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# PERCEPTIVE SOLUTIONS, INC.
EASYCACHE SCSI (RELEASE 1.0)
Data bus: 16-bit, ISA
Size: Full-length, full-height card
Hard Drives Suppported: Up to seven SCSI devices
Floppy Drives Supported: Two 360KB, 720KB, 1.2MB, or 1.44MB
drives
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Functions | Location |
|----------------------------------------------+-------------|
| 4-pin connector drive active LED | J1 |
|----------------------------------------------+-------------|
| Unidentified connector | J2 |
|----------------------------------------------+-------------|
| 34-pin control cable connector-floppy drive | J3 |
|----------------------------------------------+-------------|
| 50-pin SCSI connector-internal | J4 |
|----------------------------------------------+-------------|
| DB25S connector--external (optional) | J5 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|---------------------------------------+----------+---------|
| » | Hard drive port address is | SW1/3 | Off |
| | primary | | |
|---+-----------------------------------+----------+---------|
| | Hard drive port address is | SW1/3 | On |
| | secondary | | |
|---+-----------------------------------+----------+---------|
| » | Floppy drive enabled | SW1/4 | Off |
|---+-----------------------------------+----------+---------|
| | Floppy drive disabled | SW1/4 | On |
|---+-----------------------------------+----------+---------|
| » | Single-speed floppy supported | SW1/5 | Off |
|---+-----------------------------------+----------+---------|
| | Dual-speed floppy supported | SW1/5 | On |
|---+-----------------------------------+----------+---------|
| » | Asynchronous operation enabled | SW1/10 | Off |
|---+-----------------------------------+----------+---------|
| | Synchronous operation enabled | SW1/10 | On |
|---+-----------------------------------+----------+---------|
| » | hSOS load from disk enabled | SW1/11 | Off |
|---+-----------------------------------+----------+---------|
| | hSOS load from ROM enabled | SW1/11 | On |
|---+-----------------------------------+----------+---------|
| » | Termination Power supplied by | SW1/12 | On |
| | easyCache | | |
|---+-----------------------------------+----------+---------|
| | Termination Power not supplied by | SW1/12 | Off |
| | easyCache | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIOS ADDRESS |
|------------------------------------------------------------|
| Address | SW1/1 | SW1/2 |
|------------------------+-----------------+-----------------|
| | C800h | Off | Off |
|---+--------------------+-----------------+-----------------|
| | D000h | Off | On |
|---+--------------------+-----------------+-----------------|
| » | D800h | On | Off |
|---+--------------------+-----------------+-----------------|
| | Disabled | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT REQUEST |
|------------------------------------------------------------|
| IRQ | SW1/6 | SW1/7 | SW1/8 | SW1/9 |
|----------------+----------+----------+----------+----------|
| | Disabled | Off | Off | Off | Off |
|---+------------+----------+----------+----------+----------|
| | IRQ5 | On | Off | Off | Off |
|---+------------+----------+----------+----------+----------|
| | IRQ11 | Off | On | Off | Off |
|---+------------+----------+----------+----------+----------|
| » | IRQ14 | Off | Off | On | Off |
|---+------------+----------+----------+----------+----------|
| | IRQ15 | Off | Off | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 512KB | (2) 256K x 9 | NONE |
|------------------+--------------------+--------------------|
| 1MB | (2) 256K x 9 | (2) 256K x 9 |
|------------------+--------------------+--------------------|
| 2MB | (2) 1M x 9 | NONE |
|------------------+--------------------+--------------------|
| 2.5MB | (2) 1M x 9 | (2) 256K x 9 |
|------------------+--------------------+--------------------|
| 4MB | (2) 1M x 9 | (2) 1M x 9 |
|------------------+--------------------+--------------------|
| 8MB | (2) 4M x 9 | NONE |
|------------------+--------------------+--------------------|
| 8.5MB | (2) 4M x 9 | (2) 256K x 9 |
|------------------+--------------------+--------------------|
| 10MB | (2) 4M x 9 | (2) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (2) 4M x 9 | (2) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LED INFORMATION - GENERAL |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-----+--------------+--------+------------------------------|
| D1 | Unidentified | On | Hard drive active |
|-----+--------------+--------+------------------------------|
| D1 | Unidentified | Off | Hard drive inactive |
|-----+--------------+--------+------------------------------|
| D3 | Unidentified | On | Data transfer from cache in |
| | | | progress |
|-----+--------------+--------+------------------------------|
| D3 | Unidentified | Off | Cache inactive |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LED INFORMATION - SCSI TERMINATION |
|------------------------------------------------------------|
| LED | Status | SW1/12 | Terminators | Condition |
|-----+--------+--------+-------------+----------------------|
| D2 | On | On | Installed | EasyCache supplies |
| | | | | termination and |
| | | | | TERMPWR |
|-----+--------+--------+-------------+----------------------|
| D2 | On | Off | Installed | EasyCache supplies |
| | | | | termination |
| | | | | |
| | | | | Other device |
| | | | | supplies TERMPWR |
|-----+--------+--------+-------------+----------------------|
| D2 | Off | Off | Installed | EasyCache supplies |
| | | | | termination |
| | | | | |
| | | | | No TERMPWR detected |
|-----+--------+--------+-------------+----------------------|
| D2 | On | On | Removed | EasyCache supplies |
| | | | | no termination |
| | | | | |
| | | | | EasyCache supplies |
| | | | | TERMPWR |
|-----+--------+--------+-------------+----------------------|
| D2 | Off | Off | Removed | EasyCache supplies |
| | | | | no termination or |
| | | | | TERMPWR |
+------------------------------------------------------------+