Specifications

36 Chapter 3
Installing Internal Storage Devices
Your Macintosh has six internal drive bays: two optical drive bays and two hard drive bays in
the front, and two hard drive bays in the rear. In many configurations, a single hard disk drive
occupies the rear bay. One of the upper front bays contains an optical drive, and you can
purchase and install a second optical drive in the lower bay.
You can add SCSI or ATA disk drives to the empty front and rear drive bays.
The drives must meet these specifications:
m Width: 3.9 inches (102 mm)
m Depth: 5.7 inches (147 mm)
m Height: 1.0 inch
The server provides support for the following types of internal storage devices:
m Ultra ATA/100 devices (in rear bay only)
m Ultra ATA/66 devices
m Ultra ATA devices
m ATA devices, including ATA, ATA-2, ATA-3, up to ATA-6 devices
m ATAPI drives, including SuperDrive (combination DVD-R and CD-RW drive), Combo drive
(combination DVD-ROM and CD-RW drive), CD-RW, DVD-ROM, and DVD-R drives
m Wide Ultra, Ultra2, and Ultra160 low-voltage differential (LVD) SCSI devices (these devices
require a SCSI PCI card)
For more information about requirements and devices supported, see your Apple-authorized
dealer and the support section of Apple’s website: www.apple.com/support
Important Your server works with ATA and ATAPI internal storage devices that are set for
cable select mode. Because cable select mode forces the drive to set its ID based upon its
position on the cable, hard drives and optical drives are easily configured. Before you install
an additional ATA and ATAPI drive, check the documentation that came with your drive or
with the manufacturer to make sure it is set for cable select mode.
Important Use the original Apple cables that came with your server when you install
additional drives. Some non-Apple cables may not correctly support cable select mode.