Summary of Contents for American Megatrends MegaRUM II
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MegaRUM II ® Dual Pentium II PCI ISA Motherboard User's Guide MAN-774 1/15/99...
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American Megatrends, Inc. Limited Warranty Buyer agrees if this product proves to be defective, that American Megatrends, Inc. is only obligated to replace or refund the purchase price of this product at American Megatrend's discretion according to the terms and conditions on the motherboard warranty card.
Table of Contents Hardware Installation...1 MegaRUM II PCI Motherboard Layout ...3 Step 1 Unpack the Motherboard ...4 Step 2 Configure CPU Speed...5 Step 3 Install Additional Voltage Regulator ...6 Step 4 Connect CPU Fans ...6 Step 5 Install CPU...7 Step 6 Install Memory ...12 Step 7 Install the Motherboard ...14...
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This manual describes the specifications and features of the MegaRUM II PCI motherboard. It explains how to assemble a system based on the MegaRUM II PCI motherboard and how to use the AMIBIOS that is specifically designed for this motherboard.
Packing List You should have received the following: a MegaRUM II Dual Pentium II PCI ISA motherboard, one SCSI driver diskette, the AMI Server Manager User’s Guide, one CD containing the AMI Server Manager server management software for Windows NT,...
32-bit PCI expansion slots, and two 64-bit PCI expansion slots. CPUs The MegaRUM II motherboard will support all Intel Slot1 CPUs operating at 233 MHz, 266 MHz, 400 MHz or faster speeds. PCI Bus Speed AMIBIOS automatically configures the PCI slots. The...
9-pin berg keyboard/mouse connector. Server Management Software The American Megatrends AMI_ClientCare server management software is included with the MegaRUM II motherboard. AMI_ClientCare uses the I CPU temperature, fan speed, ECC memory errors, ambient temperature, CPU voltage, system voltage and other user-specified system status information to any remote client computer.
Make sure you stand on an anti-static mat when handling the motherboard. Avoid contact with any component or connector on any adapter card, printed circuit board, or memory module. Handle these components by the mounting bracket. MegaRUM II PCI Motherboard User’s Guide Action...
When JP6 is shorted, the system bus frequency is forced to be 66 MHz. Please contact American Megatrends technical support at 770-246-8600 to support a CPU running at other CPU Internal...
Step 3 Install Additional Voltage Regulator One Voltage Regulator Module (VRM) is shipped with every MegaRUM II motherboard. You need another VRM if you install two CPUs. You can order VRMs for Intel Pentium II CPUs from: Manufacturer Step 4 Connect CPU Fans JP1 and JP2 (shown below) are 3-pin bergs that connect the fan on the CPU heat sink to the motherboard power.
CPU. Follow all antistatic procedures described on page 4. Termination Card The MegaRUM II motherboard is shipped with a termination card that should be installed in the empty CPU slot if only one CPU is installed.
Mechanism Kit before installing all Pentium II CPU modules. This kit includes: the retention mechanism assembly, attachment mounts, and spacer, as shown below: Install Spacer Place the spacer around the CPU socket on the motherboard, as shown below: MegaRUM II PCI Motherboard User’s Guide Continued Cont’d...
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Step 5 Install CPU, Install Retention Mechanism Place the retention mechanism on top of the CPU socket, as shown below: Install Attachment Mounts Place the two attachment mounts on the bottom of the motherboard, directly under the ends of the CPU socket.
Install the Heat Sink If the heat sink is not already installed on the CPU module, slide the heat sink top support into the lowest gap on the CPU module, as shown below: The slide the CPU module into the Retention Mechanism Assembly, as shown below: MegaRUM II PCI Motherboard User’s Guide Continued Cont’d...
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Step 5 Install CPU, Install the Heat Sink, cont’d Press the buttons on either side of the CPU module, as shown below: Hook the top support of the heat sink to the support base of the heat sink to complete the CPU module installation: Continued Chapter 1 Hardware Installation...
