Installing internal drives
Internal drives are devices that your computer uses to read and store data. You can add drives to your computer to increase storage capacity and to enable your computer to read other types of media. Some of the different drives that are available for your computer are:
- Hard disk drives
- CD drives or DVD drives
- Removable media drives
Internal drives are installed in bays. Bays are referred to as bay 1, bay 2, and so on. When you install an internal drive, it is important to note what type and size of drive that can be installed in each bay. Also, it is important to correctly connect the internal drive cables to the installed drive.
Drive specifications:
The 6794 computer comes with the following IBM-installed drives:
- A CD drive or DVD drive in bay 1 (some models)
- A 3.5-inch diskette disk drive in bay 3
- A 3.5-inch hard drive in bay 4
Any bay that does not have a drive installed has a static shield and bay panel installed.
The following illustration shows the locations of the drive bays.
The following table describes some of the drives you can install in each bay and their height requirements.
| Bay number |
Maximum height |
Description |
| 1 |
41.3 mm (1.6 in.) |
CD-ROM drive (standard in some models) 5.25-inch hard disk drive |
| 2 |
41.3 mm (1.6 in.) |
5.25-inch hard disk drive 3.5-inch hard disk drive (requires a mounting bracket) CD-ROM drive DVD-ROM drive |
| 3 |
25.8 mm (1.0 in.) |
3.5-inch diskette drive |
| 4 |
25.8 mm (1.0 in.) |
3.5-inch diskette drive (preinstalled) |
| 5 |
25.8 mm (1.0 in.) |
Hard disk drive (preinstalled) |
Notes:
- Drives that are greater than 41.3 mm (1.6 in.) high cannot be installed.
- Install removable media (tape or CD) drives in the accessible bays: bay 1 or 2.
Installing a drive:
To install an internal drive, follow these steps.
- Remove the cover. For more information click Cover removal.
- If your computer has a CD drive or DVD drive, you might need to remove the signal and power cables from the drive.
- Remove the bay panel from the drive bay by inserting a flat-blade screwdriver at the end and gently prying it loose.
- Remove the metal shield from the drive bay by inserting a flat-blade screwdriver into one of the slots and gently prying it loose.
-
Make sure the drive that you are installing is set correctly as either a master or a slave device.
- If it is the first CD drive or DVD drive, set as a master device.
- If it is an additional CD drive or DVD drive, set as a slave device.
- If it is a hard disk drive, set as a slave device.
Note: Refer to the documentation that comes with your drive for master/slave jumper information.
- Install the drive into the bay. Align the screw holes, and insert the screws that secure the drive to the bay.
- Each integrated drive electronics (IDE) drive requires two cables; a four-wire power cable that connects to the power supply and a signal cable that connects to the system board. For a CD-ROM drive, you might also have an audio cable.
To connect the first IDE CD drive or DVD drive
- Locate the three-connector signal cable that came with your computer or with the new drive.
- Locate the secondary IDE connector on the system board. For more information, view the system board diagram.
- Connect one end of the signal cable to the drive and the other to the secondary IDE connector on the system board. To reduce electronic noise, use the connectors at the end of the cable only.
- Your computer has extra power connectors for additional drives. Connect a power connector to the drive.
- If you have a CD-ROM audio cable, connect it to the drive and to the system board. For more information, view the system board diagram.
To connect an additional IDE CD drive or DVD drive
- Locate the secondary IDE connector on the system board and the three-connector signal cable. For more information, view the system board diagram.
- Connect the extra connector in the signal cable to the new CD drive or DVD drive.
- Your computer has extra power connectors for additional drives. Connect a power connector to the drive.
To connect an additional IDE hard disk drive
- Locate the primary IDE connector on the system board. One end of the three-connector cable connects to the hard disk drive and the other connects to the system board. For more information, view the system board diagram.
- Connect the extra connector in the signal cable to the new hard disk drive.
- Your computer has extra power connectors for additional drives. Connect a power connector to the drive.
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