CSS LABORATORIES, INC.
MAXSYS 486MTE/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 (128MB on CPU module) |
Cache |
64/128/256/512KB |
BIOS |
AMI |
Dimensions |
330mm x 218mm |
I/O Options |
CPU module slot, 32-bit VESA local bus slot (1), floppy drive interface, IDE interface, parallel port, serial ports (2) |
NPU Options |
4167 |
CONNECTIONS |
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Purpose |
Location |
Purpose |
Location |
Speaker |
J4 |
Serial port 2 |
PJ4 |
Power LED & keylock |
J5 |
IDE interface |
PJ5 |
IDE interface LED |
J38 |
Parallel port (alternate) |
PJ2A |
Equipment panel connector |
J39 |
Serial port 1 (alternate) |
PJ3A |
IDE interface LED |
J40 |
Serial port 2 (alternate) |
PJ4A |
Turbo LED/reset switch |
J41 |
Keyboard connector (alternate) |
J11A |
Floppy drive interface |
PJ1 |
Keyboard connector (alternate) |
J11B |
Parallel port |
PJ2 |
CPU module slot |
SL1 |
Serial port 1 |
PJ3 |
32-bit VESA Local bus slot |
SL2 |
Note: The keyboard, parallel and serial connections marked "alternate" are used for easier placement of cables. Do not use a primary and an alternate connection jointly. |
USER CONFIGURABLE SETTINGS |
|||
Function |
Jumper |
Position |
|
» |
On board floppy controller enabled |
J1 |
pins 2 & 3 closed |
|
On board floppy controller disabled |
J1 |
pins 1 & 2 closed |
» |
On board IDE controller enabled |
J2 |
pins 2 & 3 closed |
|
On board IDE controller disabled |
J2 |
pins 1 & 2 closed |
» |
CPU bus clock select synchronous |
JP1 |
pins 1 & 2 closed |
|
CPU bus clock 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 |
SERIAL PORT CONFIGURATION |
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Port 1 |
PJ6 |
S0 |
S1 |
Disabled |
N/A |
pins 1 & 2 closed |
pins 1 & 2 closed |
COM1 IRQ4 |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
COM2 IRQ3 |
pins 1 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
SERIAL PORT CONFIGURATION |
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Port 2 |
PJ6 |
S2 |
S3 |
Disabled |
N/A |
pins 1 & 2 closed |
pins 1 & 2 closed |
COM1 IRQ4 |
pins 2 & 4 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
COM2 IRQ3 |
pins 3 & 4 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
PARALLEL PORT CONFIGURATION |
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Port |
P0 |
P1 |
PRT |
Disabled |
pins 1 & 2 closed |
pins 1 & 2 closed |
N/A |
LPT 1 IRQ7 |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
LPT 2 IRQ5 |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
LPT 3 IRQ 7 |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
DRAM CONFIGURATION |
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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 |
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 |
196MB |
(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 module board. |
CPU SPEED CONFIGURATION |
||
Speed |
JP6 |
JP7 |
25MHz |
Open |
Open |
33MHz |
Open |
Closed |
50iMHz |
Open |
Open |
50MHz |
Closed |
Closed |
66iMHz |
Open |
Closed |
USER CONFIGURABLE SETTINGS |
|||
Function |
Jumper |
Position |
|
» |
Factory configured - do not alter |
JP8 |
Open |
» |
Factory configured - do not alter |
JP77 |
Open |
BASE MEMORY CONFIGURATION |
||
Memory |
JP20 |
JP21 |
384KB |
pins 2 & 3 closed |
Open |
512KB |
pins 2 & 3 closed |
Closed |
640KB |
pins 1 & 2 closed |
N/A |
CACHE CONFIGURATION |
||
Size |
Bank 0 |
Bank 1 |
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
128KB |
(4) 16K x 8 |
(4) 16K x 8 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
512KB |
(4) 64K x 8 |
(4) 64K x 8 |
CACHE CONFIGURATION (TAG) |
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Size |
U55 |
U56 |
U72 |
64KB |
(1) 8K x 8 |
NONE |
(1) 16K x 1 or (1) 64K x 1 |
128KB |
(1) 8K x 8 |
NONE |
(1) 16K x 1 or (1) 64K x 1 |
256KB |
(1) 8K x 8 |
(1) 8K x 8 |
(1) 16K x 1 or (1) 64K x 1 |
512KB |
(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 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 |
CPU TYPE CONFIGURATION |
||
Type |
JP10 |
JP11 |
80486SX |
pins 2 & 3 closed |
Open |
80487SX |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |
80486DX/DX2 |
pins 1 & 2, 3 & 4 closed |
pins 2 & 3 closed |
Overdrive |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |