TMC RESEARCH CORPORATION
PET48PM
|
Processor |
80486SX/80487SX/80486DX/80486DX2/SL Pentium Overdrive/Pentium Overdrive |
|
Processor Speed |
25/33/40/50(internal)/66(internal)MHz |
|
Chip Set |
OPTI |
|
Max. Onboard DRAM |
256MB |
|
Cache |
128/256KB |
|
BIOS |
Unidentified |
|
Dimensions |
330mm x 254mm |
|
I/O Options |
32-bit VESA local bus slots (3) |
|
NPU Options |
None |

|
CONNECTIONS |
|||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
J2 |
Reset switch |
J7 pins 9 & 19 |
|
Hard drive LED from controller |
J3 |
Hard drive LED to case |
J7 pins 10 & 20 |
|
Speaker |
J7 pins 1 - 4 |
Power LED & keylock |
J7 pins 11 - 15 |
|
Turbo switch |
J7 pins 7 & 17 |
32-bit VESA local bus slots |
SL1 - SL3 |
|
Turbo LED |
J7 pins 8 & 18 |
|
|
|
USER CONFIGURABLE SETTINGS |
|||
|
Function |
Jumper |
Position |
|
|
» |
CMOS memory normal operation |
JP1 pins 1 & 2 |
Open |
|
|
CMOS memory clear |
JP1 pins 1 & 2 |
Closed |
|
» |
Battery type select internal |
JP1 pins 2 & 3 |
Closed |
|
|
Battery type select external |
JP1 pins 2 & 3 |
Open |
|
» |
Monitor type select color |
JP2 |
Closed |
|
|
Monitor type select monochrome |
JP2 |
Open |
|
» |
ADS delay disabled (CPU £ 33MHz) |
JP7 |
pins 1 & 2 closed |
|
|
ADS delay enabled (CPU >33MHz) |
JP7 |
pins 2 & 3 closed |
|
DRAM CONFIGURATION 1 |
||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
|
8MB |
(1) 2M x 36 |
NONE |
NONE |
NONE |
|
12MB |
(1) 2M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
|
24MB |
(1) 2M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
32MB |
(1) 8M x 36 |
NONE |
NONE |
NONE |
|
36MB |
(1) 8M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
40MB |
(1) 2M x 36 |
(1) 8M x 36 |
NONE |
NONE |
|
40MB |
(1) 8M x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
48MB |
(1) 8M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
NONE |
|
64MB |
(1) 16M x 36 |
NONE |
NONE |
NONE |
|
72MB |
(1) 2M x 36 |
(1) 16M x 36 |
NONE |
NONE |
|
96MB |
(1) 8M x 36 |
(1) 16M x 36 |
NONE |
NONE |
|
128MB |
(1) 32M x 36 |
NONE |
NONE |
NONE |
|
132MB |
(1) 32M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
136MB |
(1) 2M x 36 |
(1) 32M x 36 |
NONE |
NONE |
|
136MB |
(1) 32M x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
144MB |
(1) 32M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
160MB |
(1) 8M x 36 |
(1) 32M x 36 |
NONE |
NONE |
|
160MB |
(1) 32M x 36 |
(1) 8M x 36 |
NONE |
NONE |
|
192MB |
(1) 32M x 36 |
(1) 16M x 36 |
NONE |
NONE |
|
256MB |
(1) 32M x 36 |
(1) 32M x 36 |
NONE |
NONE |
|
DRAM CONFIGURATION 2 |
||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(4) 1M x 9 |
NONE |
|
DRAM CONFIGURATION 2 (CON'T) |
||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
|
