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MSI MS-95A5 Rev 0A 10A 1B 100 Schematic
Technical Specifications
Technical Summary
The MS-95A5 GEM318 Guardian Enclosure Management Controller is a 1U SAF-TE SCSI backplane board, revision 0A, dated Friday, November 21, 2003. The board number is AMS-95A5 SCSI BACKPLANE, with document number PCB9522-10A. The platform is designed for SCSI backplane management, featuring SCSI LVD connectors, IDE and FDD connectors, a power connector, hardware monitor, and video connector. The board includes logic ICs such as 74HC08 and 74HCT14 for signal management and LED control.
Technician FAQ
Q: What is the board number and revision of this SCSI backplane?
A: The board number is AMS-95A5 SCSI BACKPLANE, revision 0A.
Q: What is the document number for this board?
A: The document number is PCB9522-10A.
Q: What is the platform architecture of this board?
A: The platform is a 1U SAF-TE SCSI BACKPLANE.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
Technical Specifications
Technical Summary
The MSI MS-95A5, revision 1.0, is a GEM318 Guardian Enclosure Management Controller 1U SAF-TE SCSI backplane, dated Tuesday, April 6, 2004. The PCB is identified as PCBX_95A5-1.0. It features a single SCA1 Y SCSI80-P connector and four SCSI LVD connectors. The backplane includes a hardware monitor and a video connector. Power is supplied via JPWR1 and JPWR2 D1x4 connectors. The design incorporates a U7 SI9424DY power IC and logic ICs including U1 7407-SOIC14, U17 74HCT14, U18 74HC08, and U19 74HCT14. The SCSI ID is configured via ID0, ID1, ID2, and ID3. The motor spin function supports power-on spin-up, START UNIT command spin-up, and delayed spin-up based on the SCSI device SEL_ID. Differential pair impedance is specified at 122 ohm +/-10%.
Technician FAQ
Q: What is the board number and revision of this SCSI backplane?
A: The board number is MS-95A5, revision 1.0.
Q: What type of SCSI connector is used on this backplane?
A: The backplane uses a single SCA1 Y SCSI80-P connector.
Q: How many SCSI LVD connectors are present?
A: There are four SCSI LVD connectors.
Q: What power IC is used on this backplane?
A: The power IC is U7 SI9424DY.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
Technical Specifications
Technical Summary
The MS-95A5 is a GEM318 Guardian Enclosure Management Controller 1U SAF-TE SCSI backplane motherboard, revision 10A, dated April 15, 2004. The board number is MS-95A5, with a PCB identifier of PCB95A5-10A. The platform is built around the GEM318 enclosure management controller, which also serves as the EC/KBC. Power management is handled by a SI9424DY charging IC and a 7407-SOIC14 power IC. The board utilizes 74HC08 and 74HCT14S logic ICs for LAN and WLAN interface control. The backplane supports SCA and LVD SCSI connectors, with integrated SAF-TE SCSI backplane management functionality.
Technician FAQ
Q: What is the board number and revision of this motherboard?
A: The board number is MS-95A5, revision 10A, with PCB number PCB95A5-10A.
Q: What EC/KBC controller is used on this motherboard?
A: The EC/KBC is the GEM318 Guardian Enclosure Management Controller.
Q: What charging IC is used on this motherboard?
A: The charging IC is a SI9424DY.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
Technical Specifications
Technical Summary
The MS-95A5 is a 1U SAF-TE SCSI backplane board, revision 1.0, dated July 16, 2007, with PCB identifier PCBX_95A5-1.0. The board is built around the GEM318 Guardian Enclosure Management Controller, serving as the primary enclosure management and SCSI backplane controller. Power delivery architecture includes +12V CHARGE(L), +5V CHARGE(L), and OPT 3.3V CHARGE(L) rails. Logic-level signal processing is handled by multiple 74HC08 and 74HCT14S ICs. The board features a SI9424DY MOSFET for power switching and a 7407-SOIC buffer/driver for signal conditioning. The design supports SCA and LVD SCSI connectors with integrated drive activity LED control and spindle synchronization.
