SPRINT MANUFACTURING CORPORATION
MB-486VI
|
Processor |
80486SX/80486DX/80486DX2/80486DX4/P24D/P24T |
|
Processor Speed |
16/20/25/33/40/50(internal)/50/66(internal)/75(internal)/ 80(internal)/100(internal)MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
128MB |
|
Maximum Video Memory |
None |
|
Cache |
64/128/256/512/1024KB |
|
BIOS |
AMI |
|
Dimensions |
254mm x 218mm |
|
I/O Options |
32-bit VESA local bus slots (3) |
|
NPU Options |
None |
|
CONNECTIONS | |
|
Purpose |
Location |
|
32-bit VESA local bus slots |
SL1 - SL3 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
Monitor type select color |
JP17 |
Closed | |
|
Monitor type select monochrome |
JP17 |
Open | |
|
BIOS type select EPROM |
JP18 |
Pins 1 & 2 closed | |
|
BIOS type select flash |
JP18 |
Pins 2 & 3 closed | |
|
» |
Factory configured - do not alter |
JP22 |
Closed |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
1MB |
(1) 256K x 36 |
None |
None |
None |
|
2MB |
(1) 512K x 36 |
None |
None |
None |
|
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
None |
None |
|
3MB |
(1) 512K x 36 |
(1) 256K x 36 |
None |
None |
|
3MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
|
3MB |
(1) 256K x 36 |
(1) 512K x 36 |
None |
None |
|
4MB |
(1) 1M x 36 |
None |
None |
None |
|
4MB |
(1) 512K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
|
4MB |
(1) 512K x 36 |
(1) 512K x 36 |
None |
None |
|
4MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
5MB |
(1) 1M x 36 |
(1) 256K x 36 |
None |
None |
|
5MB |
(1) 512K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
5MB |
(1) 256K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
None |
|
5MB |
(1) 256K x 36 |
(1) 1M x 36 |
None |
None |
|
6MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
|
6MB |
(1) 1M x 36 |
(1) 512K x 36 |
None |
None |
|
6MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
None |
|
6MB |
(1) 512K x 36 |
(1) 1M x 36 |
None |
None |
|
7MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
7MB |
(1) 256K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
|
8MB |
(1) 2M x 36 |
None |
None |
None |
|
8MB |
(1) 1M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
None |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
None |
None |
|
8MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
|
9MB |
(1) 2M x 36 |
(1) 256K x 36 |
None |
None |
|
9MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
|
9MB |
(1) 256K x 36 |
(1) 2M x 36 |
None |
None |
|
10MB |
(1) 2M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
|
10MB |
(1) 2M x 36 |
(1) 512K x 36 |
None |
None |
|
10MB |
(1) 1M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
|
10MB |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
|
10MB |
(1) 512K x 36 |
(1) 2M x 36 |
None |
None |
|
11MB |
(1) 2M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
12MB |
(1) 2M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
None |
|
DRAM CONFIGURATION (CON’T) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
12MB |
(1) 2M x 36 |
(1) 1M x 36 |
None |
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 |
|
13MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
14MB |
(1) 2M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
|
14MB |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
16MB |
(1) 4M x 36 |
None |
None |
None |
|
16MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
None |
None |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
17MB |
(1) 4M x 36 |
(1) 256K x 36 |
None |
None |
|
17MB |
(1) 256K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
17MB |
(1) 256K x 36 |
(1) 4M x 36 |
None |
None |
|
18MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
|
18MB |
(1) 4M x 36 |
(1) 512K x 36 |
None |
None |
|
18MB |
(1) 512K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
18MB |
(1) 512K x 36 |
(1) 4M x 36 |
None |
None |
|
19MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
20MB |
(1) 4M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
None |
|
20MB |
(1) 4M x 36 |
(1) 1M x 36 |
None |
None |
|
20MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
20MB |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
None |
None |
|
22MB |
(1) 4M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
|
24MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
|
24MB |
(1) 4M x 36 |
(1) 2M x 36 |
None |
None |
|
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
24MB |
(1) 2M x 36 |
(1) 4M x 36 |
None |
None |
|
25MB |
(1) 256K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
26MB |
(1) 512K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
28MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
28MB |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
32MB |
(1) 8M x 36 |
None |
None |
None |
|
32MB |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
None |
None |
|
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
33MB |
(1) 8M x 36 |
(1) 256K x 36 |
None |
None |
|
33MB |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
|
33MB |
(1) 256K x 36 |
(1) 8M x 36 |
