ALPHA MICROSYSTEMS
ROADRUNNER AM-174
| 
 Processor  | 
 Motorola 68040  | 
| 
 Processor Speed  | 
 66/80MHz  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Video Chip Set  | 
 None  | 
| 
 Maximum Onboard Memory  | 
 64MB  | 
| 
 Maximum Video Memory  | 
 None  | 
| 
 Cache  | 
 32KB  | 
| 
 BIOS  | 
 Unidentified  | 
| 
 Dimensions  | 
 Unidentified  | 
| 
 I/O Options  | 
 SCSI interface, X-bus connectors (2)  | 
| 
 NPU Options  | 
 None  | 

| 
 CONNECTIONS  | 
|||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Power connector  | 
 CN1  | 
 X-bus connector  | 
 J2  | 
| 
 SCSI interface  | 
 J1  | 
 X-bus connector  | 
 J3  | 
| 
 USER CONFIGURABLE SETTINGS  | 
|||
| 
 Function  | 
 Label  | 
 Position  | 
|
| 
 »  | 
 Factory configured - do not alter  | 
 C4  | 
 Open  | 
| 
 »  | 
 Factory configured - do not alter  | 
 C5  | 
 Open  | 
| 
 Factory configured - do not alter  | 
 C6  | 
 Open  | 
|
| 
 »  | 
 Factory configured - do not alter  | 
 C7  | 
 Pins 2 & 3 closed  | 
| 
 »  | 
 X-bus active termination enabled  | 
 C8  | 
 Closed  | 
| 
 
  | 
 X-bus active termination disabled  | 
 C8  | 
 Open  | 
| 
 »  | 
 Factory configured - do not alter  | 
 JP7  | 
 Closed  | 
| 
 DRAM CONFIGURATION  | 
|
| 
 Size  | 
 Bank 0  | 
| 
 4MB  | 
 (1) 1M x 36  | 
| 
 8MB  | 
 (1) 2M x 36  | 
| 
 16MB  | 
 (1) 4M x 36  | 
| 
 32MB  | 
 (1) 8M x 36  | 
| 
 64MB  | 
 (1) 16M x 36  | 
| 
 CACHE CONFIGURATION  | 
| 
 Note: The location of the 32KB cache is unidentified.  | 
| 
 DRAM JUMPER CONFIGURATION  | 
|||
| 
 Size  | 
 C1  | 
 C2  | 
 C3  | 
| 
 4MB  | 
 Closed  | 
 Closed  | 
 Closed  | 
| 
 8MB  | 
 Closed  | 
 Closed  | 
 Open  | 
| 
 16MB  | 
 Closed  | 
 Open  | 
 Closed  | 
| 
 32MB  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 64MB  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 TERMINATION POWER SELECTION  | 
||
| 
 Setting  | 
 JP2  | 
|
| 
 »  | 
 TERMPWR enabled  | 
 Pins 2 & 3 closed  | 
| 
 
  | 
 TERMPWR disabled  | 
 Pins 1 & 2 closed  | 
| 
 SCSI BUS SELECTION  | 
||
| 
 Setting  | 
 JP1  | 
|
| 
 »  | 
 SCSI bus active termination enabled  | 
 Pins 1 & 2 closed  | 
| 
 
  | 
 SCSI bus active termination disabled  | 
 Pins 2 & 3 closed  |