System Overview 1-11
1Power signal connector
2Power connector
3DIMM sockets (slots #1A, #1B, #2A, and #2B from top to bottom)
4CPU1 socket
5CPU2 socket
6Floppy disk drive connector
7Cooling fan connector (Fan 5)
8Cooling fan connector (not used)
9Power connector
10 HSBP (B) connector (not used)
11 HSBP (A) connector (not used)
12 USB connector
13 IDE connector (for CD-ROM drive)
14 Cooling fan connector (not used)
15 Cooling fan connector (Fan 3: option)
16 Front panel interface connector
17 IDE connector (not used)
18 Jumper switch for clearing CMOS/password
19 Lithium battery
20 Ultra320 (A) connector (for built-in hard disk)
21 DAC LED connector
22 Serial (COM B) connector
23 PCI board slots
(slots PCI #1, PCI #2, PCI #3, PCI #4, PCI #5, and PCI #6 arranged from top to bottom)
PCI #1 to #4: 64-bit/100 MHz
PCI #5, #6: 32-bit/33 MHz
24 Cooling fan connector (Fan 1)
25 Cooling fan connector (Fan 2: option)
26 External connection connector
Figure 1-6. System Board