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# LONGSHINE MICROSYSTEM, INC.
LCS-6640
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 16-bit, ISA |
|-------------------+----------------------------------------|
| Size: | Three/quarter-length, full-height card |
|-------------------+----------------------------------------|
| Hard drive | Up to seven SCSI devices |
| supported: | |
|-------------------+----------------------------------------|
| Floppy drives | Two 360KB, 720KB, 1.2MB, or 1.44MB |
| supported: | drives |
+------------------------------------------------------------+
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|-----------------------------------------------+------------|
| 34-pin control cable connector - floppy drive | CN1 |
|-----------------------------------------------+------------|
| 50 pin SCSI connector - internal | CN2 |
|-----------------------------------------------+------------|
| 50 pin SCSI connector - external | CN3 |
|-----------------------------------------------+------------|
| 2-pin connector - Drive active LED | JP6 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE MEMORY CONFIGURATION - JP1 |
|------------------------------------------------------------|
|Bank 0 |Bank 1| Total |Jumper 1|Jumper 2|Jumper 3|Jumper 4|
| | | size | | | | |
|-------+------+---------+--------+--------+--------+--------|
| |256KB| 0KB | 512K | closed | open | closed | closed |
|-+-----+------+---------+--------+--------+--------+--------|
|»|256KB|256KB | 1MB | closed | open | closed | open |
|-+-----+------+---------+--------+--------+--------+--------|
| |256KB| 1MB | 2.5MB | closed | open | open | closed |
|-+-----+------+---------+--------+--------+--------+--------|
| |256KB| 4MB | 8.5MB | closed | open | open | open |
|-+-----+------+---------+--------+--------+--------+--------|
| |1MB | 0KB | 2MB | open | closed | closed | closed |
|-+-----+------+---------+--------+--------+--------+--------|
| |1MB |256KB | 2.5MB | open | closed | closed | open |
|-+-----+------+---------+--------+--------+--------+--------|
| |1MB | 1MB | 4MB | open | closed | open | closed |
|-+-----+------+---------+--------+--------+--------+--------|
| |1MB | 4MB | 10MB | open | closed | open | open |
|-+-----+------+---------+--------+--------+--------+--------|
| |4MB | 0KB | 8MB | open | open | closed | closed |
|-+-----+------+---------+--------+--------+--------+--------|
| |4MB |256KB | 8.5MB | open | open | closed | open |
|-+-----+------+---------+--------+--------+--------+--------|
| |4MB | 1MB | 10MB | open | open | open | closed |
|-+-----+------+---------+--------+--------+--------+--------|
| |4MB | 4MB | 16MB | open | open | open | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|---------------------------------------+----------+---------|
| » | Hard drive port address is | JP3 | closed |
| | 1F0-1F7h | | |
|---+-----------------------------------+----------+---------|
| | Hard drive port address is | JP3 | open |
| | 170-177h | | |
|---+-----------------------------------+----------+---------|
| » | Floppy drive port address is | JP4 | closed |
| | 3F0-3F7h | | |
|---+-----------------------------------+----------+---------|
| | Floppy drive port address is | JP4 | open |
| | 370-377h | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS ADDRESS |
|------------------------------------------------------------|
| Address | JP5/Jumper 1 | JP5/Jumper 2 |
|-------------------+--------------------+-------------------|
| | D000h | closed | closed |
|---+---------------+--------------------+-------------------|
| » | D200h | closed | open |
|---+---------------+--------------------+-------------------|
| | D400h | open | closed |
|---+---------------+--------------------+-------------------|
| | disable | open | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT REQUEST - JP7 |
|------------------------------------------------------------|
| IRQ | Jumper | Jumper | Jumper | Jumper | Jumper |
| | 1 | 2 | 3 | 4 | 5 |
|-----------+---------+---------+---------+---------+--------|
| | IRQ15 | closed | open | open | open | open |
|---+-------+---------+---------+---------+---------+--------|
| » | IRQ14 | open | closed | open | open | open |
|---+-------+---------+---------+---------+---------+--------|
| | IRQ12 | open | open | closed | open | open |
|---+-------+---------+---------+---------+---------+--------|
| | IRQ11 | open | open | open | closed | open |
|---+-------+---------+---------+---------+---------+--------|
| | IRQ10 | open | open | open | open | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTES |
|------------------------------------------------------------|
| JP2 is factory configured - do not alter. |
+------------------------------------------------------------+