ADVANCED COMPUTER TECHNOLOGY, LTD.
T386-25
|
Processor |
80386DX |
|
Processor Speed |
25MHz |
|
Chip Set |
ACT |
|
Max. Onboard DRAM |
16MB |
|
Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80387/3167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Turbo LED |
JP3 |
External battery |
JP13 |
|
Power LED & Keylock |
JP7 |
Speaker |
JP16 |
|
Reset switch |
JP12 |
Turbo switch |
JP17 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
| » |
BIOS type select 27512 |
JP6 |
pins 1 & 2 closed |
|
BIOS type select 27256 |
JP6 |
pins 2 & 3 closed | |
| » |
Monitor type select color |
JP8 |
pins 2 & 3 closed |
|
Monitor type select monochrome |
JP8 |
pins 1 & 2 closed | |
| » |
Battery select internal |
JP14 |
pins 2 & 3 closed |
|
Battery select external |
JP14 |
pins 1 & 2 closed | |
| » |
Power good signal detect from power supply |
JP15 |
pins 1 & 2 closed |
|
Power good signal detect from board |
JP15 |
pins 2 & 3 closed | |
| » |
Refresh timing select normal |
JP18 |
pins 1 & 2 closed |
|
Refresh timing select fast |
JP18 |
pins 2 & 3 closed | |
| » |
Parity check enabled |
JP19 |
pins 1 & 2 closed |
|
Parity check disabled |
JP19 |
pins 2 & 3 closed | |
| » |
Page mode select normal 1, 2 wait state |
JP20 |
pins 1 & 2 closed |
|
Page mode select page interleave |
JP20 |
pins 2 & 3 closed | |
| » |
SIMM wait state select 2 wait states (non-page mode) |
JP21 |
pins 2 & 3 closed |
|
SIMM wait state select 1 wait state (non-page mode) |
JP21 |
pins 1 & 2 closed | |
| » |
DIP RAM wait state select 2 wait states (non-page mode) |
JP22 |
pins 2 & 3 closed |
|
DIP RAM wait state select 1 wait state (non-page mode) |
JP22 |
pins 1 & 2 closed | |
| » |
Interleave factor banks 0-3 four way interleave disabled |
SW1/3 |
Off |
|
Interleave factor banks 0-3 four way interleave enabled |
SW1/3 |
On | |
| » |
Interleave factor banks 2 and 3 interleave disabled |
SW1/4 |
Off |
|
Interleave factor banks 2 and 3 two way interleave enabled |
SW1/4 |
On | |
| » |
Interleave factor banks 0 and 1 interleave disabled |
SW1/5 |
Off |
|
Interleave factor banks 0 and 1 two way interleave enabled |
SW1/5 |
On | |
|
Note:SW1/switch 5 should be open if 1MB is installed, if memory is greater it should be closed. SW1/switch 4 should be closed if 10MB is installed. SW1/switch 3 should be closed if 4MB is installed. JP20 pins 1 & 2 must be closed if 4M x 9 SIMMs are used. | |||
|
DRAM CONFIGURATION | ||||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
P-0 |
P-1 |
|
1MB |
(8) 44256 |
NONE |
NONE |
NONE |
(4) 41256 |
NONE |
|
2MB |
(8) 44256 |
(8) 44256 |
NONE |
NONE |
(4) 41256 |
(4) 41256 |
|
3MB |
(8) 44256 |
(8) 44256 |
(4) 256K x 9 |
NONE |
(4) 41256 |
(4) 41256 |
|
4MB |
(8) 44256 |
(8) 44256 |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 41256 |
(4) 41256 |
|
6MB |
(8) 44256 |
(8) 44256 |
(4) 1M x 9 |
NONE |
(4) 41256 |
(4) 41256 |
|
10MB |
(8) 44256 |
(8) 44256 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 41256 |
(4) 41256 |
|
16MB |
NONE |
NONE |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
NONE |
|
DRAM JUMPER/SWITCH CONFIGURATION | ||||
|
Size |
SW1/6 |
SW1/7 |
SW1/8 |
JP23 |
|
1MB |
Off |
Off |
Off |
pins 2 & 3 closed |
|
2MB |
Off |
Off |
On |
pins 2 & 3 closed |
|
3MB |
Off |
On |
Off |
pins 2 & 3 closed |
|
4MB |
Off |
On |
On |
pins 2 & 3 closed |
|
6MB |
On |
On |
Off |
pins 2 & 3 closed |
|
10MB |
On |
On |
On |
pins 2 & 3 closed |
|
16MB |
Off |
Off |
Off |
pins 1 & 2 closed |
|
DRAM REFRESH RATE CONFIGURATION | ||
|
Size |
SW1/1 |
SW1/2 |
|
Refreshes per hold cycle select 1 |
Off |
Off |
|
Refreshes per hold cycle select 2 |
Off |
On |
|
Refreshes per hold cycle select 4 |
On |
Off |
|
Refreshes per hold cycle select 8 |
On |
On |
|
NPU TYPE CONFIGURATION | ||
|
Type |
JP2 |
JP4 |
|
80387 |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
3167 |
pins 2 & 3 closed |
pins 1 & 2 closed |