AMERICAN DIGICOM CORPORATION
DIGIS-3486HN
Processor |
CX486DLC/80386DX/80486SX/80487SX/80486DX/80486DX2 |
Processor Speed |
20/25/33/40/50(internal)/50/66(internal)MHz |
Chip Set |
OPTi |
Max. Onboard DRAM |
32MB |
Cache |
64/128/256KB |
BIOS |
AMI |
Dimensions |
330mm x 218mm |
I/O Options |
None |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
J2 |
Turbo LED |
J44 |
Power LED & keylock |
J42 |
Reset switch |
J45 |
Turbo switch |
J43 |
Speaker |
SPKR |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
CMOS memory normal operation |
J3 |
pins 2 & 3 closed |
CMOS memory clear |
J3 |
pins 1 & 2 closed | |
» |
Monitor type select color |
J6 |
Closed |
Monitor type select monochrome |
J6 |
Open | |
» |
Supports CYRIX CPU |
JP25 |
Closed |
Supports other CPU |
JP26 |
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) 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) 4M x 9 |
20MB |
(4) 1M x 9 |
(4) 1M x 9 |
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
CACHE CONFIGURATION | |||||
Size |
Max Cachable |
Bank 0 |
Bank 1 |
TAG/U29 |
TAG/U30 |
64KB |
8MB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
NONE |
128KB |
16MB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
NONE |
256KB |
32MB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 8K x 8 |
(1) 8K x 8 |
CACHE JUMPER CONFIGURATION | ||||
Size |
J34 |
J36 |
J37 |
J38 |
64KB |
Open |
pins 2 & 3 closed |
Open |
Open |
128KB |
Closed |
pins 1 & 2 closed |
Closed |
Closed |
256KB |
Closed |
pins 2 & 3 closed |
Closed |
Closed |
CPU SPEED CONFIGURATION | ||||
Speed |
J30 |
J32 |
J39 |
J40 |
20MHz |
Closed |
Closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
25MHz |
Open |
Open |
pins 1 & 2 closed |
pins 1 & 2 closed |
33MHz |
Open |
Closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
40MHz |
Closed |
Closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
50i MHz |
Open |
Open |
pins 1 & 2 closed |
pins 1 & 2 closed |
50MHz |
Open |
Open |
pins 2 & 3 closed |
pins 2 & 3 closed |
66i MHz |
Open |
Closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
CPU TYPE CONFIGURATION | |||||||
Type |
J23 |
J24 |
J27 |
J28 |
J29 |
J31 |
J41 |
CX486DLC |
1 & 2 |
Closed |
N/A |
N/A |
N/A |
Open |
N/A |
80386DX PGA |
1 & 2 |
Closed |
N/A |
N/A |
N/A |
Open |
N/A |
80386DX PQFP |
1 & 2 |
Open |
N/A |
N/A |
N/A |
Open |
N/A |
80486SX PGA |
2 & 3 |
N/A |
Closed |
Open |
2 & 3 |
Closed |
Open |
80486SX PQFP |
2 & 3 |
N/A |
Open |
Closed |
2 & 3 |
Closed |
Open |
80487SX |
2 & 3 |
N/A |
Closed |
Open |
2 & 3 |
Closed |
2 & 3 |
80486DX |
2 & 3 |
N/A |
Closed |
Closed |
1 & 2 |
Closed |
1 & 2 |
80486DX2 |
2 & 3 |
N/A |
Closed |
Closed |
1 & 2 |
Closed |
1 & 2 |
Note:Pins designated should be in the closed position. |