AlphaPC 164LX Motherboard DIGITAL UNIX User`s Manual
Contents
1. 2 4 2 3 Physical Parameters 2 5 2 3 1 ATX Hole Specification 2 6 2 3 2 ATX I O Shield Requirements 2 7 3 AlphaPC 164LX Jumper Configuration 3 1 CPU Speed Selection 3 1 3 2 Bcache Size Jumpers CF1 and CF2 3 1 3 3 Boot Option Jumper CF7 3 3 3 4 Flash ROM Update Jumper J28 3 3 4 AlphaPC 164LX Connector Pinouts 4 1 PCI Bus Connector Pinouts 4 1 4 2 ISA Expansion Bus Connector Pinouts 4 3 4 3 SDRAM DIMM Connector Pinouts 4 4 4 4 EIDE Drive Bus Connector Pinouts 4 5 4 5 Diskette Floppy Drive Bus Connector Pinouts2. 4 10 5 Memory and Microprocessor Configuration 5 1 Configuring SDRAM Memory 5 1 5 2 Upgrading SDRAM Memory 5 2 5 3 Increasing Microprocessor Speed 5 3 5 3 1 Preparatory Information 5 3 5 3 2 Required Tools 5 3 5 3 3 Removing the 21164 Microprocessor 5 4 5 3 4 Installing the 21164 Microprocessor 5 4 6 Interrupts and ISA Bus Addresses 6 1 Interrupts 6 1 6 2 ISA I O Address Map 6 2 6 2 1 Flash ROM Address Map 6 3 7 Alpha SRM Console Firmware 7 1 Alpha SRM Console Firmware Conventions 7 1 7 2 Basic Alpha SRM Console Co
3. 4 6 4 6 Parallel Bus Connector Pinouts 4 6 4 7 COM1 COM2 Serial Line Connector Pinouts 4 7 4 8 Keyboard Mouse Connector Pinouts 4 7 4 9 SROM Test Data Input Connector Pinouts 4 8 4 10 Input Power Connector Pinouts 4 8 iv 4 11 Enclosure Fan Power Connector Pinouts 4 8 4 12 Speaker Connector Pinouts 4 9 4 13 Microprocessor Fan Power Connector Pinouts 4 9 4 14 Power LED Connector Pinouts 4 9 4 15 EIDE Drive LED Connector Pinouts 4 10 4 16 Reset Button Connector Pinouts 4 10 4 17 Halt Button Connector Pinouts 4 10 4 18 Soft Power Connector Pinouts
4. 8 2 8 4 Fail Safe Booter 8 4 9 Battery Recycle Disposal Information A Supporting Products A 1 Memory A 1 A 2 Thermal Products A 3 A 3 Power Supply A 3 A 4 Enclosure A 3 B Associated Documentation vi Figures 2 1 AlphaPC 164LX Jumper Connector Component Location 2 2 2 2 ATX Hole Specification 2 6 2 3 ATX I O Shield Dimensions 2 7 3 1 AlphaPC 164LX Configuration Jumpers 3 2 5 1 Fan Heat Sink Assembly 5 5 7 1 AlphaBIOS Boot Screen
5. 7 23 7 2 AlphaBIOS Setup Screen 7 24 7 3 AlphaBIOS Upgrade Options Screen 7 25 7 4 AlphaBIOS Warning Screen 7 26 7 5 AlphaBIOS Upgrade SRM Console Screen 7 27 7 6 AlphaBIOS Upgrade Complete Screen 7 28 vii Tables 2 1 AlphaPC 164LX Features 2 1 2 2 AlphaPC 164LX Jumper Connector Component List 2 3 2 3 Power Supply DC Current Requirements 2 4 2 4 AlphaPC 164LX Motherboard Environmental Requirements 2 5 4 1 PCI Bus Connector Pinouts 4 1 4 2 ISA Expansion Bus Connector Pinouts J30 J31 4 3 4 3 SDRAM DIMM Connector Pinouts J8 through J11 4 4 4 4 EIDE Drive Bus Connector Pinouts J6 J7 4 5 4
6. PC Program counter The location immediately following the last location referenced by examine or deposit Alpha SRM Console Firmware 7 9 Basic Alpha SRM Console Command Descriptions lt data gt The data to be deposited Options The location immediately preceding the last location referenced by examine or deposit The location last referenced by examine or deposit The location addressed by the last location referenced by examine or deposit deposit Command Option Description b Specifies data type is byte w Specifies data type is word l Specifies data type is longword q Specifies data type is quadword o Specifies data type is octaword h Specifies data type is hexword physical References physical address space virtual References virtual address space gpr References general purpose register address space fpr References floating point register address space ipr References internal processor register address space n lt count gt Specifies the number of consecutive locations to examine s lt step gt Specifies the address increment as a hexadecimal value This option allows you to override the increment that is normally derived from the data size Symbolic Address Description 7 10 Alpha SRM Console Firmware Basic Alpha SRM Console Command Descriptions Description The deposit command writes data to the specified address such as
7. 25 Gnd AlphaPC 164LX Connector Pinouts 4 7 COM1 COM2 Serial Line Connector Pinouts 4 7 COM1 COM2 Serial Line Connector Pinouts Table 4 7 shows the COM1 COM2 serial line connector pinouts 4 8 Keyboard Mouse Connector Pinouts Table 4 8 shows the keyboard mouse connector pinouts Table 4 7 COM1 COM2 Serial Line Connector Pinouts J4 COM1 Pin Top COM1 Signal COM2 Pin Bottom COM2 Signal 1 DCD1 1 DCD2 2 RxD1 2 RxD2 3 TxD1 3 TxD2 4 DTR1 4 DTR2 5 SG1 5 SG2 6 DSR1 6 DSR2 7 RTS1 7 RTS2 8 CTS1 8 CTS2 9 RI1 9 RI2 Table 4 8 Keyboard Mouse Connector Pinouts J5 Keyboard Pin Top Keyboard Signal Mouse Pin Bottom Mouse Signal 1 KBDATA 1 MSDATA 2 NC 2 NC 3 Gnd 3 Gnd 4 Vdd 4 Vdd 5 KBCLK 5 MSCLK 6 NC 6 NC 4 8 AlphaPC 164LX Connector Pinouts SROM Test Data Input Connector Pinouts 4 9 SROM Test Data Input Connector Pinouts Table 4 9 shows the SROM test data input connector pinouts 4 10 Input Power Connector Pinouts Table 4 10 shows the input power connector pinouts 4 11 Enclosure Fan Power Connector Pinouts Table 4 11 shows the enclosure fan power connector pinouts 1 This pinout is ATX compliant Table 4 9 SROM Test Data Input Connector Pinouts J29 Pin Signal Name 1 NC 2 SROM_CLK_L Clock out 3 Gnd 4 NC 5 TEST_SROM_D_L SROM serial data in 6 NC Table 4 10 Inp
