CHICONY, INC.
CH-471B
Processor |
CX486S/80486SX/SL80486SX/SL80486SX2/CX486DX/AM486DX/SL80486DX/80486DX/CX486DX2/AM486DX2/SL80486DX2/80486DX2/80486DX4/P24D/ Pentium Overdrive |
Processor Speed |
25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz |
Chip Set |
SIS |
Max. Onboard DRAM |
128MB |
Cache |
32/64/128/256/512/1024KB |
BIOS |
Award |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit VESA local bus slots (2), floppy drive interface, game port, green PC connector, IDE interfaces (2), parallel port, serial ports (2) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Green PC connector |
J1 |
Reset switch |
J13 |
Floppy drive interface |
J4 |
Turbo switch |
J14 |
Serial port 2 |
J5 |
Turbo LED |
J15 |
IDE interface (VESA) |
J6 |
Speaker |
J16 |
Serial port 1 |
J7 |
Green PC connector |
J17 |
Game interface |
J8 |
Power LED & keylock |
J18 |
Parallel port |
J9 |
Green PC connector |
J19 |
IDE interface (ISA) |
J10 |
Voltage connector |
P4 |
External battery |
J11 |
32-bit VESA local bus slots |
SL1 & SL2 |
IDE interface LED |
J12 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
CMOS memory normal operation |
JP1 |
pins 1 & 2 closed |
CMOS memory clear |
JP1 |
pins 2 & 3 closed | |
» |
Floppy drive interface enabled |
JP6 |
pins 1 & 2 closed |
Floppy drive interface disabled |
JP6 |
pins 2 & 3 closed | |
» |
IDE interface enabled (ISA) |
JP7 |
pins 1 & 2 closed |
IDE interface disabled (ISA) |
JP7 |
pins 2 & 3 closed | |
» |
Game port enabled |
JP10 |
pins 1 & 2 closed |
Game port disabled |
JP10 |
pins 2 & 3 closed | |
» |
Floppy drive address range select 3F0 to 3F7 |
JP11 |
pins 2 & 3 closed |
Floppy drive address range select 370 to 377 |
JP11 |
pins 1 & 2 closed | |
» |
ISA IDE address range select 170 |
JP12 |
pins 1 & 2 closed |
ISA IDE address range select 1F0 |
JP12 |
pins 2 & 3 closed | |
» |
ISA IDE IRQ select IRQ15 |
JP32 |
pins 1 & 2 closed |
ISA IDE IRQ select IRQ14 |
JP32 |
pins 2 & 3 closed | |
» |
Parallel port IRQ select IRQ7 |
JP30 |
pins 2 & 3 closed |
Parallel port IRQ select IRQ5 |
JP30 |
pins 1 & 2 closed | |
» |
IDE interface enabled (VESA) |
JP38 |
pins 1 & 2 closed |
IDE interface disabled (VESA) |
JP38 |
pins 2 & 3 closed | |
» |
Factory configured - do not alter |
JP44 |
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 |
DRAM CONFIGURATION (CON’T) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
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 |
18MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 4M 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) 256K x 36 |
(1) 4M x 36 |
NONE |
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) 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 |
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) 4M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
NONE |
64MB |
(1) 16M x 36 |
NONE |
NONE |
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) 8M x 36 |
(1) 8M x 36 |
72MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 16M x 36 |
NONE |
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) 8M x 36 |
(1) 8M x 36 |
96MB |
(1) 8M 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 |
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 |
32KB |
(4) 8K x 8 |
NONE |
(1) 2K x 8 |
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 4K x 8 |
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 16K 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 |
JP21 |
JP22 |
JP23 |
JP24 |
JP25 |
JP26 |
JP27 |
JP28 |
32KB |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
64KB |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
128KB |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
256KB |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
512KB |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1MB |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION | ||||
Type |
JP39 |
JP42 |
JP45 |
JP46 |
CX486S |
7 & 8, 9 & 10, 11 & 12 |
Open |
Open |
