Acer Extensa E420 Service Manual Download Page 1

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Veriton M420

Veriton M220

Extensa E420

Service Guide

Service guide files and updates are

available on the AIPG/CSD web; for

more information please refer to

http://csd.acer.com.tw

PRINTED IN TAIWAN

Summary of Contents for Extensa E420

Page 1: ...Veriton M420 Veriton M220 Extensa E420 Service Guide Service guide files and updates are available on the AIPG CSD web for more information please refer to http csd acer com tw PRINTED IN TAIWAN ...

Page 2: ...II Revision History Please refer to the table below for the updates made on Veriton M420 Veriton M220 Extensa E420 service guide Date Chapter Updates ...

Page 3: ...espect to the contents hereof and specifically disclaims any warranties of merchantability or fitness for any particular purpose Any Acer Incorporated software described in this manual is sold or licensed as is Should the programs prove defective following their purchase the buyer and not Acer Incorporated its distributor or its dealer assumes the entire cost of all necessary servicing repair and ...

Page 4: ...s bits and pieces of additional information related to the current topic WARNING Alerts you to any damage that might result from doing or not doing specific actions CAUTION Gives precautionary measures to avoid possible hardware or software problems IMPORTANT Remind you to do specific actions relevant to the accomplishment of procedures ...

Page 5: ... NOT be covered in this generic service guide In such cases please contact your regional offices or the responsible personnel channel to provide you with further technical details 2 Please note WHEN ORDERING FRU PARTS that you should check the most up to date information available on your regional web or channel If for whatever reason a part number change is made it will not be noted in the printe...

Page 6: ...4 Advanced BIOS Features 27 Integrated Peripherals 31 P o w e r M a n a g e m e n t 3 8 P n P P C I C o n f i g u r a t i o n 4 1 PC Heal th Statu s 43 Frequency Voltage Control 44 Load Default Settings 46 Set Supervisor User Password 4 7 S a v e E x i t S e t u p 4 9 E x i t W i t h o u t S a v i n g 50 Chapter 3 Machine Disassembly and Replacement 51 G e n e r a l I n f o r m a t i o n 5 2 D i s...

Page 7: ...TX Dimension Layer 244mm 244mm Memory Memory Type 800 PC2 6400 667 PC2 5300 Support single channel 64 bit mode with maximum memory size up to 8GB Support un buffered DIMM RS780 RS740 DIMM Slot 4 Memory Max 512Mb 1Gb 2Gb devices technologies Capacity Up to 2GB per DIMM with maximum memory size up to 8GB PCI PCI Express Slot Type x16 PCI Express x16 Slot Quantity 1 PCI Express Slot Type x1 PCI Expre...

Page 8: ...VD SuperMultiPlus SATA Slot Type SATA slot Slot Quantity 6 Transfer rate support 1 5Gb s 3 0Gb s Storage Type support HDD DVD ROM DVD SuperMultiPlus Audio Audio Type HD audio codec Audio Channel 7 1 channel Audio Controller Codec ALC888S HD codec 7 1 Connectors support Rear 6 jack follow HD audio definition example as below Audio jacks color coding should meet Microsoft Windows Logo Program Device...

Page 9: ...bit Ethernet Design Criteria Should be worked under 10 100 1000Mbs environment Reserved disable function on both hardware BIOS side Default is enabled Support DASH 1 0 1 1 feature USB Controller AMD SB700 Ports Quantity 12 Should we reserve more header for Front DB 4 port for rear ports On board 4 2 5 headers 4 ports for front daughter board 2 ports for internal card reader Connector Pin standard ...

Page 10: ...IOS shall auto detect FDD to avoid checksum error when boot I O Connector Controller Super I O ITE 8718 Rear I O Connector 1 PS 2 Keyboard port 1 PS 2 Mouse port 1 Parallel port header 1 Serial port 1 D Sub port and 1 DVI D port Veriton 2 4 series 1 DVI D port and HDMI port Veriton 6 series 4 USB ports 1 RJ45 LAN port 7 1 channel phone jack 6 audio jacks for ALC888S sku On board connectors 1 CPU s...

