CSS LABORATORIES, INC.
MAXSYS 462, 4/100 VL
Processor |
80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive |
Processor Speed |
25/33/50(internal)/50/66(internal)MHz |
Chip Set |
OPTI |
Max. Onboard DRAM |
256MB |
Cache |
64/128/256/512KB |
BIOS |
Unidentified |
Dimensions |
355mm x 305mm |
I/O Options |
32-bit VESA local bus slot, CPU slot, floppy drive interface, IDE interface, parallel port, auxiliary parallel port, serial ports (2), auxiliary serial ports (2), auxiliary keyboard connectors (2) |
NPU Options |
4167 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Speaker |
J4 |
Parallel port |
PJ2 |
Power LED & keylock |
J5 |
Serial port 1 |
PJ3 |
Front panel connector |
J39 |
Serial port 2 |
PJ4 |
External IDE interface LED |
J40 |
IDE interface |
PJ5 |
Reset switch |
J41 pins 1 & 2 |
Auxiliary parallel port |
PJ2A |
Turbo switch |
J41 pins 3 & 4 |
Auxiliary serial port 1 |
PJ3A |
Auxiliary keyboard connector |
J11B |
Auxiliary serial port 2 |
PJ4A |
Auxiliary keyboard connector |
J11A |
CPU slot |
SL1 |
IDE interface LED |
LED |
32-bit VESA local bus slot |
SL2 |
Floppy drive interface |
PJ1 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
Floppy drive interface enabled |
FDD |
pins 2 & 3 closed | |
Floppy drive interface disabled |
FDD |
pins 1 & 2 closed | |
IDE interface enabled |
IDE |
pins 2 & 3 closed | |
IDE interface disabled |
IDE |
pins 1 & 2 closed | |
|
CPU type select synchronous |
JP1 |
pins 1 & 2 closed |
CPU type select asynchronous |
JP1 |
pins 2 & 3 closed | |
Monitor type select color |
JP9 |
pins 2 & 3 closed | |
Monitor type select monochrome |
JP9 |
pins 1 & 2 closed | |
|
Factory configured - do not alter |
JP20 |
Open |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
4MB |
(4) 1M x 9 |
NONE |
NONE |
NONE |
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
NONE |
12MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
16MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
16MB |
(4) 4M x 9 |
NONE |
NONE |
NONE |
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
NONE |
NONE |
24MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 4M x 9 |
NONE |
24MB |
(4) 1M x 9 |
(4) 4M x 9 |
(4) 1M x 9 |
NONE |
28MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 4M x 9 |
(4) 1M x 9 |
28MB |
(4) 1M x 9 |
(4) 4M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
NONE |
36MB |
(4) 1M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
36MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 1M x 9 |
NONE |
40MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
40MB |
(4) 1M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 1M x 9 |
40MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
48MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
52MB |
(4) 1M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
Note: Banks 2 & 3 are located on the CPU card. |
DRAM CONFIGURATION (CONT) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
52MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 1M x 9 |
64MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
