ZEOS INTERNATIONAL, LTD.
UPGRADABLE SYSTEMS MAINBOARD
Processor |
80386/80486SX/80487SX/80486DX (On proprietary CPU cards) |
Processor Speed |
20/25/33MHz |
Chip Set |
Unidentified |
Max. Onboard DRAM |
32MB |
Cache |
128KB |
BIOS |
Award |
Dimensions |
330mm x 218mm |
I/O Options |
floppy drive interface, game port, IDE interface, parallel port, serial ports (2), proprietary CPU card slot |
NPU Options |
80387 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
J1 |
Turbo switch |
J10 |
Game port |
J3 |
Reset switch |
J11 |
Parallel port |
J5 |
Turbo LED |
J12 |
Serial port 2 |
J6 |
Power LED & keylock |
J13 |
Serial port 1 |
J7 |
Speaker |
J14 |
Floppy drive interface |
J8 |
IDE interface LED |
J15 |
IDE interface |
J9 |
Proprietary CPU card slot |
CPU1 & CPU2 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
Monitor type select CGA |
J4 |
Closed |
Monitor type select Mono/EGA/VGA |
J4 |
Open | |
» |
Game port enabled |
P1 |
Closed |
Game port disabled |
P1 |
Open | |
» |
Parallel port interupt select IRQ7 |
PIRQ |
pins 1 & 2 closed |
Parallel port interupt select IRQ5 |
PIRQ |
pins 2 & 3 closed | |
Parallel port interupt disabled |
PIRQ |
all open | |
» |
Serial port 1 (COM1) interupt select IRQ4 |
SIRQ1 |
pins 2 & 3 closed |
Serial port 1 (COM1) interupt select IRQ3 |
SIRQ1 |
pins 1 & 2 closed | |
Serial port 1 (COM1) interupt disabled |
SIRQ1 |
all open | |
» |
Serial port 2 (COM2) interupt select IRQ3 |
SIRQ2 |
pins 1 & 2 closed |
Serial port 2 (COM2) interupt select IRQ4 |
SIRQ2 |
pins 2 & 3 closed | |
Serial port 2 (COM2) interupt disabled |
SIRQ2 |
all open |
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) 1M x 9 |
(4) 256K x 9 |
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
16MB |
(4) 4M x 9 |
NONE |
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
32MB |
(4) 4M x 9 |
(4) 4M x 9 |