Each bank has one socket. The minimum amount of system memory supported by the MegaRUM II PCI is 8 MB. Each socket can hold one DIMM. You can use: 1 MB x 64 (or 72),...
Step 6 Install Memory, Installing DIMMs The eight SDRAM DIMM sockets on the motherboard can be filled with either 1 MB x 64 (or 72), 2 MB x 64 (or 72), 4 MB x 64 (or 72), 8 MB x 64 (or 72), or 16 MB x 64 (or 72) DIMMs.
If using metallic screws, make sure you use them only in If using metallic screws, make sure the head of the screw fits completely inside the plated mounting holes. MegaRUM II PCI Motherboard User’s Guide Action Warning the plated mounting holes.
Step 8 Attach Cables Connectors The MegaRUM II PCI motherboard includes many connectors. Connection instructions, illustrations of connectors, and pinouts are supplied in the following pages. A list of all connectors described in this section follows: Power supply connectors JP7, JP10 Drain CMOS RAM power –...
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LED. All motherboard components are outlined by a white rectangular box with a broad arrow at one end. Pin 1 is always at the arrow end of the white outlined box, as shown below: MegaRUM II PCI Motherboard User’s Guide Continued Cont’d...
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Step 8 Attach Cables, Connect Power Supply The power supply should match the physical configuration of the chassis. Make sure the power switch is Off before assembly. Before attaching all components, make sure the proper voltage has been selected. Power supplies often can run on a wide range of voltages and must be set (usually via a switch) to the proper range.
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The JP11 settings are: Normal operation (factory setting). The contents of CMOS RAM are destroyed. JP3 Infrared Connector The JP3 is a 10-pin dual-inline berg. 2, 6, 7, 8, 9, 10 MegaRUM II PCI Motherboard User’s Guide Continued CMOS Drain Assignments JP Setting...
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Step 8 Attach Cables, J2 Keyboard Connector The keyboard connector is a 9-pin MINIDIN socket. The pinout is shown below. 2, 6, 9 7 – 8 Connect Mouse Cable The mouse connector is a 9-pin MINIDIN. The pinout is: Description Mouse data Keyboard ground Mouse clock...
JP15 BIOS Chip Voltage Select JP15 is a 3-pin single-inline berg which lets you choose the BIOS chip VPP voltage. Short pin 1-2 Short pin 2-3 MegaRUM II PCI Motherboard User’s Guide Continued Description Data out Description VPP = 12V (default) VPP = 5V Cont’d...
Step 8 Attach Cables, J15 Keyboard Lock J15 is a 5-pin single-inline berg that is attached via a cable to the keyboard lock connector (or separate keyboard lock and Power LED connectors). The computer chassis may not include the keyboard lock and Power LED on a single connector.
JP14 BIOS Size Select JP14 is a 3-pin berg that enables you to choose the BIOS size. Short pin 1-2 BIOS size = 256KB (default) Short pin 2-3 BIOS size = 128KB JP16 Power Button JP16 is a two-pin single-inline berg. MegaRUM II PCI Motherboard User’s Guide Continued Warning Signal Description Data+ Data–...
AMIBIOS minimizes conflicts between onboard and offboard I/O devices. AMIBIOS automatically checks the adapter cards installed in the expansion slots on the MegaRUM II PCI motherboard for a hard disk or floppy controller and serial or parallel ports. J6 SER1 J7 SER2 J6 and J7 are 9-pin connectors that provide an AT- compatible serial port interface.
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All parallel port settings must be correctly configured through Peripheral Setup in AMIBIOS Setup. Signal Description STROBE# BUSY SLCT ERROR# SLCTIN# Ground Ground Ground Ground MegaRUM II PCI Motherboard User’s Guide Continued the standard Centronics-compatible parallel port, ACK# AUTOFD# INIT# Ground Ground Ground Ground Ground Signal Description...
