...because we can't all be on the bleeding edge...
CHAINTECH COMPUTER COMPANY, LTD
486SPM
|
Processor |
80486SX/CX486DX/AM486DX/U5S/80486DX/ODP486SX/CX486DX2/ CX486DX2V/AM486DX2/AM486DX2/80486DX2/CX486DX4/AM486DX4-NV8T/ AM486DX4-SV8B/80486DX4/80486DX4(WB)/Pentium Overdrive/ SL Pentium Overdrive/CXM1SC |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/100(internal)/ 120(internal)MHz |
|
Chip Set |
Unidentified |
|
Max. Onboard DRAM |
128MB |
|
Cache |
128/256/512/1024KB |
|
BIOS |
Award |
|
Dimensions |
220mm x 250mm |
|
I/O Options |
Green PC connector, floppy drive interface, IDE interfaces (2), parallel port, serial ports (2), 32-bit PCI slots (3) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 1 |
CN2 |
Green PC LED |
JP27 |
|
Serial port 2 |
CN3 |
Green PC connector |
JP29 |
|
Parallel port |
CN4 |
Turbo switch |
JP35 |
|
Floppy drive interface |
CN5 |
Turbo LED |
JP36 |
|
IDE interface 1 |
CN6 |
Speaker |
JP37 |
|
IDE interface 2 |
CN7 |
Reset switch |
JP44 |
|
External battery |
JP12 |
Power LED & keylock |
JP45 |
|
IDE interface LED 1 |
JP14 |
32-bit PCI slots |
PCI1 - PCI3 |
|
IDE interface LED 2 |
JP15 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
» |
CMOS memory normal operation |
JP13 |
pins 1 & 2 closed |
|
CMOS memory clear |
JP13 |
pins 2 & 3 closed | |
|
» |
PCI-Bus clock select normal speed |
JP21 |
pins 1 & 2 closed |
|
PCI-Bus clock select ½ speed |
JP21 |
pins 2 & 3 closed | |
|
» |
Factory configured - do not alter |
JP31 |
pins 1 & 2 closed |
|
» |
Turbo switch select high speed |
JP35 |
Closed |
|
Turbo switch select low speed |
JP35 |
Open | |
|
» |
Factory configured - do not alter |
JP39 |
pins 1 & 2 closed |
|
» |
Factory configured - do not alter |
JP40 |
pins 1 & 2 closed |
|
» |
Factory configured - do not alter |
JP46 |
N/A |
|
» |
Factory configured - do not alter |
JP47 |
N/A |
|
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 |
|
4MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 512K x 36 |
NONE |
|
4MB |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
NONE |
|
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
|
5MB |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
6MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
|
6MB |
(1) 512K x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
8MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 512K x 36 |
(1) 1M x 36 |
|
8MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 1M x 36 |
NONE |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
8MB |
(1) 2M x 36 |
NONE |
NONE |
NONE |
|
10MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
12MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
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) 2M x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
DRAM CONFIGURATION (CON’T) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
|
17MB |
(1) 256K x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
18MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 4M x 36 |
NONE |
|
18MB |
(1) 512K x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
20MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 4M x 36 |
NONE |
|
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
24MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
|
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
|
24MB |
(1) 2M 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 |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
32MB |
(1) 8M x 36 |
NONE |
NONE |
NONE |
|
36MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 4M x 36 |
(1) 4M 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 |
|
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
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 |
|
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 |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
