DASH COMPUTER, INC.
DC-420
|
Processor |
CX486DX/IBM486DX/TI486DX/SGS486DX/80486DX/AM486DX2/ (SL)486DX2/CX486DX2/IBM486DX2/TI486DX2/SGS486DX2/ 80486DX2/CX486DX4/IBM486DX4/TI486DX4/SGS486DX4/ AM486DX4/(SL)AM486DX4/SL80486DX4/P24D/CX5X86/AM X5 |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)/120(internal)/133(internal)MHz |
|
Chip Set |
UMC |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
128MB |
|
Maximum Video Memory |
None |
|
Cache |
128/256/512/1024KB |
|
BIOS |
AMI |
|
Dimensions |
250mm x 220mm |
|
I/O Options |
32-bit VESA local bus slot, 32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2), cache slot |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 1 |
CN1 |
Turbo LED |
J10 |
|
Serial port 2 |
CN2 |
Reset switch |
J11 |
|
Parallel port |
CN3 |
Turbo switch |
J12 |
|
Floppy drive interface |
CN4 |
IDE interface LED |
J13 |
|
IDE interface 1 |
CN5 |
Green PC connector |
J14 |
|
IDE interface 2 |
CN6 |
32-bit PCI slots |
PC1 - PC3 |
|
External battery |
J4 |
32-bit VESA local bus slot |
SL1 |
|
Power LED & keylock |
J8 |
Cache slot |
SL2 |
|
Speaker |
J9 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
Battery type select internal |
J4 |
Pins 2 & 3 closed | |
|
Battery type select external |
J4 |
Closed | |
|
CMOS memory clear |
J4 |
Pins 3 & 4 closed | |
|
» |
Factory configured - do not alter |
JP1 |
Unidentified |
|
Flash BIOS voltage select 12v |
JP2 |
Pins 1 & 2 closed | |
|
Flash BIOS voltage select 5v |
JP2 |
Pins 2 & 3 closed | |
|
DRAM CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
1MB |
(4) 256K x 9 |
None |
None |
|
1MB |
None |
(1) 256K x 36 |
None |
|
2MB |
None |
(1) 512K x 36 |
None |
|
3MB |
(4) 256K x 9 |
(1) 256K x 36 |
(1) 256K x 36 |
|
3MB |
(4) 256K x 9 |
None |
(1) 512K x 36 |
|
4MB |
(4) 256K x 9 |
(1) 256K x 36 |
(1) 512K x 36 |
|
4MB |
(4) 1M x 9 |
None |
None |
|
4MB |
None |
(1) 512K x 36 |
(1) 512K x 36 |
|
4MB |
None |
(1) 1M x 36 |
None |
|
4MB |
None |
None |
(1) 1M x 36 |
|
5MB |
(4) 256K x 9 |
(1) 1M x 36 |
None |
|
5MB |
(4) 256K x 9 |
None |
(1) 1M x 36 |
|
5MB |
None |
(1) 1M x 36 |
(1) 256K x 36 |
|
6MB |
(4) 1M x 9 |
None |
(1) 512K x 36 |
|
8MB |
(4) 1M x 9 |
(1) 1M x 36 |
None |
|
8MB |
(4) 1M x 9 |
None |
(1) 1M x 36 |
|
8MB |
None |
(1) 1M x 36 |
(1) 1M x 36 |
|
8MB |
None |
(1) 2M x 36 |
None |
|
8MB |
None |
None |
(1) 2M x 36 |
|
9MB |
(4) 256K x 9 |
(1) 1M x 36 |
(1) 1M x 36 |
|
9MB |
(4) 1M x 9 |
(1) 1M x 36 |
(1) 256K x 36 |
|
