ACER, INC.
AP43
Processor |
AM486SX/80486SX/SL80486SX/CX486DX/AM846DX/80486DX/ SL80486DX/CX486DX2/CX486DX2(M7P/O)/TI486DX2/AM486DX2/ (SL)AM486DX2/80486DX2/SL80486DX2/CX486DX4(M7P/O)/ CX486DX4(DX4P/O)/AM486DX4(V8T)/AM486DX4S(SV8T)/ AM486DX4S(SV8B)/80486DX4(WT)/80486DX4(WB)/P24D/P24T/ CX5X86 |
Processor Speed |
25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz |
Chip Set |
SIS |
Video Chip Set |
None |
Maximum Onboard Memory |
128MB |
Maximum Video Memory |
None |
Cache |
128/256/512KB |
BIOS |
AMI |
Dimensions |
250mm x 220mm |
I/O Options |
32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Serial port 2 |
CN1 |
Speaker |
J7 pins 7 - 10 |
Serial port 1 |
CN2 |
Turbo/green PC LED |
J7 pins 12 & 13 |
Chassis fan power |
CN3 |
Turbo switch |
J7 pins 15 - 17 |
Chassis fan power |
CN4 |
Reset switch |
J7 pins 19 & 20 |
Floppy drive interface |
CN5 |
External battery |
J8 |
Parallel port |
CN6 |
Green PC connector |
JP30 |
IDE interface 2 |
CN7 |
IDE interface LED |
JP31 |
IDE interface 1 |
CN8 |
32-bit PCI slots |
PC1 - PC3 |
Power LED & keylock |
J7 pins 1 - 5 | ||
Note: If connector for J7 is 12-pin, connect red wire to pin 11. |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
|
Factory configured - do not alter |
JP11 |
Unidentified |
|
Factory configured - do not alter |
JP12 |
Unidentified |
On board I/O enabled |
JP21 |
Pins 1 & 2 closed | |
On board I/O disabled |
JP21 |
Pins 2 & 3 closed | |
Flash BIOS voltage select 12v |
JP24 |
Pins 2 & 3 closed | |
Flash BIOS voltage select 5v |
JP24 |
Pins 1 & 2 closed | |
|
CMOS memory normal operation |
JP28 |
Pins 1 & 2 closed |
CMOS memory clear |
JP28 |
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 |
DRAM CONFIGURATION (CONT) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
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 |
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) 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 |
10MB |
(1) 512K x 36 |
(1) 2M x 36 |
None |
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) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
18MB |
(1) 4M x 36 |
(1) 512K 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 |
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 |
DRAM CONFIGURATION (CONT) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
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 |
26MB |
(1) 512K 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 |
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 |
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) 256K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
DRAM CONFIGURATION (CONT) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
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 |
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) 16M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
None |
68MB |
(1) 16M x 36 |
(1) 1M x 36 |
None |
None |
68MB |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
70MB |
(1) 16M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
72MB |
(1) 16M x 36 |
(1) 2M x 36 |
None |
None |
72MB |
(1) 2M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
76MB |
(1) 16M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