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(4) 4M x 9 |
NONE |
|
24MB |
(1) 1M x 36 |
(1) 4M x 36 |
(4) 1M x 9 |
NONE |
|
28MB |
(1) 1M x 36 |
(1) 1M x 36 |
(4) 4M x 9 |
(4) 1M x 9 |
|
28MB |
(1) 1M x 36 |
(1) 4M x 36 |
(4) 1M x 9 |
(4) 1M x 9 |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
36MB |
(1) 1M x 36 |
(1) 4M x 36 |
(4) 4M x 9 |
NONE |
|
36MB |
(1) 4M x 36 |
(1) 4M x 36 |
(4) 1M x 9 |
NONE |
|
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(4) 4M x 9 |
(4) 4M x 9 |
|
40MB |
(1) 1M x 36 |
(1) 4M x 36 |
(4) 4M x 9 |
(4) 1M x 9 |
|
40MB |
(1) 4M x 36 |
(1) 4M x 36 |
(4) 1M x 9 |
(4) 1M x 9 |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(4) 4M x 9 |
NONE |
|
52MB |
(1) 1M x 36 |
(1) 4M x 36 |
(4) 4M x 9 |
(4) 4M x 9 |
|
52MB |
(1) 4M x 36 |
(1) 4M x 36 |
(4) 4M x 9 |
(4) 1M x 9 |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(4) 4M x 9 |
(4) 4M x 9 |
|
64MB |
(1) 16M x 36 |
NONE |
NONE |
NONE |
|
72MB |
(1) 1M x 36 |
(1) 1M x 36 |
(4) 16M x 9 |
NONE |
|
80MB |
(1) 4M x 36 |
(1) 16M x 36 |
NONE |
NONE |
|
84MB |
(1) 1M x 36 |
(1) 4M x 36 |
(4) 16M x 9 |
NONE |
|
84MB |
(1) 4M x 36 |
(1) 16M x 36 |
(4) 1M x 9 |
NONE |
|
88MB |
(1) 1M x 36 |
(1) 1M x 36 |
(4) 4M x 9 |
(4) 16M x 9 |
|
88MB |
(1) 4M x 36 |
(1) 16M x 36 |
(4) 1M x 9 |
(4) 1M x 9 |
|
96MB |
(1) 4M x 36 |
(1) 4M x 36 |
(4) 16M x 9 |
NONE |
|
96MB |
(1) 4M x 36 |
(1) 16M x 36 |
(4) 4M x 9 |
NONE |
|
100MB |
(1) 1M x 36 |
(1) 4M x 36 |
(4) 4M x 9 |
(4) 16M x 9 |
|
100MB |
(1) 4M x 36 |
(1) 16M x 36 |
(4) 4M x 9 |
(4) 1M x 9 |
|
112MB |
(1) 4M x 36 |
(1) 4M x 36 |
(4) 4M x 9 |
(4) 16M x 9 |
|
112MB |
(1) 4M x 36 |
(1) 16M x 36 |
(4) 4M x 9 |
(4) 4M x 9 |
|
128MB |
(1) 16M x 36 |
(1) 16M x 36 |
NONE |
NONE |
|
132MB |
(1) 16M x 36 |
(1) 16M x 36 |
(4) 1M x 9 |
NONE |
|
136MB |
(1) 1M x 36 |
(1) 1M x 36 |
(4) 16M x 9 |
(4) 16M x 9 |
|
136MB |
(1) 16M x 36 |
(1) 16M x 36 |
(4) 1M x 9 |
(4) 1M x 9 |
|
144MB |
(1) 4M x 36 |
(1) 16M x 36 |
(4) 16M x 9 |
NONE |
|
144MB |
(1) 16M x 36 |
(1) 16M x 36 |
(4) 4M x 9 |
NONE |
|
148MB |
(1) 1M x 36 |
(1) 4M x 36 |
(4) 16M x 9 |
(4) 16M x 9 |
|
148MB |
(1) 16M x 36 |
(1) 16M x 36 |
(4) 4M x 9 |
(4) 1M x 9 |
|
160MB |
(1) 4M x 36 |
(1) 4M x 36 |
(4) 16M x 9 |
(4) 16M x 9 |
|
160MB |
(1) 4M x 36 |
(1) 16M x 36 |
(4) 4M x 9 |
(4) 16M x 9 |
|
160MB |
(1) 16M x 36 |
(1) 16M x 36 |
(4) 4M x 9 |
(4) 4M x 9 |
|
192MB |
(1) 16M x 36 |
(1) 16M x 36 |
(4) 16M x 9 |
NONE |
|
208MB |
(1) 4M x 36 |
(1) 16M x 36 |
(4) 16M x 9 |
(4) 16M x 9 |
|
208MB |
(1) 16M x 36 |
(1) 16M x 36 |
(4) 4M x 9 |
(4) 16M x 9 |
|
256MB |
(1) 16M x 36 |
(1) 16M x 36 |
(4) 16M x 9 |
(4) 16M x 9 |
|
DRAM CONFIGURATION 3 |
||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
4MB |
