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# I-BUS
TIGERSHARK
Processor Pentium
Processor Speed 75/90/100/120/133/150/166/180/200MHz
Chip Set OPTI
Video Chip Set None
Maximum Onboard 256MB
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS Award
Dimensions Unidentified
I/O Options Floppy drive interface, IDE interface, SCSI
interface, green PC connector, parallel port,
PS/2 mouse port, serial ports (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| IDE interface | J1 | Reset switch | J10 |
|-------------------+----------+------------------+----------|
| Floppy drive | J2 | Speaker | J11 |
| interface | | | |
|-------------------+----------+------------------+----------|
| Parallel port | J3 | Chassis fan | J13 |
| | | power | |
|-------------------+----------+------------------+----------|
| Serial port 2 | J4 | Green PC | J16 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Serial port 1 | J5 | PS/2 mouse port | J25 |
|-------------------+----------+------------------+----------|
| SCSI interface | J7 | IDE interface | J27 |
| | | LED | |
|-------------------+----------+------------------+----------|
| Auxiliary | J8 | External battery | J28 |
| keyboard | | | |
| connector | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | IDE IRQ14 enabled | J6 | Closed |
|---+---------------------------------+-------+--------------|
| | IDE IRQ14 disabled | J6 | Open |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J15 | Open |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Cache always invalidate | J17 | Open |
|---+---------------------------------+-------+--------------|
| | Cache invalidate on write | J17 | Closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J18 | Pins 1 & 4, |
| | alter | | 2 & 3 closed |
|---+---------------------------------+-------+--------------|
| | Floppy drive select | J19 | Pins 1 & 2 |
| | 1.2MB/1.44MB | | closed |
|---+---------------------------------+-------+--------------|
| | Floppy drive select 2.88MB | J19 | Pins 3 & 4, |
| | | | 5 & 6 closed |
|---+---------------------------------+-------+--------------|
| » | Watch dog timer enabled | J21 | Closed |
|---+---------------------------------+-------+--------------|
| | Watch dog timer disabled | J21 | Open |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J23 | Open |
| | alter | | |
|---+---------------------------------+-------+--------------|
| | Password enabled | J24 | Closed |
|---+---------------------------------+-------+--------------|
| | Password disabled | J24 | Open |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | J29 | Open |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | J29 | Closed |
|---+---------------------------------+-------+--------------|
| | Mouse IRQ12 enabled | J30 | Closed |
|---+---------------------------------+-------+--------------|
| | Mouse IRQ12 disabled | J30 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 36 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 36 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 1M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4M x 36 | None |
|------------------+--------------------+--------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 40MB | (2) 1M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 2M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8M x 36 | None |
|------------------+--------------------+--------------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 72MB | (2) 1M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 80MB | (2) 2M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 4M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 16M x 36 | None |
|------------------+--------------------+--------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 136MB | (2) 1M x 36 | (2) 16M x 36 |
|------------------+--------------------+--------------------|
| 144MB | (2) 2M x 36 | (2) 16M x 36 |
|------------------+--------------------+--------------------|
| 160MB | (2) 4M x 36 | (2) 16M x 36 |
|------------------+--------------------+--------------------|
| 192MB | (2) 8M x 36 | (2) 16M x 36 |
|------------------+--------------------+--------------------|
| 256MB | (2) 16M x 36 | (2) 16M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: Board accepts 256KB/512KB cache. The location and |
| chip sizes are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | J9 | J12 |
|----------------+--------------------------+----------------|
| 256KB | Pins 3 & 5, 4 & 6 closed | Open |
|----------------+--------------------------+----------------|
| 512KB | Pins 1 & 3, 2 & 4 closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | J14 | J22 | J26 | J32 |
| speed | speed | | | | | |
|--------+--------+------------+-------+-------+------+------|
| 75MHz | 50MHz | 1.5x | Open | Open | 1 & | Open |
| | | | | | 2 | |
|--------+--------+------------+-------+-------+------+------|
| 90MHz | 60MHz | 1.5x | Open | 1 & | 1 & | Open |
| | | | | 2, 3 | 2 | |
| | | | | & 4 | | |
|--------+--------+------------+-------+-------+------+------|
| 100MHz | 66MHz | 1.5x | Open | 1 & 2 | 1 & | Open |
| | | | | | 2 | |
|--------+--------+------------+-------+-------+------+------|
| 120MHz | 60MHz | 2x | 1 & 2 | 1 & | Open | Open |
| | | | | 2, 3 | | |
| | | | | & 4 | | |
|--------+--------+------------+-------+-------+------+------|
| 133MHz | 66MHz | 2x | 1 & 2 | 1 & 2 | Open | Open |
|--------+--------+------------+-------+-------+------+------|
| 150MHz | 60MHz | 2.5x | 1 & 2 | 1 & | Open | 1 & |
| | | | | 2, 3 | | 2 |
| | | | | & 4 | | |
|--------+--------+------------+-------+-------+------+------|
| 166MHz | 66MHz | 2.5x | 1 & 2 | 1 & 2 | Open | 1 & |
| | | | | | | 2 |
|--------+--------+------------+-------+-------+------+------|
| 180MHz | 60MHz | 3x | Open | 1 & | Open | 1 & |
| | | | | 2, 3 | | 2 |
| | | | | & 4 | | |
|--------+--------+------------+-------+-------+------+------|
| 200MHz | 66MHz | 3x | Open | 1 & 2 | Open | 1 & |
| | | | | | | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| Channel | J31 |
|----------------------------+-------------------------------|
| 1 | Pins 3 & 4, 7 & 8 closed |
|----------------------------+-------------------------------|
| 3 | Pins 1 & 2, 5 & 6 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| WATCH DOG TIMER/ISA BUS SELECTION |
|------------------------------------------------------------|
| Setting | J33 |
|---------------------------------+--------------------------|
| » | IRQ11 for watch dog timer | Pins 1 & 3, 2 & 4 closed |
| | and ISA bus | |
|---+-----------------------------+--------------------------|
| | IRQ11 for watch dog timer | Pins 1 & 3 closed |
| | only | |
|---+-----------------------------+--------------------------|
| | IRQ11 for ISA bus only | Pins 3 & 4 closed |
+------------------------------------------------------------+