8. 600 625 9 600 8 950 6 100 ISA Connector 2 Places PCI Connector 4 Places 1 300 11 100 12 000 This ATX hole is not supported on AlphaPC 164LX board however clearance is provided on side 2 This ATX hole is not supported on AlphaPC 164LX board and no clearance is provided on side 2 FM 06012 AI4 Features 2 7 Physical Parameters 2 3 2 ATX I O Shield Requirements Figure 2 3 shows the ATX I O shield dimensions for the AlphaPC 164LX Figure 2 3 ATX I O Shield Dimensions 11 15 15 47 4 35 17 95 22 95 23 96 29 10 33 10 9 25 3 58 2 45 5 00 TYP R 1 00 21 36 16 05 68 4 64 9 24 7 16 7 35 5 43 5 74 8 78 2 85 4 87 2 94 4 98 9 64 91 60 26 51 27 42 28 40 48 34 13 25 14 16 15 14 35 8 00 0 99 9 98 11 78 18 13 19 93 28 92 37 91 44 26 46 06 55 05 64 04 70 39 72 19 81 18 90 17 95 40 14 96 R 1 00 7 19 TYP FM 05986 AI4 AlphaPC 164LX Jumper Configuration 3 1 3 AlphaPC 164LX Jumper Configuration The AlphaPC 164LX motherboard has two groups of jumpers located at J27 and J28 as shown in Figure 2 1 These jumpers set the hardware configuration and boot options Figure 3 1 shows these jumper configurations 3 1 CPU Speed Selection The clock synthesizer at location U47 makes it possible to change the frequency of the microprocessor s system clock output without having to change the clock
9. 64 SBHE 65 IOCS16 66 LA23 67 IRQ10 68 LA22 69 IRQ11 70 LA21 71 IRQ12 72 LA20 73 IRQ15 74 LA19 75 IRQ14 76 LA18 77 DACK0 78 LA17 79 DRQ0 80 MEMR 81 DACK5 82 MEMW 83 DRQ5 84 SD8 85 DACK6 86 SD9 87 DRQ6 88 SD10 89 DACK7 90 SD11 91 DRQ7 92 SD12 93 Vdd 94 SD13 95 MASTER 96 SD14 97 Gnd 98 SD15 4 4 AlphaPC 164LX Connector Pinouts SDRAM DIMM Connector Pinouts 4 3 SDRAM DIMM Connector Pinouts Table 4 3 shows the SDRAM DIMM connector pinouts Table 4 3 SDRAM DIMM Connector Pinouts J8 through J11 1 Sheet 1 of 2 Pin Signal Pin Signal Pin Signal Pin Signal 1 Gnd 2 DQ0 3 DQ1 4 DQ2 5 DQ3 6 3V 7 DQ4 8 DQ5 9 DQ6 10 DQ7 11 DQ8 12 Gnd 13 DQ9 14 DQ10 15 DQ11 16 DQ12 17 DQ13 18 3V 19 DQ14 20 DQ15 21 CB0 22 CB1 23 Gnd 24 NC 25 NC 26 3V 27 WE 28 DQMB0 29 DQMB1 30 S0 31 NC 32 Gnd 33 A0 34 A2 35 A4 36 A6 37 A8 38 A10 39 A12 40 3V 41 3V 42 CK0 43 Gnd 44 NC 45 S2 46 DQMB2 47 DQMB3 48 NC 49 3V 50 NC 51 NC 52 CB2 53 CB3 54 Gnd 55 DQ16 56 DQ17 57 DQ18 58 DQ19 59 3V 60 DQ20 61 NC 62 NC 63 CKE1 64 Gnd 65 DQ21 66 DQ22 67 DQ23 68 Gnd 69 DQ24 70 DQ25 71 DQ26 72 DQ27 73 3V 74 DQ28 75 DQ29 76 DQ30 77 DQ31 78 Gnd 79 CK2 80 NC 81 NC 82 SDA 83 SCL 84 3V 85 Gnd 86 DQ32 87 DQ33 88 DQ34 89 DQ35 90
10. J1 4 10 5 1 AlphaPC 164LX SDRAM Memory Configurations 5 1 6 1 ISA Interrupts 6 1 6 2 ISA I O Address Map 6 2 7 1 AlphaBIOS Keys 7 22 8 1 Beep Codes 8 2 8 2 Post Codes 8 2 About This Manual 1 1 1 About This Manual This manual describes the AlphaPC 164LX motherboard a module for computing systems based on the DIGITAL Semiconductor Alpha 21164 microprocessor and the companion DIGITAL Semiconductor 21174 core logic chip It describes the motherboard s features and how to set its configuration jumpers This manual helps users to install and populate the AlphaPC 164LX motherboard with memory modules and peripheral cards 1 1 Manual Conventions and Terminology The following conventions are used in this manual Caution Cautions indicate potential damage to equipment software or data Note Notes
11. gt gt show boot refer to Section 7 3 Lists all environment variables beginning with boot Alpha SRM Console Firmware 7 19 Environment Variables for Alpha SRM Console Commands 7 3 1 1 Architecture Required Environment Variables The following table shows common Alpha SRM Console architecture required environment variables and their descriptions For a complete list enter show at the Alpha SRM Console prompt Architecture Required Environment Variable Description auto_action When used with the set or show command this variable modifies or displays the console action that follows an error halt or power up The action can be halt boot or restart The default is halt boot_file When used with the set or show command this variable modifies or displays the file name to be used when a bootstrap requires a file name The default is null boot_osflags When used with the set or show command this variable modifies or displays the additional parameters to be passed to system software The default is 0 bootdef_dev When used with the set or show command this variable modifies or displays the default device or device list from which the system will attempt to boot If the system software is preloaded the variable is preset to point to the device containing the preloaded software The default is null 7 20 Alpha SRM Console Firmware Environment Variables for Alpha SRM Console Commands 7 3 1 2 System Defined
12. 800 845 2545 Micron Semiconductor Products Inc 8000 South Federal Way Mail Stop 607 Boise ID 83706 Phone 208 368 3900 Fax 208 368 5018 NEC Electronics Inc The Meadows Building 4th Floor 161 Worcester Road Framingham MA 01701 Phone 508 935 2000 Fax 508 935 2233 Samsung America Inc 3655 N First Street San Jose CA 95134 Phone 1 800 423 7364 Viking Components 30200 Avenida de la Banderas Rancho Santa Margarita CA 92688 attn Jeff Jones OEM Development Executive Phone 1 800 338 2361 ext 423 Fax 714 643 7250 Supporting Products A 3 Thermal Products A 2 Thermal Products Components included in this heat sink and fan solution are heat sink GRAFOIL pad two hex nuts heat sink clips 60 mm fan and four screws These are available from United Machine and Tool Design River Road Fremont NH 03044 Phone 603 642 5040 Fax 603 642 5819 PN 70 32810 02 A 3 Power Supply An ATX form factor power supply suitable for use with the AlphaPC 164LX 3 3 V 5 V 5 V 12 V 12 V is available from Quantum Power Labs Inc 1410 Gail Borden Place C 4 El Paso TX 79935 Phone 915 599 2688 Fax 915 599 2699 PN AP2 5300FRV 300 W Antec Inc 2859 Bayview Drive Fremont CA 94538 Phone 510 770 1200 ext 312 PN PP 253V 250 W A 4 Enclosure An enclosure suitable for housing the AlphaPC 164LX and its power supply is available from Axxion Group Corporation 7801 Trade
