MONOLITHIC SYSTEMS, INC. (COLORADO MSI)
SBC386IE PISA SINGLE BOARD
| Processor | 80386DX | 
| Processor Speed | 25/33/40MHz | 
| Chip Set | C & T PEAK DM | 
| Max. Onboard DRAM | 128MB | 
| Cache | 128KB | 
| BIOS | AMI | 
| Dimensions | 339mm x 127mm | 
| I/O Options | PS/2 mouse port, PS/2 keyboard connector | 
| NPU Options | 80387 | 

| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| External battery | J3 | Power LED | J9 | 
| Speaker | J5 | Reset switch | J10 | 
| Power LED & keylock | J6 | PS/2 keyboard | J14 | 
| Front panel switches & LEDs | J8 | PS/2 mouse | J15 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Jumper | Position | |
| » | Factory configured - do not alter | J1 | pins 1 & 2 closed | 
| » | Factory configured - do not alter | J2 | Closed | 
| » | Factory configured - do not alter | J7 | pins 1 & 2 closed | 
| » | CMOS memory normal operation | J4 | Open | 
| 
 | CMOS memory clear | J4 | Closed | 
| » | Monitor type select color | J11 | pins 2 & 3 closed | 
| 
 | Monitor type select monochrome | J11 | pins 1 & 2 closed | 
| » | PS/2 mouse disabled (IRQ12 free) | J12 | Open | 
| 
 | PS/2 mouse enabled at IRQ12 | J12 | Closed | 
| » | Watchdog timer disabled | J13 | pins 2 & 3 closed | 
| 
 | Watchdog timer enabled | J13 | pins 1 & 2 closed | 
| » | DMA signal select active high | J16 | pins 1 & 2 closed | 
| 
 | DMA signal select active low | J16 | pins 2 & 3 closed | 
| DRAM CONFIGURATION | ||||
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | 
| 1MB | (1) 256K x 36 | NONE | NONE | NONE | 
| 2MB | (1) 512K x 36 | NONE | NONE | NONE | 
| 3MB | (1) 512K x 36 | (1) 256K x 36 | NONE | NONE | 
| 4MB | (1) 512K x 36 | (1) 512K x 36 | NONE | NONE | 
| 4MB | (1) 256K x 36 | (1) 256K x 36 | (1) 256K x 36 | (1) 256K x 36 | 
| 5MB | (1) 512K x 36 | (1) 512K x 36 | (1) 256K x 36 | NONE | 
| 6MB | (1) 512K x 36 | (1) 512K x 36 | (1) 512K x 36 | NONE | 
| 7MB | (1) 512K x 36 | (1) 512K x 36 | (1) 512K x 36 | (1) 256K x 36 | 
| 8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE | 
| 8MB | (1) 2M x 36 | NONE | NONE | NONE | 
| 9MB | (1) 2M x 36 | (1) 256K x 36 | NONE | NONE | 
| 10MB | (1) 2M x 36 | (1) 512K x 36 | NONE | NONE | 
| 12MB | (1) 2M x 36 | (1) 512K x 36 | (1) 512K x 36 | NONE | 
| 13MB | (1) 2M x 36 | (1) 512K x 36 | (1) 512K x 36 | (1) 256K x 36 | 
| 16MB | (1) 2M x 36 | (1) 2M x 36 | NONE | NONE | 
| 16MB | (1) 4M x 36 | NONE | NONE | NONE | 
| 17MB | (1) 4M x 36 | (1) 256K x 36 | NONE | NONE | 
| 18MB | (1) 2M x 36 | (1) 2M x 36 | (1) 512K x 36 | NONE | 
| 19MB | (1) 4M x 36 | (1) 512K x 36 | (1) 256K x 36 | NONE | 
| 20MB | (1) 2M x 36 | (1) 2M x 36 | (1) 1M x 36 | NONE | 
| 32MB | (1) 8M x 36 | NONE | NONE | NONE | 
| 40MB | (1) 8M x 36 | (1) 2M x 36 | NONE | NONE | 
| 64MB | (1) 8M x 36 | (1) 8M x 36 | NONE | NONE | 
| 96MB | (1) 8M x 36 | (1) 8M x 36 | (1) 4M x 36 | (1) 4M x 36 | 
| 128MB | (1) 8M x 36 | (1) 8M x 36 | (1) 8M x 36 | (1) 8M x 36 | 
| Note: These are only some of the possible configurations. Memory must be installed in lower banks first, according to module capacity (highest to lowest). | ||||