SNLU299 November   2022 DS320PR810

 

  1.   DS320-SLIMSAS-EVM Evaluation Module (EVM)
  2.   Trademarks
  3. 1Introduction
    1. 1.1 Features
    2. 1.2 Applications
    3. 1.3 Description
      1. 1.3.1 Connectors and Access Points
    4. 1.4 Quick-Start Guide
  4. 2Typical Test Setup
  5. 3Board Layout
  6. 4Schematic
  7. 5Bill of Materials

1.3.1 Connectors and Access Points

Table 1-1 shows DS320-SLIMSAS-EVM main connectors and access points.

Table 1-1 Main Connectors and Access Points
COMPONENTNAMEFUNCTION / DESCRIPTION

P2

PCIe 4.0 x8 SlimSAS Connector 1Access points to PCIe lanes 0 - 7.
Use a SlimSAS (SFF-8654) to U.2 (SFF-8639) cable assembly (not included) to interface to SSDs with U.2 form factor.

P3

PCIe 4.0 x8 SlimSAS Connector 1Access points to PCIe lanes 8 - 15.
Use a SlimSAS (SFF-8654) to U.2 (SFF-8639) cable assembly (not included) to interface to SSDs with U.2 form factor.

P1

PCIe CEM 5.0 x16 Goldfinger ConnectorAccess points to PCIe lanes 0 - 15.
Plug into a PCIe x16 CEM slot.
J73x1 HeaderI2C bus access point.
J12x1 HeaderAccess point to WAKE and CLKREQ pins on the CEM connector.

Table 1-2 shows PCIe side band signal controls and access points.

Table 1-2 PCIe Side Band Signal Controls
COMPONENTNAMEFUNCTION / DESCRIPTION
J83x1 HeaderProvision for connecting PERST# signal from the CEM connector to B11 or B12 pin of SlimSAS connector P2.
Shunt installed across pins 1-2: PERST# signal routed to B11 pin of SlimSAS connector P2.
Shunt installed across pins 2-3: PERST# signal routed to B12 pin of SlimSAS connector P2 (default).
J103x1 HeaderProvision for connecting PERST# signal from the CEM connector to B29 or B30 pin of SlimSAS connector P2.
Shunt installed across pins 1-2: PERST# signal routed to B29 pin of SlimSAS connector P2.
Shunt installed across pins 2-3: PERST# signal routed to B30 pin of SlimSAS connector P2 (default).
J93x1 HeaderProvision for connecting PERST# signal from the CEM connector to B11 or B12 pin of SlimSAS connector P3.
Shunt installed across pins 1-2: PERST# signal routed to B11 pin of SlimSAS connector P3.
Shunt installed across pins 2-3: PERST# signal routed to B12 pin of SlimSAS connector P3 (default).
J113x1 HeaderProvision for connecting PERST# signal from the CEM connector to B29 or B30 pin of SlimSAS connector P3.
Shunt installed across pins 1-2: PERST# signal routed to B29 pin of SlimSAS connector P3.
Shunt installed across pins 2-3: PERST# signal routed to B30 pin of SlimSAS connector P3 (default).
J164x2 HeaderProvision for connecting PRSNT1 signal to PRSNT2_1, PRSNT2_2, PRSNT2_3 and PRSNT2_4 pins on the CEM connector.
Shunt installed across pins 1-2: PRSNT1 signal routed to PRSNT2_1 pin on the CEM connector (default).
Shunt installed across pins 3-4: PRSNT1 signal routed to PRSNT2_2 pin on the CEM connector (default).
Shunt installed across pins 5-6: PRSNT1 signal routed to PRSNT2_3 pin on the CEM connector (default).
Shunt installed across pins 7-8: PRSNT1 signal routed to PRSNT2_4 pin on the CEM connector (default).
J54x1 HeaderAccess point to the pins A8, A9, A26, and A27 of SlimSAS connector P2.
J64x1 HeaderAccess point to the pins A8, A9, A26, and A27 of SlimSAS connector P3.
J123x1 HeaderProvision for connecting PRSNT2_2 pin on the CEM connector to B11 or B12 pin of SlimSAS connector P2.
J143x1 HeaderProvision for connecting PRSNT2_1 pin on the CEM connector to B29 or B30 pin of SlimSAS connector P2.
J133x1 HeaderProvision for connecting PRSNT2_4 pin on the CEM connector to B11 or B12 pin of SlimSAS connector P3.
J153x1 HeaderProvision for connecting PRSNT2_3 pin on the CEM connector to B29 or B30 pin of SlimSAS connector P3.

Table 1-2 shows PCIe reference clock controls and access points.

Table 1-3 PCIe Reference Clock Controls and Access Points
COMPONENTNAMEFUNCTION / DESCRIPTION
JMP23x1 HeaderClock distributor (LMK00334) output enable
Shunt installed across pins 1-2: outputs disabled.
Shunt installed across pins 2-3: outputs enabled (default).
JMP13x1 HeaderClock distributor (LMK00334) input select
Shunt installed across pins 1-2: CLKIN1 (An external clock source coming from the SMP connectors) selected.
Shunt installed across pins 2-3: CLKIN0 (PCIe system clock coming from the CEM connector) selected (default).
J2 - J3SMP ConnectorsProvision for connecting an external clock source to the LMK00334 CLK1 input
Plug into a PCIe x16 CEM slot.
JMP33x1 HeaderClock distributor (LMK00334) LVCMOS reference output enable
Shunt installed across pins 1-2: reference output enabled.
Shunt installed across pins 2-3: reference output disabled (default).
J4

SMP Connector

Access point to the LMK00334 reference output.