|
COBRA-XL
ROBOTECH, INC.
COBRA-XL
|
Processor
|
80486SX/80486SX2/80487SX/80486DX/SL80486DX/AM486DX2/CX486DX2/ AM486DXL2/ODP486DX2/SL80486DX2/80486DX2/U5S/U5SD/SL-AM486DX4/ AM486DX4/CX486DX4/ODP486DX4/80486DX4/Pentium Overdrive
|
|
Processor Speed
|
25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz
|
|
Chip Set
|
SIS
|
|
Max. Onboard DRAM
|
128MB
|
|
Cache
|
128/256/512/1024KB
|
|
BIOS
|
AMI
|
|
Dimensions
|
330mm x 218mm
|
|
I/O Options
|
32-bit PCI slots (3), floppy drive interface, game port, green PC connector, IDE interfaces (2), parallel port, serial ports (2)
|
|
NPU Options
|
None
|
|
CONNECTIONS
|
|
Purpose
|
Location
|
Purpose
|
Location
|
|
IDE interface
|
CN1
|
Reset switch
|
J2
|
|
IDE interface
|
CN2
|
Green PC connector
|
J3
|
|
Game port
|
CN3
|
Turbo LED
|
J4
|
|
Parallel port
|
CN4
|
Green PC connector
|
J5
|
|
Serial port 1
|
CN5
|
Turbo switch
|
J6
|
|
Serial port 2
|
CN6
|
Power LED & keylock
|
J7
|
|
Floppy drive interface
|
CN7
|
External battery
|
J8
|
|
Speaker
|
J1
|
32-bit PCI slots
|
PC1 - PC3
|
|
USER CONFIGURABLE SETTINGS
|
|
Function
|
Jumper
|
Position
|
|
»
|
Factory configured - do not alter
|
JC5
|
Open
|
|
»
|
Factory configured - do not alter
|
JC7
|
Open
|
|
»
|
Factory configured - do not alter
|
JP1
|
N/A
|
|
»
|
Factory configured - do not alter
|
JP8
|
N/A
|
|
»
|
STP.CLK enabled
|
JP6
|
pins 1 & 2 closed
|
|
|
SMI OUT enabled
|
JP6
|
pins 2 & 3 closed
|
|
»
|
BIOS type select normal mode
|
jp16
|
pins 2 & 3, 4 & 5 closed
|
|
|
BIOS type select update mode
|
jp16
|
pins 1 & 2, 5 & 6 closed
|
|
»
|
CMOS memory normal operation
|
JP17
|
Open
|
|
|
CMOS memory clear
|
JP17
|
Closed
|
|
»
|
On board battery enabled
|
JP18
|
Closed
|
|
|
On board battery disabled
|
JP18
|
Open
|
|
»
|
Factory configured - do not alter
|
JP19
|
N/A
|
|
»
|
COM1 enabled
|
JP20
|
pins 1 & 2 closed
|
|
|
COM1 disabled
|
JP20
|
pins 2 & 3 closed
|
|
»
|
COM2 enabled
|
JP22
|
pins 1 & 2 closed
|
|
|
COM2 disabled
|
JP22
|
pins 2 & 3 closed
|
|
»
|
Parallel port IRQ select IRQ7
|
JP30
|
pins 1 & 2 closed
|
|
|
Parallel port IRQ select IRQ5
|
JP30
|
pins 2 & 3 closed
|
|
»
|
Floppy drive interface enabled
|
JP32
|
pins 1 & 2 closed
|
|
|
Floppy drive interface disabled
|
JP32
|
pins 2 & 3 closed
