CHAINTECH COMPUTER COMPANY, LTD.
4SPM.3/4SPM5.1
Processor 80486SX/ODP486SX/CX486DX/AM486DX/80486DX/UMCU5S/CX486DX2/
CX486DX2V/AM486DX2/(SL)AM486DX2/80486DX2/P24D/AM486DX4/ 80486DX4/Pentium
Overdrive
Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/83(internal)/
Speed 100(internal)MHz
Chip Set UMC
Max. 128MB
Onboard
DRAM
Cache 128/256/512/1024KB
BIOS Award
Dimensions 250mm x 220mm
I/O 32-bit PCI slots (3), floppy drive interface, game port, green PC connector,
Options IDE interfaces (2), parallel port, serial ports (2)
NPU None
Options
[Image]
CONNECTIONS
Purpose Location Purpose Location
Floppy drive interface CN1 IDE interface LED 2 JP15
Serial port 1 CN2 Green PC LED JP27
Serial port 2 CN3 Green PC connector JP29
Parallel port CN4 Turbo switch JP35
Game port CN5 Turbo LED JP36
IDE interface 2 CN6 Speaker JP37
IDE interface 1 CN7 Reset switch JP44
External battery JP12 Power LED & keylock JP45
IDE interface LED 1 JP14 32-bit PCI slots PC1 - PC3
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 CPU clock JP21 pins 1 & 2
speed closed
PCI bus clock select 1/2 CPU JP21 pins 2 & 3
clock speed closed
DRAM CONFIGURATION
Size Bank 0 Bank 1 Bank 2 Bank 3
1MB (1) 256K x NONE NONE NONE
36
2MB (1) 256K x (1) 256K x NONE NONE
36 36
2MB (1) 512K x NONE NONE NONE
36
3MB (1) 512K x (1) 256K x NONE NONE
36 36
3MB (1) 256K x (1) 256K x (1) 256K x NONE
36 36 36
4MB (1) 512K x (1) 256K x (1) 256K x NONE
36 36 36
4MB (1) 256K x (1) 256K x (1) 256K x (1) 256K x 36
36 36 36
4MB (1) 1M x 36 NONE NONE NONE
4MB (1) 512K x (1) 512K x NONE NONE
36 36
5MB (1) 1M x 36 (1) 256K x NONE NONE
36
5MB (1) 512K x (1) 256K x (1) 256K x (1) 256K x 36
36 36 36
6MB (1) 1M x 36 (1) 256K x (1) 256K x NONE
36 36
6MB (1) 512K x (1) 1M x 36 NONE NONE
36
6MB (1) 512K x (1) 512K x (1) 512K x NONE
36 36 36
7MB (1) 1M x 36 (1) 256K x (1) 256K x (1) 256K x 36
36 36
8MB (1) 1M x 36 (1) 1M x 36 NONE NONE
8MB (1) 2M x 36 NONE NONE NONE
8MB (1) 512K x (1) 512K x (1) 512K x (1) 512K x 36
36 36 36
9MB (1) 2M x 36 (1) 256K x NONE NONE
36
10MB (1) 2M x 36 (1) 256K x (1) 256K x NONE
36 36
10MB (1) 512K x (1) 1M x 36 (1) 1M x 36 NONE
36
10MB (1) 512K x (1) 2M x 36 NONE NONE
36
11MB (1) 2M x 36 (1) 256K x (1) 256K x (1) 256K x 36
36 36
12MB (1) 1M x 36 (1) 2M x 36 NONE NONE
12MB (1) 2M x 36 (1) 1M x 36 NONE NONE
DRAM CONFIGURATION (CON’T)
Size Bank 0 Bank 1 Bank 2 Bank 3
12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 NONE
14MB (1) 512K x (1) 1M x 36 (1) 1M x 36 (1) 1M x 36
36
16MB (1) 2M 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
16MB (1) 4M x 36 NONE NONE NONE
17MB (1) 4M x 36 (1) 256K x NONE NONE
36
18MB (1) 4M x 36 (1) 256K x (1) 256K x NONE
36 36
18MB (1) 512K x (1) 2M x 36 (1) 2M x 36 NONE
36
18MB (1) 512K x (1) 4M x 36 NONE NONE
36
19MB (1) 4M x 36 (1) 256K x (1) 256K x (1) 256K x 36
36 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
20MB (1) 2M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36
20MB (1) 4M x 36 (1) 1M x 36 NONE NONE
24MB (1) 2M x 36 (1) 4M x 36 NONE 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) 2M x 36 (1) 2M x 36 NONE
26MB (1) 512K x (1) 2M x 36 (1) 2M x 36 (1) 2M x 36
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) 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
32MB (1) 4M x 36 (1) 4M x 36 NONE NONE
32MB (1) 8M x 36 NONE NONE NONE
33MB (1) 8M x 36 (1) 256K x NONE NONE
36
34MB (1) 8M x 36 (1) 256K x (1) 256K x NONE
36 36
34MB (1) 512K x (1) 4M x 36 (1) 4M x 36 NONE
36
34MB (1) 512K x (1) 8M x 36 NONE NONE
36
35MB (1) 8M x 36 (1) 256K x (1) 256K x (1) 256K x 36
36 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) 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) 4M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M 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
44MB (1) 8M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36
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
48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE
DRAM CONFIGURATION (CON’T)
Size Bank 0 Bank 1 Bank 2 Bank 3
50MB (1) 512K x (1) 4M x 36 (1) 4M x 36 (1) 4M x 36
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) 8M x 36 (1) 4M x 36 (1) 4M x 36 NONE
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
65MB (1) 16M x 36 (1) 256K x NONE NONE
36
66MB (1) 16M x 36 (1) 256K x (1) 256K x NONE
36 36
66MB (1) 512K x (1) 8M x 36 (1) 8M x 36 NONE
36
66MB (1) 512K x (1) 16M x 36 NONE NONE
36
67MB (1) 16M x 36 (1) 256K x (1) 256K x (1) 256K x 36
36 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
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) 8M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36
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) 16M x 36 NONE 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
98MB (1) 512K x (1) 8M x 36 (1) 8M x 36 (1) 8M x 36
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) 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
Note: Board also accepts x 32 SIMMs.
