MYLEX CORPORATION
MVE486
|
Processor |
80486SX/80487SX/80486DX/ODP486SX/80486DX2 |
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Processor Speed |
20/25/33/50(internal)/50/66(internal)MHz |
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Chip Set |
OPTI |
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Max. Onboard DRAM |
128MB |
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Cache |
64/128/256KB |
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BIOS |
MYLEX |
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Dimensions |
330mm x 218mm |
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I/O Options |
32-bit VESA local bus slots (2), floppy drive interface, IDE interface, parallel port, serial ports (2) |
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NPU Options |
None |
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CONNECTIONS |
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Purpose |
Location |
Purpose |
Location |
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Serial port 1 |
COM1 |
Speaker |
P19 |
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Serial port 2 |
COM2 |
Power LED & keylock |
P20 |
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Parallel port |
P4 |
IDE interface LED |
P21 |
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Floppy drive interface |
P5 |
Turbo LED |
P23 |
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IDE interface port |
P8 |
32-bit VESA Local bus slot |
S1 |
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Reset switch |
P18 |
32-bit VESA Local bus slot |
S2 |
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USER CONFIGURABLE SETTINGS |
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Function |
Jumper |
Position |
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Factory configured - do not alter |
J1 |
On |
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Factory configured - do not alter |
J2 |
pins 2 & 3 closed |
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Factory configured - do not alter |
J3 |
pins 1 & 2 closed |
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Factory configured - do not alter |
J4 |
Open |
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Factory configured - do not alter |
J8 |
Closed |
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Factory configured - do not alter |
J12 |
Closed |
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Factory configured - do not alter |
J16 |
Closed |
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Factory configured - do not alter |
J17 |
Closed |
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Factory configured - do not alter |
J19 |
Closed |
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Factory configured - do not alter |
J21 |
Closed |
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Factory configured - do not alter |
J23 |
Closed |
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Factory configured - do not alter |
J30 |
Open |
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Monitor type select color |
P1 |
Closed |
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Monitor type select monochrome |
P1 |
Open |
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CACHE CONFIGURATION |
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Size |
Max Cachable |
Bank 0 |
Bank 1 |
TAG 0 |
TAG 1 |
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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 |
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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 |
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CPU TYPE CONFIGURATION |
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|
Type |
J7 |
J13 |
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80486SX |
pins 2 & 3 closed |
Open |
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80487SX |
pins 1 & 2 and 3 & 4 closed |
pins 1 & 2 closed |
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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 |
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CPU SPEED CONFIGURATION |
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Speed |
J5 |
J6 |
J25 |
J26 |
J27 |
J28 |
J29 |
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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 |
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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 |
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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 |
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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 |
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2MB |
(1) 512K x 36 |
None |
None |
None |
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4MB |
(1) 512K x 36 |
(1) 512K x 36 |
None |
None |
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4MB |
(1) 1M x 36 |
None |
None |
None |
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6MB |
(1) 512K x 36 |
(1) 1M x 36 |
None |
None |
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6MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
None |
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8MB |
(1) 1M x 36 |
(1) 1M x 36 |
None |
None |
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8MB |
(1) 2M x 36 |
(1) 2M x 36 |
None |
None |
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8MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
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10MB |
(1) 512K x 36 |
(1) 2M x 36 |
None |
None |
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12MB |
(1) 1M x 36 |
(1) 2M x 36 |
None |
None |
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12MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 2M x 36 |
None |
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12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
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14MB |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
None |
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16MB |
(1) 2M x 36 |
(1) 2M x 36 |
None |
None |
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16MB |
(1) 4M x 36 |
None |
None |
None |
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16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
None |
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16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
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18MB |
(1) 512K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
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20MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
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20MB |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
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22MB |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
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24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
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24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
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24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
None |
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26MB |
(1) 512K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
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28MB |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
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32MB |
(1) 4M x 36 |
(1) 4M x 36 |
None |
None |
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32MB |
(1) 8M x 36 |
None |
None |
None |
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32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
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32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 4M x 36 |
None |
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40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
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40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
None |
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48MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
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48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
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48MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 8M x 36 |
None |
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DRAM CONFIGURATION (CONT.) |
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|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
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64MB |
(1) 8M x 36 |
(1) 8M x 36 |
None |
None |
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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 |
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72MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
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80MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
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96MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
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96MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
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128MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |