...because we can't all be on the bleeding edge...





RAM 3000 AT EV-135 (VER.2.0)

EVEREX SYSTEMS, INC.

RAM 3000 AT EV-135 (VER.2.0)

Card Type

Memory card

Chip Set

Unidentified

Maximum Onboard Memory

3MB RAM (Type unidentified)

I/O Options

None

Data Bus

16-bit ISA

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

256KB

(8) 256K x 1

None

None

None

512KB

(8) 256K x 1

(8) 256K x 1

None

None

768KB

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

None

1024KB

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

1280KB

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

1536KB

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

1792KB

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

2048KB

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

2304KB

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

2560KB

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

2816KB

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

3072KB

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

DRAM CONFIGURATION

Size

Bank 4

Bank 5

Bank 6

Bank 7

256KB

None

None

None

None

512KB

None

None

None

None

768KB

None

None

None

None

1024KB

None

None

None

None

1280KB

(8) 256K x 1

None

None

None

1536KB

(8) 256K x 1

(8) 256K x 1

None

None

1792KB

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

None

2048KB

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

2304KB

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

2560KB

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

2816KB

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

3072KB

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

DRAM CONFIGURATION

Size

Bank 8

Bank 9

Bank 10

Bank 11

256KB

None

None

None

None

512KB

None

None

None

None

768KB

None

None

None

None

1024KB

None

None

None

None

1280KB

None

None

None

None

1536KB

None

None

None

None

1792KB

None

None

None

None

2048KB

None

None

None

None

2304KB

(8) 256K x 1

None

None

None

2560KB

(8) 256K x 1

(8) 256K x 1

None

None

2816KB

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

None

3072KB

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

(8) 256K x 1

DRAM SWITCH CONFIGURATION

Size

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

0KB

On

On

On

Off

On

On

On

On

128KB

Off

On

On

Off

On

On

On

On

256KB

On

Off

On

Off

On

On

On

On

384KB

Off

Off

On

Off

On

On

On

On

512KB

On

On

Off

Off

On

On

On

On

640KB

Off

On

Off

Off

On

On

On

On

768KB

On

Off

Off

Off

On

On

On

On

896KB

Off

Off

Off

Off

On

On

On

On

1024KB

On

On

On

On

Off

On

On

On

1152KB

Off

On

On

On

Off

On

On

On

1280KB

On

Off

On

On

Off

On

On

On

1408KB

Off

Off

On

On

Off

On

On

On

1536KB

On

On

Off

On

Off

On

On

On

1664KB

Off

On

Off

On

Off

On

On

On

1792KB

On

Off

Off

On

Off

On

On

On

1920KB

Off

Off

Off

On

Off

On

On

On

2048KB

On

On

On

Off

Off

On

On

On

2176KB

Off

On

On

Off

Off

On

On

On

2304KB

On

Off

On

Off

Off

On

On

On

2432KB

Off

Off

On

Off

Off

On

On

On

2560KB

On

On

Off

Off

Off

On

On

On

2688KB

Off

On

Off

Off

Off

On

On

On

2816KB

On

Off

Off

Off

Off

On

On

On

2944KB

Off

Off

Off

Off

Off

On

On

On

3072KB

On

On

On

On

On

Off

On

On

BASE MEMORY JUMPER CONFIGURATION

Size

JP2

JP3

None

Pins 3 & 4, 5 & 6 closed

Pins 3 & 4 closed

256KB - 512KB

Pins 3 & 4, 7 & 8 closed

Pins 3 & 4 closed

256KB - 640KB

Pins 1 & 2, 5 & 6 closed

Pins 1 & 2 closed

512KB - 640KB

Pins 1 & 2, 5 & 6 closed

Pins 1 & 2 closed

BASE MEMORY SWITCH CONFIGURATION

Size

Chips

SW2/6

SW2/7

SW2/8

None

N/A

Off

Off

Off

256KB - 512KB

64KB

Off

On

On

256KB - 512KB

256KB

N/A

N/A

N/A

256KB - 640KB

64KB

On

On

On

256KB - 640KB

256KB

On

On

Off

512KB - 640KB

64KB

On

Off

On

512KB - 640KB

256KB

On

Off

Off

EXTENDED MEMORY ADDRESS SETTINGS

Address

Chips

SW2/1

SW2/2

SW2/3

SW2/4

SW2/5

128KB

64

Off

On

On

On

On

256KB

64

On

Off

On

On

On

384KB

64

Off

Off

On

On

On

512KB

64

On

On

Off

On

On

512KB

256

On

On

Off

On

On

640KB

64

Off

On

Off

On

On

768KB

64

On

Off

Off

On

On

1MB

256

On

On

On

Off

On

1.5MB

256

On

On

Off

Off

On

2MB

256

On

On

On

On

Off

2.5MB

256

On

On

Off

On

Off

3MB

256

On

On

On

Off

Off

MISCELLANEOUS TECHNICAL NOTES

Note: The purpose of W16 is unidentified.