CSS LABORATORIES, INC.
PREFERRED 433GA
Processor |
80486DX |
Processor Speed |
33MHz (upgradable to 50MHz with CPU module) |
Chip Set |
C & T |
Max. Onboard DRAM |
32MB |
SRAM Cache |
64/256KB |
BIOS |
AMI |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit external CPU/NPU card slot, 32-bit local video card slot, auxiliary keyboard, floppy interface, IDE interface, parallel port, serial port (2) |
NPU Options |
4167 (on 32-bit external CPU/NPU card) |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Speaker |
J4 |
IDE interface LED |
LED |
External battery |
J9 |
Floppy drive interface |
PJ1 |
Power LED & keylock |
J10 |
Parallel port |
PJ2 |
Auxiliary keyboard |
J11A |
Serial port 1 |
PJ3 |
Reset switch |
J13/pins 1 & 2 |
Serial port 2 |
PJ4 |
Turbo switch |
J13/pins 3 & 4 |
IDE interface |
PJ5 |
Front panel switches & LEDs |
J39 |
32-bit external CPU/NPU card |
SL1 |
Hard drive access LED |
J40 |
32-bit MaxGraphics video card |
SL2 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
Floppy interface enabled |
FDDEN |
pins 2 & 3 closed | |
Floppy interface disabled |
FDDEN |
pins 1 & 2 closed | |
IDE interface enabled |
IDEEN |
pins 2 & 3 closed | |
IDE interface disabled |
IDEEN |
pins 1 & 2 closed | |
Factory configured - do not alter |
J3 |
open | |
Monitor type select color |
J12 |
pins 2 & 3 closed | |
Monitor type select monochrome |
J12 |
pins 1 & 2 closed | |
Factory configured - do not alter |
JP1 & JP2 |
unknown |
SRAM JUMPER CONFIGURATION | |||||
Size |
J2 |
J5 |
J6 |
J7 |
J8 |
64KB |
open |
open |
open |
pins 2 & 3 |
pins 2 & 3 |
256KB |
closed |
closed |
closed |
pins 1 & 2 |
pins 1 & 2 |
Note:Pins designated should be in the closed position. |
SRAM CONFIGURATION | ||
Size |
Cache SRAM |
TAG |
64KB |
(8) 8K x 8 |
(1) 8K x 8 |
256KB |
(8) 32K x 8 |
(1) 32K x 8 |
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 |
17MB |
(4) 4M x 9 |
(4) 256K x 9 |
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
SERIAL PORT 1 (PJ3) CONFIGURATION | |||||
COM |
IRQ Interrupt |
I/O Address |
Jumper PJ6 |
S0 |
S1 |
COM 2 |
IRQ3 |
2F8h |
pins 1 & 3 |
pins 1 & 2 |
pins 2 & 3 |
COM 1 |
IRQ4 |
3F8h |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
Disabled |
N/A |
N/A |
N/A |
pins 1 & 2 |
pins 1 & 2 |
Note:Pins designated should be in the closed position. |
SERIAL PORT 2 (PJ4) CONFIGURATION | |||||
COM |
IRQ Interrupt |
I/O Address |
Jumper PJ6 |
S2 |
S3 |
COM 1 |
IRQ4 |
3F8h |
pins 2 & 4 |
pins 1 & 2 |
pins 2 & 3 |
COM 2 |
IRQ3 |
2F8h |
pins 3 & 4 |
pins 2 & 3 |
pins 2 & 3 |
Disabled |
N/A |
N/A |
N/A |
pins 1 & 2 |
pins 1 & 2 |
Note:Pins designated should be in the closed position. |
PARALLEL PORT 1 (PJ2) CONFIGURATION | |||||
LPT |
IRQ Interrupt |
I/O Address |
Jumper P0 |
Jumper P1 |
Jumper PRT |
LPT 1 |
IRQ7 |
3F8h |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
LPT 2 |
IRQ5 |
2F8h |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
LPT 3 |
IRQ7 |
3BCh |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
Disabled |
N/A |
N/A |
pins 1 & 2 |
pins 1 & 2 |
N/A |
Note:Pins designated should be in the closed position. |