SCIENTIFIC MICRO SYSTEMS, INC.
OMTI 9542
| 
 
  | |
| 
 Data bus:  | 
 16-bit, ISA  | 
| 
 Size:  | 
 Three/quarter-length, full-height card  | 
| 
 Hard drive supported:  | 
 Up to 7 SCSI devices  | 
| 
 Floppy drives supported:  | 
 None  | 
| 
 CONNECTIONS  | |
| 
 Function  | 
 Location  | 
| 
 4-pin connector - drive active LED  | 
 J1  | 
| 
 34-pin floppy drive connector  | 
 J2  | 
| 
 50-pin SCSI connector - internal  | 
 J3  | 
| 
 50-pin SCSI connector - external  | 
 J4  | 
| 
 SCSI ID  | ||||
| 
 SCSI ID  | 
 SW1/1  | 
 SW1/2  | 
 SW1/3  | |
| » | 
 7  | 
 on  | 
 on  | 
 on  | 
| 
 0  | 
 off  | 
 off  | 
 off  | |
| 
 1  | 
 on  | 
 off  | 
 off  | |
| 
 2  | 
 off  | 
 on  | 
 off  | |
| 
 3  | 
 on  | 
 on  | 
 off  | |
| 
 4  | 
 off  | 
 off  | 
 on  | |
| 
 5  | 
 on  | 
 off  | 
 on  | |
| 
 6  | 
 off  | 
 on  | 
 on  | |
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Location  | 
 Setting  | |
| » | 
 SCSI parity enabled  | 
 SW1/4  | 
 on  | 
| 
 SCSI parity disabled  | 
 SW1/4  | 
 off  | |
| » | 
 Auto SCSI sense enabled  | 
 SW1/5  | 
 on  | 
| 
 Auto SCSI sense disabled  | 
 SW1/5  | 
 off  | |
| » | 
 Sync negotiation disabled  | 
 SW1/6  | 
 on  | 
| 
 Sync negotiation enabled  | 
 SW1/6  | 
 off  | |
| » | 
 Floppy primary address is 3Fxh  | 
 W14  | 
 open  | 
| 
 Floppy secondary address is 37xh  | 
 W14  | 
 closed  | |
| » | 
 I/O channel ready enabled  | 
 W17/pins 1 & 2  | 
 closed  | 
| 
 I/O channel ready disabled  | 
 W17/pins 2 & 3  | 
 closed  | |
| 
 INTERRUPT SELECTION  | ||||||||||
| 
 IRQ  | 
 SW2/6  | 
 SW2/7  | 
 SW2/8  | 
 W3  | 
 W4  | 
 W5  | 
 W6  | 
 W7  | 
 W8  | |
| » | 
 11  | 
 on  | 
 on  | 
 on  | 
 open  | 
 open  | 
 open  | 
 closed  | 
 open  | 
 open  | 
| 
 9  | 
 on  | 
 off  | 
 on  | 
 open  | 
 open  | 
 open  | 
 open  | 
 open  | 
 closed  | |
| 
 10  | 
 off  | 
 on  | 
 on  | 
 open  | 
 open  | 
 open  | 
 open  | 
 closed  | 
 open  | |
| 
 12  | 
 off  | 
 off  | 
 on  | 
 open  | 
 open  | 
 closed  | 
 open  | 
 open  | 
 open  | |
| 
 14  | 
 on  | 
 on  | 
 off  | 
 open  | 
 closed  | 
 open  | 
 open  | 
 open  | 
 open  | |
| 
 15  | 
 off  | 
 on  | 
 off  | 
 closed  | 
 open  | 
 open  | 
 open  | 
 open  | 
 open  | |
| 
 Rsrvd.  | 
 off  | 
 off  | 
 off  | 
 N/A  | 
 N/A  | 
 N/A  | 
 N/A  | 
 N/A  | 
 N/A  | |
| 
 Rsrvd.  | 
 on  | 
 off  | 
 off  | 
 N/A  | 
 N/A  | 
 N/A  | 
 N/A  | 
 N/A  | 
 N/A  | |
| 
 DMA SELECTION  | |||
| 
 DMA  | 
 SW1/7  | 
 SW1/8  | |
| » | 
 5  | 
 on  | 
 on  | 
| 
 6  | 
 off  | 
 on  | |
| 
 7  | 
 on  | 
 off  | |
| 
 Disabled  | 
 off  | 
 off  | |
| 
 FLOPPY DISK CONTROLLER CONFIGURATION  | ||
| 
 Controller  | 
 W15  | 
 W16  | 
| 
 Enabled  | 
 closed  | 
 closed  | 
| 
 Disabled  | 
 open  | 
 open  | 
| 
 DMA TRANSFER RATE  | |||
| 
 Transfer Rate  | 
 W11  | 
 W13  | |
| » | 
 5.0 MB/sec  | 
 open  | 
 open  | 
| 
 5.7 MB/sec  | 
 open  | 
 closed  | |
| 
 6.7 MB/sec  | 
 closed  | 
 open  | |
| 
 8.0 MB/sec  | 
 closed  | 
 closed  | |
| 
 I/O BASE ADDRESS  | ||||
| 
 Address  | 
 SW2/1  | 
 SW2/2  | 
 SW2/3  | |
| » | 
 330h-333h  | 
 on  | 
 on  | 
 on  | 
| 
 130h-133h  | 
 on  | 
 off  | 
 on  | |
| 
 134h-137h  | 
 on  | 
 off  | 
 off  | |
| 
 230h-233h  | 
 off  | 
 on  | 
 on  | |
| 
 234h-237h  | 
 off  | 
 on  | 
 off  | |
| 
 334h-237h  | 
 on  | 
 on  | 
 off  | |
| 
 Reserved  | 
 off  | 
 off  | 
 off  | |
| 
 Reserved  | 
 off  | 
 off  | 
 on  | |
| 
 BIOS BASE ADDRESS  | ||
| 
 Address  | 
 SW2/4  | 
 SW2/5  | 
| 
 0DC000h  | 
 on  | 
 on  | 
| 
 0C8000h  | 
 off  | 
 off  | 
| 
 0CC000h  | 
 on  | 
 off  | 
| 
 0D8000h  | 
 off  | 
 on  | 
| 
 MISCELLANEOUS TECHNICAL NOTES  | 
| 
 The terminators must remain installed.  |