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74.213 bytes |
Service Hints & Tips |
Document ID: GSMH-3FGG9P |
IBM PC330/PC350 - Type (657x,658x) - 80486 system board
Applicable to: World-Wide
PC 330/350 Series (Type 657X, 658X) - 80486 System Board:
PC 330/350 Series (Type 657X, 658X) - 80486 System Board Locations:
|
1 - J8 |
Power supply connector |
|
2 |
On/Off Switch Power Supply Connector |
|
3 - JP1 |
Diskette drive write protect jumper |
|
4 - J7 |
Diskette drive connector |
|
5 - J9 |
Primary hard disk drive connector |
|
6 |
Modem Ring Detect jumper |
|
7 - J10 |
Secondary hard disk drive connector |
|
8 |
Processor socket |
|
9 - J24 |
SX/DX CPU selection jumper |
|
10 - J23 |
P24T, CPU selection jumper |
|
11 - JP3 |
Local bus configuration jumper |
|
11 - JP4 |
Local bus configuration jumper |
|
11 - JP7 |
Local bus configuration jumper |
|
12 |
Processor Regulator Connector |
|
13 - JP10 |
DX4 clock selection jumper |
|
14 - J16 |
Cache size selection jumper |
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14 - J17 |
Cache size selection jumper |
|
14 - J38 |
Cache size selection jumper |
|
15 - JP13 |
VESA/PCI jumper |
|
16 |
128K cache memory connectors |
|
17 |
Cache TAG RAM connector |
|
18 |
Power LED connector |
|
19 |
Hard disk drive LED connector |
|
20 - J27 |
Speaker connector, with enable jumper |
|
21 - J19 |
Memory module connector, MEM 4 |
|
22 - J20 |
Memory module connector, MEM 3 |
|
23 - J21 |
Memory module connector, MEM 2 |
|
24 - J22 |
Memory module connector, MEM 1 |
|
25 |
256K cache memory connectors |
|
26 - JP11 |
VHIMEM jumper |
|
27 - JP12 |
IRQ12 jumper |
|
28 - JP15 |
IRQ9 jumper |
|
29 - J14 |
VESA feature connector |
|
30 - JP14 |
Power-on password jumper |
|
31 - J15 |
VGA jumper |
|
32 - J6 |
Display connector |
|
33 - J5 |
Parallel connector |
|
34 - J4 |
Serial connector, COM2 |
|
35 - J13 |
Flash jumper |
|
36 - J3 |
Serial connector, COM1 |
|
37 - J11 |
ISA riser connector |
|
38 - JP8 |
ECP DMA-selection jumper |
|
38 - JP9 |
ECP DMA-selection jumper |
|
39 - J2 |
Mouse connector |
|
40 - J1 |
Keyboard connector |
|
41 |
Battery |
|
42- J34 |
VL riser connector |
|
43 |
On/Off Switch Connector |
PC 330/350 Series (Type 657X, 658X) - 80486 Jumper Settings:
The following tables contain the jumper setting information. (D) indicates the default setting.
CPU Type Selection:
|
Processor |
J23 |
J24 |
|
486SX (D) |
1-2 |
Open |
|
486DX |
2-3 |
Open |
|
P24T |
2-3 |
Closed |
CPU Speed Selection:
|
Speed |
J35 |
J36 |
J37 |
|
20 MHz |
On |
Off |
Off |
|
25 MHz (D) |
Off |
On |
On |
|
33 MHz |
Off |
On |
Off |
|
40 MHz |
Off |
Off |
On |
|
50 MHz |
Off |
Off |
Off |
Cache Size Selection:
|
Size |
J16 |
J17 |
|
256 K (D) |
1-2 |
Close |
|
128K |
2-3 |
Open |
P24 Clock Selection:
|
JP10 |
1-2 |
3-4 |
|
Internal Clock |
Off |
Off |
|
Internal Clock |
Off |
On |
|
Other |
On |
Off |
ECP DMA Selection:
|
Setting |
JP8 |
JP9 |
|
DRQ3 (D) |
1-2 |
1-2 |
|
DRQ1 |
2-3 |
2-3 |
Local Bus Configuration:
|
Selection |
JP3 |
JP4 |
|
VESA Local BUS |
1-2 |
1-2 |
|
PCI Local BUS |
2-3 |
2-3 |
Miscellaneous Jumpers:
|
Jumper |
Setting |
Description |
|
J15 |
1-2 2-3 |
Enable system board VGA (D) |
|
J13 |
1-2 2-3 |
Program Flash Disable (D) |
|
JP14 |
1-2 |
Normal (D) |
|
Search Keywords |
| |
|
Hint Category |
Hardware Maintenance Information | |
|
Date Created |
24-03-97 | |
|
Last Updated |
30-04-98 | |
|
Revision Date |
23-04-99 | |
|
Brand |
IBM PC | |
|
Product Family |
PC 330, PC 350 | |
|
Machine Type |
6571, 6573, 6581, 6583 | |
|
Model |
Various | |
|
TypeModel |
| |
|
Retain Tip (if applicable) |
| |
|
Reverse Doclinks |