RAVEN SERVICE WORKS
DPC-4434
|
Processor |
80486SX/80487SX/80486DX/ODP486SX/80486DX2 |
|
Processor Speed |
20/25/33/50(internal)/50/66(internal) MHz |
|
Chip Set |
Unknown |
|
Max. Onboard DRAM |
32MB |
|
Cache |
None |
|
BIOS |
Unknown |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Floppy drive interface, IDE interface, multi-function connector (power LED, turbo SW1itch, keylock, and reset), parallel port, PS/2 keyboard connector, PS/2 mouse port, serial port,VGA feature connector, VGA port |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Multi-function connector |
C1 |
PS/2 mouse port |
MC |
|
Speaker |
C2 |
Parallel port |
PC |
|
IDE interface LED |
C3 |
Riser Card |
S1 |
|
Floppy drive interface |
FDC |
Serial port |
SC |
|
IDE interface |
IDE |
VGA port |
VC |
|
PS/2 keyboard port |
KC |
VGA feature connector |
VGA |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
|
PS/2 mouse port enabled (IRQ12) |
JP5 |
pins 1 & 2 closed | |
|
PS/2 mouse port disabled |
JP5 |
pins 2 & 3 closed | |
|
Monitor type select color |
SW1/2 |
On | |
|
Monitor type select monochrome |
SW1/2 |
Off | |
|
DRAM CONFIGURAPTION | ||
|
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) 1M x 9 |
(4) 256K x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
17MB |
(4) 4M x 9 |
(4) 256K x 9 |
|
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
ONBOARD VIDEO CONFIGURATION | |||||
|
VRAM size |
Bank 0 |
Bank 1 |
SW1/1 |
SW1/3 | |
|
512KB |
512KB |
None |
On |
On | |
|
1024KB |
512KB |
(4) 256K x 4 |
On |
Off | |
|
Disabled |
N/A |
N/A |
Off |
N/A | |
|
800 X 600 VIDEO MODE CONFIGURATION | ||||
|
Refresh Rate |
Mode |
SW1/6 |
SW1/7 | |
|
56Hz |
Interlaced |
Off |
Off | |
|
60Hz |
Interlaced |
On |
Off | |
|
70Hz |
Interlaced |
Off |
On | |
|
72Hz |
Interlaced |
On |
On | |
|
1024 X 768 VIDEO MODE CONFIGURATION | ||||
|
Refresh Rate |
Mode |
SW1/4 |
SW1/5 | |
|
56Hz |
Interlaced |
Off |
Off | |
|
60Hz |
Non-interlaced |
On |
Off | |
|
70Hz |
Non-interlaced |
Off |
On | |
|
72Hz |
Non-interlaced |
On |
On | |
|
RAMDAC CONFIGURATION | ||
|
RAMDAC type |
JP1 |
JP2 |
|
BT478, BT476, KDA0478, KDA0476 |
Closed |
pins 2 & 3 closed |
|
SC11483, SC11487 (Hi-Color) |
Closed |
pins 1 & 2 closed |
|
IMS178 |
Open |
pins 1 & 2 closed |
|
CPU CONFIGURATION | ||||
|
CPU |
JP3 |
JP4 |
JP8 |
JP9 |
|
80486SX |
Open |
pins 1 & 2 closed |
pins 2 & 3 closed |
Open |
|
80487SX/ODP486SX |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
Closed |
|
80486DX/DX2 |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
Closed |