IBM CORPORATION
PC300 (TYPE 6588)
Device Type |
Mainboard |
Processor |
Pentium II |
Processor Speed |
233/266/300MHz |
Chip Set |
Unidentified |
Video Chip Set |
Unidentified |
Maximum Onboard Memory |
512MB (EDO supported) |
Maximum Video Memory |
Unidentified |
Cache |
256/512KB (located on Pentium II CPU) |
BIOS |
Unidentified |
Dimensions |
330mm x 218mm |
I/O Options |
Ethernet 10BaseT connector, floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial port, VGA feature connector, VGA port, riser slot, IR connector, USB connectors (2), line in, line out, wavetable connector, audio in – CD-ROM |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
5v auxiliary power |
C1 |
Ethernet 10BaseT connector |
CN2 |
Telejack connector |
C2 |
USB connector 2 |
CN3 |
Audio in - CD-ROM |
C3 |
USB connector 1 |
CN4 |
Wavetable connector |
C4 |
Parallel port |
CN5 |
5v power |
C5 |
PS/2 mouse port |
CN6 |
3.3v auxiliary power |
C6 |
Line out |
CN7 |
Power switch connector |
C7 |
Line in |
CN8 |
Power LED/IDE interface LED |
C8 |
VGA feature connector |
CN9 |
CPU fan power |
C9 |
Floppy drive interface |
CN10 |
Chassis fan power |
C10 |
IDE interface 2 |
CN11 |
SCSI interface LED |
C11 |
IDE interface 1 |
CN12 |
Wake on LAN connector |
C12 |
IR connector |
J3M1 |
Wake on modem connector |
C13 |
Serial port |
J4M1 |
Chassis security connector |
C14 |
Riser slot |
SL1 |
VGA port |
CN1 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
» |
Flash BIOS normal operation |
J1 |
Pins 5 & 6 closed |
Flash BIOS recovery mode |
J1 |
Pins 4 & 5 closed | |
Floppy drive normal operation |
J2 |
Pins 5 & 6 closed | |
Floppy drive read only |
J2 |
Pins 4 & 5 closed | |
» |
Factory configured - do not alter |
J4 |
Pins 2 & 3 closed |
» |
CMOS memory normal operation |
J4 |
Pins 5 & 6 closed |
CMOS memory clear |
J4 |
Pins 4 & 5 closed | |
Password normal operation |
J5 |
Pins 2 & 3 closed | |
Password clear |
J5 |
Pins 1 & 2 closed | |
Setup access normal operation |
J5 |
Pins 5 & 6 closed | |
Setup access disabled |
J5 |
Pins 4 & 5 closed |
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 |
32MB |
(1) 1M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
DIMM CONFIGURATION (CON’T) | |||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
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 |
64MB |
(1) 2M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
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 |
512MB |
(1) 32M x 64 |
(1) 32M x 64 |
None |
Note: Board accepts EDO memory. |
CACHE CONFIGURATION |
Note: 256KB/512KB cache is located on the Pentium II CPU. |
VIDEO MEMORY CONFIGURATION |
Note: The size and location of the video memory is unidentified. |
CPU SPEED SELECTION | ||||
CPU speed |
Clock speed |
Multiplier |
J2 |
J3 |
233MHz |
66MHz |
3.5x |
2 & 3 |
2 & 3, 5 & 6 |
266MHz |
66MHz |
4x |
1 & 2 |
1 & 2, 4 & 5 |
300MHz |
66MHz |
4.5x |
1 & 2 |
2 & 3, 4 & 5 |
Note: Pins designated should be in the closed position. |