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# I-BUS
SHARK
Processor Pentium
Processor 90/100MHz
Speed
Chip Set OPTI
Max. Onboard 128MB
DRAM
Cache 256/512KB
BIOS Unidentified
Dimensions 300mm x 89mm
I/O Options Floppy drive interface, IDE interface, parallel
port, PS/2 mouse port, serial ports (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| IDE interface LED | J1 | Serial port 2 | J6 |
|-------------------+----------+------------------+----------|
| IDE interface | J2 | Auxiliary | J9 |
| | | keyboard | |
| | | connector | |
|-------------------+----------+------------------+----------|
| Floppy drive | J3 | Speaker | J10 |
| interface | | | |
|-------------------+----------+------------------+----------|
| Parallel port | J4 | 32-bit system | J13 |
| | | memory card | |
|-------------------+----------+------------------+----------|
| Serial port 1 | J5 | PS/2 mouse port | J20 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | Floppy drive type select | J8 | pins 1 & 2 |
| | 1.44MB | | closed |
|---+--------------------------------+--------+--------------|
| | Floppy drive type select | J8 | pins 3 & 4, |
| | 2.88MB | | 5 & 6 closed |
|---+--------------------------------+--------+--------------|
| » | IDE IRQ14 enabled | J11 | Closed |
|---+--------------------------------+--------+--------------|
| | IDE IRQ14 disabled | J11 | Open |
|---+--------------------------------+--------+--------------|
| » | Password enabled | J12 | Closed |
|---+--------------------------------+--------+--------------|
| | Password disabled | J12 | Open |
|---+--------------------------------+--------+--------------|
| » | Mouse IRQ12 enabled | J14 | Closed |
|---+--------------------------------+--------+--------------|
| | Mouse IRQ12 disabled | J14 | Open |
|---+--------------------------------+--------+--------------|
| » | CPU normal operation | J16 | Open |
|---+--------------------------------+--------+--------------|
| | CPU stop clock enabled | J16 | Closed |
|---+--------------------------------+--------+--------------|
| » | Cache invalidate select always | J17 | pins 2 & 3 |
| | invalidated | | closed |
|---+--------------------------------+--------+--------------|
| | Cache invalidate select | J17 | pins 1 & 2 |
| | invalidate on write only | | closed |
|---+--------------------------------+--------+--------------|
| » | CMOS memory normal operation | J19 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | CMOS memory clear | J19 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | On board battery disabled | J19 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 36 | NONE |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 36 | NONE |
|------------------+--------------------+--------------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4M x 36 | NONE |
|------------------+--------------------+--------------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8M x 36 | NONE |
|------------------+--------------------+--------------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|----------------+---------------------+---------------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 |
|----------------+---------------------+---------------------|
| 512KB | (4) 64K x 8 | (4) 64K x 8 |
|------------------------------------------------------------|
| Note: Board will be factory installed with either 256KB or |
| 512KB cache |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | J7 | J21 |
|------------+--------------------------+--------------------|
| 256KB | pins 3 & 5, 4 & 6 closed | Open |
|------------+--------------------------+--------------------|
| 512KB | pins 1 & 3, 2 & 4 closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | Clock speed | J24 |
|--------------+------------------+--------------------------|
| 90MHz | 1.5x | pins 1 & 2, 3 & 4 closed |
|--------------+------------------+--------------------------|
| 100MHz | 1.5x | pins 3 & 4 closed |
|--------------+------------------+--------------------------|
| 100MHz | 2x | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | J15 |
|------------------------------+-----------------------------|
| 1.5x | Open |
|------------------------------+-----------------------------|
| 2x | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CONFIGURATION |
|------------------------------------------------------------|
| DMA | J23 |
|----------------------------+-------------------------------|
| DMA 1 | pins 3 & 4, 7 & 8 closed |
|----------------------------+-------------------------------|
| DMA 3 | pins 1 & 2, 5 & 6 closed |
+------------------------------------------------------------+