13. A86 D 38 A87 Gnd A88 D 36 A89 D 34 A90 Gnd A91 D 32 A92 A93 Gnd A94 B63 B64 Gnd B65 C BE 6 B66 C BE 4 B67 Gnd B68 D 63 B69 D 61 B70 Vdd B71 D 59 B72 D 57 B73 Gnd B74 D 55 B75 D 53 B76 Gnd B77 D 51 B78 D 49 B79 Vdd B80 D 47 B81 D 45 B82 Gnd B83 D 43 B84 D 41 B85 Gnd B86 D 39 B87 D 37 B88 Vdd B89 D 35 B90 D 33 B91 Gnd B92 B93 B94 Gnd Table 4 1 PCI Bus Connector Pinouts Sheet 2 of 2 Pin Signal Pin Signal Pin Signal Pin Signal AlphaPC 164LX Connector Pinouts 4 3 ISA Expansion Bus Connector Pinouts 4 2 ISA Expansion Bus Connector Pinouts Table 4 2 shows the ISA expansion bus connector pinouts Table 4 2 ISA Expansion Bus Connector Pinouts J30 J31 Pin Signal Pin Signal Pin Signal Pin Signal 1 Gnd 2 IOCHCK 3 RSTDRV 4 SD7 5 Vdd 6 SD6 7 IRQ9 8 SD5 9 5V 10 SD4 11 DRQ2 12 SD3 13 12V 14 SD2 15 ZEROWS 16 SD1 17 12V 18 SD0 19 Gnd 20 IOCHRDY 21 SMEMW 22 AEN 23 SMEMR 24 SA19 25 IOW 26 SA18 27 IOR 28 SA17 29 DACK3 30 SA16 31 DRQ3 32 SA15 33 DACK1 34 SA14 35 DRQ1 36 SA13 37 REFRESH 38 SA12 39 SYSCLK 40 SA11 41 IRQ7 42 SA10 43 IRQ6 44 SA9 45 IRQ5 46 SA8 47 IRQ4 48 SA7 49 IRQ3 50 SA6 51 DACK2 52 SA5 53 TC 54 SA4 55 BALE 56 SA3 57 Vdd 58 SA2 59 OSC 60 SA1 61 Gnd 62 SA0 63 MEMCS16
14. AD 22 A29 AD 20 A30 Gnd A31 AD 18 A32 AD 16 A33 3V A34 FRAME A35 Gnd A36 TRDY A37 STOP A38 STOP A39 3V A40 SDONE A41 SBO A42 Gnd A43 PAR A44 AD 15 A45 3V A46 AD 13 A47 AD 11 A48 Gnd A49 AD 09 A50 Not used A51 Not used A52 C BE 0 A53 3V A54 AD 06 A55 AD 04 A56 Gnd A57 AD 02 A58 AD 00 A59 Vdd A60 REQ64 A61 Vdd A62 Vdd B1 12V B2 TCK B3 Gnd B4 TDO B5 Vdd B6 Vdd B7 INTB B8 INTD B9 PRSNT1 B10 4 2 AlphaPC 164LX Connector Pinouts PCI Bus Connector Pinouts B11 PRSNT2 B12 Gnd B13 Gnd B14 B15 Gnd B16 CLK B17 Gnd B18 REQ B19 Vdd B20 AD 31 B21 AD 29 B22 Gnd B23 AD 27 B24 AD 25 B25 3V B26 C BE 3 B27 AD 23 B28 Gnd B29 AD 21 B30 AD 19 B31 3V B32 AD 17 B33 C BE 2 B34 Gnd B35 IRDY B36 3V B37 DEVSEL B38 Gnd B39 LOCK B40 PERR B41 3V B42 SERR B43 3V B44 C BE 1 B45 AD 14 B46 Gnd B47 AD 12 B48 AD 10 B49 Gnd B50 Not used B51 Not used B52 AD 08 B53 AD 07 B54 3V B55 AD 05 B56 AD 03 B57 Gnd B58 AD 01 B59 Vdd B60 ACK64 B61 Vdd B62 Vdd 64 Bit PCI Connectors Only J23 J26 A63 Gnd A64 C BE 7 A65 C BE 5 A66 Vdd A67 PAR64 A68 D 62 A69 Gnd A70 D 60 A71 D 58 A72 Gnd A73 D 56 A74 D 54 A75 Vdd A76 D 52 A77 D 50 A78 Gnd A79 D 48 A80 D 46 A81 Gnd A82 D 44 A83 D 42 A84 Vdd A85 D 40
15. Environment Variables The following table shows common Alpha SRM Console system defined environment variables and their descriptions For a complete list enter show at the Alpha SRM Console prompt System Defined Environment Variable Description console When used with the set command this variable modifies the console output to either the serial port or the graphics controller control_scsi_term This variable is unused in the motherboard system ewa0_mode This variable determines if the AUI ThinWire or the twisted pair Ethernet ports will be enabled AUI is the default Autosensing is not supported os_type When used with the set or show command this variable modifies or displays the specified firmware that will be loaded on the next power cycle Specify the value osf or UNIX to select the Alpha SRM Console pci_parity This variable controls PCI parity checking The possible values are on Parity checking is enabled off Parity checking is disabled this is the default sniff Parity checking is enabled or disabled depending on the PCI device oem_string When used with the set or show command this variable modifies or displays a text string that identifies the product name in the Alpha SRM Console banner Alpha SRM Console Firmware 7 21 Environment Variables for Alpha SRM Console Commands language n The language environment variable assigns language n to the system where n is the option number o
16. crystal Simply set the system clock divisor jumpers to adjust the frequency of the microprocessor s system clock output These system clock divisor jumpers are located at J27 1 2 IRQ3 J27 3 4 IRQ2 J27 5 6 IRQ1 and J27 7 8 IRQ0 The jumper configuration is set in IRQ3 through IRQ0 These four jumpers set the speed at power up as listed in Figure 3 1 The microprocessor frequency divided by the ratio determines the system clock frequency 3 2 Bcache Size Jumpers CF1 and CF2 The Bcache size jumpers are located at J27 11 12 CF and J27 13 14 CF2 These jumpers configure the Bcache as specified in Figure 3 1 3 2 AlphaPC 164LX Jumper Configuration Bcache Size Jumpers CF1 and CF2 Figure 3 1 AlphaPC 164LX Configuration Jumpers 1 3 5 7 9 11 13 15 17 19 21 23 25 IRQ3 IRQ2 IRQ1 IRQ0 CF0 CF1 CF2 CF3 CF4 CF5 CF6 CF7 Reserved Default Out Boot_Option Default Out Reserved Default Out Reserved Default Out Reserved Default Out Reserved Default Out Bcache Size CF1 CF2 Comments 2MB Out Out Default All other combinations are reserved Reserved Default Out Frequency Ratio IRQ3 IRQ2 IRQ1 IRQ0 Comments 466 MHz 7 In Out Out Out Default 533 MHz 8 Out In In In 600 MHz 9 Out In In Out All other combinations are reserved J27 System Configuration Jumpers J28 Flash ROM Update