Technician FAQ
Q: What is the primary controller IC on this backplane?
A: The GEM318 Guardian Enclosure Management Controller.
Q: What is the board revision and date?
A: Revision 1.0, dated Monday, July 16, 2007.
Q: What power rails are available on the power connector?
A: +12V CHARGE(L), +5V CHARGE(L), and OPT 3.3V CHARGE(L).
Q: What MOSFET is used for power switching?
A: U7 SI9424DY.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | MS-95A5 |
| Model | GEM318 Guardian Enclosure Management Controller |
| Board Number | AMS-95A5 SCSI BACKPLANE |
| Revision | 0A |
| Date | Friday, November 21, 2003 |
| Document Number | PCB9522-10A |
| CPU Platform | 1U SAF-TE SCSI BACKPLANE |
Technical Summary
The MS-95A5 GEM318 Guardian Enclosure Management Controller is a 1U SAF-TE SCSI backplane board, revision 0A, dated Friday, November 21, 2003. The board number is AMS-95A5 SCSI BACKPLANE, with document number PCB9522-10A. The platform is designed for SCSI backplane management, featuring SCSI LVD connectors, IDE and FDD connectors, a power connector, hardware monitor, and video connector. The board includes logic ICs such as 74HC08 and 74HCT14 for signal management and LED control.
Technician FAQ
Q: What is the board number and revision of this SCSI backplane?
A: The board number is AMS-95A5 SCSI BACKPLANE, revision 0A.
Q: What is the document number for this board?
A: The document number is PCB9522-10A.
Q: What is the platform architecture of this board?
A: The platform is a 1U SAF-TE SCSI BACKPLANE.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | MSI |
| Model | MS-95A5 |
| Motherboard Manufacturer | MSI |
| Board Number | MS-95A5 |
| Revision | 1.0 |
| Date | 星期二, 四月 06, 2004 |
| Document Number | MS-95A5 |
| Title | GEM318 Guardian Enclosure Management Controller 1U SAF-TE SCSI Backplane |
| PCB Number | PCBX_95A5-1.0 |
| SCSI Connector | SCA1 Y SCSI80-P |
| SCSI ID Configuration | ID0, ID1, ID2, ID3 |
| Motor Spin Function | Motor spins up at D.C. power on; Motor spins up only when START UNIT command is received; Motor spins up at D.C. power on after a delay in seconds 12 times the value of the numeric SEL_ID for the SCSI device |
| Differential Pair Impedance | 122 ohm +/-10 % |
| Power Connector | JPWR1 D1x4, JPWR2 D1x4 |
| Front Panel Connector | J3 HEADER 22X2 |
| IDE and FDD Connector | J9 CONN2X8 |
| SCSI LVD Connectors | 4 |
| Hardware Monitor | Yes |
| Video Connector | Yes |
| Power IC(s) | U7 SI9424DY |
| Logic IC(s) | U1 7407-SOIC14, U17 74HCT14, U18 74HC08, U19 74HCT14 |
Technical Summary
The MSI MS-95A5, revision 1.0, is a GEM318 Guardian Enclosure Management Controller 1U SAF-TE SCSI backplane, dated Tuesday, April 6, 2004. The PCB is identified as PCBX_95A5-1.0. It features a single SCA1 Y SCSI80-P connector and four SCSI LVD connectors. The backplane includes a hardware monitor and a video connector. Power is supplied via JPWR1 and JPWR2 D1x4 connectors. The design incorporates a U7 SI9424DY power IC and logic ICs including U1 7407-SOIC14, U17 74HCT14, U18 74HC08, and U19 74HCT14. The SCSI ID is configured via ID0, ID1, ID2, and ID3. The motor spin function supports power-on spin-up, START UNIT command spin-up, and delayed spin-up based on the SCSI device SEL_ID. Differential pair impedance is specified at 122 ohm +/-10%.
Technician FAQ
Q: What is the board number and revision of this SCSI backplane?
A: The board number is MS-95A5, revision 1.0.
Q: What type of SCSI connector is used on this backplane?
A: The backplane uses a single SCA1 Y SCSI80-P connector.
