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# PROMISE TECHNOLOGY, INC.
EIDEMAX
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 16-bit, ISA |
|--------------------------+---------------------------------|
| Size: | Half-length, half-height card |
|--------------------------+---------------------------------|
| Hard drive supported: | Two IDE (AT) Interface drives |
|--------------------------+---------------------------------|
| Floppy drives supported: | None |
+------------------------------------------------------------+
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|------------------------------------------+-----------------|
| 40-pin IDE(AT) interface connector | J1 |
|------------------------------------------+-----------------|
| 4-pin connector - drive active LED | JP1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+----------+------------|
| » | IDE(AT) interface enabled | JP3/A | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | IDE(AT) interface disabled | JP3/A | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | EIDEMAX is primary IDE(AT) | JP3/B | pins 1 & 2 |
| | interface in system | | closed |
|---+--------------------------------+----------+------------|
| | EIDEMAX is secondary IDE(AT) | JP3/B | pins 2 & 3 |
| | interface in system | | closed |
|---+--------------------------------+----------+------------|
| » | On-board BIOS enabled | JP5 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | On-board BIOS disabled | JP5 | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | JP2/A | JP2/B | JP2/C |
|---------------+--------------+--------------+--------------|
| » | IRQ15 | closed | open | open |
|---+-----------+--------------+--------------+--------------|
| | IRQ12 | open | open | closed |
|---+-----------+--------------+--------------+--------------|
| | IRQ14 | open | closed | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE MEMORY ADDRESS SELECTION |
|------------------------------------------------------------|
| Address | JP4/A | JP4/B |
|------------------+-------------------+---------------------|
| » | D0000h | pins 2 & 3 closed | pins 2 & 3 closed |
|---+--------------+-------------------+---------------------|
| | D4000h | pins 2 & 3 closed | pins 1 & 2 closed |
|---+--------------+-------------------+---------------------|
| | D8000h | pins 1 & 2 closed | pins 2 & 3 closed |
|---+--------------+-------------------+---------------------|
| | DC000h | pins 1 & 2 closed | pins 1 & 2 closed |
+------------------------------------------------------------+