17. the following hardware and software to install the DIGITAL UNIX operating system on an AlphaPC 164LX motherboard system A minimum of 32MB of main memory 64MB is recommended A 1GB or larger SCSI or EIDE hard disk capable of storing the supported software subsets Supported load devices SCSI CD ROM drive capable of reliably reading in 512 byte block mode or EIDE ATAPI CD ROM drive or A network interface A console terminal with ASCII capability or a supported graphics display console DIGITAL UNIX Version 4 0D or higher Operating System Volume 1 compact disc Alpha SRM Console Version 4 9 or higher Troubleshooting 8 1 8 Troubleshooting This chapter contains information about troubleshooting hardware and software during AlphaPC 164LX startup 8 1 Hardware Startup Use the following troubleshooting steps if video is not working on your system If you still have no video after reviewing these steps please call your system vendor Troubleshooting Steps No Video 1 Check the connection to the ac outlet 2 Check the voltage setting on the power supply 115 V ac in the U S 3 Check that the frequency jumper selection matches the speed of the Alpha chip 4 Check that the oscillator is installed into the motherboard correctly 5 Check that the CPU fan is connected and spinning 6 Ensure that the flash ROM update procedure was performed correc
18. 1 2 Features Table 2 1 provides an overview of the AlphaPC 164LX motherboard s features Table 2 1 AlphaPC 164LX Features Feature Description Microprocessor DIGITAL Semiconductor Alpha 21164 microprocessor 64 bit RISC Core logic chip DIGITAL Semiconductor 21174 core logic chip comprising a sin gle control chip that provides an interface to system memory and the PCI bus Synchronous DRAM SDRAM memory 32MB to 1GB memory array Two banks of 128 bit memory 168 pin unbuffered SDRAM DIMMs Caching L1 Icache 8KB direct mapped instruction cache on the CPU chip L1 Dcache 8KB direct mapped data cache on the CPU chip L2 Scache 96KB three way set associative write back unified instruction and data cache on the CPU chip L3 backup cache Onboard 2MB direct mapped synchronous SSRAM backup cache with 128 bit data path I O and miscellaneous support 32 bit and 64 bit 33 MHz PCI Two 64 bit and two 32 bit PCI expansion slots PCI EIDE control CMD PCI0646 Intel 82378ZB PCI to ISA bridge chip Two dedicated ISA expansion slots SMC FDC37C935 combination controller chip provides control for diskettes two UARTs with modem control parallel port key board mouse and time of year clock 1MB flash ROM Firmware Alpha SRM Console firmware 2 2 Features Figure 2 1 shows the AlphaPC 164LX motherboard and its components and Table 2 2 describes these components Figure 2 1 AlphaPC 164LX Jumper Connector Component L
19. 3V 91 DQ36 92 DQ37 93 DQ38 94 DQ39 95 DQ40 96 Gnd 97 DQ41 98 DQ42 99 DQ43 100 DQ44 101 DQ45 102 3V 103 DQ46 104 DQ47 105 CB4 106 CB5 107 Gnd 108 NC 109 NC 110 3V 111 CAS 112 DQMB4 113 DQMB5 114 S1 115 RAS 116 Gnd 117 A1 118 A3 119 A5 120 A7 121 A9 122 BA0 123 A13 124 3V AlphaPC 164LX Connector Pinouts 4 5 EIDE Drive Bus Connector Pinouts 4 4 EIDE Drive Bus Connector Pinouts Table 4 4 shows the EIDE drive bus connector pinouts 1 Pins 1 through 84 are on the front side and pins 85 through 168 are on the back side 2 The AlphaPC 164LX uses BA1 as both BA1 and ADDR12 Therefore four bank DIMMs using ADDR 11 0 are the maximum size Two bank DIMMs can use ADDR 12 0 3 Pull down 125 CK1 126 BA12 127 Gnd 128 CKE0 129 S3 130 DQMB6 131 DQMB7 132 PD3 133 3V 134 NC 135 NC 136 CB6 137 CB7 138 Gnd 139 DQ48 140 DQ49 141 DQ50 142 DQ51 143 3V 144 DQ52 145 NC 146 NC 147 PD 148 Gnd 149 DQ53 150 DQ54 151 DQ55 152 Gnd 153 DQ56 154 DQ57 155 DQ58 156 DQ59 157 3V 158 DQ60 159 DQ61 160 DQ62 161 DQ63 162 Gnd 163 CK3 164 NC 165 SA0 166 SA1 167 SA2 168 3V Table 4 4 EIDE Drive Bus Connector Pinouts J6 J7 Pin Signal Pin Signal Pin Signal Pin Signal 1 RESET 2 Gnd 3 IDE_D7 4 IDE_D8 5 IDE_D6 6 IDE_D9 7 IDE_D5 8 IDE_D10 9 IDE_D4 10 IDE_D11 11 IDE_D3 12 IDE_D12 13 IDE_D2 1
20. 4 IDE_D13 15 IDE_D1 16 IDE_D14 17 IDE_D0 18 IDE_D15 19 Gnd 20 NC key pin 21 MARQ 22 Gnd 23 IOW 24 Gnd 25 IOR 26 Gnd 27 CHRDY 28 BALE 29 MACK 30 Gnd 31 IRQ 32 IOCS16 33 ADDR1 34 NC 35 ADDR0 36 ADDR2 37 CS0 38 CS1 39 ACT 40 Gnd Table 4 3 SDRAM DIMM Connector Pinouts J8 through J11 1 Sheet 2 of 2 Pin Signal Pin Signal Pin Signal Pin Signal 4 6 AlphaPC 164LX Connector Pinouts Diskette Floppy Drive Bus Connector Pinouts 4 5 Diskette Floppy Drive Bus Connector Pinouts Table 4 5 shows the diskette floppy drive bus connector pinouts 4 6 Parallel Bus Connector Pinouts Table 4 6 shows the parallel bus connector pinouts Table 4 5 Diskette Floppy Drive Bus Connector Pinouts J15 Pin Signal Pin Signal Pin Signal Pin Signal 1 Gnd 2 DEN0 3 Gnd 4 NC 5 Gnd 6 DEN1 7 Gnd 8 INDEX 9 Gnd 10 MTR0 11 Gnd 12 DR1 13 Gnd 14 DR0 15 Gnd 16 MTR1 17 Gnd 18 DIR 19 Gnd 20 STEP 21 Gnd 22 WDATA 23 Gnd 24 WGATE 25 Gnd 26 TRK0 27 Gnd 28 WRTPRT 29 ID0 30 RDATA 31 Gnd 32 HDSEL 33 ID1 34 DSKCHG Table 4 6 Parallel Bus Connector Pinouts J13 Pin Signal Pin Signal Pin Signal Pin Signal 1 STB 2 PD0 3 PD1 4 PD2 5 PD3 6 PD4 7 PD5 8 PD6 9 PD7 10 ACK 11 BUSY 12 PE 13 SLCT 14 AFD 15 ERR 16 INIT 17 SLIN 18 Gnd 19 Gnd 20 Gnd 21 Gnd 22 Gnd 23 Gnd 24 Gnd
21. 5 Diskette Floppy Drive Bus Connector Pinouts J15 4 6 4 6 Parallel Bus Connector Pinouts J13 4 6 4 7 COM1 COM2 Serial Line Connector Pinouts J4 4 7 4 8 Keyboard Mouse Connector Pinouts J5 4 7 4 9 SROM Test Data Input Connector Pinouts J29 4 8 4 10 Input Power Connector Pinouts J3 4 8 4 11 Enclosure Fan 12 V dc Power Connector Pinouts J2 J19 4 8 4 12 Speaker Connector Pinouts J20 4 9 4 13 Microprocessor Fan Power Connector Pinouts J18 4 9 4 14 Power LED Connector Pinouts J24 4 9 4 15 EIDE Drive LED Connector Pinouts J25 4 10 4 16 Reset Button Connector Pinouts J21 4 10 4 17 Halt Button Connector Pinouts J22 4 10 4 18 Soft Power Connector Pinouts
