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 |