|
|
»
|
Game port enabled
|
JP35
|
Closed
|
|
|
Game port disabled
|
JP35
|
Open
|
|
DRAM CONFIGURATION
|
|
Size
|
Bank 0
|
Bank 1
|
Bank 2
|
Bank 3
|
|
1MB
|
(1) 256K x 36
|
NONE
|
NONE
|
NONE
|
|
2MB
|
(1) 256K x 36
|
(1) 256K x 36
|
NONE
|
NONE
|
|
2MB
|
(1) 512K x 36
|
NONE
|
NONE
|
NONE
|
|
3MB
|
(1) 256K x 36
|
(1) 256K x 36
|
(1) 256K x 36
|
NONE
|
|
3MB
|
(1) 512K x 36
|
(1) 256K x 36
|
NONE
|
NONE
|
|
4MB
|
(1) 256K x 36
|
(1) 256K x 36
|
(1) 256K x 36
|
(1) 256K x 36
|
|
4MB
|
(1) 512K x 36
|
(1) 512K x 36
|
NONE
|
NONE
|
|
4MB
|
(1) 1M x 36
|
NONE
|
NONE
|
NONE
|
|
4MB
|
(1) 512K x 36
|
(1) 256K x 36
|
(1) 256K x 36
|
NONE
|
|
5MB
|
(1) 512K x 36
|
(1) 256K x 36
|
(1) 256K x 36
|
(1) 256K x 36
|
|
5MB
|
(1) 256K x 36
|
(1) 1M x 36
|
NONE
|
NONE
|
|
5MB
|
(1) 1M x 36
|
(1) 256K x 36
|
NONE
|
NONE
|
|
5MB
|
(1) 1M x 36
|
(1) 256K x 36
|
NONE
|
NONE
|
|
6MB
|
(1) 512K x 36
|
(1) 512K x 36
|
(1) 512K x 36
|
NONE
|
|
6MB
|
(1) 1M x 36
|
(1) 256K x 36
|
(1) 256K x 36
|
NONE
|
|
6MB
|
(1) 1M x 36
|
(1) 256K x 36
|
(1) 256K x 36
|
NONE
|
|
7MB
|
(1) 1M x 36
|
(1) 256K x 36
|
(1) 256K x 36
|
(1) 256K x 36
|
|
7MB
|
(1) 1M x 36
|
(1) 256K x 36
|
(1) 256K x 36
|
(1) 256K x 36
|
|
8MB
|
(1) 512K x 36
|
(1) 512K x 36
|
(1) 512K x 36
|
(1) 512K x 36
|
|
8MB
|
(1) 1M x 36
|
(1) 1M x 36
|
NONE
|
NONE
|
|
8MB
|
(1) 2M x 36
|
NONE
|
NONE
|
NONE
|
|
9MB
|
(1) 256K x 36
|
(1) 1M x 36
|
(1) 1M x 36
|
NONE
|
|
9MB
|
(1) 256K x 36
|
(1) 2M x 36
|
NONE
|
NONE
|
|
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
|
|
11MB
|
(1) 2M x 36
|
(1) 256K x 36
|
(1) 256K x 36
|
(1) 256K x 36
|
|
12MB
|
(1) 1M x 36
|
(1) 1M x 36
|
(1) 1M x 36
|
NONE
|
|
12MB
|
(1) 1M x 36
|
(1) 2M x 36
|
NONE
|
NONE
|
|
12MB
|
(1) 2M x 36
|
(1) 1M x 36
|
NONE
|
NONE
|
|
13MB
|
(1) 256K x 36
|
(1) 1M x 36
|
(1) 1M x 36
|
(1) 1M x 36
|
|
16MB
|
(1) 1M x 36
|
(1) 1M x 36
|
(1) 1M x 36
|
(1) 1M x 36
|
|
16MB
|
(1) 2M x 36
|
(1) 2M x 36
|
NONE
|
NONE
|
|
16MB
|
(1) 4M x 36
|
NONE
|
NONE
|
NONE
|
|
16MB
|
(1) 2M x 36
|
(1) 1M x 36
|
(1) 1M x 36
|
NONE
|
|
17MB
|
(1) 256K x 36
|
(1) 2M x 36
|
(1) 2M x 36
|
NONE
|
|
17MB
|
(1) 256K x 36
|
(1) 4M x 36
|
NONE
|
NONE
|
|
20MB
|
(1) 1M x 36
|
(1) 2M x 36
|
(1) 2M x 36
|
NONE
|
|
20MB
|
(1) 1M x 36
|
(1) 4M x 36
