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. |