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
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
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
(A)
256KB 1 & 2 2 & 3 1 & 2 1 & 2 2 & 3 1 & 2
(B)
512KB 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3
(A)
512KB 1 & 2 1 & 2 2 & 3 1 & 2 2 & 3 2 & 3
(B)
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 JP31 JP32 JP38 JP39
80486SX pins 1 & 2 Closed N/A pins 1 & 2
closed closed
ODP486SX pins 1 & 2 Closed N/A pins 1 & 2
closed closed
CX486DX pins 1 & 2 Closed N/A pins 1 & 2
closed closed
AM486DX pins 1 & 2 Closed N/A pins 1 & 2
closed closed
80486DX pins 1 & 2 Closed N/A pins 1 & 2
closed closed
UMCU5S pins 2 & 3 Closed N/A pins 2 & 3
closed closed
CX486DX2 pins 1 & 2 Closed N/A pins 1 & 2
closed closed
CX486DX2V pins 1 & 2 Open pins 2 & 3 pins 1 & 2
closed closed closed
AM486DX2 pins 1 & 2 Closed N/A pins 1 & 2
closed closed
(SL)AM486DX2 pins 1 & 2 Open pins 1 & 2 pins 1 & 2
closed closed closed
80486DX2 pins 1 & 2 Closed N/A pins 1 & 2
closed closed
P24D pins 1 & 2 Closed N/A pins 1 & 2
closed closed
AM486DX4 pins 1 & 2 Open pins 1 & 2 pins 1 & 2
closed closed closed
80486DX4 pins 1 & 2 Open pins 1 & 2 pins 1 & 2
closed closed closed
P24T pins 1 & 2 Closed N/A pins 1 & 2
closed closed
CPU TYPE CONFIGURATION (CON’T)
Type JP40 JP41 JP42 JP43
80486SX pins 1 & 2 N/A pins 1 & 2 pins 1 & 2
closed closed closed
ODP486SX pins 1 & 2 N/A pins 1 & 2 pins 2 & 3
closed closed closed
CX486DX pins 1 & 2 N/A pins 1 & 2 pins 1 & 2
closed closed closed
AM486DX pins 1 & 2 N/A pins 1 & 2 pins 1 & 2
closed closed closed
80486DX pins 1 & 2 N/A pins 1 & 2 pins 1 & 2
closed closed closed
UMCU5S pins 2 & 3 N/A pins 1 & 2 pins 1 & 2
closed closed closed
CX486DX2 pins 1 & 2 N/A pins 1 & 2 pins 1 & 2
closed closed closed
CX486DX2V pins 1 & 2 N/A pins 1 & 2 pins 1 & 2
closed closed closed
AM486DX2 pins 1 & 2 N/A pins 1 & 2 pins 1 & 2
closed closed closed
(SL)AM486DX2 pins 1 & 2 Closed pins 2 & 3 pins 1 & 2
closed closed closed
80486DX2 pins 1 & 2 N/A pins 1 & 2 pins 1 & 2
closed closed closed
P24D pins 1 & 2 N/A pins 1 & 2 pins 1 & 2
closed closed closed
AM486DX4 pins 1 & 2 Open pins 1 & 2 pins 1 & 2
closed closed closed
80486DX4 pins 1 & 2 N/A pins 1 & 2 pins 1 & 2
closed closed closed
P24T pins 1 & 2 N/A pins 1 & 2 pins 2 & 3
closed closed closed
CPU TYPE CONFIGURATION (CON’T)
Type J2 J3 J4 J5 J6 J7
80486SX Closed Open Open Open Closed Open
ODP486SX Open Closed Open Open Closed Open
CX486DX Open Closed Open Closed Open Open
AM486DX Open Closed Open Open Closed Open
80486DX Open Closed Open Open Closed Open
UMCU5S Closed Open Open Open Closed Open
CX486DX2 Open Closed Open Closed Open Open
CX486DX2V Open Closed Open Closed Open Open
AM486DX2 Open Closed Open Open Closed Open
(SL)AM486DX2 Open Closed Open Open Closed Open
80486DX2 Open Closed Open Open Closed Open
P24D Open Open Closed Open Open Closed
AM486DX4 Open Closed Open Open Closed Open
80486DX4 Open Closed Open Open Closed Open
P24T Open Open Closed Open Open Closed
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
83iMHz pins 1 & 2 closed pins 1 & 2 closed
100iMHz pins 1 & 2 closed pins 1 & 2 closed
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