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# HAWK COMPUTERS
486 CACHE VER. 1
Processor 80486DX
Processor Speed 25/33MHz
Chip Set Hawk
Max. Onboard DRAM 8MB
Cache 64/128/256/512KB (on external cache card)
BIOS AMI
Dimensions 330mm x 218mm
I/O Options 32-bit external memory card slot, 32-bit
external cache card slot
NPU Options 4167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| External battery | J1 | Turbo LED | J91 |
|------------------+----------+-------------------+----------|
| Turbo switch | J25 | External cache | S2 |
| | | card | |
|------------------+----------+-------------------+----------|
| Speaker | J26 | External memory | S8 |
| | | card | |
|------------------+----------+-------------------+----------|
| Power LED & | J27 | Reset switch | SW1 |
| keylock | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Factory configured - do not | JP1 | pins 2 & 3 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | JP2 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP2 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 1MB | (4) 256K x | NONE | NONE | NONE |
| | 9 | | | |
|-------+-------------+------------+------------+------------|
| 2MB | (4) 256K x | (4) 256K x | NONE | NONE |
| | 9 | 9 | | |
|-------+-------------+------------+------------+------------|
| 4MB | (4) 1M x 9 | NONE | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 9MB | (4) 1M x 9 | (4) 1M x 9 | (4) 256K x | NONE |
| | | | 9 | |
|-------+-------------+------------+------------+------------|
| 10MB | (4) 1M x 9 | (4) 1M x 9 | (4) 256K x | (4) 256K x |
| | | | 9 | 9 |
|-------+-------------+------------+------------+------------|
| 12MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | NONE |
|-------+-------------+------------+------------+------------|
| 16MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
|------------------------------------------------------------|
| Note: Banks 2 & 3 are used when an external memory card is |
| installed. |
| |
| Jumpers 1 - 8 on card should each have pins 2 & 3 closed |
| at all times. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP5 | JP6 |
|--------------------+-------------------+-------------------|
| Enabled | Open | Open |
|--------------------+-------------------+-------------------|
| Disabled | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EXTERNAL CACHE CARD JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | J1 | J2 | J3 | J4 | J5 | J6 |
|-------+-----------+-------+--------+--------+-----+--------|
| 64KB | Open | 1 & 2 | Closed | Closed | 1 & | Closed |
| | | | | | 2 | |
|-------+-----------+-------+--------+--------+-----+--------|
| 128KB | Open | 2 & 3 | Closed | Open | 1 & | Closed |
| | | | | | 2 | |
|-------+-----------+-------+--------+--------+-----+--------|
| 256KB | Closed | 2 & 3 | Open | Closed | 2 & | Closed |
| | | | | | 3 | |
|-------+-----------+-------+--------+--------+-----+--------|
| 512KB | Closed | 2 & 3 | Open | Open | 2 & | Open |
| | | | | | 3 | |
|------------------------------------------------------------|
| Note: Proprietary external cache card fits in expansion |
| slot S2 only. Pins designated should be in the closed |
| position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Size | JP3 | JP4 |
|------------------+--------------------+--------------------|
| 25MHz | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 33MHz | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+