Page 11: ...3 pin System FAN connector with linear circuit 1 2pin Intrusion Alarm connector Veriton SKU 1 24pin 4pin ATX interface PS3 PS2 SPS connector 1 2 7 pin front panel IO header 1 Jumper for clear CMOS 1 on board buzzer 1 2pin OBR header and Veriton SKU 1 2 10 pin TPM module connector Veriton SKU 2 reserved 2pin GPIO connector Color management for on board connecter pls provide proposal M B should incl...

Page 12: ...ut capability Demand for both PFC Non PFC solutions two different quotations are needed Minimum 2 Serial ATA power connector solution should be included by default Minimum 3 big 4 pin power connector included Minimum 1 small 4 pin power connector included PFC version will not provide switch selector for 115 230V AC input but it should be universal for Europe and China Non PFC version should provid...

Page 13: ...7 Main board Placement ...

Page 14: ...8 Block Diagram ...

Page 15: ...el The computer s front panel consists of the following Label Description 1 Optical drive 2 Floppy disk drive 3 Card reader cover Optional 4 Microphone jack 5 Speaker or headphone 6 USB 2 0 connector 7 Power button 8 ACER logo ...

Page 16: ...er card socket 8 Fan aperture 2 Voltage selector switch 9 PS 2 mouse connector 3 PS 2 keyboard connector 10 System Fan 4 DVI connector 11 Monitor connector 5 COM connector 12 SPDIF connector Optional 6 USB 2 0 connector 13 LAN connector 7 Audio connector 14 Lock Handle ...

Page 17: ...11 Veriton M220 Front Panel Label Description 1 Optical drive 2 Floppy disk drive 3 Card reader cover Optional 4 Power button 5 Microphone jack 6 USB 2 0 connector 7 Speaker or headphone 8 ACER logo ...

Page 18: ...er card socket 8 Fan aperture 2 Voltage selector switch 9 PS 2 mouse connector 3 PS 2 keyboard connector 10 System Fan 4 DVI connector 11 Monitor connector 5 COM connector 12 SPDIF connector Optional 6 USB 2 0 connector 13 LAN connector 7 Audio connector 14 Lock Handle ...

Page 19: ...13 Extensa E420 Front Panel Label Description 1 Optical drive 2 Floppy disk drive 3 Card reader cover Optional 4 Microphone jack 5 Speaker or headphone 6 USB 2 0 connector 7 Power button 8 ACER logo ...

Page 20: ...er card socket 8 Fan aperture 2 Voltage selector switch 9 PS 2 mouse connector 3 PS 2 keyboard connector 10 System Fan 4 DVI connector 11 Monitor connector 5 COM connector 12 SPDIF connector Optional 6 USB 2 0 connector 13 LAN connector 7 Audio connector 14 Lock Handle ...

Page 21: ...BIOS code programmer Phoenix Award or AMI Kernel with Acer skin BIOS version V6 0 BIOS ROM type SPI Flash BIOS ROM size 4Mb or 8Mb Support protocol SMBIOS DMI 2 4 DMI 2 0 log file Device Boot Support 1st priority SATA HDD 2nd priority CD ROM 3rd priority FDD 4th priority LAN 5th priority USB device Support to LS 120 drive YES Support to BIOS boot block feature YES BIOS Hotkey List Hotkey Function ...

Page 22: ...y Total Memory Slot 1 512Mb 1Gb 2Gb 512MB 2GB Slot 2 512Mb 1Gb 2Gb 512MB 2GB Maximum System Memory Supported 512MB 8GB System Memory Item Specification Memory slot number 4 slot Support Memory size per socket 512Mb 1Gb 2Gb Support memory type DDR2 Support memory interface 800 PC2 6400 667 PC2 5300 Support memory voltage 1 8V Support memory module package 240 pin DDR2 Support to parity check featur...

Page 23: ...C 97 support Full native DOS games compatibility Virtual FM enhances audio experience through real time FM to Wavetable conversionMPU 401 UART mode interface for Wavetable synthesizers and MIDI devices Integrated dual game port Meets AC 97and WHQL specifications Music synthesizer Yes internal FM synthesizer Sampling rate 48 KHz max MPU 401 UART support Yes Microphone jack Supported Headphone jack ...

Page 24: ... 1 Support ECP EPP SPP Bi directional ECP EPP Connector type 25 pin D type female connector Parallel port function control Enable disable by BIOS Setup Optional EV CP DMA channel in BIOS setup DMA channel 1 DMA channel 3 Optional parallel port I O address via BIOS setup 378h 278h Optional parallel port IRQ via BIOS setup IRQ5 IRQ7 USB Port Item Specification Universal HCI USB 2 0 1 1 USB Class Sup...

