|
M4LI (REV. 3A)
MICRONICS COMPUTERS, INC.
M4LI (REV. 3A)
|
Processor
|
AM486SX/80486SX/AM486SX2/80486SX2/SL AM486DX/CX486DX/ CX486DX2/80486DX/80486DX2/SL80486DX2/AM486DX4/80486DX4/Pentium Overdrive
|
|
Processor Speed
|
25/33/40(internal)/50(internal)/66(internal)/75(internal)/100(internal)MHz
|
|
Chip Set
|
SIS
|
|
Max. Onboard DRAM
|
128MB
|
|
Cache
|
128/256KB
|
|
BIOS
|
Phoenix
|
|
Dimensions
|
241mm x 218mm
|
|
I/O Options
|
PS/2 mouse port, PS/2 mouse interface, parallel port, serial port (2), 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2)
|
|
NPU Options
|
None
|
|
CONNECTIONS
|
|
Purpose
|
Location
|
Purpose
|
Location
|
|
PS/2 mouse port
|
CN1
|
IDE interface 2
|
J25
|
|
Turbo switch
|
J2
|
Speaker
|
J31
|
|
Turbo LED
|
J3
|
Floppy drive interface
|
J36
|
|
Power LED & keylock
|
J9
|
Serial port 1
|
J37
|
|
PS/2 mouse interface
|
J10
|
Serial port 2
|
J38
|
|
IDE interface 1
|
J20
|
Parallel port
|
J39
|
|
IDE interface LED
|
J21
|
32-bit PCI slots
|
PC1 - PC4
|
|
Reset switch
|
J23
|
|
|
|
USER CONFIGURABLE SETTINGS
|
|
Function
|
Jumper
|
Position
|
|
»
|
Factory configured - do not alter
|
J22
|
N/A
|
|
»
|
Factory configured - do not alter
|
W19
|
pins 2 & 3 closed
|
|
»
|
PCI clock speed select CPU clock speed
|
W20
|
pins 1 & 2 closed
|
|
|
PCI clock speed select ½ CPU clock speed
|
W20
|
pins 2 & 3 closed
|
|
»
|
PS/2 mouse type select PS/2 version
|
W33
|
Closed
|
|
|
PS/2 mouse type select AT version
|
W33
|
Open
|
|
»
|
Factory configured - do not alter
|
W38
|
pins 2 & 3 closed
|
|
DRAM CONFIGURATION
|
|
Size
|
Bank 0
|
Bank 1
|
Bank 2
|
Bank 3
|
|
4MB
|
(1) 1M x 36
|
NONE
|
NONE
|
NONE
|
|
8MB
|
(1) 2M x 36
|
NONE
|
NONE
|
NONE
|
|
8MB
|
(1) 1M x 36
|
(1) 1M x 36
|
NONE
|
NONE
|
|
12MB
|
(1) 1M x 36
|
(1) 1M x 36
|
(1) 1M x 36
|
NONE
|
|
16MB
|
(1) 1M x 36
|
(1) 1M x 36
|
(1) 1M x 36
|
(1) 1M x 36
|
|
16MB
|
(1) 4M x 36
|
NONE
|
NONE
|
NONE
|
|
16MB
|
(1) 2M 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) 2M x 36
|
(1) 1M x 36
|
(1) 1M x 36
|
|
32MB
|
(1) 8M x 36
|
NONE
|
NONE
|
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
|
|
40MB
|
(1) 4M x 36
|
(1) 4M x 36
|
(1) 1M x 36
|
(1) 1M x 36
|
|
48MB
|
(1) 4M x 36
|
(1) 4M x 36
|
(1) 2M x 36
|
(1) 2M x 36
|
|
48MB
|
(1) 4M x 36
|
(1) 4M x 36
|
(1) 4M x 36
|
NONE
|
|
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
|
|
72MB
|
(1) 8M x 36
|
(1) 8M x 36
|
(1) 1M x 36
|
(1) 1M x 36
|
|
80MB
|
(1) 8M x 36
|
(1) 8M x 36
|
(1) 2M x 36
|
(1) 2M x 36
|
|
96MB
|
(1) 8M x 36
|
(1) 8M x 36
|
(1) 8M x 36
|
NONE
|
|
96MB
|
(1) 8M x 36
|
(1) 8M x 36
|
(1) 4M x 36
|
(1) 4M 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
|
|
CACHE JUMPER CONFIGURATION
|
|
Size
|
W23
|
W34
|
W35
|
W36
|
|
None
|
Open
|
Open
|
Open
|
Open
|
|
128KB
|
Open
|
1 & 2
|
1 & 2, 4 & 5
|
1 & 2
|
|
256KB (A)
|
Closed
|
2 & 3
|
2 & 3, 4 & 5
|
2 & 3
|
|
256KB (B)
|
Closed
|
1 & 2
|
1 & 2, 3 & 4
|
2 & 3
|
|
Note: Pins designated should be in the closed position.
|
|
CPU TYPE CONFIGURATION
|
|
Type
|
W8
|
|
AM486SX
|
12 & 13, 15 & 16, 37 & 38, 42 & 43
|
|
80486SX
|
3 & 4, 12 & 13, 15 & 16, 19 & 20, 21 & 22, 26 & 27, 37 & 38, 42 & 43
|
|
AM486SX2
|
12 & 13, 15 & 16, 37 & 38, 42 & 43
|
|
80486SX2
|
3 & 4, 12 & 13, 15 & 16, 19 & 20, 21 & 22, 26 & 27, 37 & 38, 42 & 43
|
|
SL AM486DX
|
1 & 2, 3 & 4, 8 & 9, 11 & 12, 13 & 14, 15 & 16, 19 & 20, 21 & 22,
26 & 27, 29 & 30, 33 & 34, 36 & 37, 40 & 41, 42 & 43
|
|
CX486DX
|
2 & 3, 6 & 7, 9 & 10, 11 & 12, 13 & 14, 15 & 16, 18 & 19, 21 & 22,
24 & 25, 37 & 38, 40 & 41
|
|
80486DX
|
3 & 4, 11 & 12, 13 & 14, 15 & 16, 19 & 20, 21 & 22, 26 & 27,
37 & 38, 40 & 41, 42 & 43
|
|
CX486DX2
|
2 & 3, 6 & 7, 9 & 10, 11 & 12, 13 & 14, 15 & 16, 18 & 19, 21 & 22,
24 & 25, 37 & 38, 40 & 41
|
|
80486DX2 (WB)
|
1 & 2, 3 & 4, 8 & 9, 11 & 12, 13 & 14, 15 & 16, 19 & 20, 21 & 22,
26 & 27, 29 & 30, 33 & 34, 36 & 37, 40 & 41, 42 & 43
|
|
80486DX2
|
3 & 4, 11 & 12, 13 & 14, 15 & 16, 19 & 20, 21 & 22, 26 & 27,
37 & 38, 40 & 41, 42 & 43
|
|
AM486DX4
|
3 & 4, 11 & 12, 13 & 14, 15 & 16, 19 & 20, 21 & 22, 26 & 27,
37 & 38, 40 & 41, 42 & 43
|
|
80486DX4
|
3 & 4, 11 & 12, 13 & 14, 15 & 16, 19 & 20, 21 & 22, 26 & 27,
37 & 38, 40 & 41, 42 & 43
|
|
P24T
|
3 & 4, 5 & 6, 8 & 9, 11 & 12, 13 & 14, 15 & 16, 19 & 20, 21 & 22,
23 & 24, 36 & 37, 39 & 40, 42 & 43
|
|
Note: Pins designated should be in the closed position.
|
|
CPU SPEED CONFIGURATION
|
|
Speed
|
W15
|
W16
|
|
25MHz
|
Open
|
Open
|
|
33MHz
|
Closed
|
Closed
|
|
40MHz
|
Open
|
Closed
|
|
50iMHz
|
Open
|
Open
|
|
66iMHz
|
Closed
|
Closed
|
|
75iMHz
|
Open
|
Open
|
|
100iMHz
|
Closed
|
Closed
|
|
CPU VOLTAGE CONFIGURATION
|
|
Size
|
J4
|
|
3.3v
|
Open
|
|
4v
|
Open
|
|
5v
|
pins 3 & 5, 4 & 6, 7 & 9, 8 & 10 closed
|
|