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# EVEREX SYSTEMS, INC.
EV-341
+------------------------------------------------------------+
+------------------------------------------------------------+
Data bus: 16-bit, ISA
Size: Full-length, full-height card
Hard drives supported: Two MFM ST506/412 drives
Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|----------------------------------------------+-------------|
| 34-pin control cable connector-hard drive | J1 |
|----------------------------------------------+-------------|
| 20-pin data cable connector-drive 0 | J2 |
|----------------------------------------------+-------------|
| 20-pin data cable connector-drive 1 | J3 |
|----------------------------------------------+-------------|
| 34-pin control cable connector-floppy drive | J4 |
|----------------------------------------------+-------------|
| 4-pin connector-drive active LED | J5 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|---------------------------------+-------------+------------|
| » | Hard drive port address is | W1/jumper 1 | open |
| | 1F0-1F7h | | |
|---+-----------------------------+-------------+------------|
| | Hard drive port address is | W1/jumper 1 | closed |
| | 170-177h | | |
|---+-----------------------------+-------------+------------|
| » | Floppy drive port address | W1/jumper 2 | open |
| | is 3F2-3F7h | | |
|---+-----------------------------+-------------+------------|
| | Floppy drive port address | W1/jumper 2 | closed |
| | is 372-377h | | |
|---+-----------------------------+-------------+------------|
| » | Floppy drive enabled on DOS | W1/jumper 3 | open |
| | system | | |
|---+-----------------------------+-------------+------------|
| | Floppy drive disabled on | W1/jumper 3 | closed |
| | DOS system | | |
| | | W3 | |
|---+-----------------------------+-------------+------------|
| » | Floppy drive enabled on | W2 | pins 1 & 2 |
| | OS/2 system | | closed |
|---+-----------------------------+-------------+------------|
| | Floppy drive disabled on | W2 | pins 2 & 3 |
| | OS/2 system | | closed |
|---+-----------------------------+-------------+------------|
| » | Factory configured - do not | W4 | pins 1 & 2 |
| | alter | | closed |
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+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTES |
|------------------------------------------------------------|
| The EV-341 comes standard with 128KB of cache memory. To |
| upgrade to 512KB, populate the DRAM banks with 256Kx4 |
| 100ns DRAMs. |
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