UNIDENTIFIED
ALL-IN-ONE 386SX
|
Processor |
80386SX (exact location unknown) |
|
Processor Speed |
16/20/25MHz |
|
Chip Set |
Intel |
|
Max. Onboard DRAM |
32MB |
|
Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
254mm x 218mm |
|
I/O Options |
Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2) |
|
NPU Options |
80387SX (exact location unknown) |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Reset switch |
JP5 pins 1 - 2 |
Parallel port |
JP9 |
|
Turbo switch |
JP5 pins 4 - 5 |
External battery |
JP10 |
|
Turbo LED |
JP5 pins 8 - 9 |
PS/2 mouse port |
JP11 |
|
Speaker |
JP5 pins 11 - 14 |
IDE interface LED |
JP12 |
|
Power LED & keylock |
JP5 pins 16 - 20 |
IDE interface |
JP15 |
|
Serial port 1 |
JP7 |
Floppy drive interface |
JP18 |
|
Serial port 2 |
JP8 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Battery type select internal |
JP10 |
Closed |
|
Battery type select external |
JP10 |
pins 2 & 3 closed | |
|
CMOS memory clear |
JP10 |
pins 3 & 4 closed | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
512KB |
(2) 256K x 9 |
NONE |
NONE |
NONE |
|
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
NONE |
NONE |
|
1.5MB |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
NONE |
|
2MB |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
|
2MB |
(2) 1M x 9 |
NONE |
NONE |
NONE |
|
3MB |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 1M x 9 |
NONE |
|
4MB |
(2) 1M x 9 |
(2) 1M x 9 |
NONE |
NONE |
|
4.5MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 256K x 9 |
NONE |
|
5MB |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
|
6MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
NONE |
|
8MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
|
8MB |
(2) 4M x 9 |
NONE |
NONE |
NONE |
|
9MB |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 4M x 9 |
NONE |
|
10MB |
(2) 1M x 9 |
(2) 4M x 9 |
NONE |
NONE |
|
12MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 4M x 9 |
NONE |
|
16MB |
(2) 4M x 9 |
(2) 4M x 9 |
NONE |
NONE |
|
16.5MB |
(2) 4M x 9 |
(2) 4M x 9 |
(2) 256K x 9 |
NONE |
|
17MB |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 4M x 9 |
(2) 4M x 9 |
|
18MB |
(2) 4M x 9 |
(2) 4M x 9 |
(2) 1M x 9 |
NONE |
|
20MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 4M x 9 |
(2) 4M x 9 |
|
24MB |
(2) 4M x 9 |
(2) 4M x 9 |
(2) 4M x 9 |
NONE |
|
32MB |
(2) 4M x 9 |
(2) 4M x 9 |
(2) 4M x 9 |
(2) 4M x 9 |
|
IDE CONFIGURATION | ||
|
Setting |
JP19 |
JP20 |
|
IDE interface disabled |
Open |
Open |
|
IDE interface enabled |
Closed |
Closed |
|
FLOPPY CONFIGURATION | ||
|
Setting |
JP21 |
JP22 |
|
Floppy interface disabled |
Open |
pins 2 & 3 closed |
|
Floppy interface enabled |
Closed |
pins 1 & 2 closed |