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# EVEREX SYSTEMS, INC.
EV8120, EV-8120A
+------------------------------------------------------------+
+------------------------------------------------------------+
Data bus: 16-bit, ISA
Size: Full-length, full-height card
Hard drives supported: Two AT Interface (IDE) drives
Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB
(IMG) IMG 1
EVEREX SYSTEMS, INC.
EV8120, EV-8120A
. . . continued from previous page
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|-------------------------------------------------+----------|
| 34-pin control cable connector-floppy drive | J1 |
|-------------------------------------------------+----------|
| 40-pin control cable connector-hard drive | J2 |
|-------------------------------------------------+----------|
| 34-pin control cable connector-floppy tape | J3 |
| drive (EV-8120A only) | |
|-------------------------------------------------+----------|
| 4-pin connector drive active LED | J9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS EV-8120 & EV-8120A |
|------------------------------------------------------------|
| Function | Location | Setting |
|--------------------------------+--------------+------------|
| » | IOCHRDY signal disabled | JP1 | open |
|---+----------------------------+--------------+------------|
| | IOCHRDY signal enabled | JP1 | closed |
|---+----------------------------+--------------+------------|
| » | DMA request disabled | JP2/all | open |
|---+----------------------------+--------------+------------|
| | DREQ 5 (DMA request) | JP2/jumper 1 | closed |
|---+----------------------------+--------------+------------|
| | DREQ 6 (DMA request) | JP2/jumper 2 | closed |
|---+----------------------------+--------------+------------|
| | DREQ 7 (DMA request) | JP2/jumper 3 | closed |
|---+----------------------------+--------------+------------|
| » | DMA acknowledge disabled | JP3/all | open |
|---+----------------------------+--------------+------------|
| | DACK 5 (DMA acknowledge) | JP3/jumper 1 | closed |
|---+----------------------------+--------------+------------|
| | DACK 6 (DMA acknowledge) | JP3/jumper 2 | closed |
|---+----------------------------+--------------+------------|
| | DACK 7 (DMA acknowledge) | JP3/jumper 3 | closed |
|---+----------------------------+--------------+------------|
| » | DMA signal to the ATA | JP4 | open |
| | adaptor disabled | | |
|---+----------------------------+--------------+------------|
| | DMA signal to the ATA | JP4 | closed |
| | adaptor enabled | | |
|---+----------------------------+--------------+------------|
| » | BIOS is IBM, AMI or | JP6 | pins 2 & 3 |
| | equivalent | | closed |
|---+----------------------------+--------------+------------|
| | BIOS is Phoenix | JP6 | pins 1 & 2 |
| | | | closed |
|---+----------------------------+--------------+------------|
| » | Factory configured - do | JP7 | open |
| | not alter | | |
|---+----------------------------+--------------+------------|
| » | Floppy drive enabled | JP8 | closed |
|---+----------------------------+--------------+------------|
| | Floppy drive disabled | JP8 | open |
|---+----------------------------+--------------+------------|
| » | Back to back I/O delay | JP10 | closed |
| | enabled | | |
|---+----------------------------+--------------+------------|
| | Back to back I/O delay | JP10 | open |
| | disabled | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS EV-8120 ONLY |
|------------------------------------------------------------|
| Function | Location | Setting |
|---------------------------------------+----------+---------|
| » | Hard drive port address is | JP5 | open |
| | 1F0-1F7h | | |
|---+-----------------------------------+----------+---------|
| » | Hard drive port address is | JP5 | closed |
| | 310-317h | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS EV-8120A ONLY |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+----------+------------|
| » | ATA Hard Disk mode select | JP5 | open |
|---+--------------------------------+----------+------------|
| | ATA Tape Mode select | JP5 | closed |
|---+--------------------------------+----------+------------|
| » | Floppy drive port address is | JP11 | open |
| | 3F0-3F7h | | |
|---+--------------------------------+----------+------------|
| | Floppy drive port address is | JP11 | closed |
| | 370-377h | | |
|---+--------------------------------+----------+------------|
| » | Hard drive port address is | JP12 | open |
| | 1F0-1F7h | | |
|---+--------------------------------+----------+------------|
| | Hard drive port address is | JP12 | closed |
| | 170-177h | | |
|---+--------------------------------+----------+------------|
| » | Hard drive interrrupt is IRQ14 | JP13 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Hard drive interrrupt is IRQ15 | JP13 | pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+