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 |
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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 |