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