ATC/UNITRON COMPUTER & COMPUTER PARTS
U 6983
Processor |
Pentium |
Processor Speed |
75/90/100/120/133/150MHz |
Chip Set |
Unidentified |
Max. Onboard DRAM |
256MB |
Cache |
256/512/1024KB |
BIOS |
Award |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), cache slot |
NPU Options |
None |
CONNECTIONS |
|||
Purpose |
Location |
Purpose |
Location |
Turbo LED |
J1 |
Parallel port |
J12 |
Turbo switch |
J2 |
Serial port 2 |
J13 |
Reset switch |
J3 |
IDE interface LED 2 |
J14 |
Speaker |
J4 |
IDE interface LED 1 |
J15 |
Power LED & keylock |
J5 |
IR connector |
JP32 |
Green PC connector |
J6 |
PS/2 mouse interface (optional) |
MS2 |
IDE interface 2 |
J7 |
32-bit PCI slots |
PC1 - PC4 |
IDE interface 1 |
J8 |
Chassis fan power |
PS1 |
Serial port 1 |
J10 |
Cache slot |
SL1 |
Floppy drive interface |
J11 |
|
|
USER CONFIGURABLE SETTINGS |
|||
Function |
Jumper |
Position |
|
» |
CMOS memory normal operation |
JP5 |
pins 1 & 2 closed |
|
CMOS memory clear |
JP5 |
pins 2 & 3 closed |
» |
Factory configured - do not alter |
JP8 |
N/A |
» |
Factory configured - do not alter |
JP10 |
N/A |
» |
BIOS type select EPROM |
JP13 |
Open |
|
BIOS type select 5v flash |
JP13 |
pins 1 & 2 closed |
|
BIOS type select 12v flash |
JP13 |
pins 2 & 3 closed |
» |
Factory configured - do not alter |
JP19 |
N/A |
» |
Factory configured - do not alter |
JP22 |
N/A |
» |
Factory configured - do not alter |
JP23 |
N/A |
» |
Factory configured - do not alter |
JP30 |
N/A |
DRAM CONFIGURATION |
||
Size |
Bank 0/0A |
Bank 1 |
1MB* |
(1) 256K x 36 |
NONE |
2MB* |
(1) 512K x 36 |
NONE |
4MB* |
(1) 1M x 36 |
NONE |
8MB* |
(1) 2M x 36 |
NONE |
16MB* |
(1) 4M x 36 |
NONE |
32MB* |
(1) 8M x 36 |
NONE |
64MB* |
(1) 16M x 36 |
NONE |
2MB |
(2) 256K x 36 |
NONE |
4MB |
(2) 512K x 36 |
NONE |
4MB |
(2) 256K x 36 |
(2) 256K x 36 |
6MB |
(2) 512K x 36 |
(2) 256K x 36 |
6MB |
(2) 256K x 36 |
(2) 512K x 36 |
8MB |
(2) 1M x 36 |
NONE |
8MB |
(2) 512K x 36 |
(2) 512K x 36 |
10MB |
(2) 1M x 36 |
(2) 256K x 36 |
10MB |
(2) 256K x 36 |
(2) 1M x 36 |
DRAM CONFIGURATION (CON'T) |
||
Size |
Bank 0/0A |
Bank 1 |
12MB |
(2) 1M x 36 |
(2) 512K x 36 |
12MB |
(2) 512K x 36 |
(2) 1M x 36 |
16MB |
(2) 2M x 36 |
NONE |
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
18MB |
(2) 2M x 36 |
(2) 256K x 36 |
18MB |
(2) 256K x 36 |
(2) 2M x 36 |
20MB |
(2) 2M x 36 |
(2) 512K x 36 |
20MB |
(2) 512K x 36 |
(2) 2M x 36 |
