MYLEX CORPORATION
MVE486
|
Processor |
80486SX/80487SX/80486DX/ODP486SX/80486DX2 |
|
Processor Speed |
20/25/33/50(internal)/50/66(internal)MHz |
|
Chip Set |
OPTI |
|
Max. Onboard DRAM |
128MB |
|
Cache |
64/128/256KB |
|
BIOS |
MYLEX |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit VESA local bus slots (2), floppy drive interface, IDE interface, parallel port, serial ports (2) |
|
NPU Options |
None |
|
CONNECTIONS |
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|
Purpose |
Location |
Purpose |
Location |
|
Serial port 1 |
COM1 |
Speaker |
P19 |
|
Serial port 2 |
COM2 |
Power LED & keylock |
P20 |
|
Parallel port |
P4 |
IDE interface LED |
P21 |
|
Floppy drive interface |
P5 |
Turbo LED |
P23 |
|
IDE interface port |
P8 |
32-bit VESA Local bus slot |
S1 |
|
Reset switch |
P18 |
32-bit VESA Local bus slot |
S2 |
|
USER CONFIGURABLE SETTINGS |
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|
Function |
Jumper |
Position |
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|
» |
Factory configured - do not alter |
J1 |
On |
|
|
» |
Factory configured - do not alter |
J2 |
pins 2 & 3 closed |
|
|
» |
Factory configured - do not alter |
J3 |
pins 1 & 2 closed |
|
|
» |
Factory configured - do not alter |
J4 |
Open |
|
|
» |
Factory configured - do not alter |
J8 |
Closed |
|
|
» |
Factory configured - do not alter |
J12 |
Closed |
|
|
» |
Factory configured - do not alter |
J16 |
Closed |
|
|
» |
Factory configured - do not alter |
J17 |
Closed |
|
|
» |
Factory configured - do not alter |
J19 |
Closed |
|
|
» |
Factory configured - do not alter |
J21 |
Closed |
|
|
» |
Factory configured - do not alter |
J23 |
Closed |
|
|
» |
Factory configured - do not alter |
J30 |
Open |
|
|
» |
Monitor type select color |
P1 |
Closed |
|
|
|
Monitor type select monochrome |
P1 |
Open |
|
|
CACHE CONFIGURATION |
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|
Size |
Max Cachable |
Bank 0 |
Bank 1 |
TAG 0 |
TAG 1 |
|
64KB |
16MB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
NONE |
|
128KB |
32MB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
NONE |
|
256KB |
63MB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 8K x 8 |
(1) 8K x 8 |
|
CACHE JUMPER CONFIGURATION |
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|
Size |
J11 |
J18 |
J20 |
J22 |
J24 |
|
64KB |
pins 2 & 3 closed |
Open |
Open |
Open |
Open |
|
128KB |
pins 1 & 2 closed |
Open |
Closed |
Open |
Closed |
|
256KB |
pins 2 & 3 closed |
Closed |
Closed |
Closed |
Closed |
|
CPU TYPE CONFIGURATION |
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|
Type |
J7 |
J13 |
|
80486SX |
pins 2 & 3 closed |
Open |
|
80487SX |
pins 1 & 2 and 3 & 4 closed |
pins 1 & 2 closed |
|
80486DX |
pins 1 & 2 and 3 & 4 closed |
pins 2 & 3 closed |
|
ODP486SX |
pins 1 & 2 and 3 & 4 closed |
pins 1 & 2 closed |
|
80486DX2 |
pins 1 & 2 and 3 & 4 closed |
pins 2 & 3 closed |
|
CPU SPEED CONFIGURATION |
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|
Speed |
J5 |
J6 |
J25 |
J26 |
J27 |
J28 |
J29 |
|
20MHz |
pins 1 & 2 |
pins 1 & 2 |
Open |
Open |
Closed |
Open |
Open |
|
25MHz |
pins 2 & 3 |
pins 1 & 2 |
Closed |
Open |
Open |
Open |
Closed |
|
33MHz |
pins 2 & 3 |
pins 1 & 2 |
Open |
Closed |
Open |
Open |
Closed |
|
50i MHz |
pins 2 & 3 |
pins 1 & 2 |
Closed |
Open |
Open |
Open |
Closed |
|
50MHz |
pins 2 & 3 |
pins 2 & 3 |
Closed |
Closed |
Open |
Closed |
Closed |
|
66i MHz |
pins 2 & 3 |
pins 1 & 2 |
Open |
Closed |
Open |
Open |
Closed |
|
Note:Pins designated should be in the closed position. |
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|
LOCAL BUS ENABLE JUMPERS |
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|
Setting |
J9 |
J10 |
J14 |
J15 |
|
Enabled |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
|
Disabled |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
|
Note:Pins designated should be in the closed position. |
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|
DRAM CONFIGURATION |
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|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
2MB |
(1) 512K x 36 |
None |
None |
None |
|
4MB |
(1) 512K x 36 |
(1) 512K x 36 |
None |
None |
|
4MB |
(1) 1M x 36 |
None |
None |
None |
|
6MB |
(1) 512K x 36 |
(1) 1M x 36 |
None |
None |
|
6MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
None |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
None |
None |
|
8MB |
(1) 2M x 36 |
(1) 2M x 36 |
None |
None |
|
8MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
|
10MB |
(1) 512K x 36 |
(1) 2M x 36 |
None |
None |
|
12MB |
(1) 1M x 36 |
(1) 2M x 36 |
None |
None |
|
12MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 2M x 36 |
None |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
|
14MB |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
None |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
None |
None |
|
16MB |
(1) 4M x 36 |
None |
None |
None |
|
16MB |
(1) 1M 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 |
|
18MB |
(1) 512K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
20MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
20MB |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
22MB |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
None |
|
26MB |
(1) 512K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
28MB |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
None |
None |
|
32MB |
(1) 8M x 36 |
None |
None |
None |
|
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 |
|
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 |
|
48MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
|
48MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 8M x 36 |
None |
|
DRAM CONFIGURATION (CONT.) |
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|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
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 |
|
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 |
|
80MB |
(1) 2M x 36 |
(1) 2M x 36 |
(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 |
|
96MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
|
128MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |