Table C-1 Supported Disk Drives - Sun Microsystems Ultra 1 Creator Series Service Manual

C.1.6.2 Diskette Drive
The system unit or server uses a standard 1.44-Mbyte diskette drive that is
1 inch (25.40 mm) high. The system unit- to-diskette drive or server-to-diskette drive
interface is an 82077 style interface. The Diskette Drive Specification, document part
number 802-5283, provides cleaning, jumper setting, and diskette instructions for the
diskette drive.
C.1.6.3 Disk Drives
The system unit or server supports two 1.05-Gbyte or two 2.1-Gbyte SCSI disk
drives. Each drive is of the 3.5-inch form factor with a single connector
configuration. A drive bracket is used to mount the drive to the system unit or
server.
Specifications, document part number 802-4057, provides installation instructions,
power requirements, and performance data for the 1.05-Gbyte disk drive. The 2.1
Gbyte Disk Drive Specifications, document part number 802-4058, provides installation
instructions, power requirements, and performance data for the
2.1-Gbyte disk drive.
TABLE C-1
Form Factor
Dimension
1 inch
1 inch
1 inch
C.1.6.4 SCSI Interface
The system unit or server provides a 20-Mbyte per second SCSI interface that is
supported by the FEPS ASIC. A 16-bit single-ended operation provides a
20-Mbyte per second throughput at 10 MHz. Both internal and external peripherals
are connected to the same daisy chain. External connection is provided through a 68-
pin SCSI connector.
Configuration rules for SCSI interface are as follows:
System configuration requires devices to be connected in a daisy chain
configuration.
C-6 Ultra 1 Creator Series Service Manual • August 1996
lists the supported disk drives. The 1.05 Gbyte Disk Drive
TABLE C-1
Supported Disk Drives
Disk Drive Capacity
1.05 Gbytes
1.05 Gbyte
2.1 Gbytes
Fast Access
Wide RPM Time
No 5400 10.5 ms
Yes 5400 11.0 ms
Yes 7200 7.8 ms