80MB |
(1) 16M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
80MB |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
88MB |
(1) 16M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
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 |
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 |
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 |
Note: Board also accepts x 32 SIMMs. The location of the banks is unidentified. |
CACHE CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
TAG |
128KB |
(4) 32K x 8 |
None |
(1) 16K/32K x 8 |
256KB (A) |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 16K/32K x 8 |
256KB (B) |
(4) 64K x 8 |
None |
(1) 16K/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 |
CACHE JUMPER CONFIGURATION | |||||
Size |
JP1 |
JP2 |
JP3 |
JP4 |
JP5 |
128KB |
1 & 2, 3 & 4 |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
256KB (A) |
2 & 3, 4 & 5 |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 |
256KB (B) |
1 & 2, 3 & 4 |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
512KB (A) |
2 & 3, 4 & 5 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
512KB (B) |
1 & 2, 3 & 4 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
Note: Pins designated should be in the closed position. |
CPU SPEED SELECTION | |||
Speed |
JP25 |
JP26 |
JP27 |
25MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
33MHz |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
40MHz |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
50iMHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
66iMHz |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
75iMHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
100iMHz |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
CPU TYPE SELECTION | ||||
Type |
JP6 |
JP7 |
JP8 |
JP9 |
AM486SX |
Open |
Pins 2 & 3 closed |
Open |
Open |
80486SX |
Open |
Pins 2 & 3 closed |
Open |
Open |
SL80486SX |
Open |
Pins 2 & 3 closed |
Open |
Open |
CX486DX |
Open |
Pins 2 & 3 closed |
Open |
Open |
AM486DX |
Open |
Pins 2 & 3 closed |
Open |
Open |
80486DX |
Open |
Pins 2 & 3 closed |
Open |
Open |
SL80486DX |
Open |
Pins 2 & 3 closed |
Open |
Open |
CX486DX2 |
Open |
Pins 2 & 3 closed |
Open |
Open |
CX486DX2 (M7 P/O) |
Open |
Pins 2 & 3 closed |
Open |
Open |
TI486DX2 |
Open |
Pins 2 & 3 closed |
Open |
Open |
AM486DX2 |
Open |
Pins 2 & 3 closed |
Open |
Open |
(SL) AM486DX2 |
Open |
Pins 2 & 3 closed |
Open |
Pins 2 & 3 closed |
80486DX2 |
Open |
Pins 2 & 3 closed |
Open |
Open |
SL80486DX2 |
Open |
Pins 2 & 3 closed |
Open |
Open |
CX486DX4 (M7 P/O) |
Open |
Pins 2 & 3 closed |
Open |
Open |
CX486DX4 (iDX4P/O) |
Open |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
AM486DX4 (V8T) |
Open |
Pins 2 & 3 closed |
Open |
Open |
AM486DX4S (SV8T) |
Open |
Pins 2 & 3 closed |
Open |
Open |
AM486DX4S (SV8B) |
Open |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
80486DX4 (WT) |
Open |
Pins 2 & 3 closed |
Open |
Open |
80486DX4 (WB) |
Open |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
P24D |
Open |
Pins 1 & 2 closed |
1 & 2 |
1 & 2 |
P24T |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Open |
Open |
CX5X86 |
Open |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
