Sun Microsystems 60 service manual Other RMA Storage Device X-Options, Keyboard and Mouse Port

C.1.9 Other RMA Storage Device X-Options

The system unit supports other RMA storage device X-options that can be installed in the system unit in lieu of the CD-ROM drive. These storage device X-options include the 4-GByte 4-mm DDS and DDS3 tape drives, the 12-GByte 4-mm DDS3 tape drive, the 8705XDX, 7-GByte tape drive, and the SLR5 QIC tape drive. For a listing of all X-options, refer to the product guide.

C.1.10 Keyboard and Mouse, Diskette, and Parallel Port

The keyboard and mouse, diskette, and parallel port interfaces are managed by the SuperIO component. FIGURE C-6shows keyboard, diskette, and parallel port interface functionality. For a brief description of the SuperIO, see Section C.1.16, “SuperIO” on page C-36.

C.1.10.1 Keyboard and Mouse Port

The keyboard and mouse are connected to an 8-pin DIN connector, located on the motherboard, 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 current is limited to 700 milliamperes (mA) by a resettable fuse. Only the Sun Type-5 keyboard is supported.

Appendix C Functional Description C-19