EVEREX SYSTEMS, INC.
286/12 (EV-1815) - (SIMM VERSION)
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Processor |
80286 |
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Processor Speed |
12MHz |
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Chip Set |
None |
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Max. Onboard DRAM |
1MB |
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Cache |
None |
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BIOS |
AMI |
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Dimensions |
355mm x 304mm |
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I/O Options |
None |
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NPU Options |
80287 |
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CONNECTIONS |
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Purpose |
Location |
Purpose |
Location |
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Front panel display |
J1 |
External battery |
J4 |
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Speaker |
J2 |
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Note: NPU speed must equal the speed of oscillator Y5 divided by 3. The location of jumper J4 is unidentified. |
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USER CONFIGURABLE SETTINGS |
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Function |
Jumper/Switch |
Position |
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Monitor type select monochrome |
SW1/1 |
Off |
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Monitor type select color |
SW1/1 |
On |
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Factory configured - do not alter |
W1 |
N/A |
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Expansion bus (8-bit) speed select 6 wait states |
W2 |
pins 5 & 6 closed |
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Expansion bus (8-bit) speed select 5 wait states |
W2 |
pins 3 & 4 closed |
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Expansion bus (8-bit) speed select 4 wait states |
W2 |
pins 1 & 2 closed |
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Expansion bus (16-bit) speed select 2 wait states |
W3 |
pins 5 & 6 closed |
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Expansion bus (16-bit) speed select 1 wait states |
W3 |
pins 7 & 8 closed |
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Expansion bus (16-bit) speed select 3 wait states |
W3 |
pins 3 & 4 closed |
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Expansion bus (16-bit) speed select 4 wait states |
W3 |
pins 1 & 2 closed |
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Factory configured - do not alter |
W4 |
N/A |
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Factory configured - do not alter |
W5 |
N/A |
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Factory configured - do not alter |
W6 |
pins 1 & 2 open |
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Factory configured - do not alter |
W6 |
pins 5 & 6 open |
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Factory configured - do not alter |
W6 |
pins 7 & 8 closed |
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Factory configured - do not alter |
W7 |
pins 1 & 2 closed |
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Factory configured - do not alter |
W8 |
pins 1 & 2 closed |
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DRAM CONFIGURATION |
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|
Size |
Bank 0 |
Bank 1 |
|
512KB |
(2) 256K x 9 |
NONE |
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1MB |
(2) 256K x 9 |
(2) 256K x 9 |
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DRAM JUMPER CONFIGURATION |
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|
Size |
W6 |
|
512KB |
pins 3 & 4 closed |
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1MB |
pins 3 & 4 open |