Step 9 Connect I/O, JP9 Floppy JP9 is a 34-pin dual-inline berg. Connect the cable from the floppy drive to JP9, as shown below. The onboard floppy controller cannot be used if a hard disk card with a floppy controller is installed. Choose Standard Setup and Peripheral Setup to configure the floppy controller.
Step 9 Connect I/O, JP9 Floppy Connector Pinout Twist in Floppy Cable Floppy B to A 10 to 16 11 to 15 MegaRUM II PCI Motherboard User’s Guide Continued Floppy B to A Floppy B to A 12 to 14 14 to 12...
Step 9 Connect I/O, IDE Drives Attach the IDE drives in the following manner. Choose Peripheral Setup in AMIBIOS Setup to enable the onboard IDE controller. Continued Chapter 1 Hardware Installation Cont’d...
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IDE transfer. These IDE features are configured in Peripheral Setup in the AMIBIOS Setup utility. Disable the onboard IDE interface in Peripheral Setup to use an ISA ESDI, RLL, MFM, or SCSI hard disk drive controller. MegaRUM II PCI Motherboard User’s Guide Continued Cont’d...
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Step 9 Connect I/O, JP5 Pinout JP5 is the primary IDE connector. The JP5 pinout is: JP4 Secondary IDE Controller JP4, the secondary IDE connector, is a 40- pin dual-inline berg that connects the secondary primary and slave IDE drives to the secondary onboard IDE controller.
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Step 9 Connect I/O, JP4 Pinout JP4 is the secondary IDE connector. The JP4 pinout is: MegaRUM II PCI Motherboard User’s Guide Continued -RESET DATA7 DATA6 DATA5 DATA4 DATA3 DATA2 DATA1 DATA0 -REQ -IOW -IOR IDERDY -ACK INT15 -CS2 DATA8...
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Step 9 Connect I/O, J9 Pinout J9 is the 16-pin connector specifically for AMI’s new MegaRAC PCI adapter, which is a PCI remote assistant card. Continued Description SMI# I2C CLK Reserved Power Off I2C Data Reserved Keylock Reserved Reserved HSTRST# IRQ# GPI01 GPI02...
SCSI connectors to internal non-wide (Type 2) connectors, cable assembly for converting from internal wide to internal non-wide SCSI connectors (Type 30), and cable assembly for converting from internal wide to internal non-wide SCSI connectors. MegaRUM II PCI Motherboard User’s Guide Cont’d...
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Step 10 Connect SCSI I/O, High-Density 68-Pin SCSI Connector Pinout Signal Connector Ground Data Ground Data Data 14 Data 15 SCOP1 Data 0 Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 Data (P) Ground Ground DIFFSENS TERMPWR...
SCSI Signal Path The SCSI signal path is a controlled impedance environment with the following characteristic impedance: 90 ohms +/- 6 ohms for the REQ and ACK signals 90 ohms +/- 10 ohms for all other signals MegaRUM II PCI Motherboard User’s Guide Continued Cont’d...
Step 10 Connect SCSI I/O, SCSI Termination The SCSI channels on the MegaRUM II motherboard use active termination for each SCSI channel. You must terminate the SCSI bus properly. The SCSI bus on each SCSI channel is an electrical transmission line and it must be terminated properly at both ends to minimize reflections and losses.
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SCSI devices (termination disabled on both) Setup using two connectors for one channel If the MegaRUM II is at one end of a cable, it sets termination automatically at that end. Otherwise, MegaRUM II disables its own termination and you must set termination at the cable ends.
Step 11 Install Drivers The following drivers are provided with the MegaRUM II motherboard: one CD containing the American Megatrends AMI Server Manager server management software, and one diskette with SCSI drivers for Windows NT v3.51 and v4.0, and SCSI drivers for Windows 95.