Page 25: ...2 20g RMS random 10 minutes per axis in all 3 axes 5 500 Hz 1 09g RMS random 1 hour per axis in all 3 axes Power Management Devices S1 S3 S4 S5 Power Button V V V V USB Keyboard Mouse V V N A N A PME Disabled Disabled Disabled Disabled RCT Disabled Disabled Disabled Disabled WOR Disabled Disabled Disabled Disabled Devices wake up from S3 should be less than Devices wake up from S5 should be less t...

Page 26: ...loads configuration values into the battery backed nonvolatile memory called CMOS RAM This memory area is not part of the system RAM NOTE If you repeatedly receive Run Setup messages the battery may be bad flat In this case the system cannot retain configuration values in CMOS Before you run Setup make sure that you have saved all open files The system reboots immediately after you exit Setup ...

Page 27: ... to enter SETUP appears on the screen press the key of Delete to enter the setup menu NOTE If the message disappears before you respond and you still wish to enter Setup restart the system by turning it OFF and On You may also restart the system by simultaneously pressing Ctrl Alt Delete The Setup Utility main menu then appears ...

Page 28: ...ll the items of Green function features PnP PCI Configuration This setup page includes all configurations of PCI PnP ISA resources PC Health Status This setup page is the System auto detect Temperature voltage and fan speed Load Optimized Defaults Load Optimized Settings Default Settings indicates the value of the system parameters which the system would be in best performance configuration Set Su...

Page 29: ...tion is necessary for troubleshooting maybe required when asking for technical support The following table describes the parameters found in this menu Parameter Description Production Name This item lists the product name System S N This item lists the system serial number System BIOS Version This item lists the system BIOS version System BIOS ID This item lists the system BIOS ID BIOS Release Dat...

Page 30: ...24 Standard CMOS Setup Select standard CMOS features from the main menu to configure some basic parameters in your system the following screen shows the standard CMOS features menu ...

Page 31: ...ear format Week From Sun to Sat determined by BIOS and is display only Day from 1 to 31 or the maximum allowed in the month Year from 1999 to 2099 System Time To set the time following the hour minute second format The items format is hour minute second The time is calculated base on the 24 hour timer clock Base Memory Size 640 K for system base memory ...

Page 32: ... BIOS automatically detects IDE devices during POST default None No IDE devices are used and the system will skip the automatic detection step and allow for faster system start up Manual Manually input the correct settings Access Mode To set the access mode for the hard drive The four options are CHS LBA Large Auto default Auto Cylinder Number of cylinders Head Number of heads Precomp Write precom...

Page 33: ...meter Description Options Hard Disk Boot Priority This features displays the Hard Disk Boot Device priority from high to low and allows users to set the Hard Disk Boot Device Priority Press Enter to enter the setting screen Use wory to select a device then press to move it up or to move it down the list Press ESC to exit Press Enter ...

Page 34: ... not during POST Enabled Disabled First Second Third Boot Device The item allows you to see the sequence of boot device where BIOS attempts to load the disk operation system Floppy LS120 Hard Disk CD ROM ZIP USB FDD USB ZIP USB CDROM USB HDD LAN Disabled Boot From Other Devices This item allows user to enable or disable to boot from other device Enabled Disabled Boot Up NumLock Status This item al...

Page 35: ...meter Description Options Dual Monitor Support This category allows you to enable or disable dual monitor support function Enabled Disabled Frame Buffer Size This field displays how much frame buffer size of the system CPU Frequency This field allows you to determine CPU frequency of the system ...

Page 36: ...CPU and North Bridge Enabled Disabled SSE SSE2 Instructions This feature controls the availability of the processor s SSE and SSE2 instruction sets When enabled the processor s SSE and SSE2 instruction sets are enabled Software applications can make use of those instructions to better process large amounts of data quickly When disabled the processor s SSE and SSE2 instruction sets are disabled Sof...

Page 37: ... in this menu Parameter Description Options IDE Function Setup This page allows you to setup IDE function Press Enter Onboard Device Setup This page allows you to setup onboard devices Press Enter Onboard I O Chip Setup This page allows you to setup onboard I O chip Press Enter ...