|
NONE
|
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
|
|
24MB
|
(1) 2M x 36
|
(1) 2M x 36
|
(1) 2M x 36
|
NONE
|
|
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) 4M x 36
|
NONE
|
NONE
|
|
DRAM CONFIGURATION (CON’T)
|
|
Size
|
Bank 0
|
Bank 1
|
Bank 2
|
Bank 3
|
|
25MB
|
(1) 256K x 36
|
(1) 2M x 36
|
(1) 2M x 36
|
(1) 2M x 36
|
|
28MB
|
(1) 1M x 36
|
(1) 2M x 36
|
(1) 2M x 36
|
(1) 2M x 36
|
|
28MB
|
(1) 4M x 36
|
(1) 1M x 36
|
(1) 1M x 36
|
(1) 1M x 36
|
|
32MB
|
(1) 2M x 36
|
(1) 2M x 36
|
(1) 2M x 36
|
(1) 2M x 36
|
|
32MB
|
(1) 4M x 36
|
(1) 4M x 36
|
NONE
|
NONE
|
|
32MB
|
(1) 8M x 36
|
NONE
|
NONE
|
NONE
|
|
32MB
|
(1) 4M x 36
|
(1) 2M x 36
|
(1) 2M x 36
|
NONE
|
|
33MB
|
(1) 256K x 36
|
(1) 4M x 36
|
(1) 4M x 36
|
NONE
|
|
33MB
|
(1) 256K x 36
|
(1) 8M x 36
|
NONE
|
NONE
|
|
33MB
|
(1) 8M x 36
|
(1) 256K x 36
|
NONE
|
NONE
|
|
34MB
|
(1) 8M x 36
|
(1) 256K x 36
|
(1) 256K x 36
|
NONE
|
|
35MB
|
(1) 8M x 36
|
(1) 256K x 36
|
(1) 256K x 36
|
(1) 256K x 36
|
|
36MB
|
(1) 1M x 36
|
(1) 4M x 36
|
(1) 4M x 36
|
NONE
|
|
36MB
|
(1) 1M x 36
|
(1) 8M x 36
|
NONE
|
NONE
|
|
36MB
|
(1) 8M x 36
|
(1) 1M x 36
|
NONE
|
NONE
|
|
40MB
|
(1) 4M x 36
|
(1) 2M x 36
|
(1) 2M x 36
|
(1) 2M x 36
|
|
40MB
|
(1) 2M x 36
|
(1) 4M x 36
|
(1) 4M x 36
|
NONE
|
|
40MB
|
(1) 2M x 36
|
(1) 8M x 36
|
NONE
|
NONE
|
|
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
|
|
44MB
|
(1) 8M x 36
|
(1) 1M x 36
|
(1) 1M x 36
|
(1) 1M x 36
|
|
48MB
|
(1) 4M x 36
|
(1) 4M x 36
|
(1) 4M x 36
|
NONE
|
|
48MB
|
(1) 4M x 36
|
(1) 8M x 36
|
NONE
|
NONE
|
|
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
|
|
49MB
|
(1) 256K x 36
|
(1) 4M x 36
|
(1) 4M x 36
|
(1) 4M x 36
|
|
52MB
|
(1) 1M x 36
|
(1) 4M x 36
|
(1) 4M x 36
|
(1) 4M x 36
|
|
56MB
|
(1) 2M 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
|
|
64MB
|
(1) 4M x 36
|
(1) 4M x 36
|
(1) 4M x 36
|
(1) 4M x 36
|
|
64MB
|
(1) 8M x 36
|
(1) 8M x 36
|
NONE
|
NONE
|
|
64MB
|
(1) 16M x 36
|
NONE
|
NONE
|
NONE
|
|
64MB
|
(1) 8M x 36
|
(1) 4M x 36
|
(1) 4M x 36
|
NONE
|
|
64MB
|
(1) 8M x 36
|
(1) 8M x 36
|
NONE
|
NONE
|
|
65MB
|
(1) 256K x 36
|
(1) 8M x 36
|
(1) 8M x 36
|
NONE
|
|
65MB
|
(1) 256K x 36
|
(1) 16M x 36
|
NONE
|
NONE
|
|
65MB
|
(1) 16M x 36
|
(1) 256K x 36
|
NONE
