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59.925 bytes |
Service Hints & Tips |
Document ID: GSMH-3FHFB9 |
IBM PC730/PC750 - System board
Applicable to: World-Wide
PC 730/750 Series (Type 6875, 6876, 6885, 6886) - Pentium 75/90/100/120/133 MHz System Board:
PC 730/750 Series (Type 6875, 6876, 6885, 6886) - Pentium 75/90/100/120/133 MHz System Board Locations:
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1 |
Riser connector |
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2 - J15 |
Modem Ring Detect connector |
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3 - J29 |
Diskette drive write protect jumper |
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4 |
Diskette drive connector |
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5 |
Hard disk drive connectors |
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6 - J38 |
On/Off Switch power supply connector |
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7 - J37 |
On/Off Switch connector |
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8 |
Power supply connectors |
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9 |
Bus/CPU Speed (MHz) |
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10 |
L2 Cache size jumpers |
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11 |
Processor connector |
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12 - J19 |
Bus/Core Ratio |
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13 |
Cache connectors |
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14 |
Memory connectors (Bank 2) |
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15 |
Memory connectors (Bank 1) |
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16 |
Memory connectors (Bank 3) |
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17 |
Video memory connectors |
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18 - J40 |
Power-on password jumper |
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19 |
Battery |
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20 |
Display connector |
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21 |
Parallel connector |
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22 |
Serial connector |
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23 |
Serial connector |
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24 |
Mouse connector |
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25 |
Keyboard connector |
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26 |
Audio jack |
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27 |
Audio jack |
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28 |
IDE CD-ROM audio connector |
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29 - J28 |
Mouse jumper |
See ¿PC 730/750 Series (Type 6875, 6876, 6885, 6886) - Pentium 75/90/100/120/133 MHz Jumper Settings— for jumper settings.
PC 730/750 Series (Type 6875, 6876, 6885, 6886) - Pentium 75/90/100/120/133 MHz Jumper Settings:
The following table contains the jumper setting information. (D) indicates the default setting.
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Jumper |
Setting |
Description |
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J19 |
open (D) |
2/3 Bus/Core Ratio |
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J28 |
1-2 (D) |
Mouse enabled |
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J29 |
2-3 (D) |
Enable writing to a diskette Disable writing to a diskette. |
|
J40 |
1-2 (D) |
Password enabled. |
Bus/CPU Speed MHz Setting:
The following table contains the Bus/CPU Speed settings.
|
Jumper |
50/75 |
60/90 |
66/100 |
|
J26 |
2-3 |
2-3 |
1-2 |
|
J27 |
2-3 |
1-2 |
1-2 |
Cache Jumper Settings:
The following table contains the cache jumper settings.
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Cache |
J21 |
J22 |
J23 |
J24 |
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256 KB |
1-2 |
1-2 |
1-2 |
1-2 |
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Search Keywords |
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Hint Category |
Hardware Maintenance Information | |
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Date Created |
25-03-97 | |
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Last Updated |
30-04-98 | |
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Revision Date |
24-04-99 | |
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Brand |
IBM PC | |
|
Product Family |
PC 730, PC 750 | |
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Machine Type |
6875, 6876, 6885, 6886 | |
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Model |
all | |
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TypeModel |
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Retain Tip (if applicable) |
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Reverse Doclinks |