HOST |
875P Chipset |
860 Chipset |
E7505 Chipset |
Target Segment |
Entry-level Workstation, Performance PC, High-End Desktop |
Workstation |
Workstation & Server |
Processor |
Pentium® 4 processor |
Intel® Xeon™ processor for DP workstations |
Intel® Xeon™ processor with 533 MHz System Bus and 512K L2 Cache |
Number Processors |
1 |
1-2 |
1-2 |
System Bus |
800/533 MHz (data) |
400MHz (data) |
400/533MHz (data) |
MEMORY CONTROLLER HUB |
875P Chipset |
860 Chipset |
E7505 Chipset |
Type |
82875P MCH |
82860 MCH |
E7505 MCH |
Package |
1005 FC-BGA |
1024 OLGA |
1005 FC-BGA |
MEMORY |
875P Chipset |
860 Chipset |
E7505 Chipset |
Memory Modules |
4 DIMMs |
4 RIMMs, up to 8 RIMMS with MRH-R |
72-bit wide DDR SDRAM DIMM populated in pairs (single channel) |
Memory Type |
Dual-Channel DDR 400/333/266 SDRAM |
PC800/600 RDRAM |
Dual-Channel DDR 266 (PC2100) SDRAM registered ECC compatible Supports up to 16G registered ECC compatible 2.5V modules |
Max Memory |
4 GB |
4 GB (w/ 2 repeaters) |
16 GB |
Number of Rows/Devices |
up to 8 rows, up to 64 devices |
32 RDRAM/channel |
1-6 physical rows, 2-6 DIMMs |
Mbit Support |
512/256/128 Mbit |
288/256 Mbit, 144/128 Mbit |
1-Gb or 512/256/128 Mbit |
ECC/Parity |
Yes |
Yes |
Yes |
EXTERNAL GRAPHICS |
875P Chipset |
860 Chipset |
E7505 Chipset |
Interface |
AGP 8X (1.5V) |
AGP 4X/2X (1.5V) |
AGP 8X/4X (0.8V) or AGP4X/2X/1X (1.5V) |
I/O CONTROLLER HUB |
875P Chipset |
860 Chipset |
E7505 Chipset |
Type |
ICH5 / ICH5R |
ICH2 |
ICH4 (82801DB) |
ICH Package |
460 MGBA |
360 EBGA |
421 BGA |
PCI Support |
PCI 2.3 |
PCI 2.2 |
Single 32-bit PCI segment. PCI 2.2 compliant. |
PCI Masters |
6 |
6 |
6 |
IDE |
Ultra ATA/100 |
ATA/100 IAA1 |
ATA/100 |
Serial ATA |
2 ports, ATA 150 |
N/A |
N/A |
USB Ports/Controllers |
8 ports, USB 2.0 |
4 ports, USB 1.1 |
3 controllers: 6 ports, USB 1.1 |
LAN MAC |
10/100 LAN MAC |
Yes |
Integrated 10/100 |
AC'97 Digital Circuits |
AC'97 2.2 compliant |
Audio/Modem |
AC'97 2.2 compliant |
Manageability |
875P Chipset |
860 Chipset |
E7505 Chipset |
I/O Management |
SMBus 2.0 / GPIO |
SMBus / GPIO |
SMBus 2.0 Support/ GPIO |
Workstation/Server I/O Expansion |
875P Chipset |
860 Chipset |
E7505 Chipset |
PCI Controller Type |
N/A |
PCI/Hub Interface Bridge, 64/32 bit (P64H) |
PCI/PCI-X 64-bit Hub 2.0 (P64H2) |
Package |
N/A |
241 BGA |
567 FC-BGA |
PCI Support |
N/A |
2-66MHz or 4-33 MHz PCI slots |
Up to three 64-bit PCI/PCI-X Controller Hub 2.0 components, each with a maximum bandwidth greater than 1 GB/s. |
PCI Masters |
N/A |
Up to 6 PCI devices |
Each P64H2 contains two independent 64-bit PCI/PCI-X interfaces. The PCI interface maximum bus speed is 66MHz. The PCI-X interface maximum bus speed is 133MHz. |
RASUM |
N/A |
N/A |
Memory ECC, Intel® x4 Single Device Data Correction (Intel® x4 SDDC) **, Hub Interface ECC, Hardware Memory Scrubbing |
Hyper-Threading Technology |
875P Chipset |
860 Chipset |
E7505 Chipset |
Hyper-Threading Technology Support |
Yes |
No |
Yes |