Configure the System Run AMIBIOS Setup. You must enter the requested information and save the configuration data in NVRAM. The system will then reset, run POST, and boot the operating system. See the following chapter for information on configuring the computer. MegaRUM II PCI Motherboard User’s Guide...
AMIBIOS Setup In ISA and EISA computers, the system parameters (such as amount of memory, type of disk drives and video displays, and many other elements) are stored in CMOS RAM. Unlike the DRAM (dynamic random access memory) that is used for standard system memory, CMOS RAM requires very little power.
All Standard Setup options are described in this section. The Standard CMOS Setup screen is shown below. AMIBIOS SETUP-STANDARD CMOS SETUP (C)1998 American Megatrends, Inc. All Rights Reserved Date (mm/dd/yyyy): Tue Sep 1,1998 Time (hh/mm/ss) : 16:05:13 Floppy Drive A: 1.44MB 3½...
The following appears after any attempt to format any cylinder, head, or sector of any hard disk drive via the BIOS INT 13 Hard Disk Drive Service: Format!!! Possible VIRUS: Continue (Y/N)? _ MegaRUM II PCI Motherboard User’s Guide Continued Cont’d...
Standard Setup, Primary Master, Primary Slave, Secondary Master, Secondary Slave Select one of these hard disk drives to configure the hard disk drive named in the option. Press <Enter> to autodetect. The settings for each of these drives are: Setting 1 –...
Hard disk drives connected to the computer via the ISA bus transfer data 16 bits at a time. An IDE drive on the PCI bus or VL-Bus can use a 32-bit data path. MegaRUM II PCI Motherboard User’s Guide Continued Description...
Standard Setup, Hard Disk Drive Types Type Cylinders Heads 1024 1024 1024 1024 1024 1024 1224 AMIBIOS automatically sets IDE drive parameters. Select USER to enter MFM, ESDI, or RLL drive parameters. Select Not Installed for SCSI drives. Select CDROM for CD-ROM drives. Continued Write Precompensation...
If Setup is chosen, the password prompt appears if AMIBIOS is executed. See page 66 for instructions on changing a password. The Optimal and Power-On defaults are Setup. MegaRUM II PCI Motherboard User’s Guide...
Advanced CMOS Setup, Boot To OS/2 Set this option to Yes if running OS/2 operating system and using more than 64 MB of system memory on the motherboard. The settings are Yes or No. The Optimal and Fail-Safe default settings are No. S.M.A.R.T.
The video ROM is not copied to RAM. The contents of the video Disabled ROM cannot be read from or written to cache memory. The Optimal and Fail-Safe default settings are Cached. MegaRUM II PCI Motherboard User’s Guide Continued IDE HDD, or 4 IDE HDD, or 4...
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Advanced Setup, C800,16K Shadow CC00,16K Shadow D000,16K Shadow D400,16K Shadow D800,16K Shadow DC00,16K Shadow These options enable shadowing of the contents of the ROM area in the option title. Setting Enabled The contents of the ROM area are written to the corresponding address in RAM for faster execution.
Multi-Trans Timer (Clks) This option specifies the multi-trans latency timings (in PCI clocks) for devices in the computer. The settings are Disabled, 32, 64, 96, 128, 160, 192, or 224. The Optimal and Fail-Safe default settings are 32. MegaRUM II PCI Motherboard User’s Guide Cont’d...
Advanced Chipset Setup, Continued Mlti-Trans Timer (Clocks) This option sets the multi-trans timer. The settings are in units of Clocks. The settings are 32, 64, 96, 128, 160, 192, 224, or Disabled. The Optimal default setting is 32. The Fail-Safe default setting is Disabled. Graphics Aperture Size This option specifies the amount of system memory that can be used by the Accelerated Graphics Port (AGP).
AMIBIOS places it in a power saving state after the specified period of display inactivity has expired. The settings are Stand By, Suspend, or Off. The Optimal default setting is Suspend. The Fail-Safe default setting is Stand By. MegaRUM II PCI Motherboard User’s Guide Description Cont’d...
