User's Manual
Table Of Contents
- Safety information
- Product introduction
- Basic Installation
- BIOS setup
- Software support
- RAID support
- Multiple GPU support
- Appendices
ASUS SABERTOOTH 990FX R2.0
1-7
Chapter 1
Layout contents
Connectors/Jumpers/Slots Page
1.  ATX power connectors (24-pin EATXPWR, 8-pin EATX12V) 1-33
2.  AM3+ CPU socket 1-8
3.  CPU, chassis, and optional fan connectors (4-pin CPU_FAN, 
  4-pin CPU_OPT, 4-pin CHA_FAN1-4 )
1-31
4.  DDR3 DIMM slots 1-9
5.  MemOK! button 1-22
6.  USB 3.0 connector (20-1 pin USB3_56) 1-27
7.  AMD
®
 Serial ATA 6.0 Gb/s connectors (7-pin SATA6G_1-6 [brown]) 1-26
8.  ASmedia
®
 Serial ATA 6.0 Gb/s connectors 
  (7-pin SATA6G_E12 [gray])
1-27
9.  Direct connector (2-pin DRCT) 1-35
10.  System panel connector (20-8 pin PANEL) 1-34
11.  DirectKey button 1-23
12.  Serial port connector (10-1 pin COM1) 1-30
13.  Clear RTC RAM (3-pin CLRTC) 1-24
14.  USB 2.0 connectors (10-1 pin USB1314, USB1112) 1-29
15.  Standby power LED 1-25
16.  TPM connector (20-1 pin TPM)  1-35
17.  Front panel audio connector (10-1 pin AAFP) 1-32
18.  Digital audio connector (4-1 pin SPDIF_OUT) 1-28
++E8042_SABERTOOTH_990FX_R2.0_V27 7 9/1/13 3:33:47 PM










