ACER, INC.
AP41
Processor |
AM486SX/80486SX/SL80486SX/AM486DX/CX486DX/80486DX/SL80486DX/ AM486DX2/CX486DX2/TI486DX2/80486DX2/80486DX2/SL80486DX2/ AM486DX4/CX486DX4/80486DX4/P24D/P24T/CX5X86 |
Processor Speed |
25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz |
Chip Set |
SIS |
Max. Onboard DRAM |
128MB |
Cache |
128/256/512KB |
BIOS |
AMI |
Dimensions |
254mm x 218mm |
I/O Options |
Parallel port, serial ports (2), 32-bit PCI slots (3), floppy drive interface, IDE interfaces (2) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Serial port 1 |
CN1 |
IDE interface 1 |
CN6 |
Serial port 2 |
CN2 |
Floppy drive interface |
CN7 |
Parallel port |
CN3 |
IDE interface LED |
JP6 |
IDE interface 2 |
CN4 |
Green PC connector |
JP9 |
Power LED & keylock |
CN5 pins 1 - 5 |
External battery |
JP35 |
Speaker |
CN5 pins 7 - 10 |
Chassis fan power |
JP43 |
Turbo LED |
CN5 pins 12 - 13 |
Chassis fan power |
JP46 |
Turbo switch |
CN5 pins 15 - 17 |
32-bit PCI slots |
PC1 - PC3 |
Reset switch |
CN5 pins 19 - 20 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
On board I/O enabled |
JP1 |
pins 1 & 2 closed | |
On board I/O disabled |
JP1 |
pins 2 & 3 closed | |
BIOS type select 12v flash ROM |
JP4 |
pins 1 & 2 closed | |
BIOS type select 5v EEPROM or flash ROM |
JP4 |
pins 2 & 3 closed | |
CMOS memory normal operation |
JP37 |
pins 1 & 2 closed | |
CMOS memory clear |
JP37 |
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 |
3MB |
(1) 256K 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 |
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 |
5MB |
(1) 256K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
5MB |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
NONE |
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 |
6MB |
(1) 512K x 36 |
(1) 1M x 36 |
NONE |
NONE |
7MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
7MB |
(1) 256K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
8MB |
(1) 2M x 36 |
NONE |
NONE |
NONE |
8MB |
(1) 1M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
DRAM CONFIGURATION (CON’T) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
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 |
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 |
10MB |
(1) 512K x 36 |
(1) 2M 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 |
10MB |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
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 |
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 |
12MB |
(1) 1M x 36 |
(1) 2M x 36 |
NONE |
NONE |
13MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
14MB |
(1) 2M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
14MB |
(1) 512K 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) 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 |
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 |
18MB |
(1) 512K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
18MB |
(1) 512K x 36 |
(1) 4M x 36 |
NONE |
NONE |
18MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
18MB |
(1) 4M x 36 |
(1) 512K x 36 |
NONE |
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) 2M x 36 |
(1) 2M x 36 |
NONE |
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 |
25MB |
(1) 256K 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 |
28MB |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
DRAM CONFIGURATION (CON’T) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
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 |
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 |
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 |
34MB |
(1) 8M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
34MB |
(1) 8M x 36 |
(1) 512K x 36 |
NONE |
NONE |
34MB |
(1) 512K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
34MB |
(1) 512K x 36 |
(1) 8M 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 |
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 |
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 |