NONE |
NONE |
(4) 1M x 9 |
NONE |
|
8MB |
NONE |
NONE |
(4) 1M x 9 |
(4) 1M x 9 |
|
12MB |
(1) 1M x 36 |
NONE |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(1) 2M x 36 |
NONE |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
NONE |
NONE |
(4) 4M x 9 |
NONE |
|
20MB |
NONE |
NONE |
(4) 1M x 9 |
(4) 4M x 9 |
|
24MB |
(1) 4M x 36 |
NONE |
(4) 1M x 9 |
(4) 1M x 9 |
|
24MB |
(1) 1M x 36 |
NONE |
(4) 1M x 9 |
(4) 4M x 9 |
|
28MB |
(1) 2M x 36 |
NONE |
(4) 1M x 9 |
(4) 4M x 9 |
|
28MB |
(1) 4M x 36 |
(1) 1M x 36 |
(4) 1M x 9 |
(4) 1M x 9 |
|
28MB |
(1) 1M x 36 |
(1) 1M x 36 |
(4) 1M x 9 |
(4) 4M x 9 |
|
32MB |
NONE |
NONE |
(4) 4M x 9 |
(4) 4M x 9 |
|
36MB |
(1) 4M x 36 |
NONE |
(4) 1M x 9 |
(4) 4M x 9 |
|
36MB |
(1) 1M x 36 |
NONE |
(4) 4M x 9 |
(4) 4M x 9 |
|
40MB |
(1) 8M x 36 |
NONE |
(4) 1M x 9 |
(4) 1M x 9 |
|
40MB |
(1) 2M x 36 |
NONE |
(4) 4M x 9 |
(4) 4M x 9 |
|
40MB |
(1) 4M x 36 |
(1) 4M x 36 |
(4) 1M x 9 |
(4) 1M x 9 |
|
40MB |
(1) 4M x 36 |
(1) 1M x 36 |
(4) 1M x 9 |
(4) 4M x 9 |
|
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(4) 4M x 9 |
(4) 4M x 9 |
|
48MB |
(1) 4M x 36 |
NONE |
(4) 4M x 9 |
(4) 4M x 9 |
|
52MB |
(1) 8M x 36 |
NONE |
(4) 1M x 9 |
(4) 4M x 9 |
|
52MB |
(1) 4M x 36 |
(1) 4M x 36 |
(4) 1M x 9 |
(4) 4M x 9 |
|
52MB |
(1) 4M x 36 |
(1) 1M x 36 |
(4) 4M x 9 |
(4) 4M x 9 |
|
64MB |
(1) 8M x 36 |
NONE |
(4) 4M x 9 |
(4) 4M x 9 |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(4) 4M x 9 |
(4) 4M x 9 |
|
64MB |
NONE |
NONE |
(4) 16M x 9 |
NONE |
|
72MB |
(1) 16M x 36 |
NONE |
(4) 1M x 9 |
(4) 1M x 9 |
|
80MB |
NONE |
NONE |
(4) 4M x 9 |
(4) 16M x 9 |
|
84MB |
(1) 16M x 36 |
NONE |
(4) 1M x 9 |
(4) 4M x 9 |
|
84MB |
(1) 1M x 36 |
NONE |
(4) 4M x 9 |
(4) 16M x 9 |
|
88MB |
(1) 2M x 36 |
NONE |
(4) 4M x 9 |
(4) 16M x 9 |
|
88MB |
(1) 4M x 36 |
(1) 16M x 36 |
(4) 1M x 9 |
(4) 1M x 9 |
|
88MB |
(1) 1M x 36 |
(1) 1M x 36 |
(4) 4M x 9 |
(4) 16M x 9 |
|
96MB |
(1) 16M x 36 |
NONE |
(4) 4M x 9 |
(4) 4M x 9 |
|
96MB |
(1) 4M x 36 |
NONE |
(4) 4M x 9 |
(4) 16M x 9 |
|
100MB |
(1) 4M x 36 |
(1) 16M x 36 |
(4) 1M x 9 |
(4) 4M x 9 |
|
100MB |
(1) 4M x 36 |
(1) 1M x 36 |
(4) 4M x 9 |
(4) 16M x 9 |
|
112MB |
(1) 8M x 36 |
NONE |
(4) 4M x 9 |
(4) 16M x 9 |
|
112MB |
(1) 4M x 36 |
(1) 16M x 36 |
(4) 4M x 9 |
(4) 4M x 9 |
|
112MB |
(1) 4M x 36 |
(1) 4M x 36 |
(4) 4M x 9 |
(4) 16M x 9 |
|
128MB |
NONE |
NONE |
(4) 16M x 9 |
(4) 16M x 9 |
|
132MB |
(1) 1M x 36 |
NONE |
(4) 16M x 9 |
(4) 16M x 9 |
|
DRAM CONFIGURATION 3 (CON'T) |
||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
136MB |
(1) 2M x 36 |
NONE |
(4) 16M x 9 |
(4) 16M x 9 |
|
136MB |
(1) 32M x 36 |
NONE |
(4) 1M x 9 |
(4) 1M x 9 |
|
136MB |
(1) 16M x 36 |
(1) 16M x 36 |
(4) 1M x 9 |
(4) 1M x 9 |
