PEACOCK AG
80486SX/DX/DX2 (SYMPHONY)
|
Processor |
80486SX/80486DX/80486DX2 |
|
Processor Speed |
25/33/50(internal)/50/66(internal)MHz |
|
Chip Set |
Symphony |
|
Max. Onboard DRAM |
32MB |
|
Cache |
64/128/256/1024KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Floppy drive interface, IDE interface, parallel port, serial ports (2) |
|
NPU Options |
4167 (not present on all boards) |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
IDE interface |
CN1 |
Turbo LED |
JP5 |
|
Floppy drive interface |
CN2 |
Speaker |
JP7 |
|
Parallel port |
CN3 |
Power LED & keylock |
JP9 |
|
Serial port 2 |
CN4 |
Reset switch |
JP11 |
|
Serial port 1 |
CN5 |
IDE interface LED |
JP12 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
I/O bus speed select CPUCLK=CCLK2 |
JP2 |
pins 1 & 2 closed |
|
I/O bus speed select CPUCLK=PCLK |
JP2 |
pins 2 & 3 closed | |
|
|
Cache support enabled |
JP6 |
Open |
|
Cache support disabled |
JP6 |
Closed | |
|
|
Monitor type select color |
JP10 |
Closed |
|
Monitor type select monochrome |
JP10 |
Open | |
|
|
On board I/O enabled |
JP18 |
pins 2 & 3 closed |
|
On board I/O disabled |
JP18 |
pins 1 & 2 closed | |
|
|
Parallel port IRQ sleect IRQ7 |
JP19 |
pins 2 & 3 closed |
|
Parallel port IRQ sleect IRQ5 |
JP19 |
pins 1 & 2 closed | |
|
|
Cache controller timing select 1 |
JP30 |
pins 1 & 2 closed |
|
Cache controller timing select 2 |
JP30 |
pins 2 & 3 closed | |
|
|
CPU oscillator matches CPU speed |
JP36 |
Closed |
|
CPU oscillator matches 2x CPU speed |
JP36 |
Open | |
|
|
CPU algorithm select 3-2-2-2 |
JP37 |
Closed |
|
CPU algorithm select 2-1-1-1 |
JP37 |
Open | |
|
|
Cache wait state select 0 wait states |
JP38 |
Open |
|
Cache wait state select 1 wait state |
JP38 |
Closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(4) 256K x 9 |
NONE |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
|
4MB |
(4) 1M x 9 |
NONE |
|
5MB |
(4) 256K x 9 |
(4) 1M x 9 |
|
5MB |
(4) 1M x 9 |
(4) 256K x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
17MB |
(4) 256K x 9 |
(4) 4M x 9 |
|
17MB |
(4) 4M x 9 |
(4) 256K x 9 |
|
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
|
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
|
1MB |
(4) 128K x 8 |
(4) 128K x 8 |
(1) 128K x 8 |
|
CACHE JUMPER CONFIGURATION | ||||||
|
Size |
JP20 |
JP21 |
JP22 |
JP23 |
JP24 |
JP25 |
|
64KB |
2 & 3 |
2 & 3 |
2 & 3 |
Open |
2 & 3 |
2 & 3 |
|
128KB |
1 & 2 |
Open |
1 & 2 |
Closed |
1 & 2 |
1 & 2 |
|
256KB |
2 & 3 |
1 & 2 |
2 & 3 |
Open |
2 & 3 |
2 & 3 |
|
1MB |
2 & 3 |
1 & 2 |
2 & 3 |
Open |
2 & 3 |
2 & 3 |
|
Note: Pins designated should be in the closed positon. | ||||||
|
CACHE JUMPER CONFIGURATION (CONT) | |||||||
|
Size |
JP26 |
JP27 |
JP31 |
JP32 |
JP33 |
JP34 |
JP35 |
|
64KB |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
Closed |
|
128KB |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2 |
Closed |
|
256KB |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 2 |
Closed |
|
1MB |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
Closed |
|
Note: Pins designated should be in the closed positon. | |||||||
|
CPU TYPE CONFIGURATION | |||
|
Type |
JP1 |
JP3 |
JP4 |
|
80486SX |
pins 2 & 3 closed |
Open |
Open |
|
80486DX |
pins 1 & 2 closed |
Closed |
Closed |
|
80486DX2 |
pins 1 & 2 closed |
Closed |
Closed |