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 |
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 |
48MB |
(1) 4M x 36 |
(1) 8M x 36 |
NONE |
NONE |
49MB |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
50MB |
(1) 512K 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) 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 |
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 |
64MB |
(1) 16M x 36 |
NONE |
NONE |
NONE |
65MB |
(1) 16M x 36 |
(1) 256K x 36 |
NONE |
NONE |
65MB |
(1) 256K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
66MB |
(1) 512K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
66MB |
(1) 16M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
66MB |
(1) 16M x 36 |
(1) 512K x 36 |
NONE |
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 |
DRAM CONFIGURATION (CON’T) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
68MB |
(1) 16M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
68MB |
(1) 16M x 36 |
(1) 1M x 36 |
NONE |
NONE |
70MB |
(1) 16M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
72MB |
(1) 2M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
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) 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 |
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 |
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 |
97MB |
(1) 256K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
98MB |
(1) 512K 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) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
128MB |
(1) 16M x 36 |
(1) 16M x 36 |
NONE |
NONE |
CACHE CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
TAG |
128KB |
(4) 32K x 8 |
NONE |
(1) 16K x 8 or (1) 32K x 8 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 16K x 8 or (1) 32K x 8 |
256KB |
(4) 64K x 8 |
NONE |
(1) 16K x 8 or (1) 32K 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 |
CACHE JUMPER CONFIGURATION | |||||
Size |
JP24 |
JP25 |
JP26 |
JP27 |
JP29 |
128KB |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2, 3 & 4 |
256KB |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3, 4 & 5 |
256KB |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2, 3 & 4 |
512KB |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3, 4 & 5 |
512KB |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2, 3 & 4 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION (5 VOLT ONLY) | |||||
Type |
JP11 |
JP12 |
JP13 |
JP14 |
JP15 |
AM486SX |
2 & 3 |
Open |
Open |
Open |
Open |
80486SX |
2 & 3 |
Open |
Open |
Open |
Open |
SL80486SX |
2 & 3 |
1 & 2 |
Open |
Open |
Open |
AM486DX |
2 & 3 |
Open |
Open |
Open |
Open |
CX486DX |
2 & 3 |
1 & 2 |
Open |
Open |
Open |
80486DX |
2 & 3 |
Open |
Open |
Open |
Open |
SL80486DX |
2 & 3 |
1 & 2 |
Open |
Open |
Open |
AM486DX2 |
2 & 3 |
Open |
Open |
Open |
Open |
CX486DX2 |
2 & 3 |
1 & 2 |
Open |
Open |
Open |
80486DX2 |
2 & 3 |
Open |
Open |
Open |
Open |
SL80486DX2 |
2 & 3 |
1 & 2 |
Open |
Open |
Open |
P24D |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
1 & 2 |
P24T |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
Open |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION (5 VOLT ONLY, CON’T) | |||||
Type |
JP16 |
JP17 |
JP18 |
JP19 |
JP20 |
AM486SX |
Open |
Open |
2 & 3 |
Open |
Open |
80486SX |
Open |
Open |
2 & 3 |
Open |
Open |
SL80486SX |
Open |
3 & 4 |
2 & 3 |
Open |
Open |
AM486DX |
Open |
Open |
1 & 2, 3 & 4 |
Open |
3 & 4 |
CX486DX |
2 & 3 |
2 & 3 |
1 & 2, 3 & 4 |
2 & 3 |
3 & 4 |
80486DX |
Open |
Open |
1 & 2, 3 & 4 |
Open |
3 & 4 |
SL80486DX |
Open |
3 & 4 |
1 & 2, 3 & 4 |
Open |
Open |
AM486DX2 |
Open |
Open |
1 & 2, 3 & 4 |
Open |
3 & 4 |
CX486DX2 |
2 & 3 |
2 & 3 |
1 & 2, 3 & 4 |
2 & 3 |
3 & 4 |
80486DX2 |
Open |
Open |
1 & 2, 3 & 4 |
Open |
3 & 4 |
SL80486DX2 |
Open |
3 & 4 |
1 & 2, 3 & 4 |
Open |
Open |
P24D |
1 & 2 |
1 & 2, 3 & 4 |
1 & 2, 3 & 4 |
Open |
3 & 4 |
P24T |
1 & 2 |
3 & 4 |
1 & 2, 3 & 4 |
1 & 2 |
2 & 3 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION (5 VOLT ONLY, CON’T) | ||||
Type |
JP21 |
JP22 |
JP23 |
JP40 |
AM486SX |
Open |
Open |
Open |
pins 1 & 3, 2 & 4 closed |
80486SX |
Open |
Open |
Open |
pins 1 & 3, 2 & 4 closed |
SL80486SX |
pins 4 & 5 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 3, 2 & 4 closed |
AM486DX |
Open |
Open |
Open |
pins 1 & 3, 2 & 4 closed |
CX486DX |
pins 2 & 3 closed |
Open |
pins 1 & 2 closed |
pins 1 & 3, 2 & 4 closed |
80486DX |
Open |
Open |
Open |
pins 1 & 3, 2 & 4 closed |
SL80486DX |
pins 4 & 5 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 3, 2 & 4 closed |
AM486DX2 |
Open |
Open |
Open |
pins 1 & 3, 2 & 4 closed |
CX486DX2 |
pins 2 & 3 closed |
Open |
pins 1 & 2 closed |
pins 1 & 3, 2 & 4 closed |
80486DX2 |
Open |
Open |
Open |
pins 1 & 3, 2 & 4 closed |
SL80486DX2 |
pins 4 & 5 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 3, 2 & 4 closed |
P24D |
pins 4 & 5 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 3, 2 & 4 closed |
P24T |
pins 1 & 2 closed |
Open |
pins 2 & 3 closed |
pins 1 & 3, 2 & 4 closed |
CPU TYPE CONFIGURATION (3.45 VOLT ONLY) | |||||
Type |
JP11 |
JP12 |
JP13 |
JP14 |
JP15 |
AM486DX2 |
2 & 3 |
Open |
Open |
2 & 3 |
Open |
CX486DX2 |
2 & 3 |
1 & 2 |
Open |
Open |
Open |
TI486DX2 |
2 & 3 |
1 & 2 |
Open |
Open |
Open |
AM486DX4 |
2 & 3 |
Open |
Open |
Open |
Open |
AM486DX4 (SV8B) |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
1 & 2 |
AM486DX4 (SV8T) |
2 & 3 |
1 & 2 |
Open |
Open |
Open |
CX486DX4 |
2 & 3 |
1 & 2 |
Open |
1 & 2 |
1 & 2 |
CX486DX4 (M7) |
2 & 3 |
1 & 2 |
Open |
Open |
Open |
80486dx4 (wb) |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
1 & 2 |
80486dx4 (wT) |
2 & 3 |
1 & 2 |
Open |
Open |
Open |
CX5X86 |
2 & 3 |
1 & 2 |
Open |
1 & 2 |
1 & 2 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION (3.45 VOLT ONLY, CON’T) | |||||
Type |
JP16 |
JP17 |
JP18 |
JP19 |
JP20 |
AM486DX2 |
Open |
Open |
1 & 2, 3 & 4 |
Open |
3 & 4 |
CX486DX2 |
2 & 3 |
2 & 3 |
1 & 2, 3 & 4 |
2 & 3 |
3 & 4 |
TI486DX2 |
2 & 3 |
2 & 3 |
1 & 2, 3 & 4 |
2 & 3 |
3 & 4 |
AM486DX4 |
Open |
Open |
1 & 2, 3 & 4 |
Open |
3 & 4 |
AM486DX4 (SV8B) |
1 & 2 |
1 & 2, 3 & 4 |
1 & 2, 3 & 4 |
Open |
3 & 4 |
AM486DX4 (SV8T) |
Open |
3 & 4 |
1 & 2, 3 & 4 |
Open |
3 & 4 |
CX486DX4 |
1 & 2 |
1 & 2, 3 & 4 |
1 & 2, 3 & 4 |
Open |
3 & 4 |
CX486DX4 (M7) |
2 & 3 |
2 & 3 |
1 & 2, 3 & 4 |
2 & 3 |
3 & 4 |
80486dx4 (wb) |
1 & 2 |
1 & 2, 3 & 4 |
1 & 2, 3 & 4 |
Open |
3 & 4 |
80486dx4 (wT) |
Open |
3 & 4 |
1 & 2, 3 & 4 |
Open |
3 & 4 |
CX5X86 |
1 & 2 |
1 & 2, 3 & 4 |
1 & 2, 3 & 4 |
Open |
3 & 4 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION (3.45 VOLT ONLY, CON’T) | ||||
Type |
JP21 |
JP22 |
JP23 |
JP40 |
AM486DX2 |
Open |
Open |
Open |
3 & 5, 4 & 6 |
CX486DX2 |
2 & 3 |
Open |
1 & 2 |
3 & 5, 4 & 6 |
TI486DX2 |
2 & 3 |
Open |
1 & 2 |
3 & 5, 4 & 6 |
AM486DX4 |
Open |
Open |
Open |
3 & 5, 4 & 6 |
AM486DX4 (SV8B) |
4 & 5 |
2 & 3 |
2 & 3 |
3 & 5, 4 & 6 |
AM486DX4 (SV8T) |
4 & 5 |
1 & 2 |
2 & 3 |
3 & 5, 4 & 6 |
CX486DX4 |
4 & 5 |
2 & 3 |
2 & 3 |
3 & 5, 4 & 6 |
CX486DX4 (M7) |
2 & 3 |
Open |
1 & 2 |
3 & 5, 4 & 6 |
80486dx4 (wb) |
4 & 5 |
2 & 3 |
2 & 3 |
3 & 5, 4 & 6 |
80486dx4 (wT) |
4 & 5 |
1 & 2 |
2 & 3 |
3 & 5, 4 & 6 |
CX5X86 |
4 & 5 |
2 & 3 |
2 & 3 |
3 & 5, 4 & 6 |
Note: Pins designated should be in the closed position. |
CPU SPEED CONFIGURATION | |||
Speed |
JP30 |
JP31 |
JP32 |
25MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
33MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
40MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
50iMHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
66iMHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
75iMHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
100iMHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
DMA CONFIGURATION | ||
DMA |
JP2 |
JP3 |
DMA 1 |
pins 2 & 3 closed |
pins 2 & 3 closed |
DMA 3 |
pins 1 & 2 closed |
pins 1 & 2 closed |