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. | ||