|
NONE
|
|
66MB
|
(1) 16M x 36
|
(1) 256K x 36
|
(1) 256K x 36
|
NONE
|
|
67MB
|
(1) 16M x 36
|
(1) 256K x 36
|
(1) 256K x 36
|
(1) 256K x 36
|
|
68MB
|
(1) 1M x 36
|
(1) 8M x 36
|
(1) 8M x 36
|
NONE
|
|
68MB
|
(1) 1M x 36
|
(1) 16M x 36
|
NONE
|
NONE
|
|
68MB
|
(1) 16M x 36
|
(1) 1M x 36
|
NONE
|
NONE
|
|
72MB
|
(1) 2M x 36
|
(1) 8M x 36
|
(1) 8M x 36
|
NONE
|
|
72MB
|
(1) 2M x 36
|
(1) 16M x 36
|
NONE
|
NONE
|
|
DRAM CONFIGURATION (CON’T)
|
|
Size
|
Bank 0
|
Bank 1
|
Bank 2
|
Bank 3
|
|
72MB
|
(1) 16M x 36
|
(1) 1M x 36
|
(1) 1M x 36
|
NONE
|
|
72MB
|
(1) 16M x 36
|
(1) 2M x 36
|
NONE
|
NONE
|
|
76MB
|
(1) 16M x 36
|
(1) 1M x 36
|
(1) 1M x 36
|
(1) 1M x 36
|
|
80MB
|
(1) 4M x 36
|
(1) 8M x 36
|
(1) 8M x 36
|
NONE
|
|
80MB
|
(1) 4M x 36
|
(1) 16M x 36
|
NONE
|
NONE
|
|
80MB
|
(1) 16M x 36
|
(1) 2M x 36
|
(1) 2M x 36
|
NONE
|
|
80MB
|
(1) 16M x 36
|
(1) 4M x 36
|
NONE
|
NONE
|
|
80MB
|
(1) 8M x 36
|
(1) 4M x 36
|
(1) 4M x 36
|
(1) 4M x 36
|
|
88MB
|
(1) 16M x 36
|
(1) 2M 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) 16M x 36
|
(1) 4M x 36
|
(1) 4M x 36
|
NONE
|
|
96MB
|
(1) 16M x 36
|
(1) 8M x 36
|
NONE
|
NONE
|
|
96MB
|
(1) 8M x 36
|
(1) 8M x 36
|
(1) 8M x 36
|
NONE
|
|
96MB
|
(1) 8M x 36
|
(1) 16M x 36
|
NONE
|
NONE
|
|
97MB
|
(1) 256K x 36
|
(1) 8M x 36
|
(1) 8M x 36
|
(1) 8M x 36
|
|
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
|
|
112MB
|
(1) 16M x 36
|
(1) 4M x 36
|
(1) 4M x 36
|
(1) 4M x 36
|
|
128MB
|
(1) 16M x 36
|
(1) 8M x 36
|
(1) 8M x 36
|
NONE
|
|
128MB
|
(1) 16M x 36
|
(1) 16M x 36
|
NONE
|
NONE
|
|
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
|
(4) 32K x 8
|
(4) 32K x 8
|
(1) 16K x 8
|
|
256KB
|
(4) 64K x 8
|
NONE
|
(1) 16K x 8
|
|
512KB
|
(4) 64K x 8
|
(4) 64K x 8
|
(1) 32K x 8
|
|
512KB
|
(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
|
JP9
|
JP10
|
JP11
|
JP12
|
JP13
|
|
128KB
|
1 & 2
|
1 & 2
|
1 & 2
|
1 & 2
|
1 & 2, 3 & 4
|
|
256KB
|
1 & 2
|
2 & 3
|
2 & 3
|
1 & 2
|
2 & 3, 4 & 5
|
|
256KB
|
1 & 2
|
2 & 3
|
1 & 2
|
2 & 3
|
1 & 2, 3 & 4
|
|
512KB
|
2 & 3
|
2 & 3
|
1 & 2
|
1 & 2
|
1 & 2, 3 & 4
|
|
512KB
|
2 & 3
|
2 & 3
|
2 & 3
|
1 & 2
|
2 & 3, 4 & 5
|
|
1MB
|
2 & 3
|
2 & 3
|
2 & 3
|
1 & 2
|
2 & 3, 4 & 5
|
|
Note: Pins designated should be in the closed position.
