IBM CORPORATION
PC300 (TYPE 6562, 6592)
Device Type | Mainboard |
Processor | Pentium Pro |
Processor Speed | 166/200/233MHz |
Chip Set | Unidentified |
Video Chip Set | Unidentified |
Maximum Onboard Memory | 384MB (EDO supported) |
Maximum Video Memory | Unidentified |
Cache | 256/512KB (located on Pentium Pro CPU) |
BIOS | Unidentified |
Dimensions | 330mm x 218mm |
I/O Options | Ethernet 10BaseT connector, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, IR connector, USB connectors (2), line in, line out |
NPU Options | None |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
VGA port | CN1 | Line in | CN9 |
PS/2 mouse port | CN2 | Line out | CN10 |
Serial port 2 | CN3 | Rainbow Runner connector | CN11 |
Serial port 1 | CN4 | Matrox Rainbow Runner connector | CN12 |
USB connector 2 | CN5 | VGA feature connector | CN13 |
USB connector 1 | CN6 | IR connector | CN14 |
Parallel port | CN7 | Rainbow Runner connector | CN15 |
Ethernet 10BaseT connector | CN8 | ||
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
» | CMOS memory normal operation | J15 | Pins 1 & 2 closed |
CMOS memory clear | J15 | Pins 2 & 3 closed | |
» | Factory configured - do not alter | SW1/5 | Off |
» | Ethernet enabled | SW1/6 | Off |
Ethernet disabled | SW1/6 | On | |
» | Password disabled | SW1/7 | Off |
Password enabled | SW1/7 | On | |
» | Floppy drive normal operation | SW1/8 | Off |
Floppy drive read only | SW1/8 | On | |
DIMM CONFIGURATION | |||
Size | Bank 0 | Bank 1 | Bank 2 |
8MB | (1) 1M x 64 | None | None |
16MB | (1) 2M x 64 | None | None |
16MB | (1) 1M x 64 | (1) 1M x 64 | None |
24MB | (1) 2M x 64 | (1) 1M x 64 | None |
24MB | (1) 1M x 64 | (1) 1M x 64 | (1) 1M x 64 |
32MB | (1) 4M x 64 | None | None |
32MB | (1) 2M x 64 | (1) 1M x 64 | (1) 1M x 64 |
32MB | (1) 2M x 64 | (1) 2M x 64 | None |
40MB | (1) 4M x 64 | (1) 1M x 64 | None |
40MB | (1) 2M x 64 | (1) 2M x 64 | (1) 1M x 64 |
48MB | (1) 4M x 64 | (1) 1M x 64 | (1) 1M x 64 |
48MB | (1) 4M x 64 | (1) 2M x 64 | None |
48MB | (1) 2M x 64 | (1) 2M x 64 | (1) 2M x 64 |
56MB | (1) 4M x 64 | (1) 2M x 64 | (1) 1M x 64 |
64MB | (1) 8M x 64 | None | None |
64MB | (1) 4M x 64 | (1) 4M x 64 | None |
DIMM CONFIGURATION (CON’T) | |||
Size | Bank 0 | Bank 1 | Bank 2 |
72MB | (1) 8M x 64 | (1) 1M x 64 | None |
72MB | (1) 4M x 64 | (1) 4M x 64 | (1) 1M x 64 |
80MB | (1) 8M x 64 | (1) 1M x 64 | (1) 1M x 64 |
80MB | (1) 4M x 64 | (1) 4M x 64 | (1) 2M x 64 |
88MB | (1) 8M x 64 | (1) 2M x 64 | (1) 1M x 64 |
96MB | (1) 8M x 64 | (1) 2M x 64 | (1) 2M x 64 |
96MB | (1) 4M x 64 | (1) 4M x 64 | (1) 4M x 64 |
104MB | (1) 8M x 64 | (1) 4M x 64 | (1) 1M x 64 |
112MB | (1) 8M x 64 | (1) 4M x 64 | (1) 2M x 64 |
128MB | (1) 16M x 64 | None | None |
128MB | (1) 8M x 64 | (1) 4M x 64 | (1) 4M x 64 |
128MB | (1) 8M x 64 | (1) 8M x 64 | None |
144MB | (1) 16M x 64 | (1) 1M x 64 | (1) 1M x 64 |
144MB | (1) 16M x 64 | (1) 2M x 64 | None |
144MB | (1) 8M x 64 | (1) 8M x 64 | (1) 2M x 64 |
152MB | (1) 16M x 64 | (1) 2M x 64 | (1) 1M x 64 |
160MB | (1) 16M x 64 | (1) 2M x 64 | (1) 2M x 64 |
160MB | (1) 8M x 64 | (1) 8M x 64 | (1) 4M x 64 |
168MB | (1) 16M x 64 | (1) 4M x 64 | (1) 1M x 64 |
176MB | (1) 16M x 64 | (1) 4M x 64 | (1) 2M x 64 |
192MB | (1) 16M x 64 | (1) 4M x 64 | (1) 4M x 64 |
192MB | (1) 8M x 64 | (1) 8M x 64 | (1) 8M x 64 |
200MB | (1) 16M x 64 | (1) 8M x 64 | (1) 1M x 64 |
208MB | (1) 16M x 64 | (1) 8M x 64 | (1) 2M x 64 |
224MB | (1) 16M x 64 | (1) 8M x 64 | (1) 4M x 64 |
256MB | (1) 16M x 64 | (1) 8M x 64 | (1) 8M x 64 |
384MB | (1) 16M x 64 | (1) 16M x 64 | (1) 16M x 64 |
Note: Board accepts EDO memory. | |||
CACHE CONFIGURATION |
Note: 256KB/512KB cache is located on the Pentium Pro CPU. |
VIDEO MEMORY CONFIGURATION |
Note: The size and location of the video memory is unidentified. |
CPU SPEED SELECTION | ||||||
CPU speed | Clock speed | Multiplier | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
166MHz | 66MHz | 2.5x | On | On | On | Off |
200MHz | 66MHz | 3x | Off | On | On | Off |
233MHz | 66MHz | 3.5x | Off | Off | On | Off |