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 | |||
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 | |||
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 | |||
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 | |||
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 | ||||
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) | |||
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 |