22. 83 Intel Corporation Literature Sales P O Box 7641 Mt Prospect IL 60056 Phone 1 800 628 8686 FaxBACK Service 1 800 628 2283 BBS 1 916 356 3600 Super I O Combination Controller FDC37C935 Data Sheet Standard Microsystems Corporation 80 Arkay Drive Hauppauge NY 11788 Phone 1 800 443 7364 Fax 1 516 231 6004 Title Vendor
23. AlphaPC 164LX Motherboard DIGITAL UNIX User s Manual Order Number EC R2ZPB TE Revision Update Information This is a revised document It supersedes the AlphaPC 164LX Motherboard DIGITAL UNIX User s Manual EC R2ZPA TE January 1998 Digital Equipment Corporation 1998 All rights reserved Printed in U S A AlphaPC DECnet DIGITAL DIGITAL Semiconductor DIGITAL UNIX OpenVMS ThinWire and the DIGITAL logo are trademarks of Digital Equipment Corporation DIGITAL Semiconductor is a Digital Equipment Corporation business FaxBACK and Intel are registered trademarks of Intel Corporation GRAFOIL is a registered trademark of Union Carbide Corporation Microsoft MS DOS and Windows are registered trademarks and Windows NT is a trademark of Microsoft Corporation SMC is a registered trademark of Standard Microsystems Corporation UNIX is a registered trademark in the United States and other countries licensed exclusively through X Open Company Ltd Xilinx is a trademark of Xilinx Incorporated All other trademarks and registered trademarks are the property of their respective owners iii Contents 1 About This Manual 1 1 Manual Conventions and Terminology 1 1 2 Features 2 1 Power Requirements 2 4 2 2 Environmental Requirements
24. Center Avenue El Paso TX 79912 Phone 915 877 5288 PN DL17 Associated Documentation B 1 B Associated Documentation You can order the following associated documentation directly from the vendor Title Vendor Alpha AXP Architecture Reference Manual PN EY T132E DP Call your local distributor or call Butterworth Heinemann Digital Press at 1 800 366 2665 Alpha Architecture Handbook1 PN EC QD2KB TE See previous entry DIGITAL Semiconductor 21164 Alpha Microprocessor Hardware Reference Manual PN EC QP99B TE Digital Equipment Corporation DIGITAL Semiconductor 77 Reed Road Hudson MA 01749 USA Online World Wide Web access at URL http www digital com semiconductor DIGITAL Semiconductor 21164 Alpha Microprocessor Data Sheet PN EC QP98B TE See previous entry DIGITAL Semiconductor 21174 Core Logic Chip Technical Reference Manual PN EC R12GB TE See previous entry PCI Local Bus Specification Revision 2 1 PCI Multimedia Design Guide Revision 1 0 PCI System Design Guide PCI to PCI Bridge Architecture Specification Revision 1 0 PCI BIOS Specification Revision 2 1 PCI Special Interest Group U S 1 800 433 5177 International 1 503 797 4207 Fax 1 503 234 6762 B 2 Associated Documentation 1 This handbook provides information subsequent to the Alpha AXP Architecture Reference Manual 82420 82430 PCIset ISA and EISA Bridges includes 82378IB ZB SIO PN 2904
25. DMA 2 2F8 2FF Serial port COM2 370 377 Secondary diskette floppy 3BC 3BF Parallel port LPT1 3F0 3F7 Primary diskette floppy 3F8 3FF Serial port COM1 800 FLASH_ADR19 register 801 AlphaPC 164LX configuration register 804 806 PCI interrupt registers Table 6 1 ISA Interrupts Sheet 2 of 2 Interrupt Number Interrupt Source Interrupts and ISA Bus Addresses 6 3 ISA I O Address Map 6 2 1 Flash ROM Address Map The address range for the flash ROM is FFF8 0000 FFFF FFFF Flash space of 1MB is obtained by double mapping this 512KB space FLASH_ADR19 register at I O location 80016 provides this function Writing a 0 to this location enables the lower 512KB of flash Writing a 1 to this location enables the upper 512KB of flash Alpha SRM Console Firmware 7 1 7 Alpha SRM Console Firmware The Alpha SRM Console firmware initializes the system and enables you to install and boot the DIGITAL UNIX operating system This firmware resides in the flash ROM on the AlphaPC 164LX motherboard 7 1 Alpha SRM Console Firmware Conventions The following conventions are used in this section Convention Description gt gt gt Alpha SRM Console prompt Backslash at the end of a line Continuation symbol to continue long commands on the next line _ gt Continuation line prompt Maximum command length 255 characters Multiple contiguous spaces or tabs Treated as a single space Comma
26. Jumpers 1 2 3 1 to 2 In Disable 2 to 3 In Enable Default AlphaPC 164LX Jumper Configuration 3 3 Boot Option Jumper CF7 3 3 Boot Option Jumper CF7 The boot option jumper is located at J27 23 24 CF7 The default position for this jumper is out Figure 3 1 This jumper selects the image to be loaded into memory from the system flash ROM With the jumper out the SRM Console firmware is loaded With the jumper in the fail safe booter is loaded For more information about the fail safe booter refer to Section 8 4 3 4 Flash ROM Update Jumper J28 When J28 2 3 are jumpered together default the flash ROM is write enabled When J28 1 2 are jumpered together the flash ROM is write protected AlphaPC 164LX Connector Pinouts 4 1 4 AlphaPC 164LX Connector Pinouts This chapter contains pinouts for all of the AlphaPC 164LX connectors See Figure 2 1 for connector locations 4 1 PCI Bus Connector Pinouts Table 4 1 shows the PCI bus connector pinouts Table 4 1 PCI Bus Connector Pinouts Sheet 1 of 2 Pin Signal Pin Signal Pin Signal Pin Signal 32 Bit and 64 Bit PCI Connectors J16 J17 J23 J26 A1 TRST A2 12V A3 TMS A4 TDI A5 Vdd A6 INTA A7 INTC A8 Vdd A9 A10 Vdd A11 A12 Gnd A13 Gnd A14 A15 RST A16 Vdd A17 GNT A18 Gnd A19 A20 AD 30 A21 3V A22 AD 28 A23 AD 26 A24 Gnd A25 AD 24 A26 IDSEL A27 3V A28
