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 |
|
|
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. |