24MB |
(2) 2M x 36 |
(2) 1M x 36 |
24MB |
(2) 1M x 36 |
(2) 2M x 36 |
32MB |
(2) 4M x 36 |
NONE |
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
34MB |
(2) 4M x 36 |
(2) 256K x 36 |
34MB |
(2) 256K x 36 |
(2) 4M x 36 |
36MB |
(2) 4M x 36 |
(2) 512K x 36 |
36MB |
(2) 512K x 36 |
(2) 4M x 36 |
40MB |
(2) 4M x 36 |
(2) 1M x 36 |
40MB |
(2) 1M x 36 |
(2) 4M x 36 |
48MB |
(2) 4M x 36 |
(2) 2M x 36 |
48MB |
(2) 2M x 36 |
(2) 4M x 36 |
64MB |
(2) 8M x 36 |
NONE |
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
66MB |
(2) 8M x 36 |
(2) 256K x 36 |
66MB |
(2) 256K x 36 |
(2) 8M x 36 |
68MB |
(2) 8M x 36 |
(2) 512K x 36 |
68MB |
(2) 512K x 36 |
(2) 8M x 36 |
72MB |
(2) 8M x 36 |
(2) 1M x 36 |
72MB |
(2) 1M x 36 |
(2) 8M x 36 |
80MB |
(2) 8M x 36 |
(2) 2M x 36 |
80MB |
(2) 2M x 36 |
(2) 8M x 36 |
96MB |
(2) 8M x 36 |
(2) 4M x 36 |
96MB |
(2) 4M x 36 |
(2) 8M x 36 |
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
128MB |
(2) 16M x 36 |
NONE |
130MB |
(2) 16M x 36 |
(2) 256K x 36 |
132MB |
(2) 16M x 36 |
(2) 512K x 36 |
136MB |
(2) 16M x 36 |
(2) 1M x 36 |
144MB |
(2) 16M x 36 |
(2) 2M x 36 |
160MB |
(2) 16M x 36 |
(2) 4M x 36 |
192MB |
(2) 16M x 36 |
(2) 8M x 36 |
256MB |
(2) 16M x 36 |
(2) 16M x 36 |
Note: Sizes with an * present use only Bank 0A. |
CACHE CONFIGURATION |
|||
Size |
Bank 0 |
TAG |
SL1 |
256KB (A) |
(8) 32K x 8 |
(1) 16K x 8 |
Not installed |
256KB (B) |
NONE |
NONE |
Installed |
512KB (A) |
(8) 64K x 8 |
(1) 16K x 8 |
Not installed |
512KB (B) |
NONE |
NONE |
Installed |
1MB |
(8) 128K x 8 |
(1) 32K x 8 |
Not installed |
CACHE JUMPER CONFIGURATION |
||
Size |
JP8 |
JP10 |
256KB |
pins 1 & 2 closed |
pins 2 & 3 closed |
512KB |
pins 1 & 2, 3 & 4 closed |
Open |
1MB |
pins 2 & 3 closed |
pins 1 & 2 closed |
Note: If SL1 is used, these jumpers are ignored. |
CPU SPEED CONFIGURATION |
|
Speed |
JP16 |
75MHz |
Open |
90MHz |
pins 1 & 2 closed |
100MHz |
pins 1 & 2, 3 & 4 closed |
120MHz |
pins 1 & 2 closed |
133MHz |
pins 1 & 2, 3 & 4 closed |
150MHz |
pins 1 & 2 closed |
CPU SPEED CONFIGURATION |
||
Speed |
JP9 |
JP12 |
1.5x |
Open |
Open |
2x |
Closed |
Open |
2.5x |
Closed |
Closed |
CPU VOLTAGE CONFIGURATION |
||
Voltage |
JP17 |
|
» |
3.3v |
pins 1 & 2 closed |
» |
3.4v |
pins 2 & 3 closed |
» |
3.55v |
pins 4 & 5 closed |
DMA CONFIGURATION |
|
DMA |
JP29 |
DMA 1 |
pins 1 & 3, 2 & 4 closed |
DMA 3 |
pins 3 & 5, 4 & 6 closed |