806-1057, provides installation instructions, power requirements, and performance
data for the 18-Gbyte 10K rpm hard drive.
C.1.7 Other RMA Storage Device X-Options
The system unit supports other removable media assembly (RMA) storage device
X-options that you can install in the system unit in lieu of the CD-ROM drive. These
storage device X-options include the 12-24-Gbyte 4mm DDS3 tape drive. For a listing
of all X-options, refer to the product guide.
C.1.8 Keyboard and Mouse Port, and Parallel Port
The keyboard and mouse port, as well as the parallel port interfaces are managedby
the SuperIO component. For a brief description of the SuperIO, see Section C.1.13
“SuperIO” on page 274.

C.1.8.1 Keyboard and Mouse Port

The keyboard and mouse are connected to an 8-pin DIN connector, located on the
main logic board, and to two serial ports on the SuperIO component. Each serial port
on the SuperIO ASIC provides 16-byte FIFO buffering. Data is asynchronously
exchanged with the keyboard and mouse at 1200 baud. Keyboard currentis limited
to 700 milliamperes (mA) by a resettable fuse. Only the Sun Type-5keyboard is
supported.
Functional Description 261