UNIDENTIFIED
K386SX
Processor |
80386SX |
Processor Speed |
16/20MHz |
Chip Set |
C & T NEAT |
Max. Onboard DRAM |
8MB |
Cache |
None |
BIOS |
AMI/Phoenix |
Dimensions |
330mm x 218mm |
I/O Options |
Parallel port, serial ports (2), floppy drive interface, IDE interface |
NPU Options |
80387SX |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Serial port 2 |
J2 |
Turbo LED |
J20 |
Serial port 1 |
J3 |
IDE interface LED |
J22 |
Parallel port |
J4 |
Turbo switch |
J23 |
External battery |
J11 |
Speaker |
J25 |
IDE interface |
J12 |
Reset switch |
J28 |
Floppy drive interface |
J13 |
Power LED & keylock |
J29 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper/Switch |
Position | |
» |
IRQ14 busy when IDE interface is busy |
J19 |
pins 1 & 2 closed |
IRQ14 clear when IDE interface is busy |
J19 |
pins 2 & 3 closed | |
» |
Factory configured - do not alter |
J24 |
open |
» |
NPU disabled |
J26 |
closed |
NPU enabled |
J26 |
open | |
» |
Floppy drive interface enabled |
SW1/1 |
Off |
Floppy drive interface disabled |
SW1/1 |
On | |
» |
Floppy drive interface select primary address |
SW1/2 |
Off |
Floppy drive interface select secondary address |
SW1/2 |
On | |
» |
IDE interface select primary address |
SW1/3 |
Off |
IDE interface select secondary address |
SW1/3 |
On | |
» |
I/O channel ready signal (IOCHRDY) disconnected |
SW1/4 |
Off |
I/O channel ready signal (IOCHRDY) connected |
SW1/4 |
On | |
» |
IDE interface enabled |
SW1/5 |
On |
IDE interface disabled |
SW1/ |
Off | |
» |
Factory configured - do not alter |
SW1/6 |
On |
» |
CMOS memory normal operation |
SW1/7 |
On |
CMOS memory clear |
SW1/7 |
Off | |
» |
Monitor type select color |
SW1/8 |
On |
Monitor type select monochrome |
SW1/8 |
Off |
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 |
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 |