DRAM CONFIGURATION (CON’T) | |||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
9MB |
(4) 1M x 9 |
(1) 256K x 36 |
(1) 1M x 36 |
|
10MB |
(4) 1M x 9 |
(1) 1M x 36 |
(1) 512K x 36 |
|
12MB |
(4) 1M x 9 |
(1) 1M x 36 |
(1) 1M x 36 |
|
12MB |
None |
(1) 1M x 36 |
(1) 2M x 36 |
|
12MB |
None |
(1) 2M x 36 |
(1) 1M x 36 |
|
16MB |
(4) 4M x 9 |
None |
None |
|
16MB |
None |
(1) 4M x 36 |
None |
|
16MB |
None |
None |
(1) 4M x 36 |
|
17MB |
(4) 256K x 9 |
None |
(1) 4M x 36 |
|
17MB |
(4) 4M x 9 |
(1) 256K x 36 |
None |
|
20MB |
(4) 1M x 9 |
(1) 4M x 36 |
None |
|
20MB |
(4) 1M x 9 |
None |
(1) 4M x 36 |
|
24MB |
(4) 1M x 9 |
(1) 1M x 36 |
(1) 4M x 36 |
|
24MB |
(4) 1M x 9 |
(1) 4M x 36 |
(1) 1M x 36 |
|
32MB |
(4) 4M x 9 |
(1) 4M x 36 |
None |
|
32MB |
(4) 4M x 9 |
None |
(1) 4M x 36 |
|
32MB |
None |
(1) 4M x 36 |
(1) 4M x 36 |
|
32MB |
None |
None |
(1) 8M x 36 |
|
33MB |
(4) 256K x 9 |
(1) 8M x 36 |
None |
|
34MB |
(4) 4M x 9 |
(1) 4M x 36 |
(1) 512K x 36 |
|
36MB |
(4) 4M x 9 |
(1) 1M x 36 |
(1) 4M x 36 |
|
36MB |
(4) 1M x 9 |
(1) 4M x 36 |
(1) 4M x 36 |
|
48MB |
(4) 4M x 9 |
(1) 4M x 36 |
(1) 4M x 36 |
|
48MB |
(4) 4M x 9 |
None |
(1) 8M x 36 |
|
48MB |
None |
(1) 8M x 36 |
(1) 4M x 36 |
|
64MB |
None |
(1) 8M x 36 |
(1) 8M x 36 |
|
64MB |
None |
(1) 16M x 36 |
None |
|
65MB |
None |
(1) 256K x 36 |
(1) 16M x 36 |
|
66MB |
None |
(1) 512K x 36 |
(1) 16M x 36 |
|
68MB |
None |
(1) 1M x 36 |
(1) 16M x 36 |
|
72MB |
None |
(1) 2M x 36 |
(1) 16M x 36 |
|
80MB |
None |
(1) 4M x 36 |
(1) 16M x 36 |
|
96MB |
None |
(1) 8M x 36 |
(1) 16M x 36 |
|
128MB |
None |
(1) 16M x 36 |
(1) 16M x 36 |
|
Note: Any combination of memory is valid. This table only shows a sample of possible configurations. | |||
|
CACHE CONFIGURATION | |
|
Size |
SL1 |
|
128KB |
128KB module installed |
|
256KB |
256KB module installed |
|
512KB |
512KB module installed |
|
1MB |
1MB module installed |
|
CPU SPEED SELECTION | |||
|
Speed |
JP3A |
JP3B |
JP3C |
|
25MHz |
Open |
Open |
Closed |
|
33MHz |
Closed |
Closed |
Closed |
|
40MHz |
Open |
Closed |
Closed |
|
50iMHz |
Open |
Open |
Closed |
|
50MHz |
Closed |
Open |
Open |
|
66iMHz |
Closed |
Closed |
Closed |
|
75iMHz |
Open |
Open |
Closed |
|
80iMHz |
Open |
Closed |
Closed |
|
100iMHz |
Closed |
Closed |
Closed |
|
120iMHz |
Open |
Closed |
Closed |
|
133iMHz |
Closed |
Closed |
Closed |
|
CPU TYPE SELECTION | |||||
|
Type |
JP6 |
JP7 |
JP8A |
JP8B |
JP9A |
|
CX486DX |
Open |
Open |
Open |
1 & 2 |
1 & 2 |
|
IBM486DX |
Open |
Open |
Open |
1 & 2 |
1 & 2 |
|
TI486DX |
Open |
