Dell OptiPlex 990 Technical Guide - Page 8

SFF System Board Components

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DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0 SFF System Board Components Number Name 1 P1 power Connector (POWER) 2 System fan Connector (FAN_HDD) 3 Internal Speaker Connector (INT_SPKR) 4 Buzzer (BEEP) 5 PCI-e 4x Connector(SLOT2) 6 PCI-e 16x Connector(SLOT1) 7 SATA 2 Connector(SATA2) 8 SATA 1 Connector(SATA1) 9 SATA 0 Connector(SATA0) 10 Front IO Connector (FRONTPANEL) 11 Intrusion Switch Connector (INTRUDER) Number 12 13 14 15 16 17 18 19 20 21 Name LPC debug Connector (LPC_DEBUG) Battery Connector (BATTERY) P2 Power Connector (12V_PWRCONN) Processor Connector (N/A) CPU Fan Connector (FAN_CPU) Power Switch Connector (PWR_SW) Memory Connector(DIMM3) Memory Connector(DIMM1) Memory Connector(DIMM4) Memory Connector(DIMM2) 8

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DELL™ OPTIPLEX™ 990
TECHNICAL GUIDEBOOK
—
V 1.0
8
Number
Name
Number
Name
1
P1 power Connector (POWER)
12
LPC debug Connector (LPC_DEBUG)
2
System fan Connector (FAN_HDD)
13
Battery Connector (BATTERY)
3
Internal Speaker Connector (INT_SPKR)
14
P2 Power Connector
(12V_PWRCONN)
4
Buzzer (BEEP)
15
Processor Connector (N/A)
5
PCI-e 4x Connector(SLOT2)
16
CPU Fan Connector (FAN_CPU)
6
PCI-e 16x Connector(SLOT1)
17
Power Switch Connector (PWR_SW)
7
SATA 2 Connector(SATA2)
18
Memory Connector(DIMM3)
8
SATA 1 Connector(SATA1)
19
Memory Connector(DIMM1)
9
SATA 0 Connector(SATA0)
20
Memory Connector(DIMM4)
10
Front IO Connector (FRONTPANEL)
21
Memory Connector(DIMM2)
11
Intrusion Switch Connector (INTRUDER)
SFF System Board Components