System Structure
Table 2-4: Mainboard Components
Item Component Code Description
1 CN3 Top: PS/2 mouse port
Bottom: PS/2 keyboard port
2 CN4 Top: Parallel port
Left: Serial port
Right: Monitor port
3 CN6 USB ports (two)
4 JK1 LAN port (RJ-45)
5 CN2 4-pin, 12V ATX power connector
6 CN1 20-pin ATX power connector
7 DIMM1 to DIMM4 DIMM slots
8 CPU FAN 3-pin CPU fan connector
9 U7 Intel
82879P chipset (north bridge)
10 U18 Intel
ICH-S chipset (south bridge)
11 IDE2 Secondary IDE channel UDMA-100
12 IDE1 Primary IDE channel UDMA-100
13 SATA1 7-pin port 1 for 150-MBps SATA
14 SATA2 7-pin port 0 for 150-MBps SATA
15 FLOPPY 34-pin FDD connector
16 U27 Phoenix BIOS v4.06 chipset
17 CN11 4-pin SCSI activity LED connector
18 BT1 Battery
19 CN14 9-pin front panel I/O connector
20 SW1 Dip switch
21 BU1 Internal buzzer
22 PCI2 to PCI4 64-bit/66 MHz PCI bus slots
23 PCI1 and PCI5 32-bit/33 MHz PCI bus slots
24 U29 Video frame buffer
25 U25 ATI Rage XL VGA chipset
26 U16 Broadcom 5705 LAN chipset
continued
2-6 HP ProLiant ML110 Server Operations and Maintenance Guide
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