APRICOT COMPUTERS LIMITED
VXFT 386 MKI (TITAN MOTHERBOARD)
Processor | 80386DX |
Processor Speed | 25MHz |
Chip Set | Unidentified |
Max. Onboard DRAM | 16MB |
Cache | None |
BIOS | Unidentified |
Dimensions | 254mm x 220mm |
I/O Options | Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial port, VGA port, synchronous port |
NPU Options | 3167 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Serial port | CN1 | Floppy drive interface | CN6 |
Parallel port | CN2 | IDE interface | CN7 |
VGA port | CN3 | External battery | JP2 |
Synchronous port | CN4 | Speaker | JP3 |
PS/2 mouse port | CN5 |
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USER CONFIGURABLE SETTINGS | |||
Function | Jumper/Switch | Position | |
» | 386 pipeline mode enabled | SW1/1 | On |
| 386 pipeline mode disabled | SW1/1 | Off |
» | 385 pipeline mode enabled | SW1/2 | On |
| 385 pipeline mode disabled | SW1/2 | Off |
» | ROM disabled | SW1/3 | On |
| ROM enabled | SW1/3 | Off |
» | Refresh enabled | SW1/4 | On |
| Refresh disabled | SW1/4 | Off |
» | Factory configured - do not alter | SW2/6 | On |
» | NPU disabled | SW2/7 | Off |
| NPU enabled | SW2/7 | On |
» | Factory configured - do not alter | SW2/8 | On |
» | Factory configured - do not alter | SW3 | Open |
» | Ethernet cable select BNC | SW53/1-6 | On |
| Ethernet cable select D - shell | SW53/1-6 | Off |
DRAM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
1MB | (4) 256K x 9 | NONE |
1MB | (4) 256K x 9 | NONE |
2MB | (4) 256K x 9 | (4) 256K x 9 |
4MB | (4) 1M x 9 | NONE |
5MB | (4) 256K x 9 | (4) 1M x 9 |
8MB | (4) 1M x 9 | (4) 1M x 9 |
12MB | (4) 2M x 9 | (4) 1M x 9 |
16MB | (4) 2M x 9 | (4) 2M x 9 |
DRAM SWITCH CONFIGURATION | |||
Size | SW2/1 | SW2/2 | SW2/3 |
1MB | Off | Off | Off |
1MB | On | Off | Off |
2MB | Off | On | Off |
4MB | Off | Off | On |
5MB | On | On | Off |
8MB | On | Off | On |
12MB | Off | On | On |
16MB | On | On | On |
CPU SPEED CONFIGURATION | ||
Speed | SW2/4 | SW2/5 |
25MHz | Off | On |
MICSELLANEOUS TECHINCAL NOTE |
Note: The purpose of JP1 is unidentified by the manufacturer. |