Open |
80486SX |
Open |
Open |
2 & 3 |
2 & 3 |
SL80486SX |
7 & 8, 9 & 10, 11 & 12 |
Open |
1 & 2 |
2 & 3 |
SL80486SX2 |
7 & 8, 9 & 10, 11 & 12 |
Open |
1 & 2 |
2 & 3 |
CX486DX |
7 & 8, 9 & 10, 11 & 12 |
Open |
Open |
Open |
AM486DX |
Open |
Open |
2 & 3 |
2 & 3 |
SL80486DX |
7 & 8, 9 & 10, 11 & 12 |
Open |
1 & 2 |
2 & 3 |
80486DX |
Open |
Open |
2 & 3 |
2 & 3 |
CX486DX2 |
7 & 8, 9 & 10, 11 & 12 |
Open |
Open |
Open |
AM486DX2 |
Open |
Open |
2 & 3 |
2 & 3 |
SL80486DX2 |
7 & 8, 9 & 10, 11 & 12 |
Open |
1 & 2 |
2 & 3 |
80486DX2 |
Open |
Open |
2 & 3 |
2 & 3 |
80486DX4 |
7 & 8, 9 & 10, 11 & 12 |
Open |
1 & 2 |
2 & 3 |
P24D |
7 & 8, 9 & 10, 11 & 12 |
Open |
Open |
Open |
P24T |
7 & 8, 9 & 10, 11 & 12 |
Open |
Open |
Open |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION (CON’T) | |||||
Type |
JP47 |
JP48 |
JP49 |
JP53 |
JP54 |
CX486S |
Open |
Open |
Open |
Closed |
2 & 3 |
80486SX |
2 & 3 |
2 & 3 |
2 & 3 |
Open |
2 & 3 |
SL80486SX |
2 & 3 |
2 & 3 |
2 & 3 |
Closed |
2 & 3 |
SL80486SX2 |
2 & 3 |
2 & 3 |
2 & 3 |
Closed |
2 & 3 |
CX486DX |
Open |
Open |
Open |
Closed |
2 & 3 |
AM486DX |
2 & 3 |
2 & 3 |
2 & 3 |
Open |
2 & 3 |
CPU TYPE CONFIGURATION (CON’T) | |||||
Type |
JP47 |
JP48 |
JP49 |
JP53 |
JP54 |
SL80486DX |
2 & 3 |
2 & 3 |
2 & 3 |
Closed |
2 & 3 |
80486DX |
2 & 3 |
2 & 3 |
2 & 3 |
Open |
2 & 3 |
CX486DX2 |
Open |
Open |
Open |
Closed |
2 & 3 |
AM486DX2 |
2 & 3 |
2 & 3 |
2 & 3 |
Open |
2 & 3 |
SL80486DX2 |
2 & 3 |
2 & 3 |
2 & 3 |
Closed |
2 & 3 |
80486DX2 |
2 & 3 |
2 & 3 |
2 & 3 |
Open |
2 & 3 |
80486DX4 |
2 & 3 |
2 & 3 |
2 & 3 |
Closed |
1 & 2 |
P24D |
Open |
Open |
Open |
Closed |
2 & 3 |
P24T |
Open |
Open |
Open |
Closed |
2 & 3 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION | ||
Type |
JP19 |
JP20 |
Intel/AMD |
pins 1 & 2 closed |
pins 2 & 3 closed |
Cyrix |
pins 2 & 3 closed |
pins 1 & 2 closed |
Intel P24D/P24T |
pins 1 & 2 closed |
pins 1 & 2 closed |
CPU TYPE CONFIGURATION | |||
Type |
JP40 |
JP41 |
JP55 |
80487SX |
pins 1 & 2, 3 & 4 closed |
pins 2 & 3 closed |
Open |
80486SX/CX M6/UMC U5S |
pins 2 & 3 closed |
Open |
Open |
CX M7 |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |
Closed |
Intel/AMD/Cyrix |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |
Open |
CPU SPEED CONFIGURATION | ||
Speed |
JP36 |
JP37 |
25MHz |
Open |
Open |
33MHz |
Closed |
Closed |
40MHz |
Open |
Closed |
50MHz |
Closed |
Open |
50iMHz |
Open |
Open |
66iMHz |
Closed |
Closed |
75iMHz |
Open |
Open |
100iMHz |
Closed |
Closed |
CPU SPEED CONFIGURATION | |
Speed |
JP50 |
2x |
pins 2 & 3 closed |
2.5x |
pins 1 & 2 closed |
3x |
Open |
CPU VOLTAGE CONFIGURATION | |
Voltage |
P3 |
3.3v |
pins 1 & 2, 4 & 5, 6 & 7 closed |
5v |
pins 2 & 3, 5 & 6, 8 & 9 closed |
VESA WAIT STATE CONFIGURATION | |
Wait states |
JP52 |
0 wait states |
Open |
1 wait state |
Closed |
BUS SPEED CONFIGURATION | |
CPU speed |
JP51 |
<= 33MHz |
Open |
> 33MHz |
Closed |
PARLLEL PORT CONFIGURATION | ||
Address |
JP8 |
JP9 |
378 |
pins 1 & 2 closed |
pins 2 & 3 closed |
278 |
pins 1 & 2 closed |
pins 1 & 2 closed |
3BC |
pins 2 & 3 closed |
pins 1 & 2 closed |
Disabled |
pins 2 & 3 closed |
pins 2 & 3 closed |
SERIAL PORT 1 CONFIGURATION | ||
Address |
JP2 |
JP3 |
3F8 |
pins 1 & 2 closed |
pins 1 & 2 closed |
2F8 |
pins 1 & 2 closed |
pins 2 & 3 closed |
3E8 |
pins 2 & 3 closed |
pins 1 & 2 closed |
Disabled |
pins 2 & 3 closed |
pins 2 & 3 closed |
SERIAL PORT 2 CONFIGURATION | ||
Address |
JP4 |
JP5 |
2F8 |
pins 1 & 2 closed |
pins 1 & 2 closed |
3F8 |
pins 1 & 2 closed |
pins 2 & 3 closed |
3E8 |
pins 2 & 3 closed |
pins 1 & 2 closed |
Disabled |
pins 2 & 3 closed |
pins 2 & 3 closed |
SERIAL PORT IRQ CONFIGURATION | ||
COM1 |
COM2 |
JP29 |
IRQ3 |
IRQ4 |
pins 1 & 2, 3 & 4 closed |
IRQ4 |
IRQ3 |
pins 1 & 3, 2 & 4 closed |
FLOPPY DRIVE MEDIA CONFIGURATION | ||
Setting |
JP17 |
JP18 |
All floppy types |
pins 1 & 2 closed |
pins 1 & 2 closed |
2.88MB only |
pins 2 & 3 closed |
pins 2 & 3 closed |