MYLEX CORPORATION
MPXS486
|
Processor |
80486SX/ODP486/CX486DX/(SL)AM486DX/SL80486DX/CX486DX2/ CX486DX2V/UMC U5S/AM486DX2/(SL)AM486DX2/SL80486DX2/ AM486DX4/80486DX4/P24D/P24T |
|
Processor Speed |
25/33/40/50(internal)/50/63(internal)/66(internal)/75(internal)/ 80(internal)/83(internal)/100(internal)MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
128MB |
|
Maximum Video Memory |
None |
|
Cache |
128/256/512/1024KB |
|
BIOS |
Award |
|
Dimensions |
250mm x 220mm |
|
I/O Options |
32-bit PCI slots (3), floppy drive interface, game interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Floppy drive interface |
CN1 |
IDE interface LED 2 |
JP15 |
|
Serial port 1 |
CN2 |
Green PC connector |
JP29 |
|
Serial port 2 |
CN3 |
Green PC LED |
JP27 |
|
Game interface |
CN4 |
Turbo switch |
JP35 |
|
Parallel port |
CN5 |
Turbo LED |
JP36 |
|
IDE interface 2 |
CN6 |
Speaker |
JP37 |
|
IDE interface 1 |
CN7 |
Reset switch |
JP44 |
|
External battery |
JP12 |
Power LED & keylock |
JP45 |
|
IDE interface LED 1 |
JP14 |
32-bit PCI slots |
PC1 – PC3 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
» |
CMOS memory normal operation |
JP13 |
Pins 1 & 2 closed |
|
CMOS memory clear |
JP13 |
Pins 2 & 3 closed | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
1MB |
(1) 256K x 36 |
None |
None |
None |
|
2MB |
(1) 512K x 36 |
None |
None |
None |
|
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
None |
None |
|
3MB |
(1) 512K x 36 |
(1) 256K x 36 |
None |
None |
|
3MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
|
4MB |
(1) 1M x 36 |
None |
None |
None |
|
4MB |
(1) 512K x 36 |
(1) 512K x 36 |
None |
None |
|
4MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
5MB |
(1) 1M x 36 |
(1) 256K x 36 |
None |
None |
|
5MB |
(1) 512K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
6MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
|
6MB |
(1) 1M x 36 |
(1) 512K x 36 |
None |
None |
|
6MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
None |
|
7MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
8MB |
(1) 2M x 36 |
None |
None |
None |
|
8MB |
(1) 1M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
None |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
None |
None |
|
8MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
|
9MB |
(1) 2M x 36 |
(1) 256K x 36 |
None |
None |
|
10MB |
(1) 2M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
|
10MB |
(1) 2M x 36 |
(1) 512K x 36 |
None |
None |
|
10MB |
(1) 1M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
|
11MB |
(1) 2M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
12MB |
(1) 2M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
None |
|
DRAM CONFIGURATION (CON’T) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
12MB |
(1) 2M x 36 |
(1) 1M x 36 |
None |
None |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
|
14MB |
(1) 2M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
|
16MB |
(1) 4M x 36 |
None |
None |
None |
|
16MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
None |
None |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
17MB |
(1) 4M x 36 |
(1) 256K x 36 |
None |
None |
|
18MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
|
19MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
20MB |
(1) 4M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
None |
|
20MB |
(1) 4M x 36 |
(1) 1M x 36 |
None |
None |
|
20MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
None |
None |
|
22MB |
(1) 4M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
|
24MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
|
24MB |
(1) 4M x 36 |
(1) 2M x 36 |
None |
None |
|
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
24MB |
(1) 2M x 36 |
(1) 4M x 36 |
None |
None |
|
28MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
32MB |
(1) 8M x 36 |
None |
None |
None |
|
32MB |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
None |
None |
|
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
33MB |
(1) 8M x 36 |
(1) 256K x 36 |
None |
None |
|
34MB |
(1) 8M x 36 |
(1) 512K x 36 |
None |
None |
|
35MB |
(1) 8M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
36MB |
(1) 8M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
None |
|
36MB |
(1) 8M x 36 |
(1) 1M x 36 |
None |
None |
|
38MB |
(1) 8M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
|
40MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
|
40MB |
(1) 8M x 36 |
(1) 2M x 36 |
None |
None |
|
40MB |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
44MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
48MB |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
48MB |
(1) 8M x 36 |
(1) 4M x 36 |
None |
None |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
|
52MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
56MB |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
56MB |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
64MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
|
DRAM CONFIGURATION (CON’T) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
None |
None |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
80MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
80MB |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
|
96MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
|
100MB |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
104MB |
(1) 2M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
112MB |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
128MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
128KB |
(4) 32K x 8 |
None |
(1) 8K x 8 |
|
256KB (A) |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
|
256KB (B) |
(4) 64K x 8 |
None |
(1) 32K x 8 |
|
512KB (A) |
(4) 64K x 8 |
(4) 64K x 8 |
(1) 32K x 8 |
|
512KB (B) |
(4) 128K x 8 |
None |
(1) 32K x 8 |
|
1MB |
(4) 128K x 8 |
(4) 128K x 8 |
(1) 64K x 8 |
|
CACHE JUMPER CONFIGURATION | ||||||
|
Size |
JP17 |
JP18 |
JP19 |
JP20 |
JP25 |
JP26 |
|
128KB |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
|
256KB (A) |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
|
256KB (B) |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2 |
|
512KB (A) |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
512KB (B) |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
|
1MB |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
Note: Pins designated should be in the closed position. | ||||||
|
CPU SPEED SELECTION | ||
|
Speed |
JP22 |
JP23 |
|
25MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
33MHz |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
40MHz |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
50iMHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
50MHz |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
63iMHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
66iMHz |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
75iMHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
80iMHz |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
83iMHz |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
100iMHz |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
CPU TYPE SELECTION | ||||||
|
Type |
J2 |
J3 |
J4 |
J5 |
J6 |
J7 |
|
80486SX |
Closed |
Open |
Open |
Open |
Closed |
Open |
|
ODP486 |
Open |
Closed |
Open |
Open |
Closed |
Open |
|
CX486DX |
Open |
Closed |
Open |
Closed |
Open |
Open |
|
(SL) AM486DX |
Open |
Closed |
Open |
Open |
Closed |
Open |
|
SL80486DX |
Open |
Closed |
Open |
Open |
Closed |
Open |
|
CX486DX2 |
Open |
Closed |
Open |
Closed |
Open |
Open |
|
CX486DX2V |
Open |
Closed |
Open |
Closed |
Open |
Open |
|
UMC U5S |
Closed |
Open |
Open |
Open |
Closed |
Open |
|
AM486DX2 |
Open |
Closed |
Open |
Open |
Closed |
Open |
|
(SL) AM486DX2 |
Open |
Closed |
Open |
Open |
Closed |
Open |
|
SL80486DX2 |
Open |
Closed |
Open |
Open |
Closed |
Open |
|
AM486DX4 |
Open |
Closed |
Open |
Open |
Closed |
Open |
|
80486DX4 |
Open |
Closed |
Open |
Open |
Closed |
Open |
|
P24D |
Open |
Open |
Closed |
Open |
Open |
Closed |
|
P24T |
Open |
Open |
Closed |
Open |
Open |
Closed |
|
CPU TYPE SELECTION (CON’T) | |||||
|
Type |
JP31 |
JP39 |
JP40 |
JP42 |
JP43 |
|
80486SX |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
ODP486 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
|
CX486DX |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
(SL) AM486DX |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
SL80486DX |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
CX486DX2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
CX486DX2V |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
UMC U5S |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
|
AM486DX2 |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2 |
|
(SL) AM486DX2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
SL80486DX2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
AM486DX4 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
80486DX4 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
P24D |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
P24T |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
|
Note: Pins designated should be in the closed position. | |||||
|
CPU MULTIPLIER SELECTION (80486DX4 ONLY) | |
|
Multiplier |
JP41 |
|
2x |
Pins 2 & 3 closed |
|
3x |
Open |
|
CPU VOLTAGE SELECTION | |||||
|
Voltage |
JP32A |
JP32B |
JP32C |
JP38 | |
|
3.3v |
Open |
Open |
Open |
Pins 1 & 2 closed | |
|
4v |
Open |
Open |
Open |
Pins 2 & 3 closed | |
| » |
5v |
Closed |
Closed |
Closed |
Pins 2 & 3 closed |
|
PCI BUS SPEED SELECTION | |
|
Speed |
JP21 |
|
<= 33MHz |
Pins 1 & 2 closed |
|
>33 MHz |
Pins 2 & 3 closed |
|
DMA CHANNEL SELECTION | ||
|
Channel |
JP1 |
JP2 |
|
1 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
3 |
Pins 2 & 3 closed |
Pins 2 & 3 closed |