Supermicro SuperServer SYS-121H-TNR - Page 19

19
Chapter 1: Introduction
MH1/MH9
Mounting holes for built-in thumbscrews used to securely attach the motherboard to
the chassis (Refer to page 14 for mounting hole detailed information.)
MH2/MH3/MH4/MH5/
MH10/MH11/MH12
Mounting holes for T-pins used to help lock the motherboard to the proper location in
the chassis (Refer to page 14 for mounting hole detailed information.)
MH15 - MH19
Mounting holes for stando󰀨s used for heatsink support (Refer to page 14 for mounting
hole detailed information.)
P1_NVME 0-3
(P1) PCIe 5.0 x8 MCIO connectors supported by CPU1 with four NVMe connections
(0/1/2/3)
P2_NVME 0-3
(P2) PCIe 5.0 x8 MCIO connectors supported by CPU2 with four NVMe connections
(0/1/2/3)
P1_PE0 15-0 (JAIOM1) PCIe 5.0 x16 AIOM (OCP3.0-compliant) slot supported by CPU1
P1_PE1 7-0
(JPCIE2A1)
(P1) PCIe 5.0 x8 MCIO connector
P1_PE1 15-8
(JPCIE2B1)
(P1) PCIe 5.0 x8 MCIO connector support by CPU1
P1_PE2 15-0 (JPCIE1) (P1-SLOT1) PCIe 5.0 x16 slot supported by CPU1
P2_PE0 0-7
(JPCIE5A1)
(P2) PCIe 5.0 x8 MCIO connector supported by CPU2
P2_PE0 8-15
(JPCIE5B1)
(P2) PCIe 5.0 x8 MCIO connector supported by CPU2
P2_PE1 15-0 (JPCIE4) (P2-SLOT2) PCIe 5.0 x16 slot supported by CPU2
P2_PE2 0-7
(JPCIE3A1)
(P2) PCIe 5.0 x8 MCIO connector supported by CPU2
P2_PE2 8-15
(JPCIE3B1)
(P2) PCIe 5.0 x8 MCIO connector supported by CPU2
SATA 0-7 (JS1)
SlimSAS LP (MCIO) connector with support of eight Intel® PCH SATA 3.0 connections
(RAID 0, RAID 1, RAID 5, and RAID 10 supported)
VROC RAID Key
(JRK1)
Intel VROC key header for NVMe RAID support (See the note below.)
USB2/3 (3.2) (JUSB3) Rear USB header with support for two USB 3.2 Gen1 ports