SBX/386 Motherboard Settings and Configuration
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 |
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