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# STANDARD MICROSYSTEMS CORPORATION
SMC 4003-PC
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 8-bit, ISA |
|--------------------------+---------------------------------|
| Size: | Full-length, full-height card |
|--------------------------+---------------------------------|
| Hard drive supported: | Two MFM ST506/412 drives |
|--------------------------+---------------------------------|
| Floppy drives supported: | None |
+------------------------------------------------------------+
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|-------------------------------------------+----------------|
| 34-pin control cable connector-hard drive | CN1 |
|-------------------------------------------+----------------|
| 20-pin data cable connector-drive 0 | CN2 |
|-------------------------------------------+----------------|
| 20-pin data cable connector-drive 1 | CN3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRIVE 1 CONFIGURATION - JP2 |
|------------------------------------------------------------|
|Type| Capacity |Heads |Cylinders|Jumper 5|Jumper 6|Jumper 7|
|----+-----------+------+---------+--------+-----------------|
| 1 |Drive 1 Not| open | open | open | |
| |installed | | | | |
|----+-----------+------+---------+--------| |
| 2 |Drive 0 and|closed| open | open | |
| |1 | | | | |
| |parameters | | | | |
| |are the | | | | |
| |same | | | | |
|----+-----------+------+---------+--------+-----------------|
| 3 | 10MB | 4 | 306 | open | closed | open |
|----+-----------+------+---------+--------+--------+--------|
| 4 | 20MB | 8 | 306 | closed | closed | open |
|----+-----------+------+---------+--------+--------+--------|
| 5 | 10MB | 2 | 612 | open | open | closed |
|----+-----------+------+---------+--------+--------+--------|
| 6 | 20MB | 4 | 612 | closed | open | closed |
|----+-----------+------+---------+--------+--------+--------|
| 7 | closed | open | open | open | closed | closed |
|----+-----------+------+---------+--------+--------+--------|
| 8 | open | open | open | closed | closed | closed |
+------------------------------------------------------------+
+--------------------------------------------------------------+
| DRIVE 0 CONFIGURATION - JP2 |
|--------------------------------------------------------------|
|Type| Capacity |Heads |Cylinders|Jumper|Jumper|Jumper|Jumper|
| | | | | 1 | 2 | 3 | 4 |
|----+------------+------+---------+------+------+------+------|
| 1 | 10MB | 4 | 306 | open | open | open | open |
|----+------------+------+---------+------+------+------+------|
| 2 | 20MB | 8 | 306 |closed| open | open | open |
|----+------------+------+---------+------+------+------+------|
| 3 | 15MB | 6 | 306 | open |closed| open | open |
|----+------------+------+---------+------+------+------+------|
| 4 | 5MB | 2 | 306 |closed|closed| open | open |
|----+------------+------+---------+------+------+------+------|
| 5 | 10MB | 2 | 612 | open | open |closed| open |
|----+------------+------+---------+------+------+------+------|
| 6 | 20MB | 4 | 612 |closed| open |closed| open |
|----+------------+------+---------+------+------+------+------|
| 7 | 21MB | 4 | 640 | open |closed|closed| open |
|----+------------+------+---------+------+------+------+------|
| 8 | 32MB | 6 | 640 |closed|closed|closed| open |
|----+------------+------+---------+------+------+------+------|
| 9 | 10MB | 4 | 320 | open | open | open |closed|
|----+------------+------+---------+------+------+------+------|
| 10 | 20MB | 8 | 320 |closed| open | open |closed|
|----+------------+------+---------+------+------+------+------|
| 11 | 42MB | 5 | 977 | open |closed| open |closed|
|----+------------+------+---------+------+------+------+------|
| 12 | 37MB | 5 | 855 |closed|closed| open |closed|
|----+------------+------+---------+------+------+------+------|
| 13 | 32MB | 5 | 733 | open | open |closed|closed|
|----+------------+------+---------+------+------+------+------|
| 14 | 22MB | 6 | 440 |closed| open |closed|closed|
|----+------------+------+---------+------+------+------+------|
| 15 | 12MB | 4 | 360 | open |closed|closed|closed|
|----+------------+------+---------+------+------+-------------|
| 16 |Reserved for|closed| closed |closed|closed| |
| |non-standard| | | | | |
| |types* | | | | | |
|--------------------------------------------------------------|
|Note:*Only supported by OEM modification. |
+--------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTES |
|------------------------------------------------------------|
| The entry point for the SMC 4003-PC’s built-in low-level |
| format program is G=C800:6 |
| |
| The entry point for the SMC 4003-PC’s built-in |
| head-parking utility is G=C800:4B0 |
+------------------------------------------------------------+