Page 38: ...32 Integrated Peripherals IDE Function Setup ...

Page 39: ...aster Slave UDMA UDMA Ultra DMA is a DMA data transfer protocol that utilized ATA transfer protocol that utilizes ATA commands and the ATA bus to allow DMA commands to transfer data ata maximum burst rate of 33 MB s When you select Auto in the four IDE UDMA fields for each of up to four IDE devices that the internal PCI IDE interface supports the system automatically determines the optimal data tr...

Page 40: ...d write If your IDE hard drive supports block mode most new drives do select Enabled for automatic detection of the optimal number of block read write per sector the drive can support Enabled Disabled SATA PORT Speed Settings This category allows you to determine the speed of SATA port Auto Integrated Peripherals Onboard Device Setup ...

Page 41: ... enables or disables USB mouse support function Enabled Disabled ALC888S Audio Change the on board Audio to auto or disabled Auto Disable MAC LAN Enables or disables onboard LAN controller If you wish to use the motherboard s onboard LAN controller you should certainly enable this BIOS feature You can disable this feature if you do not want to use the motherboard s onboard LAN controller This may ...

Page 42: ...36 Integrated Peripherals Onboard I O Chip Setup ...

Page 43: ...elect an address and corresponding interrupt for the serial port UR2 Duplex Mode In an infrared port mode this field appears Full duplex mode permits simultaneous tow direction transmission Half duplex mode permits transmission in one direction only at a time Select the value required by the IR device connected to the IR port Onboard Parallel Port Select a logical LPI port address and correspondin...

Page 44: ...gement menu lets you configure your system to most effectively save energy while operating in a manner consistent with your own style of computer use The following screen shows the Power Management parameters and their default settings ...

Page 45: ...e S3 sleep mode is s power down state in which power is supplied only to essential components such as main memory and wake capable devices and all system context is saved to main memory The information stored in memory will be used to restore the PC to the previous state when an wake up event occurs S1 POS Set ACPI suspend type to S1 POS Power On Suspend S3 STR Set ACPI suspend type to S3 STR HDD ...

Page 46: ... sec WOL PME From Soft Off This category enables or disables wake on Lan from soft off Enabled Disabled Resume by Alarm You can set Resume by Alarm item to enabled and key in Date Time to power on system Disabled Enabled Enable alarm function to Power On system If RTC Alarm Lead to Power On is Enabled Date of Month Alarm Everyday 1 31 Time hh mm ss Alarm 0 23 0 59 0 59 POWER ON Function Select the...

Page 47: ...41 PCI PnP Setup ...

Page 48: ...ed By This item allows user to assign PnP resource I O address IRQ DMA channels for Plug and Play compatible devices automatically or manually Auto Manual IRQ Resources When resource are controlled by manually assign each system interrupt a type depending on the type of device using the interrupt Option PCI Device Assign this IRQ for PCI device Reserved Reserve this IRQ for other device Press Ente...

Page 49: ...43 PC Health Status ...

Page 50: ...FAN Control The item displays the system Smart Fan Function status It is always enabled by system Frequency Voltage Control CMOS Setup Utility Copyright C 1985 2005 American Megatrends Inc Frequency Voltage Control Ratio Actual Value 10 Enabled Auto Detect DIMM PCI CLK Enabled Spread Spectrum Enabled Help Item Options Disabled F1 General Help F9 Optimized Defauits ٛ Move Enter Select Value F10 Sav...

Page 51: ...nerator pulses the extreme values spikes of the pulses create EMI Electromagnetic Interference The spread Spectrum function reduces the EMI generated by modulating the pulses so that the spikes of the pulses are reduced to flatter curves If you do not have any EMI problem leave the setting at Disabled for optimal system stability and performance But if you are plagued by EMI setting to Enabled for...

Page 52: ...tems in the Setup Utility Parameter Description Options Load Default Settings Select the field loads the factory defaults for BIOS and Chipset Features which the system automatically detects This option opens a dialog box that lets you install optimized defaults for all appropriate items in the Setup Utility ...

Page 53: ...47 Set Supervisor User Password When this function is selected the following message appears at the center of the screen to assist you in creating a password ...

