DTK COMPUTER, INC.
PKM-0038Y (VER. 1.00)
Processor |
80486SX/80487SX/80486DX/80486DX2/P23T |
Processor Speed |
20/25/33/50(internal)/50/66(internal)MHz |
Chip Set |
Symphony |
Video Chip Set |
None |
Maximum Onboard Memory |
32MB |
Maximum Video Memory |
None |
Cache |
64/128/256KB |
BIOS |
AMI/DTK |
Dimensions |
252mm x 221mm |
I/O Options |
32-bit VESA local bus slots (2) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Power LED & keylock |
J5 |
Turbo LED |
J8 |
Speaker |
J6 |
Reset switch |
J9 |
Turbo switch |
J7 |
32-bit VESA local bus slots |
SL1 & SL2 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
|
Factory configured - do not alter |
J2 |
Closed |
|
Monitor type select monochrome |
J26 |
Pins 1 & 2 closed |
Monitor type select color |
J26 |
Pins 2 & 3 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 |
CACHE JUMPER CONFIGURATION | ||||
Size |
J13 |
J14 |
J15 |
J16 |
None |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
64KB |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
128KB |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
256KB |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
CACHE JUMPER CONFIGURATION (CONT) | ||||
Size |
J17 |
J18 |
J19 |
J20 |
None |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
64KB |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
128KB |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
256KB |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
CACHE WAIT STATE CONFIGURATION | ||
Setting |
J1 |
J23 |
0 |
Open |
Closed |
1 |
Closed |
Open |
CPU SPEED SELECTION | ||||
Speed |
J21 |
J22 |
J24 |
J25 |
20MHz |
Pins 1 & 2 closed |
Open |
Open |
Open |
25MHz |
Pins 1 & 2 closed |
Open |
Open |
Open |
33MHz |
Pins 1 & 2 closed |
Open |
Open |
Open |
50iMHz |
Pins 1 & 2 closed |
Open |
Open |
Closed |
50MHz |
Pins 2 & 3 closed |
Closed |
Closed |
Closed |
66iMHz |
Pins 1 & 2 closed |
Open |
Open |
Open |
CPU TYPE SELECTION | |||
Type |
J10 |
J11 |
J12 |
80486SX |
Open |
Pins 2 & 3 closed |
Open |
80487SX |
Closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
80486DX |
Closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
80486DX2 |
Closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
P23T |
Closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
VL BUS WAIT STATE SELECTION | ||
Setting |
J4 | |
0 |
Open | |
1 |
Closed |
VL BUS SPEED SELECTION | ||
Speed |
J3 | |
<= 33MHz |
Open | |
>33 MHz |
Closed |