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.  |