Open |
Open |
1 & 2 |
1 & 2 |
|
SGS486DX |
Open |
Open |
Open |
1 & 2 |
1 & 2 |
|
80486DX |
Open |
Closed |
2 & 3 |
Open |
2 & 3 |
|
AM486DX2 |
Open |
Closed |
2 & 3 |
Open |
2 & 3 |
|
(SL) AM486DX2 |
Closed |
Open |
1 & 2 |
Open |
1 & 2 |
|
CX486DX2 |
Open |
Open |
Open |
1 & 2 |
1 & 2 |
|
IBM486DX2 |
Open |
Open |
Open |
1 & 2 |
1 & 2 |
|
TI486DX2 |
Open |
Open |
Open |
1 & 2 |
1 & 2 |
|
SGS486DX2 |
Open |
Open |
Open |
1 & 2 |
1 & 2 |
|
80486DX2 |
Open |
Closed |
2 & 3 |
Open |
2 & 3 |
|
CX486DX4 (A) |
Open |
Open |
1 & 2 |
Open |
1 & 2 |
|
CX486DX4 |
Open |
Open |
Open |
1 & 2 |
1 & 2 |
|
IBM486DX4 (A) |
Open |
Open |
1 & 2 |
Open |
1 & 2 |
|
IBM486DX4 |
Open |
Open |
Open |
1 & 2 |
1 & 2 |
|
TI486DX4 |
Open |
Open |
Open |
1 & 2 |
1 & 2 |
|
SGS486DX4 (A) |
Open |
Open |
1 & 2 |
Open |
1 & 2 |
|
SGS486DX4 |
Open |
Open |
Open |
1 & 2 |
1 & 2 |
|
AM486DX4 |
Open |
Closed |
2 & 3 |
Open |
2 & 3 |
|
(SL) AM486DX4 |
Closed |
Open |
1 & 2 |
Open |
1 & 2 |
|
SL80486DX4 |
Open |
Open |
2 & 3 |
Open |
1 & 2 |
|
P24D |
Open |
Open |
1 & 2 |
Open |
1 & 2 |
|
CX5X86 |
Closed |
Open |
1 & 2 |
Open |
1 & 2 |
|
AM X5 |
Closed |
Open |
1 & 2 |
Open |
1 & 2 |
|
Note: Pins designated should be in the closed position. (A) = Intel pin out. | |||||
|
CPU TYPE SELECTION (CON’T) | |||||
|
Type |
JP9B |
JP9C |
JP10A |
JP10B |
JP10C |
|
CX486DX |
1 & 2 |
2 & 3 |
3 & 4 |
2 & 3 |
1 & 2, 3 & 4 |
|
IBM486DX |
1 & 2 |
2 & 3 |
3 & 4 |
2 & 3 |
1 & 2, 3 & 4 |
|
TI486DX |
1 & 2 |
2 & 3 |
3 & 4 |
2 & 3 |
1 & 2, 3 & 4 |
|
SGS486DX |
1 & 2 |
2 & 3 |
3 & 4 |
2 & 3 |
1 & 2, 3 & 4 |
|
80486DX |
Open |
Open |
3 & 4 |
Open |
1 & 2, 3 & 4 |
|
AM486DX2 |
Open |
Open |
3 & 4 |
Open |
1 & 2, 3 & 4 |
|
(SL) AM486DX2 |
1 & 2, 3 & 4 |
3 & 4 |
3 & 4 |
1 & 2, 3 & 4 |
1 & 2, 3 & 4 |
|
CX486DX2 |
1 & 2 |
2 & 3 |
3 & 4 |
2 & 3 |
1 & 2, 3 & 4 |
|
IBM486DX2 |
1 & 2 |
2 & 3 |
3 & 4 |
2 & 3 |
1 & 2, 3 & 4 |
|
TI486DX2 |
1 & 2 |
2 & 3 |
3 & 4 |
2 & 3 |
1 & 2, 3 & 4 |
|
SGS486DX2 |
1 & 2 |
2 & 3 |
3 & 4 |
2 & 3 |
1 & 2, 3 & 4 |
|
80486DX2 |
Open |
Open |
3 & 4 |
Open |
1 & 2, 3 & 4 |
|
CX486DX4 (A) |
1 & 2, 3 & 4 |
3 & 4 |
3 & 4 |
1 & 2, 3 & 4 |
1 & 2, 3 & 4 |
|
CX486DX4 |
1 & 2 |
2 & 3 |
3 & 4 |
2 & 3 |
1 & 2, 3 & 4 |
|
IBM486DX4 (A) |
1 & 2, 3 & 4 |
3 & 4 |
3 & 4 |
1 & 2, 3 & 4 |
1 & 2, 3 & 4 |
|
IBM486DX4 |
1 & 2 |
2 & 3 |
3 & 4 |
2 & 3 |
1 & 2, 3 & 4 |
|
TI486DX4 |
1 & 2 |
2 & 3 |
3 & 4 |
2 & 3 |
1 & 2, 3 & 4 |
|
SGS486DX4 (A) |
1 & 2, 3 & 4 |
3 & 4 |
3 & 4 |
1 & 2, 3 & 4 |
1 & 2, 3 & 4 |
|
SGS486DX4 |
