TMC RESEARCH CORPORATION
PAT48SG (VER. 1.1), PAT48SG4(VER. 1.1B)
Processor |
CX486SX/SL80486SX/80486SX/CX486DX/SL80486DX/80486DX/SL80486DX280486DX2/80486DX4/Pentium Overdrive |
Processor Speed |
25/33/40/50(internal)/50/66(internal)/83(internal)/100(internal)MHz |
Chip Set |
Unidentified |
Max. Onboard DRAM |
128MB |
Cache |
128/256KB |
BIOS |
Unidentified |
Dimensions |
254mm x 218mm |
I/O Options |
32-bit VESA local bus slots (3), green PC connector |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
J1 |
IDE interface LED |
J4 pins 10 & 20 |
IDE interface LED |
J3 |
Power LED & keylock |
J4 pins 11 - 15 |
Speaker |
J4 pins 1 - 4 |
Green PC connector |
J5 |
Turbo switch |
J4 pins 7 & 17 |
Green PC LED |
J6 |
Turbo LED |
J4 pins 8 & 18 |
32-bit VESA local bus slots |
SL1 - SL3 |
Reset switch |
J4 pins 9 & 19 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
|
Battery type select internal |
JP21 |
pins 1 & 2 closed |
CMOS memory clear |
JP21 |
pins 2 & 3 closed | |
Battery type select external |
JP21 |
Open | |
|
Monitor type select color |
JP22 |
Closed |
Monitor type select monochrome |
JP22 |
Open | |
|
Factory configured - do not alter |
JP23 |
N/A |
|
Factory configured - do not alter |
JP26 |
N/A |
|
Factory configured - do not alter |
JP27 |
N/A |
|
Factory configured - do not alter |
JP28 |
N/A |
|
Factory configured - do not alter |
JP29 |
N/A |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
1MB |
(1) 256K x 36 |
NONE |
NONE |
NONE |
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
NONE |
2MB |
(1) 512K x 36 |
NONE |
NONE |
NONE |
4MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 512K x 36 |
NONE |
4MB |
(1) 512K x 36 |
NONE |
(1) 512K x 36 |
NONE |
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
5MB |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
NONE |
6MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
6MB |
(1) 512K x 36 |
NONE |
(1) 1M x 36 |
NONE |
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
8MB |
(1) 2M x 36 |
NONE |
NONE |
NONE |
10MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
16MB |
(1) 2M x 36 |
NONE |
(1) 2M x 36 |
NONE |
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
17MB |
(1) 256K x 36 |
(1) 4M x 36 |
NONE |
NONE |
18MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 4M x 36 |
NONE |
18MB |
(1) 512K x 36 |
NONE |
(1) 4M x 36 |
NONE |
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
NONE |
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
32MB |
(1) 8M x 36 |
NONE |
NONE |
NONE |
36MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
NONE |
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
64MB |
(1) 16M x 36 |
NONE |
NONE |
NONE |
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
NONE |
DRAM CONFIGURATION (CONT) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
64MB |
(1) 8M x 36 |
NONE |
(1) 8M x 36 |
NONE |
65MB |
(1) 256K x 36 |
(1) 16M x 36 |
NONE |
NONE |
68MB |
(1) 1M x 36 |
(1) 16M x 36 |
NONE |
NONE |
72MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 16M x 36 |
NONE |
80MB |
(1) 4M x 36 |
(1) 16M x 36 |
NONE |
NONE |
96MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 16M x 36 |
NONE |
128MB |
(1) 16M x 36 |
(1) 16M x 36 |
NONE |
NONE |
CACHE CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
TAG |
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 16K x 8 or (1) 32K x 8 |
CACHE RESISTOR CONFIGURATION | ||
Size |
RN128 |
RN256 |
128KB |
Installed |
Not installed |
256KB |
Not installed |
Installed |
CPU TYPE CONFIGURATION | |||||
Type |
JP5 |
JP6 |
JP7 |
JP8 |
JP9 |
CX486SX |
2 & 3, 4 & 5 |
2 & 3 |
1 & 2, 3 & 4 |
2 & 3 |
2 & 3 |
SL80486SX |
3 & 4 |
4 & 5 |
2 & 3 |
2 & 3 |
2 & 3 |
80486SX |
Open |
Open |
Open |
2 & 3 |
2 & 3 |
CX486DX |
2 & 3 |
2 & 3 |
1 & 2, 3 & 4 |
1 & 2 |
2 & 3 |
SL80486DX |
3 & 4 |
4 & 5 |
2 & 3 |
1 & 2 |
2 & 3 |
80486DX |
Open |
Open |
Open |
1 & 2 |
2 & 3 |
SL80486DX2 |
3 & 4 |
4 & 5 |
2 & 3 |
1 & 2 |
2 & 3 |
80486DX2 |
1 & 2, 3 & 4 |
4 & 5 |
2 & 3 |
1 & 2 |
1 & 2 |
80486DX4 |
3 & 4 |
4 & 5 |
2 & 3 |
1 & 2 |
2 & 3 |
Pentium Overdrive |
3 & 4 |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION (CONT) | |||||
Type |
JP10 |
JP11 |
JP12 |
JP13 |
JP14 |
CX486SX |
Closed |
Open |
2 & 3 |
2 & 3 |
Open |
SL80486SX |
Closed |
1 & 2 |
Open |
Open |
Open |
80486SX |
Closed |
Open |
Open |
Open |
Open |
CX486DX |
Closed |
Open |
2 & 3 |
2 & 3 |
2 & 3 |
SL80486DX |
Closed |
1 & 2 |
Open |
Open |
2 & 3 |
80486DX |
Closed |
Open |
Open |
Open |
2 & 3 |
SL80486DX2 |
Closed |
1 & 2 |
Open |
Open |
2 & 3 |
80486DX2 |
Closed |
2 & 3 |
Open |
1 & 2 |
2 & 3 |
80486DX4 |
Open |
1 & 2 |
Open |
Open |
2 & 3 |
Pentium Overdrive |
Closed |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION (CONT) | |||||
Type |
JP16 |
JP18 |
JP19 |
JP24 |
JP25 |
CX486SX |
Open |
Open |
Open |
1 & 2 |
2 & 3 |
SL80486SX |
Open |
Open |
Open |
2 & 3 |
1 & 2 |
80486SX |
Open |
Open |
Open |
2 & 3 |
1 & 2 |
CX486DX |
Open |
Open |
Closed |
1 & 2 |
2 & 3 |
SL80486DX |
Open |
Open |
Closed |
2 & 3 |
1 & 2 |
80486DX |
Open |
Open |
Closed |
2 & 3 |
1 & 2 |
SL80486DX2 |
Open |
Open |
Closed |
2 & 3 |
1 & 2 |
80486DX2 |
Closed |
Closed |
Closed |
2 & 3 |
1 & 2 |
80486DX4 |
Open |
Open |
Closed |
2 & 3 |
1 & 2 |
Pentium Overdrive |
Open |
Open |
Closed |
1 & 2 |
1 & 2 |
Note: Pins designated should be in the closed position. |
CPU SPEED CONFIGURATION | ||||||
Speed |
JP1 |
JP2 |
JP3 |
JP4 |
JP30 |
JP31 |
25MHz |
Open |
Closed |
Closed |
Open |
1 & 2 |
1 & 2 |
33MHz |
Open |
Open |
Closed |
Closed |
1 & 2 |
1 & 2 |
40MHz |
Open |
Closed |
Open |
Open |
2 & 3 |
2 & 3 |
50iMHz |
Open |
Closed |
Closed |
Open |
1 & 2 |
1 & 2 |
50MHz |
Closed |
Closed |
Closed |
Open |
2 & 3 |
2 & 3 |
66iMHz |
Open |
Open |
Closed |
Closed |
1 & 2 |
1 & 2 |
83iMHz |
Open |
Open |
Closed |
Closed |
1 & 2 |
1 & 2 |
100iMHz |
Open |
Open |
Closed |
Closed |
1 & 2 |
1 & 2 |
100iMHz |
Closed |
Closed |
Closed |
Open |
2 & 3 |
2 & 3 |
Note: Pins designated should be in the closed position. |
CPU CORE FREQUENCY CONFIGURATION | |
CPU Type |
JP15 |
Non 80486DX4 |
Open |
80486DX4-33/83 |
pins 2 & 3 closed |
80486DX4-33/100 |
Open |
80486DX4-50/100 |
pins 1 & 2 closed |