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# SCIENTIFIC MICRO SYSTEMS, INC.
OMTI 5100I, OMTI 5200I, OMTI 5400I
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 50-pin SCSI interface |
|---------------+--------------------------------------------|
| Size: | 5.25" FF |
|---------------+--------------------------------------------|
| Hard drive | Up to two IDE(AT) drives |
| supported: | |
|---------------+--------------------------------------------|
| Floppy drives | Two 360KB, 720KB, 1.2MB, 1.44Mb or 8" |
| supported: | drives (except 5100I) |
|---------------+--------------------------------------------|
| | |
+------------------------------------------------------------+
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|----------------------------------------------+-------------|
| 50-pin SCSI interface | J1 |
|----------------------------------------------+-------------|
| 40-pin IDE(AT) connector | J2 |
|----------------------------------------------+-------------|
| 34-pin floppy drive connector (not in 5100I) | J7 |
|----------------------------------------------+-------------|
| 50-pin tape drive connector (5400I only) | J8 |
|----------------------------------------------+-------------|
| DC power connector | J10 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SCSI ID |
|------------------------------------------------------------|
|SCSI| ID/0 | ID/1 | ID/2 | ID/3 | ID/4 | ID/5 | ID/6 | ID/7 |
| ID | | | | | | | | |
|----+------+------+------+------+------+------+------+------|
|» |0|closed| open | open | open | open | open | open | open |
|--+-+------+------+------+------+------+------+------+------|
| |1| open |closed| open | open | open | open | open | open |
|--+-+------+------+------+------+------+------+------+------|
| |2| open | open |closed| open | open | open | open | open |
|--+-+------+------+------+------+------+------+------+------|
| |3| open | open | open |closed| open | open | open | open |
|--+-+------+------+------+------+------+------+------+------|
| |4| open | open | open | open |closed| open | open | open |
|--+-+------+------+------+------+------+------+------+------|
| |5| open | open | open | open | open |closed| open | open |
|--+-+------+------+------+------+------+------+------+------|
| |6| open | open | open | open | open | open |closed| open |
|--+-+------+------+------+------+------+------+------+------|
| |7| open | open | open | open | open | open | open |closed|
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+-------------+---------|
| » | SCSI parity enabled | W1/pins 1 & | closed |
| | | 2 | |
|---+--------------------------------+-------------+---------|
| | SCSI parity disabled | W1/pins 2 & | closed |
| | | 3 | |
|---+--------------------------------+-------------+---------|
| » | Tape drive parity enabled | W2/pins 1 & | closed |
| | (5400I) | 2 | |
|---+--------------------------------+-------------+---------|
| | Tape drive parity disabled | W2/pins 2 & | closed |
| | | 3 | |
|---+--------------------------------+-------------+---------|
| | Motor on signal enabled by | W14 | open |
| | command (5200I & 5400I) | | |
|---+--------------------------------+-------------+---------|
| | Motor on signal always enabled | W14 | closed |
|---+--------------------------------+-------------+---------|
| | Ready signal for FDC enabled | W15 | closed |
|---+--------------------------------+-------------+---------|
| | Ready signal for FDC disabled | W15 | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| IDE SECTOR CONFIGURATION |
|------------------------------------------------------------|
| Bytes/Sector | W3 | W4 |
|----------------------------+---------------+---------------|
| » | 512 | open | open |
|------------+---------------+---------------+---------------|
| | 256 | closed | open |
|------------+---------------+---------------+---------------|
| | 512 | open | closed |
|------------+---------------+---------------+---------------|
| | 1024 | closed | closed |
|------------------------------------------------------------|
| Note: The two settings of 512 bytes/sector have different |
| number of sector/track. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LUN 0 DISK TYPE CONFIGURATION |
|------------------------------------------------------------|
| Drive Type | Model # | W5 |
|------------------+--------------------+--------------------|
| IDE | 5100I | open or closed |
|------------------+--------------------+--------------------|
| IDE | 5200I, 5400I | open |
|------------------+--------------------+--------------------|
| Flexible | 5200I, 5400I | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LUN 1 DISK TYPE CONFIGURATION |
|------------------------------------------------------------|
| Drive Type | Model # | W6 |
|------------------+--------------------+--------------------|
| IDE | 5100I | open or closed |
|------------------+--------------------+--------------------|
| IDE | 5200I, 5400I | open |
|------------------+--------------------+--------------------|
| Flexible | 5200I, 5400I | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LUN 2 DISK TYPE CONFIGURATION |
|------------------------------------------------------------|
| Drive Type | Model # | W7 |
|------------------+--------------------+--------------------|
| IDE | 5100I | open or closed |
|------------------+--------------------+--------------------|
| IDE | 5200I, 5400I | open |
|------------------+--------------------+--------------------|
| Flexible | 5200I, 5400I | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LUN 3 DISK TYPE CONFIGURATION |
|------------------------------------------------------------|
| Drive Type | Model # | W8 |
|------------------+--------------------+--------------------|
| IDE | 5100I | open or closed |
|------------------+--------------------+--------------------|
| IDE | 5200I, | open |
|------------------+--------------------+--------------------|
| Flexible | 5200I, 5400I | closed |
|------------------+--------------------+--------------------|
| Tape | 5400I | open |
+------------------------------------------------------------+