UNIDENTIFIED
80386SX-C
|
Processor |
80386SX |
|
Processor Speed |
16/20/25MHz |
|
Chip Set |
VLSI |
|
Max. Onboard DRAM |
16MB |
|
SRAM Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
220mm x 180mm |
|
I/O Options |
None |
|
NPU Options |
80387SX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
J5 |
External battery |
J8 |
|
Turbo switch |
J6 |
Power LED & keylock |
J10 |
|
Turbo LED |
J7 |
Reset switch |
J15 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Pipeline mode enabled |
JP1 |
closed | |
|
Pipeline mode disabled |
JP1 |
open | |
|
CMOS memory normal operation |
JP6 |
pins 1 & 2 closed | |
|
CMOS memory clear |
JP6 |
pins 3 & 4 closed | |
|
Battery select internal |
JP7 |
closed | |
|
Battery select external |
JP7 |
open | |
|
Monitor type select monochrome |
JP11 |
open | |
|
Monitor type select color |
JP11 |
closed | |
|
Parity check enabled |
JP90 |
closed | |
|
Parity check disabled |
JP90 |
open | |
|
Chipset type select 82C311 |
JP91 |
open | |
|
Chipset type select 82C310 |
JP91 |
open | |
|
Keyboard controller set on pin 23 |
SSI |
pins 1 & 2 closed | |
|
Keyboard controller set on pin 27 |
SSI |
pins 1 & 3 closed | |
|
Keyboard controller set on pin 30 |
SSI |
pins 1 & 4 closed | |
|
Keyboard controller set on pin 32 |
SSI |
pins 1 & 5 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 |
|
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 |
|
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 |