WD1004A-WXI - Western Digital

WD1004A-WXI Winchester Disk Controller Boards

READ THIS FIRST INSTALLATION GUIDE WD1004A-WXl Winchester Disk Controller Board FEBRUARY 1989 IDENTIFY DRIVE The WD1004A-WX1 board works with any hard disk drive that has the ST506/412 drive interface and no more than 1024 cylinders and 16 heads. The Seagate 225 hard disk drive unit is such a drive. Look in your drive manual to verify that you have an ST50.

Features

e (J4) drive power connector is on the WD1004A-WXl board to connect power to FileCard® drives. BIOS ROM Incompatibility BIOS is an acronym for Basic Input Output System. ROM is an acronym for Read Only Memory. The BIOS ROM is a program on a computer chip that tells your computer how to operate devices attached to your computer. Some XT compatible computers do not operate with the Western Digital BIOS ROM because of an incompatibility. Most of these computers are listed in Appendix A. Check Table A-1 on page A-11 to see if you have one of these computers. 1-3 FIGURE 1-1 WD1004A-WXl CONNECTOR.