27. MM connector locations Note 1Mb 72 is not supported Table 5 1 AlphaPC 164LX SDRAM Memory Configurations Sheet 1 of 2 Total Memory Bank 0 J8 and J9 Bank 1 J10 and J11 32MB 2Mb 72 64MB 2Mb 72 4Mb X 72 2Mb X 72 96MB 4Mb X 72 2Mb X 72 5 2 Memory and Microprocessor Configuration Upgrading SDRAM Memory 5 2 Upgrading SDRAM Memory You can upgrade memory in the AlphaPC 164LX by adding more DIMMs or replacing the ones that you have with a greater size Refer to Figure 2 1 for DIMM connector locations Use the following general guidelines 1 Observe antistatic precautions Handle DIMMs only at the edges to prevent damage 2 Remove power from the system 3 Open levers and align the DIMM 4 Firmly push the module into the connector Ensure that the DIMM snaps into the plastic locking levers on both ends 5 Restore power to the system Total Memory Bank 0 J8 and J9 Bank 1 J10 and J11 128MB 4Mb 72 8Mb 72 4Mb 72 160MB 8Mb 72 2Mb 72 192MB 8Mb 72 4Mb 72 256MB 8Mb 72 16Mb 72 8Mb 72 512MB 16Mb 72 32Mb 72 16Mb 72 768MB 32Mb 72 16Mb 72 1GB 32Mb 72 32Mb 72 Table 5 1 AlphaPC 164LX SDRAM Memory Configurations Sheet 2 of 2 Memory and Microprocessor Configuration 5 3 Increasing Microprocessor Speed 5 3 Increasing Microprocessor Speed This section describes h
28. OOTP protocol from Ethernet port ewa0 gt gt gt boot flags 0 1 Boots the system from the default boot device using flag setting 0 1 gt gt gt boot halt dka0 Loads the bootstrap image from disk dka0 halts the bootstrap operation and invokes the console program Subsequently you can enter continue to transfer control to the operating system 7 8 Alpha SRM Console Firmware Basic Alpha SRM Console Command Descriptions deposit Writes data to the specified address Syntax deposit b w l q o h physical virtual gpr fpr ipr n lt count gt s lt step gt lt device gt lt address gt lt data gt Arguments lt device gt The optional device name or address space selects the device to access The following platform independent devices are supported pmem Physical memory vmem Virtual memory All access and protection checking occur If the access is not allowed to a program running with the current processor status PS the console issues an error message If memory mapping is not enabled virtual addresses are equal to physical addresses lt address gt An address that specifies the offset within a device into which data is deposited The address may be any legal symbolic address Valid symbolic addresses are shown in the following table Symbolic Address Description gpr name Represents general purpose register ipr name Represents internal processor register
29. a memory location register device or file The defaults for address space data size and address are the last specified values After initialization the default for address space is physical memory for data size the default is a quadword and for address the default is zero An address or device can be specified by concatenating the device name with the address For example use pmem 0 and specify the size of the address space to be written If a conflicting device address or data size is specified the console ignores the command and issues an error response Examples deposit Command Example Description gt gt gt d n 1ff pmem 0 0 Clears the first 512 bytes of physical memory gt gt gt d l n 3 pmem 1234 5 Writes the value 5 into four longwords starting at physical memory address 1234 gt gt gt d n 8 r0 ffffffff Loads GPRs R0 through R8 with 1 gt gt gt d l n 10 s 200 pmem 0 8 Writes the value 8 in the first longword of the first 17 pages in physical memory Alpha SRM Console Firmware 7 11 Basic Alpha SRM Console Command Descriptions examine Displays the contents of the specified address Syntax examine b w l q o h d physical virtual gpr fpr ipr n lt count gt s lt step gt lt device gt lt address gt Arguments lt device gt The optional device name or address space selects the device to access lt address gt The address specifies the first loc
30. atal error occurs or if an image is successfully loaded The flags option can pass additional information to the operating system about the boot that you are requesting On an OpenVMS system the flags option specifies the system root number and boot flags If you do not specify a boot flag qualifier the default boot flag s value specified by the boot_osflags environment variable is used The protocols option allows selection of either the DECnet MOP or the TCP IP BOOTP network protocols The keywords mop and bootp are valid arguments for this option It is possible to set the default protocol for a port by setting the environment variable ewa0_protocols or era0_protocols to the appropriate protocol Explicitly stating the boot flags or the boot device overrides the current default value for the current boot request but does not change the corresponding environment variable See the Environment Variables for Alpha SRM Console Commands section in this chapter for more information about environment variables Alpha SRM Console Firmware 7 7 Basic Alpha SRM Console Command Descriptions Examples boot Command Example Description gt gt gt boot Boots the system from the default boot device gt gt gt boot ewa0 Boots the system from Ethernet port ewa0 gt gt gt boot file dec2 sys ewa0 Boots the file named dec2 sys from Ethernet port ewa0 gt gt gt boot protocol bootp ewa0 Boots the system using the TCP IP B
