Acer Altos R500 User Manual
Page 51
41
FAN3
Rear system fan connector
JK1
LAN jack (RJ-45)
Upper: LAN1
Lower: LAN2
JK2
LAN jack (RJ-45)
Upper: LAN3
Lower: LAN4
PCI1
64-bit/66 MHz PCI slot (debug only,
optional)
SW1
Service LED switch
SW2
Password switch (optional)
SW3
CPU frequency switch (optional)
U11/U18/
U24/U29
Intel 82550 LAN chipsets
U17
Server Works HE-SL chipset (north bridge)
U46
ATI RageXL VGA chipset
U50
Winbond IPMI chipset (W83910F)
U53
Server Works CIOB2 chipset (I/O bridge)
U54
Server Works CSB5 chipset (south bridge)
U55
NS PC87417 Super I/O chipset
U57
Adaptec AIC-7899 chipset
U75
Winbond firmware socket
U80
System BIOS firmware socket
Item
Description
aa r500.book Page 41 Thursday, September 20, 2001 11:06 AM