REPLY CORPORATION
POWERBOARD 25-286, PS/2 MODEL 25
| 
 Processor  | 
 CX486DX2/80486DX2/80486DX4  | 
| 
 Processor Speed  | 
 50(internal)/66(internal)/100(internal)MHz  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Max. Onboard DRAM  | 
 32MB  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 Reply  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 PS/2 mouse port, parallel port, serial port, floppy drive interface, IDE interface, VGA interface, riser slot  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 VGA interface  | 
 J4  | 
 PS/2 mouse port  | 
 J21  | 
| 
 Drive power connector  | 
 J5  | 
 Headphone connector  | 
 J23  | 
| 
 External battery  | 
 J6  | 
 Parallel port  | 
 J24  | 
| 
 IDE interface  | 
 J13  | 
 Serial port  | 
 J25  | 
| 
 Floppy drive interface  | 
 J15  | 
 Riser Card  | 
 SL1  | 
| 
 ST-506/412 interface  | 
 J19  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| 
 »  | 
 VGA IRQ enabled  | 
 J3  | 
 pins 1 & 2 closed  | 
| 
 VGA IRQ disabled  | 
 J3  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 Floppy drive cable select type A  | 
 J12  | 
 pins 2 & 3 closed  | 
| 
 Floppy drive cable select type B  | 
 J12  | 
 pins 1 & 2 closed  | |
| 
 »  | 
 IRQ5 enabled  | 
 J17  | 
 pins 1 & 2 closed  | 
| 
 IRQ5 disabled  | 
 J17  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 CMOS memory normal operation  | 
 J18  | 
 pins 1 & 2 closed  | 
| 
 CMOS memory clear  | 
 J18  | 
 pins 2 & 3 closed  | |
| 
 DRAM CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 1MB  | 
 (1) 256K x 36  | 
 NONE  | 
| 
 2MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 4MB  | 
 (1) 1M x 36  | 
 NONE  | 
| 
 5MB  | 
 (1) 1M x 36  | 
 (1) 256K x 36  | 
| 
 8MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 16MB  | 
 (1) 4M x 36  | 
 NONE  | 
| 
 17MB  | 
 (1) 256K x 36  | 
 (1) 4M x 36  | 
| 
 17MB  | 
 (1) 4M x 36  | 
 (1) 256K x 36  | 
| 
 20MB  | 
 (1) 1M x 36  | 
 (1) 4M x 36  | 
| 
 20MB  | 
 (1) 4M x 36  | 
 (1) 1M x 36  | 
| 
 32MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 CPU TYPE CONFIGURATION  | ||
| 
 Type  | 
 J1  | 
 J2  | 
| 
 CX486DX2  | 
 Closed  | 
 Open  | 
| 
 80486DX2  | 
 Open  | 
 Closed  | 
| 
 80486DX4  | 
 Open  | 
 Closed  | 
| 
 CPU SPEED CONFIGURATION  | |||
| 
 Speed  | 
 SW1/1  | 
 SW1/2  | 
 SW1/3  | 
| 
 50iMHz  | 
 Off  | 
 Off  | 
 On  | 
| 
 66iMHz  | 
 On  | 
 On  | 
 Off  | 
| 
 100iMHz  | 
 On  | 
 On  | 
 Off  |