OCEAN INFORMATION SYSTEMS, INC.
HIPPO-IV DCA
|
Processor |
80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive |
|
Processor Speed |
25/33/50(internal)/50/66(internal)MHz |
|
Chip Set |
Unidentified |
|
Max. Onboard DRAM |
128MB |
|
Cache |
None |
|
BIOS |
Unidentified |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
VGA feature connector |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
VGA feature connector |
JP4 |
Turbo LED |
P4 |
|
Reset switch |
P1 |
Power LED & keylock |
P5 |
|
Speaker |
P2 |
External battery |
P8 |
|
Turbo switch |
P3 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
On board VGA disabled |
JP2 |
pins 1 & 2 closed |
|
On board VGA enabled |
JP2 |
pins 2 & 3 closed | |
|
|
Monitor type select auto detect |
JP3 |
pins 1 & 2 closed |
|
Monitor type select monochrome |
JP3 |
pins 2 & 3 closed | |
|
Monitor type select color |
JP3 |
Open | |
|
|
Monitor type select CGA/EGA/VGA |
JP5 |
Closed |
|
Monitor type select monochrome |
JP5 |
Open | |
|
|
CMOS memory normal operation |
JP6 |
Open |
|
CMOS memory clear |
JP6 |
Closed | |
|
|
Factory configured - do not alter |
JP9 |
Open |
|
|
Factory configured - do not alter |
JP10 |
Open |
|
|
Factory configured - do not alter |
JP11 |
Open |
|
|
Factory configured - do not alter |
JP14 |
Open |
|
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) 1M x 9 |
(4) 256K x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
17MB |
(4) 4M x 9 |
(4) 256K x 9 |
|
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
64MB |
(4) 16M x 9 |
NONE |
|
65MB |
(4) 16M x 9 |
(4) 256K x 9 |
|
68MB |
(4) 16M x 9 |
(4) 1M x 9 |
|
80MB |
(4) 16M x 9 |
(4) 4M x 9 |
|
128MB |
(4) 16M x 9 |
(4) 16M x 9 |
|
CACHE CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
|
512KB |
(4) 128K x 8 |
NONE |
|
1MB |
(4) 128K x 8 |
(4) 128K x 8 |
|
CACHE JUMPER CONFIGURATION | ||
|
Size |
JP7 |
JP8 |
|
256KB |
Open |
Open |
|
512KB |
Open |
Closed |
|
1MB |
Closed |
Open |
|
CPU TYPE CONFIGURATION | |
|
Type |
JP1 |
|
80486SX |
pins 1 & 2 closed |
|
80487SX |
pins 3 & 4 closed |
|
80486DX/DX2 |
pins 3 & 4 closed |
|
Overdrive |
pins 3 & 4 closed |
|
CPU SPEED CONFIGURATION | ||
|
Speed |
JP12 |
JP13 |
|
25MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
33MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
50iMHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
66iMHz |
pins 1 & 2 closed |
pins 2 & 3 closed |