PC BRAND
LEADER
|
Processor |
80386SX |
|
Processor Speed |
25/33MHz |
|
Chip Set |
Unidentified |
|
Max. Onboard DRAM |
16MB |
|
Cache |
None |
|
BIOS |
Unidentified |
|
Dimensions |
220mm x 220mm |
|
I/O Options |
Parallel port, serial ports (2), game port, IDE interface, floppy drive interface, riser slot |
|
NPU Options |
80387SX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 1 |
CN1 |
IDE interface LED |
J3 |
|
Serial port 2 |
CN2 |
Reset switch |
J4 |
|
Parallel port |
CN3 |
Power LED & keylock |
J5 |
|
Floppy drive interface |
CN4 |
Speaker |
JP9 |
|
Game port |
CN5 |
Turbo switch |
JP10 |
|
IDE interface |
CN6 |
Turbo LED |
JP11 |
|
External battery |
J2 |
Riser Card |
SL1 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Battery type select internal |
JP2 |
pins 1 & 2 closed |
|
Battery type select external |
JP2 |
pins 2 & 3 closed | |
|
|
CMOS memory normal operation |
JP4 |
pins 1 & 2 closed |
|
CMOS memory clear |
JP4 |
pins 3 & 4 closed | |
|
|
Turbo enabled |
JP5 |
pins 2 & 3 closed |
|
Turbo disabled |
JP5 |
pins 1 & 2 closed | |
|
|
Speaker type select internal buzzer |
JP9 |
pins 1 & 2 closed |
|
Speaker type select external speaker |
JP9 |
Open | |
|
|
Serial port 1 enabled |
JP12 |
Open |
|
Serial port 1 disabled |
JP12 |
Closed | |
|
|
Serial port 2 enabled |
JP13 |
Open |
|
Serial port 2 disabled |
JP13 |
Closed | |
|
|
Floppy drive interface enabled |
JP14 |
Open |
|
Floppy drive interface disabled |
JP14 |
Closed | |
|
|
Parallel port LPT select LPT1 |
JP15 |
Open |
|
Parallel port LPT select LPT2 |
JP15 |
Closed | |
|
|
IDE interface enabled |
JP16 |
Open |
|
IDE interface disabled |
JP16 |
Closed | |
|
|
Game port enabled |
JP17 |
Open |
|
Game port disabled |
JP17 |
Closed | |
|
|
Security disabled |
JP18 |
Open |
|
Security enabled |
JP18 |
Closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
512KB |
(2) 256K x 9 |
NONE |
|
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
|
2MB |
(2) 1M x 9 |
NONE |
|
4MB |
(2) 1M x 9 |
(2) 1M x 9 |
|
8MB |
(2) 4M x 9 |
NONE |
|
16MB |
(2) 4M x 9 |
(2) 4M x 9 |
|
CPU SPEED CONFIGURATION | |
|
Speed |
JP6 |
|
25MHz |
pins 2 & 3 closed |
|
33MHz |
pins 1 & 2 closed |
|
MISCELLANEOUS TECHNICAL NOTE |
|
Note: The location of pin 1 is unidentified. |