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STEP 286/20 (EV-1820)

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