Power Management Setup, Video Power Down Mode This option specifies the power state that the video subsystem enters when AMIBIOS places it in a power saving state after the specified period of display inactivity has expired. The settings are Standby, Suspend or Disabled.
The computer enters the Full On state if any activity occurs. AMIBIOS reloads the Standby and Suspend timeout timers if display activity occurs. The settings are Monitor or Ignore. The Optimal and Fail-Safe default settings are Ignore. MegaRUM II PCI Motherboard User’s Guide Continued Cont’d...
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Power Management Setup, Device 6 (Serial Port 1) Device 7 (Serial Port 2) Device 8 (Parallel Port) Device 5 (Floppy Disk) Device 0 (Primary Master IDE) Device 1 (Primary Salve IDE) Device 2 (Secondary Master IDE) Device 3 (Secondary Slave IDE) When set to Monitor, these options enable event monitoring on the specified hardware interrupt request line.
Allocate IRQ to PCI VGA Set this option to Yes to allocate an IRQ to a VGA adapter card that uses the PCI local bus. The settings are Yes or No. The Optimal and Fail-Safe default settings are Yes. MegaRUM II PCI Motherboard User’s Guide Action...
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Auto, 3, 4, 5, 7, 9, 10, 11, 12, and 14, in priority order. If Auto is selected, AMIBIOS automatically determines the optimal IRQ priority order. The Optimal and Fail-Safe default settings are Auto. MegaRUM II PCI Motherboard User’s Guide Cont’d...
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PCI/PnP Setup, Continued PCI Slot1 IRQ Priority These options specify the IRQ priority for PCI devices installed in the computer. The settings are Auto, 3, 4, 5, 7, 9, 10, 11, 12, and 14, in priority order. If Auto is selected, AMIBIOS automatically determines the optimal IRQ priority order.
DMA Channel 6 DMA Channel 7 These options allow you to specify the bus type used by each DMA channel. The settings are PnP or ISA. The Optimal and Fail-Safe default settings are PnP. MegaRUM II PCI Motherboard User’s Guide Cont’d...
PCI/PnP Setup, Continued Reserved ISA Card Memory Size This option specifies the size of the memory area reserved for legacy ISA adapter cards. The settings are Disabled, 16K, 32K, or 64K. The Optimal and Fail-Safe default settings are Disabled. Reserved ISA Card Memory Address This option specifies the beginning address (in hex) of the reserved memory area.
IDE controller is automatically disabled. The settings are Absent, ISA, PCI Slot1, PCI Slot2, PCI Slot3, PCI Slot4, PCI Slot5, or PCI Slot6. The Optimal and Fail- Safe default settings are Absent. MegaRUM II PCI Motherboard User’s Guide Cont’d...
Peripheral Setup, Primary\Secondary This option specifies the PSI/ISA IDE cards used by the offboard IDE controller. The settings are Disabled, Primary, Secondary, or Both. The Optimal and Fail-Safe default settings are Both. PCI IDE Card Primary IRQ This option specifies the primary IRQ used by the PCI IDE card.
Extended Capabilities Port (ECP) specification. ECP uses the DMA protocol to achieve data transfer rates up to 2.5 Megabits per second. ECP provides symmetric bidirectional communication. Data can be sent to and received from the parallel port. Bi-Dir MegaRUM II PCI Motherboard User’s Guide Continued Description Cont’d Cont’d...
Peripheral Setup, Parallel Port DMA Channel This option is available only if the setting for the Parallel Port Mode option is ECP. This option sets the DMA channel used by the parallel port. The settings are Auto, (DMA Channel) 1, or 3. EPP Version This option specifies the Enhanced Parallel Port specification version number that is used in the system.
Remember the Password Keep a record of the new password when the password is changed. If you forget the password, you must erase the system configuration information in NVRAM (Non-Volatile Random Access Memory). See page 75 for information about erasing system configuration information. MegaRUM II PCI Motherboard User’s Guide...
