NEC TECHNOLOGIES, INC.
ESDI DISK CONTROLLER BOARD
| 
 
  | |
| 
 Data bus:  | 
 16-bit ISA  | 
| 
 Size:  | 
 Three-quarter length, full-height card  | 
| 
 Hard drive supported:  | 
 Two ESDI drives  | 
| 
 Floppy drives supported:  | 
 None  | 
| 
 CONNECTIONS  | |
| 
 Function  | 
 Location  | 
| 
 4-pin connector - drive active LED  | 
 J1  | 
| 
 20-pin data cable connector  | 
 J2  | 
| 
 20-pin data cable connector  | 
 J3  | 
| 
 34-pin cable control connector - hard drive  | 
 J4  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Location  | 
 Setting  | |
| » | 
 Cache enabled  | 
 W1/A  | 
 open  | 
| 
 Cache disabled  | 
 W1/A  | 
 closed  | |
| » | 
 4-byte ECC mode select  | 
 W1/B  | 
 open  | 
| 
 7-byte ECC mode select  | 
 W1/B  | 
 closed  | |
| » | 
 Translation enabled  | 
 W1/C  | 
 open  | 
| 
 Translation disabled  | 
 W1/C  | 
 closed  | |
| » | 
 Factory configured - do not alter  | 
 W1/D  | 
 open  | 
| » | 
 Physical mode select  | 
 W1/E  | 
 open  | 
| 
 35 sector-per-track mode select  | 
 W1/E  | 
 closed  | |
| » | 
 Alternate sector disabled  | 
 W1/F  | 
 open  | 
| 
 Alternate sector enabled  | 
 W1/F  | 
 closed  | |
| » | 
 IRQ14 select  | 
 W7  | 
 pins 1 & 2 closed  | 
| 
 IRQ15 select  | 
 W7  | 
 pins 2 & 3 closed  | |
| » | 
 Primary address is 1FXh  | 
 W12  | 
 open  | 
| 
 Secondary address is 17Xh  | 
 W12  | 
 closed  | |