DIAMOND FLOWER, INC.
486-OCV PLUS
Processor |
80486SX/80486DX/80486DX2/Pentium Overdrive |
Processor Speed |
25/33/40/50(internal)/50/66(internal)/66MHz |
Chip Set |
Opti |
Max. Onboard DRAM |
64MB |
Cache |
64/128/256KB |
BIOS |
AMI |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit VESA local bus slots (2) |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Diagnostic LCD port |
J1 |
Turbo switch |
J7 |
Keyboard connector |
J2 |
Reset switch |
J8 |
Speaker |
J3 |
PS/2 mouse port |
J9 |
Power LED & keylock |
J4 |
External battery |
J10 |
Turbo LED |
J5 |
32-bit VESA Local bus slots |
SL1, SL2 |
Reset switch |
J6 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
|
CMOS memory normal operation (External Battery) |
J11 |
pins 1,2,3 open |
CMOS memory normal operation (Internal Battery) |
J11 |
pins 1 & 2 closed | |
CMOS memory clear |
J11 |
pins 2 & 3 closed | |
|
Factory configured - do not alter |
JP13 |
Open |
|
Factory configured - do not alter |
JP14 |
Closed |
|
Factory configured - do not alter |
JP26 |
pins 1 & 2 closed |
|
Monitor type select color |
JP29 |
Closed |
Monitor type select monochrome |
JP29 |
Open | |
|
Factory configured - do not alter |
JP31 |
pins 1 & 2 closed |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
1MB |
(1) 256K x 36 |
NONE |
NONE |
NONE |
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
NONE |
2MB |
(1) 512K x 36 |
NONE |
NONE |
NONE |
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
5MB |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
NONE |
6MB |
(1) 2M x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
6MB |
(1) 512K x 36 |
NONE |
(1) 1M x 36 |
NONE |
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
8MB |
(4) 2M x 36 |
NONE |
NONE |
NONE |
9MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
9MB |
(4) 2M x 36 |
NONE |
(1) 256K x 36 |
NONE |
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
12MB |
(4) 2M x 36 |
NONE |
(1) 1M x 36 |
NONE |
13MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
13MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
NONE |
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
16MB |
(4) 4M x 36 |
NONE |
NONE |
NONE |
16MB |
(4) 2M x 36 |
NONE |
(1) 2M x 36 |
NONE |
18MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 4M x 36 |
NONE |
18MB |
(1) 512K x 36 |
NONE |
(1) 4M x 36 |
NONE |
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
NONE |
20MB |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
NONE |
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
24MB |
(1) 2M x 36 |
NONE |
(1) 4M x 36 |
NONE |
24MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
24MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 4M 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 |
28MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
28MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 2M x 36 |
NONE |
28MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
28MB |
(1) 4M x 36 |
(1) 1M x 36 |
(4) 2M x 36 |
NONE |
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
32MB |
(1) 8M x 36 |
NONE |
NONE |
NONE |
34MB |
(1) 256K x 236 |
(1) 256K x 236 |
(1) 4M x 36 |
(1) 4M x 36 |
34MB |
(1) 512K x 36 |
NONE |
(1) 8M x 36 |
NONE |
36MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
36MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
36MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
36MB |
(1) 8M x 36 |
NONE |
(1) 1M x 36 |
NONE |
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
40MB |
(4) 2M x 36 |
NONE |
(1) 8M x 36 |
NONE |
40MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
40MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
40MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
40MB |
(1) 8M x 36 |
NONE |
(1) 2M x 36 |
NONE |
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
48MB |
(1) 8M x 36 |
NONE |
(1) 4M x 36 |
NONE |
52MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
52MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
NONE |
52MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
52MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
NONE |
52MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
52MB |
(4) 8M x 36 |
NONE |
(1) 4M x 36 |
(1) 1M x 36 |
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
64MB |
(1) 8M x 36 |
NONE |
(1) 8M x 36 |
NONE |
CPU SPEED SELECTION | ||
Speed |
JP12 |
JP25 |
25MHz |
Open |
pins 2 & 3 closed |
33MHz |
Closed |
pins 2 & 3 closed |
50iMHz |
Open |
pins 1 & 2 closed |
50MHz |
Open |
pins 2 & 3 closed |
66iMHz |
Closed |
pins 2 & 3 closed |
CACHE CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
TAG |
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
8K x 8 |
128KB |
(4) 32K x 8 |
NONE |
8K x 8 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
16K x 8 or 32K x 8 |
CACHE JUMPER CONFIGURATION | ||||
Size |
JP6 |
JP7 |
JP8 |
JP9 |
64KB |
Open |
Open |
pins 2 & 3 closed |
pins 2 & 3 closed |
128KB |
Closed |
Open |
pins 1 & 2 closed |
pins 1 & 2 closed |
256KB |
Closed |
Closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
VESA WAIT STATE/BUS SPEED CONFIGURATION | |||
CPU speed |
Wait states |
JP23 |
JP24 |
< 33MHz |
0 wait states |
Open |
Open |
> 33MHz |
1 wait state |
Closed |
Closed |
VESA CONFIGURATION | ||
Function |
JP18 |
JP34 |
No delay |
pins 2 & 3 closed |
pins 2 & 3 closed |
Delay 1 PLCK |
pins 1 & 2 closed |
pins 1 & 2,3 & 4 closed |
Note:If using a 80486DX 50mhz CPU, the recommended setting is for delay 1 PLCK. |