LEADING TECHNOLOGY
6500SX
|
Processor |
80386SX (exact location unknown) |
|
Processor Speed |
16/20/25MHz |
|
Chip Set |
SIS |
|
Max. Onboard DRAM |
4MB |
|
Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
254mm x 220mm |
|
I/O Options |
Floppy drive interface, IDE interface, Game port, parallel port, serial ports (2) |
|
NPU Options |
80387SX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Parallel port |
CN1 |
IDE interface |
J10 |
|
Joystick port |
CN2 |
Floppy drive interface |
J12 |
|
Serial port 2 |
CN3 |
Speaker |
J15 |
|
Serial port 1 |
CN4 |
IDE interface LED |
J32 |
|
Front panel connector |
J4 |
Riser Card |
S1 |
|
External battery |
J9 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
| » |
Joystick port enabled |
J17 |
Closed |
|
Joystick port disabled |
J17 |
Open | |
| » |
Floppy drive interface enabled |
J28 |
Open |
|
Floppy drive interface disabled |
J28 |
Closed | |
| » |
IDE interface enabled |
J29 |
Closed |
|
IDE interface disabled |
J29 |
Open | |
| » |
Parity enabled |
J33 |
Closed |
|
Parity disabled |
J33 |
Open | |
| » |
NPU disabled |
J40 |
pins 1 & 2 closed |
|
NPU enabled |
J40 |
pins 2 & 3 closed | |
| » |
Factory configured - do not alter |
SW2/5 |
Off |
| » |
Factory configured - do not alter |
SW2/6 |
On |
| » |
Factory configured - do not alter |
SW2/7 |
Off |
|
DRAM CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
1MB |
(8) 44256 |
NONE |
NONE |
|
1.5MB |
(8) 44256 |
(2) 256K x 9 |
NONE |
|
2MB |
(8) 44256 |
(2) 256K x 9 |
(2) 256K x 9 |
|
2MB |
NONE |
(2) 1M x 9 |
NONE |
|
4MB |
NONE |
(2) 1M x 9 |
(2) 1M x 9 |
|
DRAM SWITCH CONFIGURATION | |||||||
|
Size |
SW2/1 |
SW2/2 |
SW2/3 |
SW2/4 |
SW2/8 |
SW2/9 |
SW2/10 |
|
1MB |
On |
On |
On |
On |
On |
On |
Off |
|
1.5MB |
On |
On |
On |
On |
On |
Off |
On |
|
2MB |
On |
On |
On |
On |
On |
Off |
Off |
|
2MB |
On |
Off |
Off |
On |
On |
On |
On |
|
4MB |
On |
Off |
Off |
Off |
On |
On |
Off |
|
SERIAL PORT CONFIGURATION | ||||||
|
Port 1 (CN4) |
Port 2 (CN2) |
J20 |
J22 |
J25 |
J26 | |
| » |
COM1 |
COM2 |
2 & 3 |
1 & 2 |
Open |
Open |
|
COM1 |
COM3 |
2 & 3 |
Open |
1 & 2 |
Open | |
|
COM1 |
COM4 |
2 & 3 |
Open |
Open |
1 & 2 | |
|
COM2 |
COM1 |
1 & 2 |
2 & 3 |
Open |
Open | |
|
COM2 |
COM3 |
Open |
2 & 3 |
1 & 2 |
Open | |
|
COM2 |
COM4 |
Open |
2 & 3 |
Open |
1 & 2 | |
|
COM3 |
COM1 |
1 & 2 |
Open |
2 & 3 |
Open | |
|
COM3 |
COM2 |
Open |
1 & 2 |
2 & 3 |
Open | |
|
COM3 |
COM4 |
Open |
Open |
2 & 3 |
1 & 2 | |
|
COM4 |
COM1 |
2 & 3 |
Open |
Open |
1 & 2 | |
|
COM4 |
COM2 |
Open |
1 & 2 |
Open |
2 & 3 | |
|
COM4 |
COM3 |
Open |
Open |
1 & 2 |
2 & 3 | |
|
Note:Pins designated should be in the closed position. | ||||||
|
SERIAL PORT IRQ CONFIGURATION | ||||
|
Port 1 (CN1) |
Port 2 (CN2) |
J18 |
J19 | |
| » |
IRQ4 |
IRQ3 |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
IRQ3 |
IRQ4 |
pins 1 & 2 closed |
pins 2 & 3 closed | |
|
PARALLEL PORT CONFIGURATION | ||||
|
LPT |
IRQ |
J16 |
J21 | |
| » |
1 |
7 |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
1 |
5 |
pins 2 & 3 closed |
pins 1 & 2 closed | |
|
2 |
7 |
pins 1 & 2 closed |
pins 2 & 3 closed | |
|
2 |
5 |
pins 1 & 2 closed |
pins 1 & 2 closed | |