IBM CORPORATION
PC 730, PC 750
Processor |
Pentium |
Processor Speed |
60/90MHz |
Chip Set |
Unidentified |
Video Chip Set |
Unidentified |
Maximum Onboard Memory |
192MB |
Maximum Video Memory |
Unidentified |
Cache |
256/1024KB |
BIOS |
Unidentified |
Dimensions |
330mm x 218mm |
I/O Options |
Floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA port, riser slot, CD-ROM audio interface, audio line in connector, audio line out connector |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Audio line out connector |
CN1 |
Floppy drive interface |
CN8 |
Audio line in connector |
CN2 |
IDE interface |
CN9 |
PS/2 mouse port |
CN3 |
IDE interface |
CN10 |
Serial port |
CN4 |
CD-ROM audio interface |
JP1 |
Serial port |
CN5 |
On/off switch connector |
J37 |
Parallel port |
CN6 |
On/off switch power supply connector |
J38 |
VGA port |
CN7 |
Riser slot |
SL1 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
» |
Factory configured - do not alter |
60/66 |
Unidentified |
Jumper information unavailable |
J1 |
Unidentified | |
Jumper information unavailable |
J2 |
Unidentified | |
PS/2 mouse enabled |
J28 |
Pins 1 & 2 closed | |
PS/2 mouse disabled |
J28 |
Pins 2 & 3 closed | |
» |
Modem answers on ring |
MRD |
Pins 2 & 3 closed |
Modem does not answer on ring |
MRD |
Pins 1 & 2 closed | |
» |
Password normal operation |
PWD |
Pins 1 & 2 closed |
Password clear |
PWD |
Pins 2 & 3 closed | |
» |
Floppy drive write protect disabled |
WP |
Pins 1 & 2 closed |
Floppy drive write protect enabled |
WP |
Pins 2 & 3 closed |
DRAM CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
8MB |
(2) 1M x 36 |
None |
None |
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
None |
16MB |
(2) 2M x 36 |
None |
None |
24MB |
(2) 1M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
24MB |
(2) 2M x 36 |
(2) 1M x 36 |
None |
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
None |
32MB |
(2) 4M x 36 |
None |
None |
40MB |
(2) 2M x 36 |
(2) 2M x 36 |
(2) 1M x 36 |
40MB |
(2) 4M x 36 |
(2) 1M x 36 |
None |
48MB |
(2) 2M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
48MB |
(2) 4M x 36 |
(2) 2M x 36 |
None |
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
None |
64MB |
(2) 8M x 36 |
None |
None |
72MB |
(2) 4M x 36 |
(2) 4M x 36 |
(2) 1M x 36 |
72MB |
(2) 8M x 36 |
(2) 1M x 36 |
None |
80MB |
(2) 4M x 36 |
(2) 4M x 36 |
(2) 2M x 36 |
80MB |
(2) 8M x 36 |
(2) 2M x 36 |
None |
96MB |
(2) 4M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
DRAM CONFIGURATION (CON’T) | |||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
96MB |
(2) 8M x 36 |
(2) 4M x 36 |
None |
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
None |
136MB |
(2) 8M x 36 |
(2) 8M x 36 |
(2) 1M x 36 |
144MB |
(2) 8M x 36 |
(2) 8M x 36 |
(2) 2M x 36 |
160MB |
(2) 8M x 36 |
(2) 8M x 36 |
(2) 4M x 36 |
192MB |
(2) 8M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
CACHE CONFIGURATION | ||
Size |
Bank 0 |
TAG |
256KB |
(8) 32K x 8 |
Unidentified |
1MB |
(8) 64K x 8 |
Unidentified |
CACHE JUMPER CONFIGURATION | ||||
Size |
J3 |
J4 |
J5 |
J6 |
256KB |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
1MB |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
VIDEO MEMORY CONFIGURATION | |
Size |
Bank 0 |
1MB |
(2) 256K x 16 |
Note: The maximum memory size is unidentified. This configuration is for an upgrade. |
CPU BUS - CORE SELECTION | ||
Bus - Core |
J101 |
J101 |
1/2 |
Pins 2 & 3 closed |
Closed |
2/3 |
Pins 1 & 2 closed |
Open |
Note: Depending on board version, J101 will be either a 2-pin or 3-pin jumper. |