Page 54: ...the selection PASSWORD DISABLED To disable password just press Enter when you are prompted to enter password with empty A message will confirm the password being disabled If you have selected System in Security Option of BIOS Feature Setup menu you will be prompted for the password every time the system reboots or any time you try to enter BIOS Setup If you have selected Setup at Security Option f...

Page 55: ...anges that you have made in the Setup Utility and exit the Setup Utility Parameter Description Options Save Exit Setup Press Enter to save the changes that have made in the Setup Utility and exit the Setup Utility Press Y to save and Exit or N to return to the main menu ...

Page 56: ...ght this item and press Enter to discard any changes that you have made in the Setup Utility and exit the Setup Utility Parameter Description Options Exit Without Saving Press Enter to discard any changes and exit the Setup Utility ...

Page 57: ...trap and conductive mat for preventing electrostatic discharge Wire cutter Phillips screwdriver may require different size NOTE The screws for the different components vary in size During the disassembly process group the screws with the corresponding components to avoid mismatches when putting back the components ...

Page 58: ...fore You Begin Before proceeding with the disassembly procedure make sure that you do the following 1 Turn off the power to the system and all peripherals 2 Unplug the AC adapter and all power and signal cables from the system ...

Page 59: ...tells you how to disassemble the system when you need to perform system service Please also refer to the disassembly video if available CAUTION Before you proceed make sure you have turned off the system and all peripherals connected to it ...

Page 60: ...54 Veriton M420 220 Extensa E420 Standard Disassembly Process Bezel Label Process 1 According to the requirement paste ATI OS CPU HDMI and marketing label by SKU Veriton M420 ...

Page 61: ...55 Veriton M220 Extensa E420 ...

Page 62: ...ly rule Remove side cover Process 1 Put the Computer on the worktable lightly 2 Release left side cover with 2 screws then remove left side cover V CD ROM V DVD V CD RW V COMBO V DVD DUAL V SUPERMULTI Slave ODD Master ODD ODD Master ODD Slave ODD ...

Page 63: ...57 Remove Front Bezel Process 1 Remove the power switch cable from M B F_PANEL port 2 Remove front bezel from chassis Push the side cover Screw location Screw location ...

Page 64: ...over tooless 2 Remove VGA TV Modem Card the following list is for your reference about the mutual location relation Optional by SKU Notice I Remove card don t touch any electric parts on PCB VGA card TV card Modem card Modem card TV card VGA card ...

Page 65: ...DD ODD data cable from M B 2 Remove master HDD data power cable HDD data cable HDD power cable Connect Master HDD Connect Slave HDD Connect FDD SATA2 SATA3 SATA1 SATA4 Port Forward SATA1 Master HDD SATA2 Master ODD SATA3 Slave HDD SATA4 Slave ODD ...

Page 66: ...60 Remove ODD DATA cable Process 1 Remove master ODD data and power cable from ODD 2 Remove slave ODD data and power cable from master and Slave ODD Optional by SKU ODD power cable ODD data cable ...

Page 67: ...lave HDD Cable into HDD2 slot Remove Cables Process 1 Remove Audio cable from M B F AUDIO 2 Remove card reader cable from M B USB2 3 Remove USB1 cable from M B F_USB4 4 Remove USB2 cable from M B F_USB3 5 Remove recovery cable from M B 6 Remove the Intrusion cable from M B ...

Page 68: ...62 USB 4 port Front audio cable Card reader USB 3 port cable clip Recovery cable location Intrusion cable location ...

Page 69: ...ose to the cooler when connecting Recovery cable III The red cable of them is requested to close to PCI slot with MB when connecting Intrusion cable Paste clip Cable routing Process 1 We should paste a cable clip on bottom Put audio cable into the cable clip 2 Cable routing Put audio USB Card reader 1394 cable into the cable clip Paste 1pcs cable clip ...

Page 70: ...ve HDD Process 1 Remove Master HDD from the first HDD location 3 Remove Slave HDD from the second HDD location Optional by SKU Remove card reader Process 1 Remove card reader from chassis Master HDD Slave HDD ...

Page 71: ...ocess 1 Remove FDD digital cable just as pictures Optional by SKU 2 Plug 4 pins power cord from FDD slot Remove from FDD Remove from M B FDD1 slot Card d FDD Card reader and FDD FDD Only FDD Card reader Only card reader B A ...