|
136MB |
(1) 1M x 36 |
(1) 1M x 36 |
(4) 16M x 9 |
(4) 16M x 9 |
|
144MB |
(1) 16M x 36 |
NONE |
(4) 4M x 9 |
(4) 16M x 9 |
|
144MB |
(1) 4M x 36 |
NONE |
(4) 16M x 9 |
(4) 16M x 9 |
|
148MB |
(1) 32M x 36 |
NONE |
(4) 1M x 9 |
(4) 4M x 9 |
|
148MB |
(1) 16M x 36 |
(1) 16M x 36 |
(4) 1M x 9 |
(4) 4M x 9 |
|
148MB |
(1) 4M x 36 |
(1) 1M x 36 |
(4) 16M x 9 |
(4) 16M x 9 |
|
160MB |
(1) 8M x 36 |
NONE |
(4) 16M x 9 |
(4) 16M x 9 |
|
160MB |
(1) 32M x 36 |
NONE |
(4) 4M x 9 |
(4) 4M x 9 |
|
160MB |
(1) 16M x 36 |
(1) 16M x 36 |
(4) 4M x 9 |
(4) 4M x 9 |
|
160MB |
(1) 4M x 36 |
(1) 16M x 36 |
(4) 4M x 9 |
(4) 16M x 9 |
|
160MB |
(1) 4M x 36 |
(1) 4M x 36 |
(4) 16M x 9 |
(4) 16M x 9 |
|
192MB |
(1) 16M x 36 |
NONE |
(4) 16M x 9 |
(4) 16M x 9 |
|
208MB |
(1) 32M x 36 |
NONE |
(4) 4M x 9 |
(4) 16M x 9 |
|
208MB |
(1) 16M x 36 |
(1) 16M x 36 |
(4) 4M x 9 |
(4) 16M x 9 |
|
208MB |
(1) 4M x 36 |
(1) 16M x 36 |
(4) 16M x 9 |
(4) 16M x 9 |
|
256MB |
(1) 32M x 36 |
NONE |
(4) 16M x 9 |
(4) 16M x 9 |
|
256MB |
(1) 16M x 36 |
(1) 16M x 36 |
(4) 16M x 9 |
(4) 16M x 9 |
|
DRAM RESISTOR CONFIGURATION |
|||
|
Configuration |
RND |
RNE |
RNF |
|
1 |
Installed |
Not installed |
Not installed |
|
2 |
Not installed |
Installed |
Not installed |
|
3 |
Not installed |
Not installed |
Installed |
|
CACHE CONFIGURATION |
|||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 16K x 8 |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 32K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 16K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION |
||
|
Size |
JP5 |
JP6 |
|
128KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
256KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
CPU TYPE CONFIGURATION |
|||
|
Setting |
RNA |
RNB |
RNC |
|
80486SX |
Not installed |
Not installed |
Installed |
|
80487SX |
Not installed |
Installed |
Not installed |
|
80486DX |
Installed |
Not installed |
Not installed |
|
80486DX2 |
Installed |
Not installed |
Not installed |
|
SL Pentium Overdrive |
Not installed |
Installed |
Not installed |
|
Pentium Overdrive |
Not installed |
Installed |
Not installed |
|
CPU SPEED CONFIGURATION |
|||
|
Speed |
RNG1 |
RNG2 |
RNG3 |
|
25MHz |
Installed |
Not installed |
Not installed |
|
33MHz |
Not installed |
Installed |
Not installed |
|
40MHz |
Not installed |
Not installed |
Installed |
|
50iMHz |
Installed |
Not installed |
Not installed |
|
66iMHz |
Not installed |
Installed |
Not installed |
|
VESA WAIT STATE CONFIGURATION |
||
|
Speed |
RNG3 |
|
|
» |
VESA wait state select 1 wait states |
Closed |
|
|
VESA wait state select 0 wait state |
Open |
|
VESA LOCAL BUS SPEED CONFIGURATION |
||
|
Speed |
RNG3 |
|
|
» |
>33MHz |
Closed |
|
|
£ 33MHz |
Open |