SCIENTIFIC MICRO SYSTEMS
OMTI 510, OMTI 510-HA-3, OMTI 510-HA-7
OMTI 512, OMTI 512-HA-3, OMTI 512-HA-7
| 
 
  | |
| 
 Data bus:  | 
 8-bit, ISA  | 
| 
 Size:  | 
 Half-length, half-height card  | 
| 
 Hard drive supported:  | 
 Up to seven SCSI devices  | 
| 
 Floppy drives supported:  | 
 None  | 
| 
 CONNECTIONS  | |
| 
 Function  | 
 Location  | 
| 
 50-pin SCSI connector - internal  | 
 J1  | 
| 
 37-pin SCSI connector - external (OMTI512 only)  | 
 J2  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Location  | 
 Setting  | |
| » | 
 SCSI Busy signal enabled  | 
 W1  | 
 pins 2 & 3 closed  | 
| 
 SCSI Busy signal disabled  | 
 W1  | 
 pins 1 & 2 closed  | |
| » | 
 SCSI Message signal enabled  | 
 W2  | 
 pins 2 & 3 closed  | 
| 
 SCSI Message signal disabled  | 
 W2  | 
 pins 1 & 2 closed  | |
| » | 
 SCSI parity check enabled  | 
 W4  | 
 pins 2 & 3 closed  | 
| 
 SCSI parity check disabled  | 
 W4  | 
 pins 1 & 2 closed  | |
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Location  | 
 Setting  | |
| » | 
 BIOS enabled  | 
 W7  | 
 open  | 
| 
 BIOS disabled  | 
 W7  | 
 closed  | |
| » | 
 BIOS address is C800h  | 
 W8  | 
 open  | 
| 
 BIOS address is CA00h  | 
 W8  | 
 closed  | |
| » | 
 28-pin EPROM type enabled  | 
 W9 and W10  | 
 pins 1 & 2 closed  | 
| 
 24-pin EPROM type enabled  | 
 W9 and W10  | 
 pins 2 & 3 closed*  | |
| » | 
 SCSI Receive parity disabled  | 
 W11  | 
 pins 1 & 2 closed  | 
| 
 SCSI Receive parity enabled  | 
 W11  | 
 pins 2 & 3 closed  | |
| 
 Note: Cut the foil trace between pins 1 & 2 on Jumpers W9 and W10 if closing pins 2 & 3  | |||
| 
 I/O PORT ADDRESS  | |||
| 
 Address  | 
 Jumper W6  | 
 Jumper W5  | |
| » | 
 320h  | 
 open  | 
 open  | 
| 
 324h  | 
 open  | 
 closed  | |
| 
 328h  | 
 closed  | 
 open  | |
| 
 32Ch  | 
 closed  | 
 closed  | |
| 
 MISCELLANEOUS TECHNICAL NOTES  | 
| 
 Jumper W3 is not used and should remain factory configured with pins 1 & 2 in the closed position. Do not disable SCSI Busy and Message signals (Jumpers W1 and W2)  |