UNIDENTIFIED
UC 4915-C AIO
|
Processor |
80486SX/CX487SX/80486DX/80486DX2/P23N/P23T/Pentium Overdrive |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)MHz |
|
Chip Set |
UMC |
|
Max. Onboard DRAM |
64MB |
|
Cache |
64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Floppy drive interface, game port, IDE interface, parallel port, serial ports (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
J1 |
Speaker |
J9 |
|
Serial port 1 |
J2 |
IDE interface LED |
JP14 |
|
Game port |
J4 |
Power LED & keylock |
JP40 |
|
Parallel port |
J5 |
Reset switch |
JP41 |
|
Serial port 2 |
J6 |
Turbo switch |
JP42 |
|
Floppy drive interface |
J7 |
Turbo LED |
JP43 |
|
IDE interface |
J8 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
BIOS type select EPROM |
JP2 |
pins 1 & 2 closed |
|
BIOS type select flash BIOS |
JP2 |
pins 2 & 3 closed | |
|
|
Floppy drive interface enabled |
JP3 |
pins 1 & 2 closed |
|
Floppy drive interface disabled |
JP3 |
pins 2 & 3 closed | |
|
|
Parallel port enabled |
JP4 |
pins 1 & 2 closed |
|
Parallel port disabled |
JP4 |
pins 2 & 3 closed | |
|
|
COM2/4 enabled |
JP5 |
pins 1 & 2 closed |
|
COM2/4 disabled |
JP5 |
pins 2 & 3 closed | |
|
|
COM2 enabled |
JP6 |
pins 1 & 2 closed |
|
COM4 enabled |
JP6 |
pins 2 & 3 closed | |
|
|
COM1 enabled |
JP7 |
pins 1 & 2 closed |
|
COM3 enabled |
JP7 |
pins 2 & 3 closed | |
|
|
COM1/3 enabled |
JP8 |
pins 1 & 2 closed |
|
COM1/3 disabled |
JP8 |
pins 2 & 3 closed | |
|
|
Printer I/O port select LPT2 |
JP9 |
pins 1 & 2 closed |
|
Printer I/O port select LPT3 |
JP9 |
pins 2 & 3 closed | |
|
|
Monitor type select monochrome |
JP10 |
pins 1 & 2 closed |
|
Monitor type select color |
JP10 |
pins 2 & 3 closed | |
|
|
Game port enabled |
JP11 |
pins 1 & 2 closed |
|
Game port disabled- |
JP11 |
pins 2 & 3 closed | |
|
|
Hard drive installed |
JP12 |
pins 2 & 3 closed |
|
Hard drive not installed |
JP12 |
pins 1 & 2 closed | |
|
|
IDE interface enabled |
JP13 |
pins 1 & 2 closed |
|
IDE interface disabled |
JP13 |
pins 2 & 3 closed | |
|
|
Weitek VGA card not installed |
JP30 |
pins 1 & 2 closed |
|
Weitek VGA card installed |
JP30 |
pins 2 & 3 closed | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
1MB |
(1) 256K x 36 |
NONE |
NONE |
NONE |
|
2MB |
(1) 512K x 36 |
NONE |
NONE |
NONE |
|
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
3MB |
(1) 512K x 36 |
NONE |
(1) 256K x 36 |
NONE |
|
3MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
|
4MB |
(1) 512K x 36 |
NONE |
(1) 256K x 36 |
(1) 256K x 36 |
|
4MB |
(1) 512K x 36 |
NONE |
(1) 512K x 36 |
NONE |
|
4MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
|
5MB |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
6MB |
(1) 512K x 36 |
NONE |
(1) 1M x 36 |
NONE |
|
6MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
|
7MB |
(1) 512K x 36 |
NONE |
(1) 1M x 36 |
(1) 256K x 36 |
|
7MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
DRAM CONFIGURATION (CONT) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
8MB |
(1) 2M x 36 |
NONE |
NONE |
NONE |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
9MB |
(1) 2M x 36 |
NONE |
(1) 256K x 36 |
NONE |
|
9MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
|
10MB |
(1) 512K x 36 |
NONE |
(1) 2M x 36 |
NONE |
|
10MB |
(1) 2M x 36 |
NONE |
(1) 256K x 36 |
(1) 256K x 36 |
|
10MB |
(1) 2M x 36 |
NONE |
(1) 512K x 36 |
NONE |
|
10MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
12MB |
(1) 2M x 36 |
NONE |
(1) 1M x 36 |
NONE |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
|
13MB |
(1) 2M x 36 |
NONE |
(1) 1M x 36 |
(1) 256K x 36 |
|
13MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
|
16MB |
(1) 2M x 36 |
NONE |
(1) 1M x 36 |
(1) 1M x 36 |
|
16MB |
(1) 2M x 36 |
NONE |
(1) 2M x 36 |
NONE |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
|
17MB |
(1) 4M x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
18MB |
(1) 512K x 36 |
NONE |
(1) 4M x 36 |
NONE |
|
18MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
|
19MB |
(1) 512K x 36 |
NONE |
(1) 4M x 36 |
(1) 256K x 36 |
|
19MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
20MB |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
21MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
|
22MB |
(1) 512K x 36 |
NONE |
(1) 4M x 36 |
(1) 1M x 36 |
|
22MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
24MB |
(1) 2M x 36 |
NONE |
(1) 4M x 36 |
NONE |
|
24MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
|
25MB |
(1) 2M x 36 |
NONE |
(1) 4M x 36 |
(1) 256K x 36 |
|
25MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
|
28MB |
(1) 2M x 36 |
NONE |
(1) 4M x 36 |
(1) 1M x 36 |
|
28MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
33MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
NONE |
|
34MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
36MB |
(1) 512K x 36 |
NONE |
(1) 4M x 36 |
(1) 4M x 36 |
|
36MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
|
37MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
|
40MB |
(1) 2M x 36 |
NONE |
(1) 4M x 36 |
(1) 4M x 36 |
|
40MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
49MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
|
52MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
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 |
JP31 |
JP34 |
JP35 |
JP36 |
|
64KB |
Open |
Open |
Open |
pins 1 & 2 closed |
|
128KB |
Open |
Closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
256KB |
Closed |
Closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
CPU TYPE CONFIGURATION | ||
|
Type |
JP38 |
JP39 |
|
80486SX |
pins 2 & 3 closed |
Open |
|
80486DX |
pins 1 & 2, 3 & 4 closed |
pins 2 & 3 closed |
|
80486DX2 |
pins 1 & 2, 3 & 4 closed |
pins 2 & 3 closed |
|
P23N |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |
|
P23T |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |
|
Pentium Overdrive |
pins 1 & 2, 3 & 4 closed |
pins 2 & 3 closed |
|
CPU TYPE CONFIGURATION (CX487SX) | |||
|
Type |
JP21 |
JP25 |
JP37 |
|
Installed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
Not installed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
CPU SPEED CONFIGURATION | ||
|
Speed |
JP26 |
JP27 |
|
25MHz |
Closed |
Closed |
|
33MHz |
Open |
Closed |
|
40MHz |
Closed |
Open |
|
50iMHz |
Closed |
Closed |
|
50MHz |
Open |
Open |
|
66iMHz |
Open |
Closed |