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MERCURY

PROGRESSIVE PERIPHERALS, INC.

MERCURY

Card Type

Processor upgrade

Processor

Motorola 68040

Processor Speed

28/35MHz

Chipset

Unidentified

Maximum Onboard Memory

32MB DRAM

Cache

Unidentified

BIOS

Unidentified

Dimensions

336 x 109mm

NPU Options

None

Data Bus

Zorro III CPU slot

M3730

USER CONFIGURABLE SETTINGS

Function

Label

Position

68040 processor enabled

C1

Open

 

68040 processor disabled - fall back to mainboard processor

C1

Closed

Cache enabled

C2

Closed

 

Cache disabled

C2

Open

Factory configured - do not alter

D1

Open

ROM shadowing enabled

D2

Open

 

ROM shadowing disabled

D2

Closed

Factory configured - do not alter

E

Pins 1 & 2 closed

PROCESSOR AND DRAM SPEED

Processor Speed

DRAM Speed

A1

A2

28MHz

80nS

Open

Closed

35MHz

80nS

Closed

Open

35MHz

60nS

Open

Closed

DRAM CONFIGURATION

The possible amounts of DRAM on this board are 0MB, 4MB, 8MB, 16MB, 20MB, and 32MB. The configurations of these amounts is unidentified.

DRAM JUMPER CONFIGURATION

Setting

B1

B2

B3

B4

0MB

Open

Closed

Closed

Closed

4MB

Open

Closed

Open

Closed

8MB

Open

Closed

Open

Open

16MB

Open

Open

Closed

Open

20MB

Open

Open

Closed

Closed

32MB

Open

Open

Open

Open

ON-BOARD CACHE BURST MODE CONFIGURATION

Setting

C3

C4

Disabled

Closed

Open

Enabled

Open

Closed

MISCELLANEOUS TECHNICAL NOTE

Diagram not available.