None |
None |
|
34MB |
(1) 8M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
|
34MB |
(1) 8M x 36 |
(1) 512K x 36 |
None |
None |
|
34MB |
(1) 512K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
|
DRAM CONFIGURATION (CON’T) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
34MB |
(1) 512K x 36 |
(1) 8M x 36 |
None |
None |
|
35MB |
(1) 8M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
36MB |
(1) 8M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
None |
|
36MB |
(1) 8M x 36 |
(1) 1M x 36 |
None |
None |
|
36MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
|
36MB |
(1) 1M x 36 |
(1) 8M x 36 |
None |
None |
|
38MB |
(1) 8M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
|
40MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
|
40MB |
(1) 8M x 36 |
(1) 2M x 36 |
None |
None |
|
40MB |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
40MB |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
|
40MB |
(1) 2M x 36 |
(1) 8M x 36 |
None |
None |
|
44MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
48MB |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
48MB |
(1) 8M x 36 |
(1) 4M x 36 |
None |
None |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
|
48MB |
(1) 4M x 36 |
(1) 8M x 36 |
None |
None |
|
49MB |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
50MB |
(1) 512K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
52MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
56MB |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
56MB |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
64MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
None |
None |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
65MB |
(1) 256K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
|
66MB |
(1) 512K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
|
68MB |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
|
72MB |
(1) 2M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
|
80MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
80MB |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
|
96MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
|
97MB |
(1) 256K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
98MB |
(1) 512K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
100MB |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
104MB |
(1) 2M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
112MB |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
128MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
Note: Board also accepts x 32 SIMMs. | ||||
|
DRAM JUMPER CONFIGURATION | |
|
Type |
JP3 |
|
Normal SIMM |
Open |
|
4K fast refresh 4M x 16 SIMM |
Closed |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(2) 8K x 8 |
|
128KB |
(4) 32K x 8 |
None |
(2) 8K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(2) 32K x 8 |
|
512KB |
(4) 128K x 8 |
None |
(2) 32K x 8 |
|
1MB |
(4) 128K x 8 |
(4) 128K x 8 |
(2) 128K x 8 |
|
Note: The location of banks 0 & 1, data TAG & TAG are unidentified. | |||
|
CACHE JUMPER CONFIGURATION | |||||
|
Size |
JD1 |
JD2 |
JT1 |
JT2 |
JT3 |
|
64KB |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
|
128KB |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
|
256KB |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
|
512KB |
1 & 2 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
|
1MB |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
Note: Pins designated should be in the closed position. | |||||
|
CACHE TAG CONFIGURATION | |
|
Setting |
JP16 |
|
TAG combined |
Pins 1 & 2 closed |
|
TAG separated |
Pins 2 & 3 closed |
|
CPU CLOCK SPEED SELECTION | |||
|
Speed |
JP25 |
JP26 |
JP27 |
|
16MHz |
Closed |
Closed |
Closed |
|
20MHz |
Open |
Closed |
Closed |
|
25MHz |
Closed |
Open |
Closed |
|
33MHz |
Open |
Open |
Closed |
|
40MHz |
Closed |
Closed |
Open |
|
50MHz |
Open |
Closed |
Open |
|
66MHz |
Closed |
Open |
Open |
|
CPU TYPE SELECTION | ||||||
|
Type |
JP5 |
JP6 |
JP7 |
JP11 |
JP41 |
RN1 |
|
80486SX |
2 & 3 |
Closed |
N/A |
N/A |
N/A |
Not installed |
|
80486DX |
1 & 2 |
Closed |
N/A |
1 & 2 |
N/A |
Installed |
|
80486DX2 |
1 & 2 |
Closed |
N/A |
1 & 2 |
N/A |
Installed |
|
80486DX4 |
1 & 2 |
Closed |
N/A |
1 & 2 |
N/A |
Installed |
|
P24D |
1 & 2 |
Closed |
2 & 3 |
1 & 2 |
1 & 2 |
Installed |
|
P24T |
1 & 2 |
N/A |
N/A |
2 & 3 |
N/A |
Installed |
|
Note: Pins designated should be in the closed position. | ||||||
|
CPU TYPE SELECTION | ||
|
Type |
JP2 |
RN2 |
|
Non SL-enhanced |
Open |
Not installed |
|
SL-enhanced |
Closed |
Installed |
|
CPU TYPE SELECTION (P24D & P24T ONLY) | ||
|
Type |
JP1 |
JP4 |
|
Write back |
Closed |
Closed |
|
Write through |
Open |
Open |
|
CPU MULTIPLIER SELECTION | |
|
Multiplier |
JP10 |
|
2x |
Pins 1 & 2 closed |
|
2.5x |
Pins 2 & 3 closed |
|
3x |
Open |
|
VL BUS WAIT STATE SELECTION | |
|
Setting |
JP20 |
|
0 |
Pins 1 & 2 closed |
|
1 |
Pins 2 & 3 closed |
|
VL-BUS SPEED SELECTION | |
|
Setting |
JP21 |
|
<= 33MHz |
Pins 1 & 2 closed |
|
>33 MHz |
Pins 2 & 3 closed |