Supermicro SuperServer SYS-621H-TN12R User Manual page 19

Connector Description
P2_PE0 0-7
(P2) PCIe 5.0 x8 MCIO connector supported by CPU2
(JPCIE5A1)
P2_PE0 8-15
(P2) PCIe 5.0 x8 MCIO connector supported by CPU2
(JPCIE5B1)
P2_PE1 15-0 (JPCIE4) (P2-SLOT2) PCIe 5.0 x16 slot supported by CPU2
P2_PE2 0-7
(P2) PCIe 5.0 x8 MCIO connector supported by CPU2
(JPCIE3A1)
P2_PE2 8-15
(P2) PCIe 5.0 x8 MCIO connector supported by CPU2
(JPCIE3B1)
SlimSAS LP (MCIO) connector with support of eight Intel® PCH SATA 3.0 connections
SATA 0-7 (JS1)
(RAID 0, RAID 1, RAID 5, and RAID 10 supported)
USB2/3 (3.2) (JUSB3) Rear USB header with support for two USB 3.2 Gen1 ports
LED Description
LED1 (UID-LED) Unit Identifier (UID) LED
LED2 (LEDPWR) Power LED
LEDBMC (LEDM1) BMC Heartbeat LED
State: Status
Solid Blue: Unit Identified
LED On: Onboard Power On
Blinking Green: BMC Normal (Active),
Solid Green: (During BMC Reset or during a Cold Reboot)
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Chapter 1: Introduction