ZF MICROSYSTEMS, INC.
SBX/386
| 
 Processor  | 
 80386SX  | 
| 
 Processor Speed  | 
 33MHz  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Video Chip Set  | 
 None  | 
| 
 Maximum Onboard Memory  | 
 16MB  | 
| 
 Maximum Video Memory  | 
 None  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 Unidentified  | 
| 
 Dimensions  | 
 254mm x 114mm  | 
| 
 I/O Options  | 
 Floppy drive interface, IDE interface, parallel port, serial ports (2), VGA port, PC104 connectors (2), solid state disk  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 VGA port  | 
 CN1  | 
 Monitor power input connector  | 
 J1  | 
| 
 Serial port 1  | 
 CN2  | 
 IDE interface LED  | 
 J2  | 
| 
 Parallel port  | 
 CN3  | 
 Speaker  | 
 J3  | 
| 
 Serial port 2  | 
 CN4  | 
 External battery  | 
 J4  | 
| 
 Floppy drive interface  | 
 CN5  | 
 Keylock  | 
 J7  | 
| 
 IDE interface  | 
 CN6  | 
 Power connector  | 
 J31  | 
| 
 PC104 connector  | 
 CN7  | 
 Reset switch  | 
 J39  | 
| 
 PC104 connector  | 
 CN8  | 
 Expansion socket  | 
 JP1  | 
| 
 Solid state disk  | 
 CN9  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| 
 »  | 
 Factory configured - do not alter  | 
 J9  | 
 Unidentified  | 
| 
 »  | 
 BIOS disabled  | 
 J10  | 
 Open  | 
| 
 BIOS enabled  | 
 J10  | 
 Closed  | |
| 
 VGA IRQ select IRQ9  | 
 J42  | 
 Pins 2 & 3 closed  | |
| 
 VGA IRQ select IRQ7  | 
 J42  | 
 Pins 1 & 2 closed  | |
| 
 »  | 
 SanDisk master/slave select master  | 
 J44  | 
 Closed  | 
| 
 SanDisk master/slave select slave  | 
 J44  | 
 Open  | |
| 
 »  | 
 Monitor type select non interlaced  | 
 J45  | 
 Open  | 
| 
 Monitor type select interlaced  | 
 J45  | 
 Closed  | |
| 
 DRAM CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 2MB  | 
 (2) 1M x 9  | 
 None  | 
| 
 4MB  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
| 
 8MB  | 
 (2) 4M x 9  | 
 None  | 
| 
 10MB  | 
 (2) 4M x 9  | 
 (2) 1M x 9  | 
| 
 16MB  | 
 (2) 4M x 9  | 
 (2) 4M x 9  | 
| 
 Note: Board also accepts x 8 SIMMs.  | ||
| 
 EXPANSION SOCKET SELECTION  | |||
| 
 Type  | 
 Device  | 
 Size  | 
 J37  | 
| 
 EPROM  | 
 27C256  | 
 32KB  | 
 6 & 7, 8 & 9  | 
| 
 EPROM  | 
 27C512  | 
 64KB  | 
 3 & 7, 8 & 9  | 
| 
 EPROM  | 
 27C010  | 
 128KB  | 
 2 & 6, 3 & 7, 4 & 5, 8 & 9  | 
| 
 Flash BIOS  | 
 28F256A  | 
 32KB  | 
 1 & 2, 4 & 5, 8 & 9  | 
| 
 Flash BIOS  | 
 28F512  | 
 64KB  | 
 1 & 2, 4 & 5, 3 & 7 8 & 9  | 
| 
 Flash BIOS  | 
 28F010  | 
 128KB  | 
 1 & 2, 4 & 5, 3 & 7 8 & 9  | 
| 
 Flash BIOS  | 
 AM29F020  | 
 128KB  | 
 4 & 5, 3 & 7 8 & 9  | 
| 
 NVRAM  | 
 DS1225Y  | 
 8KB  | 
 5 & 9  | 
| 
 NVRAM  | 
 DS1230  | 
 32KB  | 
 5 & 9, 7 & 8  | 
| 
 NVRAM  | 
 DS1235Y  | 
 32KB  | 
 5 & 9, 7 & 8  | 
| 
 NVRAM  | 
 DS1630  | 
 32KB  | 
 5 & 9, 7 & 8  | 
| 
 NVRAM  | 
 DS1245Y  | 
 128KB  | 
 3 & 4, 5 & 9, 7 & 8  | 
| 
 NVRAM  | 
 DS1645Y  | 
 128KB  | 
 3 & 7, 4 & 5, 8 & 9  | 
| 
 NVRAM  | 
 BQ4010Y  | 
 8KB  | 
 5 & 9  | 
| 
 NVRAM  | 
 BQ4011Y  | 
 32KB  | 
 5 & 9, 7 & 8  | 
| 
 NVRAM  | 
 BQ4013Y  | 
 128KB  | 
 3 & 4, 5 & 9, 7 & 8  | 
| 
 Note: Pins designated should be in the closed position.  | |||
| 
 BIOS SELECTION  | |||||
| 
 Size  | 
 Address  | 
 J11  | 
 J12  | 
 J14  | |
| » | 
 Disabled  | 
 N/A  | 
 Closed  | 
 Closed  | 
 Closed  | 
| 
 16KB  | 
 DC000h  | 
 Closed  | 
 Closed  | 
 Open  | |
| 
 32KB  | 
 D8000h  | 
 Open  | 
 Open  | 
 Closed  | |
| 
 64KB  | 
 D0000h  | 
 Closed  | 
 Open  | 
 Open  | |
| 
 80KB  | 
 CC000h  | 
 Open  | 
 Closed  | 
 Closed  | |
| 
 96KB  | 
 C8000h  | 
 Open  | 
 Closed  | 
 Open  | |
| 
 112KB  | 
 C4000h  | 
 Open  | 
 Open  | 
 Closed  | |
| 
 128KB  | 
 C0000h  | 
 Open  | 
 Open  | 
 Open  | |
| 
 WATCHDOG TIMER SELECTION  | |||
| 
 Type  | 
 J18  | 
 J19  | 
 J20  | 
| 
 Watchdog timer  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
| 
 Power fail  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  |