DEICO ELECTRONICS, INC.
486-ISA
Processor |
80486SX |
Processor Speed |
25/33MHz |
Chip Set |
Unidentified |
Max. Onboard DRAM |
32MB |
Cache |
None |
BIOS |
AMI |
Dimensions |
330mm x 218mm |
I/O Options |
Floppy drive interface, IDE interface, parallel port, serial ports (2) |
NPU Options |
4167 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
J1 |
Turbo LED |
JP25 |
Serial port 1 |
J13 |
Speaker |
JP26 |
Serial port 2 |
J14 |
Power LED & keylock |
JP27 |
Parallel port |
J30 |
IDE interface LED |
JP33 |
Floppy drive interface |
J31 |
Reset switch |
JP34 |
IDE interface |
J32 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
|
CMOS memory normal operation |
JP1 |
pins 1 & 2 closed |
CMOS memory clear |
JP1 |
pins 2 & 3 closed | |
|
Monitor type select color |
JP2 |
pins 1 & 2 closed |
Monitor type select monochrome |
JP2 |
pins 2 & 3 closed | |
|
Internal battery enabled |
JP3 |
pins 1 & 2 closed |
Internal battery disabled |
JP3 |
pins 2 & 3 closed | |
|
Burst rate select normal operation |
JP4 |
pins 1 & 2 closed |
Burst rate select fast burst |
JP4 |
pins 2 & 3 closed | |
|
Serial port IRQ3 select COM2 |
JP7 |
pins 2 & 3 closed |
Serial port IRQ3 select COM1 |
JP7 |
pins 1 & 2 closed | |
Serial port IRQ3 disabled |
JP7 |
pins 3 & 4 closed | |
|
Serial port IRQ4 select COM1 |
JP8 |
pins 1 & 2 closed |
Serial port IRQ4 select COM2 |
JP8 |
pins 2 & 3 closed | |
Serial port IRQ4 disabled |
JP8 |
pins 3 & 4 closed | |
|
Serial port IRQ9 disabled |
JP9 |
pins 3 & 4 closed |
Serial port IRQ9 select COM1 |
JP9 |
pins 1 & 2 closed | |
Serial port IRQ9 select COM2 |
JP9 |
pins 2 & 3 closed | |
|
Serial port IRQ5 disabled |
JP10 |
pins 3 & 4 closed |
Serial port IRQ5 select COM1 |
JP10 |
pins 1 & 2 closed | |
Serial port IRQ5 select COM2 |
JP10 |
pins 2 & 3 closed | |
|
Parallel port IRQ disabled |
JP11 |
pins 3 & 4 closed |
Parallel port IRQ select IRQ7 |
JP11 |
pins 1 & 2 closed | |
Parallel port IRQ select IRQ5 |
JP11 |
pins 2 & 3 closed | |
|
Floppy drive interface enabled |
JP12 |
pins 1 & 2 closed |
Floppy drive interface disabled |
JP12 |
pins 2 & 3 closed | |
|
Serial port 1 COM select COM1 |
JP13 |
pins 1 & 2 closed |
Serial port 1 COM select COM3 |
JP13 |
pins 2 & 3 closed | |
Serial port 1 COM select disabled |
JP13 |
pins 3 & 4 closed | |
|
Serial port 2 COM select COM2 |
JP14 |
pins 1 & 2 closed |
Serial port 2 COM select COM4 |
JP14 |
pins 2 & 3 closed | |
Serial port 2 COM select disabled |
JP14 |
pins 3 & 4 closed | |
|
Parallel port LPT select LPT1 |
JP15 |
pins 1 & 2 closed |
Parallel port LPT select LPT2 |
JP15 |
pins 2 & 3 closed | |
Parallel port LPT select disabled |
JP15 |
pins 3 & 4 closed | |
|
Factory configured - do not alter |
JP16 |
Open |
|
BIST mode select normal operation |
JP17 |
pins 2 & 3 closed |
BIST mode select 486 BIST |
JP17 |
pins 1 & 2 closed | |
|
IDE interface enabled |
JP19 |
pins 1 & 2 closed |
IDE interface disabled |
JP19 |
pins 2 & 3 closed | |
Note: The location of JP4 is unidentified. |
DRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
1MB |
(4) 256K x 9 |
NONE |
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
4MB |
(4) 1M x 9 |
NONE |
5MB |
(4) 256K x 9 |
(4) 1M x 9 |
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
16MB |
(4) 4M x 9 |
NONE |
32MB |
(4) 4M x 9 |
(4) 4M x 9 |