Page 72: ...66 Remove ODD Process 1 Push the lock handle release ODD 2 Remove Master ODD from the location 3 Remove slave ODD from the location Optional by SKU Master ODD location Slave ODD location ...

Page 73: ...nnector SYS FAN 3 Remove P1 power cable from M B connector PWR 4 Remove heat sink cable from M B connector CPU_ FAN Remove the Insert TPM card and speaker Process 1 Remove the TPM card from M B TPM connector Optional by SKU 2 Remove the speaker from Chassis P1 power cable CPU FAN 12V power cable System fan cable ...

Page 74: ...68 Remove the speaker Note I Must take of the direction when connect the cables TPM card I II III IV Audio 10mm 25mm speaker 10mm 25mm I II Audio ...

Page 75: ...69 Remove System FAN Process 1 Release four screws according to the following picture 2 Remove Sys FAN Optional by SKU Release four screws 4 3 1 2 The direction of System FAN ...

Page 76: ...move mother board Process 1 Release 8PCS screws form the corresponding hole 2 Release screws according to the following picture in turn 3 Remove the Mother board from chassis 1 2 3 7 6 5 4 8 Raised platform ...

Page 77: ...Remove memory Process 1 Open the memory slot then remove memory 2 Remove the first Memory from DIMM1 slot 3 Remove the second Memory from DIMM2 slot Optional by SKU DIMM2 DIMM1 Open the memory slot then remove memory B B A A B A A A B B A A B A DIMM 4 DIMM 3 DIMM 2 DIMM 1 Memory install place ...

Page 78: ...72 Remove CPU Process 1 Remove CPU according following the pictures Remove I O shielding Process 1 Remove I O Shielding Corresponding Open the handle then removes CPU ...

Page 79: ...oubleshooting Please refer to generic troubleshooting guide for troubleshooting information relating to following topics Power On Self Test POST POST Check Points POST Error Messages List Error Symptoms List ...

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Page 82: ... 5 4 3 2 1 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 Pin Signal Name Pin Signal Name 1 3 3 13 3 3V 2 3 3 14 12V 3 COM 15 COM 4 5V 16 PS_ON 5 COM 17 COM 6 5V 18 COM 7 COM 19 COM 8 PWR OK 20 5V 9 5VSB 21 5V 10 12V 22 5V 11 12V 23 5V 12 3 3V 24 COM ...

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Page 88: ...ING FRU PARTS that you should check the most up to date information available on your regional web or channel For whatever reasons a part number change is made it will not be noted in the printed Service Guide For ACER AUTHORIZED SERVICE PROVIDERS your Acer office may have a DIFFERENT part number code to those given in the FRU list of this printed Service Guide You MUST use the local FRU list prov...

Page 89: ... 3 5 FILLER PANEL 11 USB BOARD 2 5 25 ROTATE COVER 12 USB BKT 3 V451 BEZEL 13 RIGHT SIDE 4 CD ROM 14 CHASSJS 5 FDD VJTH PANEL 15 POWER SUPPLY 6 HDD DISK 16 FAN 7 MOTHER BOARD 17 PCI BKT 8 HDD LOCK SLIDE 18 LEFT SIDE 9 FDD LOCK SLIDE 10 CDROM LOCK SLIDE ...

Page 90: ... COVER 11 USB BOARD 2 5 25 COVER 12 USB BKT 3 VM200 BEZEL 13 RIGHT SIDE 4 CD ROM 14 CHASSIS 5 FDD VJTH PANEL 15 POWER SUPPLY 6 HDD DISK 16 FAN 7 NOTHER BOARD 17 PCI BKT 8 HDD LOCK SLIDE 18 LEFT SIDE 9 FDD LOCK SLIDE 19 10 CDROM LOCK SLIDE 20 ...

Page 91: ...ZEL 11 FAN 2 3 25 COVER 12 PCI BRACKET 3 5 25 COVER 13 LEFT SIDE DOOR 4 USB SHIELDING 14 MOTHERBOARD 5 USB PCB ASM 15 HDD LOCK SLIDE 6 FDD LOCK SLIDE 16 HDD 7 CD ROM LOCK SLIDE 17 3 5 DEVICE 8 CHASSIS 18 CD ROM 9 RIGHT SIDE DOOR 19 10 POWER SUPPLY 20 ...

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