CPU TYPE SELECTION (CONT) | |||||
Type |
JP10 |
JP13 |
JP14 |
JP15 |
JP16 |
AM486SX |
Open |
Open |
Open |
2 & 3 |
Open |
80486SX |
Open |
Open |
Open |
2 & 3 |
Open |
SL80486SX |
1 & 2 |
Open |
2 & 3 |
2 & 3 |
Open |
CX486DX |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2, 3 & 4 |
3 & 4 |
AM486DX |
Open |
Open |
Open |
1 & 2, 3 & 4 |
3 & 4 |
80486DX |
Open |
Open |
Open |
1 & 2, 3 & 4 |
3 & 4 |
SL80486DX |
1 & 2 |
Open |
2 & 3 |
1 & 2, 3 & 4 |
3 & 4 |
CX486DX2 |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2, 3 & 4 |
3 & 4 |
CX486DX2 (M7 P/O) |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2, 3 & 4 |
3 & 4 |
TI486DX2 |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2, 3 & 4 |
3 & 4 |
AM486DX2 |
Open |
Open |
Open |
1 & 2, 3 & 4 |
3 & 4 |
(SL) AM486DX2 |
Open |
Open |
Open |
1 & 2, 3 & 4 |
3 & 4 |
80486DX2 |
Open |
Open |
Open |
1 & 2, 3 & 4 |
3 & 4 |
SL80486DX2 |
1 & 2 |
Open |
2 & 3 |
1 & 2, 3 & 4 |
3 & 4 |
CX486DX4 (M7 P/O) |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2, 3 & 4 |
3 & 4 |
CX486DX4 (iDX4P/O) |
1 & 2 |
Open |
2 & 3 |
1 & 2, 3 & 4 |
3 & 4 |
AM486DX4 (V8T) |
Open |
Open |
Open |
1 & 2, 3 & 4 |
3 & 4 |
AM486DX4S (SV8T) |
1 & 2 |
Open |
2 & 3 |
1 & 2, 3 & 4 |
3 & 4 |
AM486DX4S (SV8B) |
1 & 2 |
Open |
2 & 3 |
1 & 2, 3 & 4 |
3 & 4 |
80486DX4 (WT) |
1 & 2 |
Open |
2 & 3 |
1 & 2, 3 & 4 |
3 & 4 |
80486DX4 (WB) |
1 & 2 |
Open |
2 & 3 |
1 & 2, 3 & 4 |
3 & 4 |
P24D |
1 & 2 |
Open |
2 & 3 |
1 & 2, 3 & 4 |
3 & 4 |
P24T |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2, 3 & 4 |
2 & 3 |
CX5X86 |
1 & 2 |
Open |
2 & 3 |
1 & 2, 3 & 4 |
3 & 4 |
Note: Pins designated should be in the closed position. |
CPU TYPE SELECTION (CONT) | |||||
Type |
JP17 |
JP18 |
JP19 |
JP20 |
JP29 |
AM486SX |
Open |
Open |
Open |
Open |
2 & 3 |
80486SX |
Open |
Open |
Open |
Open |
2 & 3 |
SL80486SX |
3 & 4 |
Open |
1 & 2 |
4 & 5 |
2 & 3 |
CX486DX |
2 & 3 |
2 & 3 |
Open |
2 & 3 |
2 & 3 |
AM486DX |
Open |
Open |
Open |
Open |
2 & 3 |
80486DX |
Open |
Open |
Open |
Open |
2 & 3 |
SL80486DX |
3 & 4 |
Open |
1 & 2 |
4 & 5 |
2 & 3 |
CX486DX2 |
2 & 3 |
2 & 3 |
Open |
2 & 3 |
2 & 3 |
CX486DX2 (M7 P/O) |
2 & 3 |
2 & 3 |
Open |
2 & 3 |
1 & 2 |
TI486DX2 |
2 & 3 |
2 & 3 |
Open |
2 & 3 |
1 & 2 |
AM486DX2 |
Open |
Open |
Open |
Open |
2 & 3 |
(SL) AM486DX2 |
Open |
Open |
Open |
Open |
1 & 2 |
80486DX2 |
Open |
Open |
Open |
Open |
2 & 3 |
SL80486DX2 |
3 & 4 |
Open |
1 & 2 |
4 & 5 |
2 & 3 |
CX486DX4 (M7 P/O) |
2 & 3 |
2 & 3 |
Open |
2 & 3 |
1 & 2 |
CX486DX4 (iDX4P/O) |
1 & 2, 3 & 4 |
1 & 2 |
2 & 3 |
4 & 5 |
1 & 2 |
AM486DX4 (V8T) |
Open |
Open |
Open |
Open |
1 & 2 |
AM486DX4S (SV8T) |
3 & 4 |
Open |
1 & 2 |
4 & 5 |
1 & 2 |
AM486DX4S (SV8B) |
1 & 2, 3 & 4 |
1 & 2 |
2 & 3 |
4 & 5 |
1 & 2 |
80486DX4 (WT) |
3 & 4 |
Open |
1 & 2 |
4 & 5 |
1 & 2 |
80486DX4 (WB) |
1 & 2, 3 & 4 |
1 & 2 |
2 & 3 |
4 & 5 |
1 & 2 |
P24D |
1 & 2, 3 & 4 |
1 & 2 |
2 & 3 |
4 & 5 |
2 & 3 |
P24T |
3 & 4 |
1 & 2 |
Open |
1 & 2 |
2 & 3 |
CX5X86 |
1 & 2, 3 & 4 |
1 & 2 |
2 & 3 |
4 & 5 |
1 & 2 |
Note: Pins designated should be in the closed position. |
DMA CHANNEL SELECTION | ||
Channel |
JP22 |
JP23 |
1 |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
3 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |