DTK COMPUTER, INC.
PKM-0037Y (VER. 1.01)
|
Processor |
80486SX/80487SX80486DX/ODP486SX/80486DX2 |
|
Processor Speed |
20/25/33/50 (Internal)/50/66 (Internal)MHz |
|
Chip Set |
Symphony |
|
Max. onboard DRAM |
32MB |
|
Cache |
64/128/256KB |
|
BIOS |
AMI/DTK |
|
Dimensions |
229mm x 221mm |
|
I/O Options |
None |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
J1 |
Reset switch |
J4 |
|
Speaker |
J2 |
Turbo LED |
J5 |
|
Turbo LED |
J3 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
|
Monitor type select monochrome |
J8 |
pins 1 & 2 closed | |
|
Monitor type select color |
J8 |
pins 2 & 3 closed | |
|
Cache write wait state select 0 wait states |
J9 |
Closed | |
|
Cache write wait state select 1 wait state |
J9 |
Open | |
|
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 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
17MB |
(4) 256K x 9 |
(4) 4M x 9 |
|
20MB |
(4) 1M x 9 |
(4) 4M 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) 32K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | ||||||||
|
Size |
J14 |
J15 |
J16 |
J17 |
J18 |
J19 |
J20 |
J21 |
|
64KB |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
128KB |
2 & 3 |
1 & 2 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
256KB |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
Note:Pins designated should be in the closed position. | ||||||||
|
CPU SPEED CONFIGURATION | ||||
|
Speed |
J7 |
J10 |
J12 |
J13 |
|
20MHz |
Open |
Open |
pins 1 & 2 closed |
Open |
|
25Mhz |
Open |
Open |
pins 1 & 2 closed |
Open |
|
33Mhz |
Open |
Open |
pins 1 & 2 closed |
Open |
|
50i MHz |
Closed |
Open |
pins 1 & 2 closed |
Open |
|
50MHz |
Closed |
Closed |
pins 2 & 3 closed |
Closed |
|
66i MHz |
Open |
Open |
pins 1 & 2 closed |
Open |
|
CPU TYPE CONFIGURATION | ||||
|
Type |
J6 |
J11 |
J30 |
J31 |
|
80486SX PGA |
Closed |
Open |
pins 2 & 3 closed |
Open |
|
80486SX PQFP |
Open |
Open |
pins 1 & 2 closed |
Open |
|
80487SX PGA |
Closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
80486DX PGA |
Closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
ODP486SX PGA |
Closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
80486DX2 PGA |
Closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |