DIAMOND FLOWER, INC.
G486-EVB (REV. A)
Processor |
CX486S/80486SX/SL80486SX/CX486S2/CX486DX/AM486DXL/80486DX/SL80486DX/CX486DX2/AM486DXT(NV8T)/80486DX2/SL80486DX2/SL80486DX4 |
Processor Speed |
25/33/40/50(internal)/66(internal)/75(internal)/80(internal)/ 100(internal)MHz |
Chip Set |
Unidentified |
Video Chip Set |
None |
Maximum Onboard Memory |
64MB |
Maximum Video Memory |
None |
Cache |
128/256/512KB |
BIOS |
Unidentified |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit VESA local bus slots (3), green PC connector |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Green PC LED |
D6 |
Green PC connector |
JP44 |
External battery |
JP14 |
Reset switch |
JP45 |
Power LED & keylock |
JP40 |
32-bit VESA local bus slots |
SL1 SL3 |
Speaker |
JP41 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
|
Battery type select external |
JP3 |
Pins 1 & 2 closed |
Battery type select internal |
JP3 |
Pins 2 & 3 closed | |
|
BIOS type select 27512 |
JP10 |
Open |
BIOS type select 28F010 |
JP10 |
Closed | |
|
Factory configured - do not alter |
JP15 |
Closed |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
1MB |
(1) 256K x 36 |
None |
None |
None |
4MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
4MB |
(1) 1M x 36 |
None |
None |
None |
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
None |
None |
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
16MB |
(1) 4M x 36 |
None |
None |
None |
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
None |
None |
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
CACHE CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
TAG |
128KB |
(4) 32K x 8 |
None |
(1) 8K x 8 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
512KB |
(4) 128K x 8 |
None |
(1) 32K x 8 |
CACHE JUMPER CONFIGURATION | ||||||
Size |
JP19 |
JP20 |
JP21 |
JP26 |
JP27 |
JP28 |
128KB |
Open |
2 & 3 |
2 & 3 |
Closed |
Closed |
Open |
256KB |
Open |
1 & 2 |
1 & 2 |
Closed |
Closed |
Closed |
512KB |
Closed |
2 & 3 |
1 & 2 |
Closed |
Closed |
Closed |
Note: Pins designated should be in the closed position. |
CPU SPEED SELECTION | |||||
Speed |
JP36 |
JP37 |
S1 |
S2 |
S3 |
25MHz |
1 & 2 |
1 & 2 |
Closed |
Open |
Open |
33MHz |
1 & 2 |
1 & 2 |
Closed |
Closed |
Closed |
40MHz |
1 & 2 |
1 & 2 |
Closed |
Closed |
Open |
50iMHz |
1 & 2 |
1 & 2 |
Closed |
Open |
Open |
66iMHz |
1 & 2 |
1 & 2 |
Closed |
Closed |
Closed |
75iMHz |
1 & 2 |
1 & 2 |
Closed |
Open |
Open |
80iMHz |
1 & 2 |
1 & 2 |
Closed |
Closed |
Open |
100iMHz |
1 & 2 |
1 & 2 |
Closed |
Closed |
Closed |
120iMHz |
1 & 2 |
1 & 2 |
Closed |
Closed |
Open |
Note: Pins designated should be in the closed position. |
CPU TYPE SELECTION | |||||
Type |
JP17 |
JP18 |
JP22 |
JP23 |
JP24 |
CX486S |
Closed |
Open |
2 & 3 |
2 & 3 |
2 & 3 |
80486SX |
Open |
Open |
N/A |
N/A |
N/A |
SL80486SX |
Open |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
CX486S2 |
Closed |
Open |
2 & 3 |
2 & 3 |
2 & 3 |
CX486DX |
Closed |
Closed |
2 & 3 |
2 & 3 |
2 & 3 |
AM486DXL |
Open |
Open |
Open |
Open |
Open |
80486DX |
Open |
Open |
N/A |
N/A |
N/A |
SL80486DX |
Open |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
CX486DX2 |
Closed |
Closed |
2 & 3 |
2 & 3 |
2 & 3 |
AM486DX2 (NV8T) |
Open |
Open |
Open |
Open |
Open |
80486DX2 |
Open |
Open |
N/A |
N/A |
N/A |
SL80486DX2 |
Open |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
SL80486DX4 |
Open |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
Note: Pins designated should be in the closed position. |
CPU TYPE SELECTION (CONT) | |||||
Type |
JP25 |
JP29 |
JP30 |
JP31 |
JP49 |
CX486S |
Open |
2 & 3 |
Open |
Open |
Open |
80486SX |
N/A |
2 & 3 |
Open |
Open |
N/A |
SL80486SX |
Open |
2 & 3 |
Open |
Open |
Open |
CX486S2 |
Open |
2 & 3 |
Open |
Open |
Open |
CX486DX |
Open |
1 & 2 |
2 & 3 |
Closed |
Open |
AM486DXL |
Closed |
1 & 2 |
2 & 3 |
Closed |
Closed |
80486DX |
N/A |
1 & 2 |
2 & 3 |
Closed |
N/A |
SL80486DX |
Open |
1 & 2 |
2 & 3 |
Closed |
Open |
CX486DX2 |
Open |
1 & 2 |
2 & 3 |
Closed |
Open |
AM486DX2 (NV8T) |
Open |
1 & 2 |
2 & 3 |
Closed |
Open |
80486DX2 |
N/A |
1 & 2 |
2 & 3 |
Closed |
N/A |
SL80486DX2 |
Open |
1 & 2 |
2 & 3 |
Closed |
Open |
SL80486DX4 |
Open |
1 & 2 |
2 & 3 |
Closed |
Open |
Note: Pins designated should be in the closed position. |
CPU TYPE SELECTION | |
Type |
JP38 |
SL-enhanced |
Open |
Non SL-enhanced |
Closed |
CPU VOLTAGE SELECTION | ||
Voltage |
JP32 | |
3.3v |
Pins 5 & 6, 7 & 8 closed | |
5v |
Pins 1 & 2, 3 & 4 closed |
VL BUS WAIT STATE SELECTION | ||
Setting |
JP50 | |
0 |
Open | |
1 |
Closed |
VL BUS SPEED SELECTION | ||
Speed |
JP51 | |
<= 33MHz |
Open | |
>33 MHz |
Closed |