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. |