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# LONGSHINE MICROSYSTEM, INC.
LCS-6812F
Card Type Floppy drive controller
Chipset Controller Unidentified
I/O Options Floppy drive interface (2)
Maximum Dram N/A
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location |
|-------------------------------+----------------------------|
| Internal floppy interface | J1 |
|-------------------------------+----------------------------|
| External floppy interface | J2 |
|-------------------------------+----------------------------|
| DC power | J3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O ADDRESS SELECT |
|------------------------------------------------------------|
| Address | JP1 |
|-------------------------------+----------------------------|
| Primary (3F0h-3F7h) | Pins 1 & 2 closed |
|-------------------------------+----------------------------|
| Secondary (370h-377h) | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SYSTEM GROUND SELECT |
|------------------------------------------------------------|
| Case Ground | JP2 |
|-------------------------------+----------------------------|
| Connected | Closed |
|-------------------------------+----------------------------|
| Not connected | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ROM ADDRESS SELECT |
|------------------------------------------------------------|
| Address | JP3 |
|----------------------------+-------------------------------|
| CA000h-CBFFFh | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| CC000h-CDFFFh | Pins 3 & 4 closed |
|----------------------------+-------------------------------|
| CE000h-CFFFFh | Pins 5 & 6 closed |
+------------------------------------------------------------+
+--------------------------------------------------------------+
| FLOPPY TYPE SELECT |
|--------------------------------------------------------------|
|Drive |Drive |Drive |Drive |Drive | |
| | A | B | 3 | 4 | |
|------+------+------+------+------+---------------------------|
| Type |JP4/A |JP4/B |JP4/C |JP4/D |JP4/E |JP4/F |JP4/G |JP4/H |
|------+------+------+------+------+------+------+------+------|
|360KB |Closed|Closed|Closed|Closed|Closed|Closed|Closed|Closed|
|------+------+------+------+------+------+------+------+------|
|1.2MB |Closed| Open |Closed| Open |Closed| Open |Closed| Open |
|------+------+------+------+------+------+------+------+------|
|720KB | Open |Closed| Open |Closed| Open |Closed| Open |Closed|
|------+------+------+------+------+------+------+------+------|
|1.44MB| Open | Open | Open | Open | Open | Open | Open | Open |
+--------------------------------------------------------------+