1 & 2 |
2 & 3 |
3 & 4 |
2 & 3 |
1 & 2, 3 & 4 |
|
AM486DX4 |
Open |
Open |
3 & 4 |
Open |
1 & 2, 3 & 4 |
|
(SL) AM486DX4 |
1 & 2, 3 & 4 |
3 & 4 |
3 & 4 |
1 & 2, 3 & 4 |
1 & 2, 3 & 4 |
|
SL80486DX4 |
1 & 2 |
Open |
3 & 4 |
1 & 2 |
1 & 2, 3 & 4 |
|
P24D |
1 & 2, 3 & 4 |
3 & 4 |
3 & 4 |
1 & 2, 3 & 4 |
1 & 2, 3 & 4 |
|
CX5X86 |
1 & 2, 3 & 4 |
3 & 4 |
3 & 4 |
1 & 2, 3 & 4 |
1 & 2, 3 & 4 |
|
AM X5 |
1 & 2, 3 & 4 |
3 & 4 |
3 & 4 |
1 & 2, 3 & 4 |
1 & 2, 3 & 4 |
|
Note: Pins designated should be in the closed position. (A) = Intel pin out. | |||||
|
CPU TYPE SELECTION (CON’T) | |||||
|
Type |
JP11 |
JP12A |
JP12B |
JP13 |
JP14 |
|
CX486DX |
2 & 3 |
2 & 3 |
1 & 2 |
Open |
1 & 2, 3 & 4 |
|
IBM486DX |
2 & 3 |
2 & 3 |
1 & 2 |
Open |
1 & 2, 3 & 4 |
|
TI486DX |
2 & 3 |
2 & 3 |
1 & 2 |
Open |
1 & 2, 3 & 4 |
|
SGS486DX |
2 & 3 |
2 & 3 |
1 & 2 |
Open |
1 & 2, 3 & 4 |
|
80486DX |
Open |
1 & 2 |
1 & 2 |
Open |
Open |
|
AM486DX2 |
Open |
1 & 2 |
2 & 3 |
Open |
Open |
|
(SL) AM486DX2 |
Open |
1 & 2 |
1 & 2 |
Open |
2 & 3, 4 & 5 |
|
CX486DX2 |
2 & 3 |
2 & 3 |
1 & 2 |
Open |
1 & 2, 3 & 4 |
|
IBM486DX2 |
2 & 3 |
2 & 3 |
1 & 2 |
Open |
1 & 2, 3 & 4 |
|
TI486DX2 |
2 & 3 |
2 & 3 |
1 & 2 |
Open |
1 & 2, 3 & 4 |
|
SGS486DX2 |
2 & 3 |
2 & 3 |
1 & 2 |
Open |
1 & 2, 3 & 4 |
|
80486DX2 |
Open |
1 & 2 |
1 & 2 |
Open |
Open |
|
CX486DX4 (A) |
Open |
2 & 3 |
1 & 2 |
Closed |
2 & 3, 4 & 5 |
|
CX486DX4 |
2 & 3 |
2 & 3 |
1 & 2 |
Open |
1 & 2, 3 & 4 |
|
IBM486DX4 (A) |
Open |
2 & 3 |
1 & 2 |
Closed |
2 & 3, 4 & 5 |
|
IBM486DX4 |
2 & 3 |
2 & 3 |
1 & 2 |
Open |
1 & 2, 3 & 4 |
|
TI486DX4 |
2 & 3 |
2 & 3 |
1 & 2 |
Open |
1 & 2, 3 & 4 |
|
SGS486DX4 (A) |
Open |
2 & 3 |
1 & 2 |
Closed |
2 & 3, 4 & 5 |
|
SGS486DX4 |
2 & 3 |
2 & 3 |
1 & 2 |
Open |
1 & 2, 3 & 4 |
|
AM486DX4 |
Open |
1 & 2 |
2 & 3 |
Open |
Open |
|
(SL) AM486DX4 |
Open |
1 & 2 |
1 & 2 |
Open |
2 & 3, 4 & 5 |
|
SL80486DX4 |
Open |
1 & 2 |
1 & 2 |
Open |
2 & 3, 4 & 5 |
|
P24D |
Open |
1 & 2 |
1 & 2 |
Open |
2 & 3, 4 & 5 |
|
CX5X86 |
Open |
1 & 2 |
1 & 2 |
Open |
2 & 3, 4 & 5 |
|
AM X5 |
Open |
1 & 2 |
1 & 2 |
Open |
2 & 3, 4 & 5 |
|
Note: Pins designated should be in the closed position. (A) = Intel pin out. | |||||
|
CPU VOLTAGE SELECTION | |||||
|
Voltage |
JP4 |
JP5A |
JP5B |
JP5C |
JP5D |
|
3.3v |
Closed |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
4v |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
5v |
Closed |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
Note: Pins designated should be in the closed position. | |||||