal and replacement procedures:
— Work on a static-free mat.
— Wear a static strap to ensure that any accumulated electrostatic charge is discharged from your
body to the ground.
— Create a common ground for the equipment you are working on by connecting the static-free
mat, static strap, and peripheral units to that piece of equipment.
72
Chapter 4
Removal and replacement procedures
ENWW