LASER COMPUTER, INC.
LASER 386M
| 
 Processor  | 
 80386SX  | 
| 
 Processor Speed  | 
 25/33MHz  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Max. Onboard DRAM  | 
 12MB  | 
| 
 Cache  | 
 Unidentified  | 
| 
 BIOS  | 
 Unidentified  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 None  | 
| 
 NPU Options  | 
 80387SX  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 External battery  | 
 J22  | 
 Turbo switch  | 
 J26  | 
| 
 Reset switch  | 
 J24  | 
 Speaker  | 
 J28  | 
| 
 Power LED & keylock  | 
 J25  | 
 External memory card  | 
 S1  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper/Switch  | 
 Position  | |
| 
 »  | 
 EPROM chip type select 27128 or 2764  | 
 J13  | 
 pins 2 & 3 closed  | 
| 
 EPROM chip type select 27256  | 
 J13  | 
 pins 1 & 2 closed  | |
| 
 »  | 
 SYSCLK enabled  | 
 J30  | 
 pins 2 & 3 closed  | 
| 
 SYSCLK disabled  | 
 J30  | 
 pins 1 & 2 closed  | |
| 
 »  | 
 Battery type select internal  | 
 J31  | 
 pins 1 & 2 closed  | 
| 
 Battery type select external  | 
 J31  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 EGA BIOS access select on board  | 
 SW2/1  | 
 On  | 
| 
 EGA BIOS access select adapter card  | 
 SW2/1  | 
 Off  | |
| 
 »  | 
 Memory type select 513KB to 640KB expansion bus enabled  | 
 SW2/2  | 
 On  | 
| 
 Memory type select expansion bus disabled  | 
 SW2/2  | 
 Off  | |
| 
 »  | 
 NPU disabled  | 
 SW2/3  | 
 On  | 
| 
 NPU enabled  | 
 SW2/3  | 
 Off  | |
| 
 »  | 
 Clock frequency speed select 25/33Mhz  | 
 SW2/4  | 
 Off  | 
| 
 Clock frequency speed select 8Mhz  | 
 SW2/4  | 
 On  | |
| 
 »  | 
 Monitor type select monochrome  | 
 SW2/5  | 
 Off  | 
| 
 Monitor type select color  | 
 SW2/5  | 
 On  | |
| 
 CACHE CONFIGURATION  | |
| 
 Setting  | 
 J27  | 
| 
 Enabled  | 
 pins 2 & 3 closed  | 
| 
 Disabled  | 
 pins 1 & 2 closed  | 
| 
 Note: The size and location of the cache is unidentified.  | |
| 
 DRAM CONFIGURATION  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
| 
 1MB  | 
 (4) 256K x 9  | 
 NONE  | 
 NONE  | 
| 
 2MB  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
 NONE  | 
| 
 3MB  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
| 
 4MB  | 
 (4) 1M x 9  | 
 NONE  | 
 NONE  | 
| 
 5MB  | 
 (4) 256K x 9  | 
 (4) 1M x 9  | 
 NONE  | 
| 
 6MB  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
 (4) 1M x 9  | 
| 
 8MB  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 NONE  | 
| 
 9MB  | 
 (4) 256K x 9  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
| 
 12MB  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
| 
 DRAM SWITCH CONFIGURATION  | ||||
| 
 Size  | 
 SW1/1  | 
 SW1/2  | 
 SW1/3  | 
 SW1/4  | 
| 
 1MB  | 
 On  | 
 Off  | 
 On  | 
 On  | 
| 
 2MB  | 
 Off  | 
 On  | 
 On  | 
 On  | 
| 
 3MB  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
| 
 4MB  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
| 
 5MB  | 
 Off  | 
 On  | 
 Off  | 
 On  | 
| 
 6MB  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
| 
 8MB  | 
 Off  | 
 On  | 
 On  | 
 Off  | 
| 
 9MB  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
| 
 12MB  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
| 
 MEMORY RELOCATION CONFIGURATION  | |
| 
 Setting  | 
 SW2/5  | 
| 
 Enabled  | 
 On  | 
| 
 Disabled  | 
 Off  | 
| 
 TECHNICAL NOTE  | 
| 
 Note: The location of pin 1 is unidentified.  |