Technical Reference Guide
2.4.2 CHIPSET
The D315 model uses a NVidia NForce 220 chipset while the D325 model uses the NVidia NForce2 chipset. Table
Table
Table 2-3. NVidia Chipset Comparison
Component | NForce 220 | NForce 2 420 |
North Bridge | ||
FSB speed (max) | ||
Memory Bandwidth (max) | ||
Graphics Processing Unit | GeForce2 MX | GeForce4 MX |
AGP Interface (max) | 4X | 8X |
South Bridge | MCP | |
PCI bus I/F | Yes | Yes |
LPC bus I/F | Yes | Yes |
Two IDE UATA/100 controllers | Yes | Yes |
AC Link controller | Yes | Yes |
IRQ controller | Yes | Yes |
Power management logic | Yes | Yes |
Two USB 1.1 controllers | Yes | Yes |
One USB 2.0 controller | No | Yes |
NOTE:
Unless otherwise indicated, all functions are common to both chipsets.
2.4.3 SUPPORT COMPONENTS
Input/output functions not provided by the chipset are handled by other support components. Some of these components also provide “housekeeping” and various other functions as well. Table
Table
| Table |
| Support Component Functions |
Component Name | Function |
LPC47B367 I/O Controller | Keyboard and pointing device I/F |
| Diskette I/F |
| Serial I/F (1) |
| Parallel I/F (1) |
| AGP, PCI reset generation |
| Interrupt (IRQ) serializer |
| Power button logic |
| GPIO ports |
AD1885 (D315) or | Audio mixer |
AD1981 (d325) Audio Codec | |
| |
| Analog I/O |
|
Compaq D315 and hp d325 Personal
Featuring the AMD Athlon XP Processor
Second Edition - March 2003