Change User Password Select Change User Password from the AMIBIOS Setup main menu. Enter new User password: appears. Type the password and press <Enter>. The screen does not display the characters entered. Retype the password as prompted and press <Enter>. If the password confirmation is incorrect, an error message appears.
AMIBIOS Setup and to reboot the computer so the new system configuration parameters can take effect. Exit Without Saving Choose this option to quit AMIBIOS Setup without making any permanent changes to the system configuration. MegaRUM II PCI Motherboard User’s Guide...
It may take 10 seconds or more before this light turns on. Since MegaRUM II uses a 2 megabit BIOS, the flashing process may take up to 3 minutes. Release the <Ctrl> and <Home> keys. AMIBIOS issues a series of beep codes that indicate that the system BIOS ROM file is being updated.
S774P.ROM resides on a floppy disk and contains the updated main BIOS code. American Megatrends will provide this file when the AMIBIOS for the MegaRUM II PCI ISA motherboard must be updated. S774P.ROM must be present in the root directory of the floppy disk before the onboard Flash EPROM can be reprogrammed.
Programming the Flash ROM, Beep Codes The bootblock code produces a series of beeps during Flash ROM programming to: signify completion of a step (as shown on the previous page), or to signal an error. Error beeps are arranged in a coded sequence and have different meanings depending on when they occur.
Flash ROM. Detect the flash type. Start erasing flash blocks. Program the Flash ROM in the E0000-EFFFFh region. Start programming Flash at F0000-FFFFF region. Flash programming is successful. The computer reboots. MegaRUM II PCI Motherboard User’s Guide Description...
Deleting a Password If you forget the passwords you set up through AMIBIOS Setup, the only way you can restart the computer is to erase the system configuration information where the passwords are stored. System configuration data is stored in CMOS RAM, a type of memory that consumes very little power.
Make sure you stand on an anti-static mat when handling the motherboard. Avoid contact with any component or connector on any adapter card, printed circuit board, or memory module. Handle these components by the mounting bracket. MegaRUM II PCI Motherboard User’s Guide...
AMI_ClientCare Installation Procedure This procedure is valid when installing AMI_ClientCare in a computer with an AMI Series 774 MegaRUM II motherboard. Installation Requirements A computer with a Series 774 MegaRUM II motherboard and a system BIOS that has the DMI- enabled BIOS file S774P.ROM, dated 11/05/98.
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Specifications Engineering Specifications Temperature Ranges The following values are ambient temperatures inside the computer case. The board temperatures reflect the dual Pentium II II CPU Heat dissipation requirements because they will be the hottest motherboard components. Temperature specifications vary with the CPU frequency. Frequency Heat Sink...
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Floppy Drive connector Pinout, 26 Graphics Aperture Size, 51 Green PC Monitor Power State, 52 MegaRUM II PCI Motherboard User’s Guide Hard Disk Drive Capacity, 44 Hard Disk Drive Parameters, 44 Hard Disk Drive Type D:, 43 Hard Disk Power Down Mode, 53...
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J6 Serial Port 1 (COM1), 23 J7 Serial Port 2 (COM2), 23 J9 Pinout, 31 JP 11 Drain CMOS RAM power, 18 JP 16 Power Button, 22 JP1 CPU Fan, 6 JP13 Chassis Door Open, 19 JP14 BIOS Size Select, 22 JP15 BIOS Chip Voltage Select, 20 JP17 Reset Switch Connector, 20 JP18 Chassis Fan, 6...
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Unpack the Motherboard, 4 USB Connectors, 22 USB Device IRQ Priority, 57 USB Function, 50 Video Power Down Mode, 53 Video Shadow C000,16K, 48 Video Shadow C400,16K, 48 Voltage Regulator Module (VRM), 6 Write Precompensation, 44 Index...
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