EVEREX SYSTEMS, INC.
STEP 286/20 (EV-1820)
Processor |
80286 |
Processor Speed |
20MHz |
Chip Set |
Everex |
Max. Onboard DRAM |
4MB |
SRAM Cache |
32/64/128KB |
BIOS |
Everex |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit external memory card slot |
NPU Options |
80287 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External memory card slot |
S1 |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
512KB |
(18) 41256 |
NONE |
NONE |
NONE |
1MB |
(18) 41256 |
(18) 41256 |
NONE |
NONE |
2MB |
(18) 41256 |
(18) 41256 |
(18) 41256 |
(18) 41256 |
2MB |
(18) 411000 |
NONE |
NONE |
NONE |
4MB |
(18) 411000 |
(18) 411000 |
NONE |
NONE |
8MB |
(18) 411000 |
(18) 411000 |
(18) 411000 |
(18) 411000 |
Note:Banks 2 and 3 are utilized when a 32-bit external memory card is installed at S1. |
SRAM CONFIGURATION | ||
Size |
Cache SRAM |
Location |
32KB |
(4) 8K x 8 |
Bank 0 |
64KB |
(8) 8K x 8 |
Banks 0 & 1 |
128KB |
(4) 32K x 8 |
Bank 0 |