31. ation to examine within the current device The address can be any legal address specified Options examine Command Option Description b Specifies data type is byte w Specifies data type is word l Specifies data type is longword q Specifies data type is quadword o Specifies data type is octaword h Specifies data type is hexword d Specifies the data displayed is the decoded macro instruction The Alpha instruction decode d does not recognize machine specific PALcode instructions physical References physical address space virtual References virtual address space gpr References general purpose register address space fpr References floating point register address space 7 12 Alpha SRM Console Firmware Basic Alpha SRM Console Command Descriptions Description The examine command displays the contents of the specified address such as a memory location register device or file The defaults for address space data size and address are the last specified values After initialization the default for address space is physical memory for data size the default is a quadword and for address the default is zero An address or device can be specified by concatenating the device name with the address For example use pmem 0 and specify the size of the address space to be displayed If a conflicting device address or data size is specified the console ignores the command and is
32. e selected to switch the operating system Figure 7 4 AlphaBIOS Warning Screen Press Enter to continue the installation Alpha SRM Console Firmware 7 27 Using the AlphaBIOS Firmware Update Utility to Update the Flash ROM A screen similar to Figure 7 5 is displayed The version numbers shown on your screen may be different than those shown in Figure 7 5 Figure 7 5 AlphaBIOS Upgrade SRM Console Screen Press F10 to continue the installation 7 28 Alpha SRM Console Firmware Using the AlphaBIOS Firmware Update Utility to Update the Flash ROM Figure 7 6 shows an example of the AlphaBIOS Upgrade Complete screen Figure 7 6 AlphaBIOS Upgrade Complete Screen To load the SRM Console power cycle the system Alpha SRM Console Firmware 7 29 Installing the DIGITAL UNIX Operating System 7 5 Installing the DIGITAL UNIX Operating System Note DIGITAL UNIX Version 4 0D is the minimum revision required for the AlphaPC 164LX motherboard system This section supplements the DIGITAL UNIX Installation Guide for installing the DIGITAL UNIX operating system on an AlphaPC 164LX motherboard system Note If you already have a previous version of DIGITAL UNIX installed see the DIGITAL UNIX Installation Guide for information on how to upgrade to a new version of the operating system Be sure to review the preinstallation tasks which are covered in the DIGITAL UNIX Installation Guide 7 5 1 Requirements You need
33. ed U43 System clock PLL CY2308 J15 Diskette floppy drive connector U48 Microprocessor clock synthesizer MC12439 J16 PCI slot 3 32 bit U49 Serial ROM socketed Xilinx XC17128D J17 PCI slot 2 32 bit U50 PCI to ISA bridge Intel 82378ZB J18 Microprocessor fan fan sense connec tor U53 Combination controller Super I O SMC FDC37C935 J19 Enclosure fan 12V power connector U58 Flash ROM 1MB J20 Speaker connector U59 PCI arbiter PAL J21 Reset button connector U60 PCI interrupt request PAL J22 Halt button connector U61 Power controller J23 PCI slot 1 64 bit U62 Power sense J24 Power LED connector 2 4 Features Power Requirements 2 1 Power Requirements The AlphaPC 164LX motherboard has a total power dissipation of 100 W excluding any plug in PCI and ISA devices Table 2 3 lists the power requirement for each dc supply voltage The power supply must be ATX compliant Caution Fan sensor required The 21164 microprocessor cooling fan must have a built in sensor that will drive a signal if the airflow stops The sensor is connected to motherboard connector J18 When the signal is generated it resets the system 2 2 Environmental Requirements The 21164 microprocessor is cooled by a small fan blowing directly into the chip s heat sink The AlphaPC 164LX motherboard is designed to run efficiently by using only this fan Additional fans may be necessary depending upon cabinetry and the req
34. emoving the 21164 Microprocessor Remove the microprocessor currently in place at location U40 by performing the following steps 1 Unplug the fan power sensor cable from connector J18 see Figure 2 1 2 Remove the four 6 32 X 0 875 inch screws that secure the fan and fan guard to the heat sink 3 Remove the fan and fan guard 4 If the sink chip fan clip is used remove it by unhooking its ends from around the ZIF socket retainers 5 Using a 7 16 inch socket remove the two nuts securing the heat sink to the microprocessor studs 6 Remove the heat sink by gently lifting it off the microprocessor 7 Remove and discard the GRAFOIL heat conduction pad 8 Thoroughly clean the bottom surface of the heat sink before affixing it to the new microprocessor 9 Lift the ZIF socket actuator handle to a full 90 angle 10 Remove the microprocessor chip by lifting it straight out of the socket 5 3 4 Installing the 21164 Microprocessor Install the new microprocessor in location U40 by performing the following steps Note Install the heat sink only after the microprocessor has been assembled to the ZIF socket 1 Observe antistatic precautions 2 Lift the ZIF socket actuator handle to a full 90 angle 3 Ensure that all the pins on the microprocessor package are straight 4 The ZIF socket and microprocessor are keyed to allow for proper installation Align the microprocessor with its missing AD01 p
