ASROCK Z390 Steel Legend Manual page 4

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No. Description
1
ATX 12V Power Connector (ATX12V1)
2
CPU Fan Connector (CPU_FAN1)
3
2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1)
4
2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2)
5
RGB LED Header (RGB_LED2)
6
ATX Power Connector (ATXPWR1)
7
USB 3.2 Gen1 Header (USB3_3_4)
8
SATA3 Connector (SATA3_2)
9
SATA3 Connector (SATA3_3)
10
SATA3 Connector (SATA3_1)
11
SATA3 Connector (SATA3_0)
12
SPI TPM Header (SPI_TPM_J1)
13
SATA3 Connector (SATA3_4)
14
SATA3 Connector (SATA3_5)
15
System Panel Header (PANEL1)
16
Power LED and Speaker Header (SPK_PLED1)
17
Chassis Fan / Waterpump Fan Connector (CHA_FAN3/WP)
18
Chassis Fan / Waterpump Fan Connector (CHA_FAN1/WP)
19
Clear CMOS Jumper (CLRMOS1)
20
USB 3.2 Gen1 Header (USB3_5_6)
21
USB 2.0 Header (USB5)
22
USB 2.0 Header (USB_3_4)
23
RGB LED Header (RGB_LED1)
24
Addressable LED Header (ADDR_LED1)
25
COM Port Header (COM1)
26
Front Panel Audio Header (HD_AUDIO1)
27
Thunderbolt AIC Header (TB1)
28
CPU Fan / Waterpump Fan Connector (CPU_FAN2/WP)
29
Chassis Fan / Waterpump Fan Connector (CHA_FAN2/WP)
2

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