AMPRO COMPUTERS, INC.
COREMODULE/3SXI
| Device Type | Single board computer |
| Processor | 80386SX |
| Processor Speed | 25MHz |
| Chip Set | Unidentified |
| Maximum Onboard Memory | 4MB |
| BIOS | Award |
| Dimensions | 90.2mm x 95.9mm |
| I/O Options (backplane) | Floppy drive interface, IDE interface, parallel port, serial ports (2), PC/104 connectors (2) |
CONNECTIONS |
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| Purpose | Location |
Purpose | Location |
| Serial port 1 | J3 | Floppy drive interface | J8 |
| Parallel port | J4 | Serial port 2, RS-232C | J9 |
| Utility/keyboard connector | J5 | Serial port 2, RS-485 | J10 |
| IDE interface | J6 | PC/104 connector | P1A/B |
| Power connector | J7 | PC/104 connector | P2C/D |
USER CONFIGURABLE SETTINGS |
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Function |
Label |
Position |
|
| » | Select serial interface RS-232C | W1 | Pins 1 & 2 closed |
| Select serial interface RS-485 | W1 | Pins 2 & 3 closed | |
» |
BIOS/OEM flash programming power enabled | W2 | Open |
| BIOS/OEM flash programming power disabled | W2 | Closed | |
| » | Access of a system BIOS from S0 enabled | W9 | Open |
|
Access of a system BIOS from S0 disabled | W9 |
Closed |
| » | Terminator resistor connected | W10 | Closed |
| Terminator resistor disconnected | W10 | Open | |
DMA CHANNEL SELECTION |
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Channel |
W5 | W6 | |
| » | Disable | Open | Open |
1 |
Pins 1 & 2 closed | Pins 1 & 2 closed | |
3 |
Pins 2 & 3 closed | Pins 2 & 3 closed | |
TIMER WATCHDOG SELECTION |
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Function |
W4 | |
| Hardware reset | Pins 1 & 2 closed | |
| -IOCHCH (I/O Channel Check) | Pins 2 & 3 closed | |
| No interrupt | Open | |
| Inactive | Open | |
| EPROM CONFIGURATION SELECTION (S0) | |||
| EPROM | W3 | W7 | W8 |
| 8K EPROM, 16K EPROM, 8K EEPROM | Pins 2 & 7, 3 & 4, 9 & 14, 10 & 15, 12 & 13 closed | Pins 2 & 3 closed | Open |
| 32K EPROM | Pins 3 & 4, 5 & 10 closed | Pins 2 & 3 closed | Open |
| 64K EPROM | Pins 3 & 4, 5 & 10, 9 & 14 closed | Pins 2 & 3 closed | Open |
| 128K EPROM | Pins 3 & 4, 8 & 13, 9 & 14 closed | Pins 2 & 3 closed | Open |
| 256K EPROM | Pins 3 & 4, 8 & 13, 9 & 14, 10 & 15 closed | Pins 2 & 3 closed | Open |
| 512K EPROM | Pins 3 & 4, 9 & 14, 10 & 15, 12 & 13 closed | Pins 2 & 3 closed | Open |
| 1M EPROM | Pins 2 & 7, 3 & 4, 9 & 14, 10 & 15, 12 & 13 closed | Pins 2 & 3 closed | Open |
| FLASH EPROM CONFIGURATION SELECTION | |||
| EPROM | W3 | W7 | W8 |
| 32K 5V Flash EPROM | Pins 3 & 4, 8 & 9, 5 & 10 closed | Pins 1 & 2 closed | Open |
| 32K 5V Flash EPROM | Pins 3 & 8, 4 & 9, 5 & 10 closed | Pins 1 & 2 closed | Open |
| 32K, 128K, 256K, 512K 5V Flash EPROM | Pins 3 & 4, 7 & 12, 8 & 13, 9 & 14, 10 & 15 closed | Pins 1 & 2 closed | Open |
| 32K, 128K, 256K, 512K 12V Flash EPROM | Pins 3 & 4, 6 & 7, 8 & 13, 9 & 14, 10 & 15 closed | Pins 1 & 2 closed | Open |
| SRAM CONFIGURATION SELECTION | |||
| SRAM | W3 | W7 | W8 |
| 32K, 128K SRAM; 32K NOVRAM | Pins 3 & 8, 4 & 9, 5 & 10, 13 & 14 closed | Pins 1 & 2 closed | Open |
| 512K SRAM; 512K NOVRAM | Pins 3 & 8, 4 & 9, 7 & 12, 13 & 14, 10 & 15 closed | Pins 1 & 2 closed | Open |