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IBM PC340 - Type 6560 Pentium 100/133/166 MHz system board
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Worldwide
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System board layout

System board locations
Index
Description
1 - J3 Power supply connector
2 - JP11 Flash jumper
3 - JP21 FDD write protect
4 - JP4 PS/2 mouse enable/disable
5 - J5 Diskette drive connector
6 - JP23 HDD fetect
7 - J8 Primary IDE hard disk drive connector
8 - J7 Secondary IDE hard disk drive connector
9 Battery
10 - J9 Power-on password/CMOS mode
11 CACHE memory connectors
12 - JP22 Burst mode
13 CPU voltage
14 Processor socket
15a - J12 Hard disk drive LED connector
15b - J12 Power LED connector
16 - J13 CPU fan connector
17 - JP17 CPU clock
18 Memory module connector 1 - Bank1
19 Memory module connector 2 - Bank1
20 Memory module connector 3 - Bank0
21 Memory module connector 4 - Bank0
22 Tag RAM socket
23 - J6 Feature connector
24 - JP13 Cache memory size
25 - JP14 CPU Bus clock
26 - JP3 On-board VGA
27 - P4 Display connector
28 - P1 Parallel connector
29 Video memory sockets
30 - P2 Serial connector COM2
31 PCI/ISA riser connector
32 - P3 Serial connector COM1
33 - J2 Mouse connector
34 - J1 Keyboard connector

System board jumper settings
The following tables contain the jumper setting information. A (D) indicates the default setting.

Processor type selection
Processor
JP14
JP17
P75 MHz 1-2 Open
P90 MHz 3-4 Open
P100 MHz 1-2, 3-4 Open
P120 MHz 3-4 1-2
P133 MHz 1-2, 3-4 1-2
P166 MHz 1-2, 3-4 1-2, 3-4

Cache size selection
Size
JP13
256 KB (D) 1-2
512 KB 2-3

Miscellaneous jumpers
Jumper
Setting
Description
JP3 Short
Open
Enable on-board VGA (D)
Disable on-board VGA
JP4 Short
Open
Enable PS/2 mouse (D)
Disable PS/2 mouse
J9 1-2
2-3
Normal (D)
CMOS data clear (all setup data reset to default and power-on password cleared)
JP11 1-2
2-3
Enable Flash (D)
Flash lock
JP19 1-2
2-3
STD 3.3 volt
VRE 3.52 volt (D)
JP21 1-2
2-3
FDD protect, normal (D)
FDD write protect
JP22 1-2
2-3
Non-linear burst, async cache (D)
Linear burst, sync cache
JP23 1-2
2-3
HDD detect (D)
HDD non-detect
Document id:  GSMH-3FGLU6
Last modified:  2001-07-26
Copyright © 2001 IBM Corporation
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