AMERICAN MEGATRENDS, INC.
EZ-FLEX SERIES 28
| 
 Device Type  | 
 Mainboard  | 
| 
 Processor  | 
 AM386DX/80386DX/80487SX/80486SX/80486DX/80486DX2  | 
| 
 Processor Speed  | 
 16/20/25/33/40/50MHz  | 
| 
 Chip Set  | 
 Intel  | 
| 
 Video Chip Set  | 
 None  | 
| 
 Maximum Onboard Memory  | 
 128MB  | 
| 
 Maximum Video Memory  | 
 None  | 
| 
 Cache  | 
 64/128/256KB  | 
| 
 BIOS  | 
 AMI  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 Floppy drive interface, parallel port, PS/2 mouse interface, serial ports (2), CPU slot  | 
| 
 NPU Options  | 
 80387DX/3167/4167  | 

| 
 CONNECTIONS  | 
|||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Floppy drive interface  | 
 P002  | 
 Turbo switch  | 
 P014  | 
| 
 PS/2 mouse interface  | 
 P003  | 
 Turbo LED  | 
 P015  | 
| 
 Parallel port  | 
 P004  | 
 Reset switch  | 
 P016  | 
| 
 Auxiliary keyboard connector  | 
 P005  | 
 Digital LED  | 
 P021  | 
| 
 Serial port 2  | 
 P006  | 
 5v power  | 
 PS001  | 
| 
 Serial port 1  | 
 P007  | 
 5v power  | 
 PS002  | 
| 
 Power LED & keylock  | 
 P012  | 
 3.3v power  | 
 PS003  | 
| 
 Speaker  | 
 P013  | 
 CPU slot  | 
 SL1  | 
| 
 USER CONFIGURABLE SETTINGS  | 
|||
| 
 Function  | 
 Label  | 
 Position  | 
|
| 
 »  | 
 Factory configured - do not alter  | 
 J001  | 
 Unidentified  | 
| 
 »  | 
 Factory configured - do not alter  | 
 SW01/1  | 
 Off  | 
| 
 »  | 
 Monitor type select monochrome  | 
 SW01/2  | 
 Off  | 
| 
 
  | 
 Monitor type select color  | 
 SW01/2  | 
 On  | 
| 
 Note: The location of the switch(es) is unidentified.  | 
|||
| 
 SIMM CONFIGURATION  | 
||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 1MB  | 
 (4) 256K x 9  | 
 None  | 
| 
 2MB  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
| 
 4MB  | 
 (4) 1M x 9  | 
 None  | 
| 
 8MB  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
| 
 16MB  | 
 (4) 4M x 9  | 
 None  | 
| 
 32MB  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
| 
 64MB  | 
 (4) 16M x 9  | 
 None  | 
| 
 128MB  | 
 (4) 16M x 9  | 
 (4) 16M x 9  | 
| 
 CACHE CONFIGURATION  | 
| 
 Note: 64KB/128KB/256KB cache is located on the CPU card.  |