64MB |
(4) 16M x 9 |
NONE |
NONE |
NONE |
128MB |
(4) 16M x 9 |
(4) 16M x 9 |
NONE |
NONE |
192MB |
(4) 16M x 9 |
(4) 16M x 9 |
(4) 16M x 9 |
NONE |
256MB |
(4) 16M x 9 |
(4) 16M x 9 |
(4) 16M x 9 |
(4) 16M x 9 |
Note: Banks 2 & 3 are located on the CPU card. |
CPU SPEED CONFIGURATION | ||
Speed |
JP6 |
JP7 |
25MHz |
Open |
Open |
33MHz |
Open |
Closed |
50iMHz |
Open |
Open |
50MHz |
Closed |
Closed |
66iMHz |
Open |
Closed |
Note: See also JP1 in User Configurable Settings. |
PARALLEL PORT CONFIGURATION | |||||
LPT |
IRQ |
I/O address |
PRT |
P0 |
P1 |
N/A |
N/A |
Disabled |
N/A |
1 & 2 |
1 & 2 |
LPT1 |
IRQ7 |
3BCh |
2 & 3 |
2 & 3 |
1 & 2 |
LPT2 |
IRQ5 |
278h |
1 & 2 |
2 & 3 |
2 & 3 |
LPT3 |
IRQ7 |
378h |
2 & 3 |
1 & 2 |
2 & 3 |
Note: Pins designated should be in the closed position |
SERIAL PORT 1 CONFIGURATION | |||||
COM |
IRQ |
I/O address |
PJ6 |
S0 |
S1 |
N/A |
N/A |
Disabled |
N/A |
1 & 2 |
1 & 2 |
COM 1 |
IRQ4 |
3F8h |
1 & 2 |
2 & 3 |
2 & 3 |
COM 2 |
IRQ3 |
2F8h |
1 & 3 |
1 & 2 |
2 & 3 |
Note: Pins designated should be in the closed position |
SERIAL PORT 2 CONFIGURATION | |||||
COM |
IRQ |
I/O address |
PJ6 |
S2 |
S3 |
N/A |
N/A |
Disabled |
N/A |
1 & 2 |
1 & 2 |
COM 1 |
IRQ4 |
3F8h |
2 & 4 |
1 & 2 |
2 & 3 |
COM 2 |
IRQ3 |
2F8h |
3 & 4 |
2 & 3 |
2 & 3 |
Note: Pins designated should be in the closed position |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
|
Factory configured - do not alter |
JP8 |
N/A |
|
Factory configured - do not alter |
JP77 |
N/A |
CACHE CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
128KB |
(4) 32K x 8 |
NONE |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
512KB |
(4) 128K x 8 |
NONE |
CACHE TAG CONFIGURATION | ||||
Size |
TAG (U54) |
TAG (U55) |
TAG (U56) |
TAG (U72) |
64KB |
NONE |
(1) 8K x 8 |
NONE |
(1) 16K/64K x 1 |
128KB |
NONE |
(1) 8K x 8 |
NONE |
(1) 16K/64K x 1 |
256KB |
NONE |
(1) 8K x 8 |
(1) 8K x 8 |
(1) 16K/64K x 8 |
512KB |
NONE |
(1) 32K x 8 |
NONE |
(1) 64K x 1 |
CACHE JUMPER CONFIGURATION | |||||||
Size |
JP2 |
JP3 |
JP4 |
JP5 |
JP16 |
JP17 |
JP18 |
64KB |
2 & 3 |
Open |
Open |
Open |
Open |
Open |
Open |
128KB |
1 & 2 |
Closed |
Open |
Open |
Closed |
Open |
Open |
256KB |
2 & 3 |
Closed |
Closed |
Open |
Closed |
Closed |
Open |
512KB |
1 & 2 |
Closed |
Closed |
Closed |
Closed |
Closed |
Closed |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION | ||
Type |
JP10 |
JP11 |
80486SX |
pins 2 & 3 closed |
Open |
80487SX |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |
80486DX |
pins 1 & 2, 3 & 4 closed |
pins 2 & 3 closed |
80486DX2 |
pins 1 & 2, 3 & 4 closed |
pins 2 & 3 closed |
Pentium Overdrive |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |
CPU SPEED CONFIGURATION | |
Speed |
JP12 |
25MHz |
pins 2 & 3 closed |
33MHz |
pins 2 & 3 closed |
50iMHz |
pins 2 & 3 closed |
50MHz |
pins 1 & 2 closed |
66iMHz |
pins 2 & 3 closed |
BASE MEMORY CONFIGURATION | ||
Size |
JP20 |
JP21 |
384KB |
pins 2 & 3 closed |
Open |
512KB |
pins 2 & 3 closed |
Closed |
640KB |
pins 1 & 2 closed |
Any setting |