IBM CORPORATION
PC300 (TYPE 6272, 6282)
|
Device Type |
Mainboard |
|
Processor |
Pentium |
|
Processor Speed |
75/90/100/120/133/150/166/200/233MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
Unidentified |
|
Maximum Onboard Memory |
128MB (EDO & SDRAM supported) |
|
Maximum Video Memory |
Unidentified |
|
Cache |
256/512KB |
|
BIOS |
Unidentified |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Ethernet 10BaseT connector, AUI connector, floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, riser slot, cache slot, USB connectors (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
5v power |
C1 |
Serial port 2 |
CN8 |
|
5v auxiliary power |
C2 |
AUI connector |
CN9 |
|
LAN LED |
C4 |
Floppy drive interface |
CN10 |
|
Chassis fan power |
C5 |
IDE interface 1 |
CN11 |
|
3.3v power |
C6 |
IDE interface 2 |
CN12 |
|
VGA port |
CN1 |
VGA feature connector |
CN13 |
|
Parallel port |
CN2 |
Power switch connector |
J7 |
|
USB connector 2 |
CN3 |
Power LED/IDE interface LED |
J8 |
|
USB connector 1 |
CN4 |
Wake on modem connector |
J27 |
|
PS/2 mouse port |
CN5 |
Wake on LAN connector |
J28 |
|
Serial port 1 |
CN6 |
Riser slot |
SL1 |
|
Ethernet 10BaseT connector |
CN7 |
Cache slot |
SL2 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
CMOS memory normal operation |
J6 |
Pins 1 & 2 closed |
|
CMOS memory clear |
J6 |
Pins 2 & 3 closed | |
|
|
Factory configured - do not alter |
SW1/5 |
Off |
|
|
Floppy drive normal operation |
SW1/6 |
Off |
|
|
Floppy drive read only |
SW1/6 |
On |
|
DIMM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
8MB |
(1) 1M x 64 |
None |
|
16MB |
(1) 2M x 64 |
None |
|
16MB |
(1) 1M x 64 |
(1) 1M x 64 |
|
24MB |
(1) 2M x 64 |
(1) 1M x 64 |
|
32MB |
(1) 4M x 64 |
None |
|
32MB |
(1) 2M x 64 |
(1) 2M x 64 |
|
40MB |
(1) 4M x 64 |
(1) 1M x 64 |
|
48MB |
(1) 4M x 64 |
(1) 2M x 64 |
|
64MB |
(1) 8M x 64 |
None |
|
64MB |
(1) 4M x 64 |
(1) 4M x 64 |
|
72MB |
(1) 8M x 64 |
(1) 1M x 64 |
|
80MB |
(1) 8M x 64 |
(1) 2M x 64 |
|
96MB |
(1) 8M x 64 |
(1) 4M x 64 |
|
128MB |
(1) 8M x 64 |
(1) 8M x 64 |
|
Note: Board accepts EDO & SDRAM memory. | ||
|
CACHE CONFIGURATION | |
|
Size |
SL2 |
|
256KB |
256KB module installed |
|
512KB |
512KB module installed |
|
VIDEO MEMORY CONFIGURATION |
|
Note: The size location of the video memory is unidentified. |
|
CPU SPEED SELECTION | ||||||
|
CPU speed |
Clock speed |
Multiplier |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
|
75MHz |
50MHz |
1.5x |
Off |
Off |
On |
On |
|
90MHz |
60MHz |
1.5x |
Off |
Off |
On |
Off |
|
100MHz |
66MHz |
1.5x |
Off |
Off |
Off |
On |
|
120MHz |
60MHz |
2x |
On |
Off |
On |
Off |
|
133MHz |
66MHz |
2x |
On |
Off |
Off |
On |
|
150MHz |
60MHz |
2.5x |
On |
On |
On |
Off |
|
166MHz |
66MHz |
2.5x |
On |
On |
Off |
On |
|
200MHz |
66MHz |
3x |
Off |
On |
Off |
On |
|
233MHz |
66MHz |
3.5x |
Off |
Off |
Off |
On |