Q: How many SCSI LVD connectors are present?
A: There are four SCSI LVD connectors.
Q: What power IC is used on this backplane?
A: The power IC is U7 SI9424DY.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | MS-95A5 |
| Model | GEM318 Guardian Enclosure Management Controller 1U SAF-TE SCSI Backplane |
| Board Number | MS-95A5 |
| Revision | 10A |
| Date | 星期四, 四月 15, 2004 |
| PCB Number | PCB95A5-10A |
| Document Number | MS-95A5 |
| CPU Platform | GEM318 Guardian Enclosure Management Controller |
| EC / KBC | GEM318 |
| Charging IC | SI9424DY |
| Power IC(s) | 7407-SOIC14 |
| LAN IC | 74HC08 |
| WiFi / WLAN IC | 74HCT14S |
Technical Summary
The MS-95A5 is a GEM318 Guardian Enclosure Management Controller 1U SAF-TE SCSI backplane motherboard, revision 10A, dated April 15, 2004. The board number is MS-95A5, with a PCB identifier of PCB95A5-10A. The platform is built around the GEM318 enclosure management controller, which also serves as the EC/KBC. Power management is handled by a SI9424DY charging IC and a 7407-SOIC14 power IC. The board utilizes 74HC08 and 74HCT14S logic ICs for LAN and WLAN interface control. The backplane supports SCA and LVD SCSI connectors, with integrated SAF-TE SCSI backplane management functionality.
Technician FAQ
Q: What is the board number and revision of this motherboard?
A: The board number is MS-95A5, revision 10A, with PCB number PCB95A5-10A.
Q: What EC/KBC controller is used on this motherboard?
A: The EC/KBC is the GEM318 Guardian Enclosure Management Controller.
Q: What charging IC is used on this motherboard?
A: The charging IC is a SI9424DY.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | MS-95A5 |
| Model | GEM318 Guardian Enclosure Management Controller 1U SAF-TE SCSI Backplane |
| Board Number | MS-95A5 |
| Revision | 1.0 |
| Date | Monday, July 16, 2007 |
| Document Number | MS-95A5 |
| PCB Number | PCBX_95A5-1.0 |
| Title | MS-95A5 SCSI Backplane |
| EC / KBC | GEM318 Guardian Enclosure Management Controller |
| Charger Architecture | +12V CHARGE(L), +5V CHARGE(L), OPT 3.3V CHARGE(L) |
| Power IC(s) | U1A 7407-SOIC, U1B 7407-SOIC, U1F 7407-SOIC |
| LAN IC | U7 SI9424DY |
| Card Reader IC | U18A 74HC08, U18B 74HC08, U18C 74HC08, U18D 74HC08, U17A 74HCT14S, U17B 74HCT14S, U17C 74HCT14S, U17D 74HCT14S, U17E 74HCT14S, U17F 74HCT14S, U19A 74HCT14S, U19B 74HCT14S |
Technical Summary
The MS-95A5 is a 1U SAF-TE SCSI backplane board, revision 1.0, dated July 16, 2007, with PCB identifier PCBX_95A5-1.0. The board is built around the GEM318 Guardian Enclosure Management Controller, serving as the primary enclosure management and SCSI backplane controller. Power delivery architecture includes +12V CHARGE(L), +5V CHARGE(L), and OPT 3.3V CHARGE(L) rails. Logic-level signal processing is handled by multiple 74HC08 and 74HCT14S ICs. The board features a SI9424DY MOSFET for power switching and a 7407-SOIC buffer/driver for signal conditioning. The design supports SCA and LVD SCSI connectors with integrated drive activity LED control and spindle synchronization.
Technician FAQ
Q: What is the primary controller IC on this backplane?
A: The GEM318 Guardian Enclosure Management Controller.
Q: What is the board revision and date?
A: Revision 1.0, dated Monday, July 16, 2007.
Q: What power rails are available on the power connector?
A: +12V CHARGE(L), +5V CHARGE(L), and OPT 3.3V CHARGE(L).
Q: What MOSFET is used for power switching?
A: U7 SI9424DY.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
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