|
|
CPU TYPE CONFIGURATION
|
|
Type
|
JC1
|
JC2
|
JC3
|
JC4
|
JC6
|
|
80486SX
|
2 & 3
|
N/A
|
3 & 4
|
N/A
|
N/A
|
|
80486SX2
|
2 & 3
|
N/A
|
3 & 4
|
N/A
|
N/A
|
|
80487SX
|
2 & 3
|
N/A
|
3 & 4
|
N/A
|
N/A
|
|
80486DX
|
2 & 3
|
N/A
|
N/A
|
N/A
|
N/A
|
|
SL80486DX
|
2 & 3
|
N/A
|
3 & 4
|
N/A
|
N/A
|
|
AM486DX2
|
2 & 3
|
N/A
|
N/A
|
N/A
|
N/A
|
|
CX486DX2
|
2 & 3
|
N/A
|
2 & 3
|
N/A
|
N/A
|
|
AM486DXL2
|
2 & 3
|
N/A
|
N/A
|
N/A
|
N/A
|
|
ODP486DX2
|
2 & 3
|
N/A
|
3 & 4
|
N/A
|
N/A
|
|
SL80486DX2
|
2 & 3
|
N/A
|
3 & 4
|
N/A
|
N/A
|
|
80486DX2
|
2 & 3
|
N/A
|
N/A
|
N/A
|
N/A
|
|
U5S
|
2 & 3
|
N/A
|
N/A
|
N/A
|
N/A
|
|
U5SD
|
2 & 3
|
N/A
|
N/A
|
N/A
|
N/A
|
|
SL AM486DX4
|
2 & 3
|
N/A
|
1 & 2, 3 & 4
|
N/A
|
4 & 5
|
|
AM486DX4
|
2 & 3
|
N/A
|
N/A
|
N/A
|
N/A
|
|
CX486DX4
|
1 & 2
|
1 & 2
|
1 & 2, 3 & 4
|
N/A
|
2 & 3
|
|
ODP486DX4
|
2 & 3
|
N/A
|
3 & 4
|
N/A
|
N/A
|
|
80486DX4
|
2 & 3
|
N/A
|
3 & 4
|
N/A
|
N/A
|
|
Pentium Overdrive
|
2 & 3
|
N/A
|
3 & 4
|
1 & 2
|
N/A
|
|
Note: Pins designated should be in the closed position.
|
|
CPU TYPE CONFIGURATION (CON’T)
|
|
Type
|
JC8
|
JC9
|
JC10
|
JC11
|
JC12
|
|
80486SX
|
N/A
|
2 & 3
|
3 & 4
|
4 & 5
|
1 & 2
|
|
80486SX2
|
N/A
|
2 & 3
|
3 & 4
|
4 & 5
|
1 & 2
|
|
80487SX
|
N/A
|
2 & 3
|
2 & 3
|
4 & 5
|
1 & 2
|
|
80486DX
|
N/A
|
N/A
|
3 & 4
|
N/A
|
N/A
|
|
SL80486DX
|
N/A
|
2 & 3
|
3 & 4
|
4 & 5
|
1 & 2
|
|
AM486DX2
|
N/A
|
N/A
|
3 & 4
|
N/A
|
N/A
|
|
CX486DX2
|
2 & 3
|
1 & 2
|
3 & 4
|
2 & 3
|
1 & 2
|
|
AM486DXL2
|
3 & 4
|
4 & 5
|
1 & 2, 3 & 4
|
N/A
|
1 & 2
|
|
ODP486DX2
|
N/A
|
2 & 3
|
3 & 4
|
4 & 5
|
1 & 2
|
|
SL80486DX2
|
N/A
|
2 & 3
|
3 & 4
|
4 & 5
|
1 & 2
|
|
80486DX2
|
N/A
|
N/A
|
3 & 4
|
N/A
|
N/A
|
|
U5S
|
3 & 4
|
N/A
|
1 & 2
|
N/A
|
1 & 2
|
|
U5SD
|
3 & 4
|
N/A
|
1 & 2
|
N/A
|
1 & 2
|
|
SL AM486DX4
|
N/A
|
2 & 3
|
3 & 4
|
4 & 5
|
1 & 2
|
|
AM486DX4
|
N/A
|
N/A
|
3 & 4
|
N/A
|
N/A
|
|
CX486DX4
|
N/A
|
2 & 3
|
3 & 4
|
2 & 3
|
1 & 2
|
|
ODP486DX4
|
N/A
|
2 & 3
|
2 & 3
|
1 & 2
|
1 & 2
|
|
80486DX4
|
N/A
|
2 & 3
|
3 & 4
|
4 & 5
|
1 & 2
|
|
Pentium Overdrive
|
N/A
|
2 & 3
|
2 & 3
|
1 & 2
|
1 & 2
|
|
Note: Pins designated should be in the closed position.
