40.776 bytes |
Service Hints & Tips |
Document ID: DDSE-3U6MMW |
PC Server 520 - System board locations / jumper settings (8641-EZ0)
Applicable to: World-Wide
System Board Locations:
System Board Connections
Header |
Configuration |
Connect To |
W12/W31 |
Speaker |
Speaker |
W18/W37 |
Power LED |
Pins 1-3 |
W24/W38 |
IDE Hard Drive LED |
IDE Hard Drive |
W35 |
CPU Fan Connector |
Fan |
W36 |
CPU Fan Connector |
Fan |
J1/J2/J26 |
Power Supply Connector |
P1 to J1 |
J6 |
Mouse Connector |
Mouse |
J8 |
Keyboard Connector |
Keyboard |
J9 |
Parallel Port Connector |
Parallel Device |
J10 |
Floppy Drive Connector |
Diskette Drive |
J11 |
Serial Port COMM A Connector |
Serial Device |
J12 |
Serial Port COMM B Connector |
Serial Device |
J13 |
ISA IDE Connector |
IDE Hard Drive |
N/A |
SCSI LED |
SCSI Option Card |
N/A |
SCSI Device Connector |
SCSI Option Card |
Jumper |
Description |
Setting |
W1 |
L1 Cache Mode |
Open - L1 Write-Back (Default) Closed - L1 Write-Through |
W2 |
Reserved |
Open |
W5 |
L2 Cache Size |
Pins 1-2 - L2 Cache Size = 256K (Default) Pins 2-3 - L2 Cache Size = 512K |
W6 |
CPU Clock |
Pins 1-2 Pentium 60/90MHz Pins 2-3 Pentium 66/100MHz |
W10 |
Reserved |
Pins 2-3 (Default) |
W16 |
Reserved |
Pins 1-2 (Default) |
W17 |
Reserved |
Closed (Default) |
W20 |
Monitor Selection |
Open - Monochrome Monitor Setting Closed - Color Monitor Setting (Default) |
W21 |
Reserved |
Open - AT Style Keyboard Closed - PS/2 Style Keyboard and Mouse (Default) |
W22 |
Reserved |
Open (Default) |
W23 |
Reserved |
Open (Default) |
W25 |
ISQ IDE IRQ Select |
Pins 1-2 - ISA IDE using IRQ 14 Primary IDE Controller (Default) Pins 2-3 - ISA IDE using IRQ 15 Secondary Controller |
W30 |
Reserved |
Open (Default) |
Search Keywords |
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Hint Category |
Hardware Maintenance Information, Processors | |
Date Created |
23-08-96 | |
Last Updated |
02-03-99 | |
Revision Date |
02-03-2000 | |
Brand |
IBM PC Server | |
Product Family |
PC Server 520 | |
Machine Type |
8641 | |
Model |
EZ0 | |
TypeModel |
| |
Retain Tip (if applicable) |
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Reverse Doclinks |