OCEAN INFORMATION SYSTEMS, INC.
HIPPO DCA2 486
|
Processor |
80486SX/SL80486SX/80487SX/CX486DX/80486DX/SL80486DX/ CX486DX2/AM486DX2/80486DX2/SL80486DX2/80486DX4/P24T |
|
Processor Speed |
25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
96MB |
|
Maximum Video Memory |
None |
|
Cache |
None |
|
BIOS |
AMI/MR |
|
Dimensions |
279mm x 215mm |
|
I/O Options |
32-bit VESA local bus slots (3) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Chassis fan power |
JP2 |
Speaker |
P4 |
|
Reset switch |
P1 |
Power LED & keylock |
P5 |
|
Turbo switch |
P2 |
External battery |
P8 |
|
Turbo LED |
P3 |
32-bit VESA local bus slots |
SL1 - SL3 |
|
Note: JP2 may not be present. | |||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
» |
Fan voltage select 12v |
JP1 |
Pins 2 & 3 closed |
|
Fan voltage select 5v |
JP1 |
Pins 1 & 2 closed | |
|
» |
Reserved for future use (CPU signal reset source) |
JP5 |
Pins 1 & 2 closed |
|
» |
Reserved for future use (SL CPU select) |
JP13 |
Pins 2 & 3 closed |
|
» |
Reserved for future use (CPU multiplier 2.5x) |
JP16 |
Open |
|
» |
Reserved for future use (CPU multiplier 2x) |
JP17 |
Open |
|
» |
Reserved for future use (EPMI) |
JP18 |
Open |
|
» |
CMOS memory normal operation |
JP19 |
Pins 2 & 3 closed |
|
CMOS memory clear |
JP19 |
Pins 1 & 2 closed | |
|
» |
Power good signal detect from power supply |
JP20 |
Pins 1 & 2 closed |
|
Power good signal detect from board |
JP20 |
Pins 2 & 3 closed | |
|
» |
Monitor type select color |
JP21 |
Pins 1 & 2 closed |
|
Monitor type select monochrome |
JP21 |
Pins 2 & 3 closed | |
|
» |
Reserved for future use (Cyrix voltage select 3.3v) |
JP22 |
Open |
|
» |
Reserved for future use (Cyrix voltage select 3.6v) |
JP23 |
Open |
|
» |
Reserved for future use (Cyrix voltage select 3.8v) |
JP24 |
Open |
|
» |
Reserved for future use (Cyrix voltage select 4v) |
JP25 |
Open |
|
» |
Reserved for future use (Intel/AMD CLKMUL) |
JP26 |
Pins 1 & 2 closed |
|
» |
Reserved for future use (Intel/AMD voltage 3.45v/5v) |
JP27 |
Closed |
|
» |
Reserved for future use (force voltage to 5v) |
JP28 |
Open |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
4MB |
(1) 1M x 36 |
None |
None |
None |
|
6MB |
(1) 1M x 36 |
None |
(1) 512K x 36 |
None |
|
8MB |
(1) 1M x 36 |
None |
(1) 512K x 36 |
(1) 512K x 36 |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
None |
None |
|
8MB |
(1) 2M x 36 |
None |
None |
None |
|
12MB |
(1) 1M x 36 |
None |
(1) 2M x 36 |
None |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
|
12MB |
(1) 1M x 36 |
(1) 2M x 36 |
None |
None |
|
12MB |
(1) 2M x 36 |
None |
(1) 1M x 36 |
None |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
None |
|
DRAM CONFIGURATION (CON’T) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
16MB |
(1) 2M x 36 |
None |
(1) 1M x 36 |
(1) 1M x 36 |
|
16MB |
(1) 2M x 36 |
None |
(1) 2M x 36 |
None |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
None |
None |
|
16MB |
(1) 4M x 36 |
None |
None |
None |
|
20MB |
(1) 1M x 36 |
None |
(1) 2M x 36 |
(1) 2M x 36 |
|
20MB |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
None |
|
24MB |
(1) 2M x 36 |
None |
(1) 2M x 36 |
(1) 2M x 36 |
|
24MB |
(1) 2M x 36 |
None |
(1) 4M x 36 |
None |
|
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
24MB |
(1) 4M x 36 |
None |
(1) 2M x 36 |
None |
|
28MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
|
28MB |
(1) 2M x 36 |
None |
(1) 4M x 36 |
(1) 1M x 36 |
|
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 4M x 36 |
None |
|
32MB |
(1) 4M x 36 |
None |
(1) 2M x 36 |
(1) 2M x 36 |
|
32MB |
(1) 4M x 36 |
None |
(1) 4M x 36 |
None |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
None |
None |
|
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
None |
|
40MB |
(1) 2M x 36 |
None |
(1) 4M x 36 |
(1) 4M x 36 |
|
40MB |
(1) 2M x 36 |
None |
(1) 8M x 36 |
None |
|
48MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
48MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 8M x 36 |
None |
|
48MB |
(1) 4M x 36 |
None |
(1) 4M x 36 |
(1) 4M x 36 |
|
48MB |
(1) 4M x 36 |
None |
(1) 8M x 36 |
None |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
None |
|
72MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
72MB |
(1) 2M x 36 |
None |
(1) 8M x 36 |
(1) 8M x 36 |
|
80MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
80MB |
(1) 4M x 36 |
None |
(1) 8M x 36 |
(1) 8M x 36 |
|
96MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
Note: Banks 0 & 1 only accept Dynamicache modules. | ||||
|
CPU SPEED SELECTION | ||
|
Speed |
JP3 |
JP4 |
|
25MHz |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
33MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
50iMHz |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
66iMHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
75iMHz |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
100iMHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
CPU TYPE SELECTION | ||||||
|
Type |
JP6 |
JP7 |
JP8 |
JP10 |
JP14 |
JP15 |
|
80486SX |
Open |
Open |
Open |
2 & 3 |
2 & 3 |
2 & 3 |
|
SL80486SX |
Open |
Open |
Open |
2 & 3 |
2 & 3 |
2 & 3 |
|
80487SX |
Open |
Open |
2 & 3 |
1 & 2, 3 & 4 |
2 & 3 |
2 & 3 |
|
CX486DX |
Open |
2 & 3 |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
2 & 3 |
|
80486DX |
Open |
Open |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
2 & 3 |
|
SL80486DX |
Open |
Open |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
2 & 3 |
|
CX486DX2 |
Open |
1 & 2 |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
2 & 3 |
|
AM486DX2 |
Open |
Open |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
2 & 3 |
|
80486DX2 |
Open |
Open |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
2 & 3 |
|
SL80486DX2 |
Open |
Open |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
2 & 3 |
|
80486DX4 |
Open |
Open |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
2 & 3 |
|
P24T |
Open |
Open |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
2 & 3 |
|
VL BUS WAIT STATE SELECTION | ||
|
Setting |
JP12 | |
|
0 |
Pins 2 & 3 closed | |
| » |
1 |
Pins 1 & 2 closed |
|
VL BUS SPEED SELECTION | ||
|
Setting |
JP11 | |
| » |
<= 33MHz |
Pins 2 & 3 closed |
|
>33 MHz |
Pins 1 & 2 closed | |
|
VL BUS SELECTION | |||
|
Setting |
JP9 |
JW1 | |
| » |
Synchronous |
Open |
Pins 2 & 3 closed |
|
Nonsynchronous |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
|
MISCELLANEOUS TECHNICAL NOTE |
|
The location of pin 1 on all jumpers is unidentified. |