| 
 40.460 bytes  | 
 
 Parts Information | 
 Document ID: DDSE-458KZC  | 
PC Server 320 - System Board Diagram and Jumpers
Applicable to: World-Wide
System Board
Jumpers
| 
 Jumper  | 
 Description  | 
 Setting  | 
| 
 W1  | 
 L1 Cache Mode  | 
 Open - L1 Write-Back (Default)  | 
| 
 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  | 
 L2 Cache Size  | 
 Pins 1-2 - L2 Cache Size = 256K (Default)  | 
| 
 W16  | 
 Reserved  | 
 Pins 1-2 (Default)  | 
| 
 W17  | 
 Reserved  | 
 Closed (Default)  | 
| 
 W20  | 
 Monitor Selection  | 
 Open - Monochrome Monitor Setting  | 
| 
 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  | 
 | |
| 
 Document Category  | 
 System Boards  | |
| 
 Date Created  | 
 18-02-99  | |
| 
 Last Updated  | 
 18-02-99  | |
| 
 Revision Date  | 
 18-02-2000  | |
| 
 Brand  | 
 IBM PC Server  | |
| 
 Product Family  | 
 PC Server 320  | |
| 
 Machine Type  | 
 8640  | |
| 
 Model  | 
 | |
| 
 TypeModel  | 
 | |
| 
 Retain Tip (if applicable)  | 
 | |
| 
 Reverse Doclinks  |