|
|
CPU TYPE CONFIGURATION (CON’T)
|
|
Type
|
JC13
|
JC14
|
JC15
|
Q5
|
|
80486SX
|
2 & 3
|
N/A
|
N/A
|
2 & 3, 5 & 6
|
|
80486SX2
|
2 & 3
|
N/A
|
N/A
|
2 & 3, 5 & 6
|
|
80487SX
|
1 & 2, 3 & 4
|
N/A
|
N/A
|
2 & 3, 5 & 6
|
|
80486DX
|
1 & 2, 3 & 4
|
N/A
|
N/A
|
2 & 3, 5 & 6
|
|
SL80486DX
|
1 & 2, 3 & 4
|
N/A
|
N/A
|
2 & 3, 5 & 6
|
|
AM486DX2
|
1 & 2, 3 & 4
|
N/A
|
N/A
|
2 & 3, 5 & 6
|
|
CX486DX2
|
1 & 2, 3 & 4
|
2 & 3
|
N/A
|
2 & 3, 5 & 6
|
|
AM486DXL2
|
1 & 2, 3 & 4
|
N/A
|
2 & 3
|
2 & 3, 5 & 6
|
|
ODP486DX2
|
1 & 2, 3 & 4
|
N/A
|
N/A
|
2 & 3, 5 & 6
|
|
SL80486DX2
|
1 & 2, 3 & 4
|
N/A
|
N/A
|
2 & 3, 5 & 6
|
|
80486DX2
|
1 & 2, 3 & 4
|
N/A
|
N/A
|
2 & 3, 5 & 6
|
|
U5S
|
2 & 3
|
N/A
|
N/A
|
2 & 3, 5 & 6
|
|
U5SD
|
3 & 4
|
N/A
|
N/A
|
2 & 3, 5 & 6
|
|
SL AM486DX4
|
1 & 2, 3 & 4
|
1 & 2
|
N/A
|
N/A
|
|
AM486DX4
|
1 & 2, 3 & 4
|
N/A
|
N/A
|
N/A
|
|
CX486DX4
|
1 & 2, 3 & 4
|
1 & 2
|
N/A
|
N/A
|
|
ODP486DX4
|
1 & 2, 3 & 4
|
N/A
|
N/A
|
N/A
|
|
80486DX4
|
1 & 2, 3 & 4
|
N/A
|
N/A
|
N/A
|
|
Pentium Overdrive
|
1 & 2, 3 & 4
|
N/A
|
N/A
|
2 & 3, 5 & 6
|
|
Note: Pins designated should be in the closed position.
|
|
CPU SPEED CONFIGURATION
|
|
Speed
|
JP3
|
JP4
|
JP5
|
|
25MHz
|
Open
|
Open
|
Open
|
|
33MHz
|
Closed
|
Closed
|
Open
|
|
40MHz
|
Open
|
Closed
|
Open
|
|
50iMHz
|
Open
|
Open
|
Open
|
|
66iMHz
|
Closed
|
Closed
|
Open
|
|
75iMHz
|
Open
|
Open
|
Open
|
|
100iMHz
|
Closed
|
Closed
|
Open
|
|
PARALLEL PORT CONFIGURATION
|
|
Setting
|
JP24
|
JP25
|
JP29
|
JP31
|
|
Printer
|
pins 2 & 3 closed
|
pins 2 & 3 closed
|
pins 1 & 2 closed
|
N/A
|
|
EPP mode
|
pins 2 & 3 closed
|
pins 1 & 2 closed
|
pins 1 & 2 closed
|
Open
|
|
ECP/EPP
|
pins 1 & 2 closed
|
pins 2 & 3 closed
|
pins 1 & 2 closed
|
Open
|
|
EXT, two FDD
|
pins 1 & 2 closed
|
pins 1 & 2 closed
|
pins 1 & 2 closed
|
Open
|
|
DMA CONFIGURATION
|
|
DMA
|
JP26
|
JP27
|
|
DMA 3
|
pins 2 & 3 closed
|
pins 2 & 3 closed
|
|
DMA 1
|
pins 1 & 2 closed
|
pins 1 & 2 closed
|
|