NONE |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
NONE |
|
65MB |
(1) 256K x 36 |
(1) 16M x 36 |
NONE |
NONE |
|
68MB |
(1) 1M x 36 |
(1) 16M x 36 |
NONE |
NONE |
|
68MB |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
|
72MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 16M x 36 |
NONE |
|
72MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
80MB |
(1) 4M x 36 |
(1) 16M x 36 |
NONE |
NONE |
|
80MB |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
|
96MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 16M x 36 |
NONE |
|
96MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
96MB |
(1) 8M 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) 32K x 8 |
|
256KB |
(4) 64K x 8 |
NONE |
(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 |
|
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 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
|
256KB |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2 |
|
512KB |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
512KB |
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 TYPE CONFIGURATION | |||||
|
Type |
J2 |
J3 |
J4 |
J5 |
J6 |
|
80486SX |
Closed |
Open |
Open |
Open |
Closed |
|
CX486DX |
Open |
Closed |
Open |
Closed |
Open |
|
AM486DX |
Open |
Closed |
Open |
Open |
Closed |
|
U5S |
Closed |
Open |
Open |
Open |
Closed |
|
80486DX |
Open |
Closed |
Open |
Open |
Closed |
|
ODP486SX |
Open |
Closed |
Open |
Open |
Closed |
|
CX486DX2V |
Open |
Closed |
Open |
Closed |
Open |
|
CX486DX2 |
Open |
Closed |
Open |
Closed |
Open |
|
AM486DX2 |
Open |
Closed |
Open |
Open |
Closed |
|
AM486DX2-80 |
Open |
Closed |
Open |
Open |
Closed |
|
80486DX2 |
Open |
Closed |
Open |
Open |
Closed |
|
CX486DX4 |
Open |
Closed |
Open |
Closed |
Open |
|
AM486DX4-NV8T |
Open |
Closed |
Open |
Open |
Closed |
|
AM486DX4-SV8B |
Open |
Open |
Closed |
Open |
Open |
|
80486DX4 |
Open |
Closed |
Open |
Open |
Closed |
|
80486DX4 (WB) |
Open |
Open |
Closed |
Open |
Open |
|
Pentium Overdrive |
Open |
Open |
Closed |
Open |
Open |
|
SL Pentium Overdrive |
Open |
Open |
Closed |
Open |
Open |
|
CXM1SC |
Open |
Open |
Closed |
Open |
Open |
|
CPU TYPE CONFIGURATION (CON’T) | ||||
|
Type |
J7 |
JP41 |
JP42 |
JP43 |
|
80486SX |
Open |
Open |
1 & 2 |
1 & 2 |
|
CX486DX |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
|
AM486DX |
Open |
Open |
1 & 2 |
1 & 2 |
|
U5S |
Open |
Open |
1 & 2 |
1 & 2 |
|
80486DX |
Open |
Open |
1 & 2 |
1 & 2 |
|
ODP486SX |
Open |
Open |
1 & 2 |
2 & 3 |
|
CX486DX2V |
Open |
1 &2 |
1 & 2 |
1 & 2 |
|
CX486DX2 |
Open |
Open |
1 & 2 |
1 & 2 |
|
AM486DX2 |
Open |
Open |
1 & 2 |
1 & 2 |
|
AM486DX2-80 |
Open |
Open |
2 & 3 |
1 & 2 |
|
80486DX2 |
Open |
Open |
1 & 2 |
1 & 2 |
|
CX486DX4 |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
|
AM486DX4-NV8T |
Open |
Open |
1 & 2 |
1 & 2 |
|
AM486DX4-SV8B |
Closed |
Open |
1 & 2 |
1 & 2 |
|
80486DX4 |
Open |
Open |
1 & 2 |
1 & 2 |
|
80486DX4 (WB) |
Closed |
Open |
1 & 2 |
1 & 2 |
|
Pentium Overdrive |
Closed |
Open |
1 & 2 |
1 & 2 |
|
SL Pentium Overdrive |
Closed |
Open |
1 & 2 |
2 & 3 |
|
CXM1SC |
Closed |
Open |
1 & 2 |
1 & 2 |
|
Note: Pins designated should be in the closed position. | ||||
|
CPU SPEED CONFIGURATION | ||
|
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 |
|
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 |
|
100iMHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
120iMHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
CPU VOLTAGE CONFIGURATION | ||
|
Voltage |
JP32 |
JP38 |
|
3.3v |
Open |
pins 1 & 2 closed |
|
4v |
Open |
pins 2 & 3 closed |
|
5v |
Closed |
Open |
|
DMA CONFIGURATION | ||
|
DMA |
JP1 |
JP2 |
|
DMA 1 |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
DMA 3 |
pins 2 & 3 closed |
pins 2 & 3 closed |