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# OCEAN INFORMATION SYSTEMS, INC.
HIPPO-IV 80486 (VERSION 1)
Processor 80486SX/80487sx/80486dx/odp486sx/80486dx2
Processor Speed 25/33/50(internal)/66(internal)MHz
Chip Set Headland
Max. onboard DRAM 32MB
SRAM Cache None
BIOS AMI
Dimensions 330mm x 218mm
I/O Options VGA port
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+----------+---------------------+----------|
| VGA port | JP4 | Turbo switch | P4 |
|----------------+----------+---------------------+----------|
| Reset switch | P1 | Power LED & keylock | P5 |
|----------------+----------+---------------------+----------|
| Speaker | P2 | External battery | P8 |
|----------------+----------+---------------------+----------|
| Turbo LED | P3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|---------------------------------------+--------+-----------|
| » | Onboard local bus VGA card | JP2 | pins 2 & |
| | enabled | | 3 closed |
|---+-----------------------------------+--------+-----------|
| | Onboard local bus VGA card | JP2 | pins 1 & |
| | disabled | | 2 closed |
|---+-----------------------------------+--------+-----------|
| » | Monitor type auto-detect | JP3 | pins 1 & |
| | | | 2 closed |
|---+-----------------------------------+--------+-----------|
| | Monitor type monochrome | JP3 | pins 2 & |
| | | | 3 closed |
|---+-----------------------------------+--------+-----------|
| | Monitor type color | JP3 | Open |
|---+-----------------------------------+--------+-----------|
| » | Display select CGA, EGA, VGA | JP5 | Closed |
|---+-----------------------------------+--------+-----------|
| | Display select monochrome | JP5 | Open |
|---+-----------------------------------+--------+-----------|
| » | CMOS memory normal operation | JP6 | Open |
|---+-----------------------------------+--------+-----------|
| | CMOS RAM memory clear | JP6 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (4) 256K x 9 | NONE |
|------------------+--------------------+--------------------|
| 2MB | (4) 256K x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 4MB | (4) 1M x 9 | NONE |
|------------------+--------------------+--------------------|
| 5MB | (4) 256K x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (4) 4M x 9 | NONE |
|------------------+--------------------+--------------------|
| 20MB | (4) 4M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VRAM SIZE CONFIGURATION |
|------------------------------------------------------------|
| Size | JP7 | JP8 |
|-------------------+--------------------+-------------------|
| 256K | Open | Open |
|-------------------+--------------------+-------------------|
| 512K | Open | Closed |
|-------------------+--------------------+-------------------|
| 1MB | Closed | Open |
+------------------------------------------------------------+