35. f a language listed in the menu that follows Use the following procedure to select the language 1 At the Alpha SRM Console prompt enter the following commands gt gt gt set language 0 gt gt gt init The following menu and prompt are displayed n Language n Language 0 none display menu 40 Fran ais Suisse Romande 30 Dansk 42 Italiano 32 Deutsch 44 Nederlands 34 Deutsch Schweiz 46 Norsk 36 English American 48 Portugues 38 English British Irish 4A Suomi 3A Espa ol 4C Svenska 3C Fran ais 4E Vlaams 3E Fran ais Canadian 1 16 2 Enter the number that corresponds to the language that you want to use The following example shows how to assign the English American language to the system 1 16 36 3 When you receive a message to reset the system power cycle the system System Defined Environment Variable Description 7 22 Alpha SRM Console Firmware Using the AlphaBIOS Firmware Update Utility to Update the Flash ROM 7 4 Using the AlphaBIOS Firmware Update Utility to Update the Flash ROM Use the AlphaBIOS firmware update utility to update the firmware in a flash ROM 7 4 1 AlphaBIOS Conventions AlphaBIOS uses universally accepted keys and key combinations for navigating the interface and selecting items If you are familiar with MS DOS or Microsoft Windows keyboard conventions navigating AlphaBIOS is simple Use the keys and key combination
36. face and align it with the threaded studs b Attach the microprocessor heat sink The heat sink material is clear anod ized hot water sealed 6061 T6 aluminum The nut material is 2011 T3 alu minum this grade is critical Perform the following steps to attach the heat sink 1 Observe antistatic precautions 2 Align the heat sink holes with the threaded studs on the ceramic package 3 Handle the heat sink by the edges and lower it onto the chip package taking care not to damage the stud threads 4 Set a calibrated torque driver to 20 in lbs 2 in lbs 2 3 Nm 0 2 Nm The torque driver should have a mounted 7 16 inch socket 5 Insert a nut into the 7 16 inch socket place on one of the studs and tighten to the specified torque Repeat for the second nut 6 If the sink chip fan clip is used properly install it by positioning it over the assembly and hooking its ends around the ZIF socket retainers c Attach the heat sink fan assembly 1 Place the fan assembly on top of the heat sink aligning the fan mounting holes with the corresponding threaded heat sink holes Align the fan so that the fan power sensor wires exit the fan closest to connector J18 see Figure 2 1 Fan airflow must be directed into the heat sink fan label facing down toward the heat sink 2 Place the fan guard on top of the fan Orient the guard so that the corner mounting areas lay flush against the heat sink 3 Secure the fan and fan
37. guard to the heat sink with four 6 32 X 0 875 inch screws 4 Plug the fan power sensor cable into connector J18 Important When installing the microprocessor you must change the frequency of its clock output by setting the system clock divisor jumpers as described in Section 3 1 Interrupts and ISA Bus Addresses 6 1 6 Interrupts and ISA Bus Addresses This section lists the system and I O interrupt assignments It also lists the physical AlphaPC 164LX I O space assignments 6 1 Interrupts Table 6 1 lists each AlphaPC 164LX ISA interrupt and its source Table 6 1 ISA Interrupts Sheet 1 of 2 Interrupt Number Interrupt Source IRQ0 Internal timer 1 IRQ1 Keyboard IRQ2 Interrupt from controller 2 IRQ3 COM2 IRQ4 COM1 IRQ5 Available IRQ6 Diskette floppy IRQ7 Parallel port IRQ8 1 Reserved IRQ9 Available IRQ10 Available IRQ11 Available IRQ12 Mouse 6 2 Interrupts and ISA Bus Addresses ISA I O Address Map 6 2 ISA I O Address Map Table 6 2 lists the AlphaPC 164LX ISA I O space address mapping 1 The symbol indicates an active low signal IRQ13 Available IRQ14 EIDE IRQ15 EIDE Table 6 2 ISA I O Address Map Range hex Usage 000 00F 8237 DMA 1 020 021 8259 PIC 1 040 043 8253 timer 060 061 Ubus IRQ12 and NMI control 070 CMOS RAM address and NMI mask register 080 08F DMA page registers 0A0 0A1 8259 PIC 2 0C0 0DF 8237
38. hows an example of the AlphaBIOS Boot screen with the Press lt F2 gt to enter SETUP message at the bottom Figure 7 1 AlphaBIOS Boot Screen 3 Press F2 to start the AlphaBIOS setup program Press lt F2 gt to enter SETUP d i g i t a l AlphaBIOS Version 5 60 Please select the operating system to start Windows NT Workstation 4 00 Press Enter to choose 7 24 Alpha SRM Console Firmware Using the AlphaBIOS Firmware Update Utility to Update the Flash ROM 7 4 3 Installing Alpha SRM Console Using AlphaBIOS Setup Program Figure 7 2 shows an example of the AlphaBIOS Setup screen Select the AlphaBIOS Upgrade option by using the arrow or Tab keys Figure 7 2 AlphaBIOS Setup Screen Press Enter to begin installing the SRM Console firmware image Alpha SRM Console Firmware 7 25 Using the AlphaBIOS Firmware Update Utility to Update the Flash ROM Figure 7 3 shows an example of the AlphaBIOS Upgrade Options screen If more than one image is found the new image s name is displayed If the name of the new image is not SRM Console use the down arrow key to cycle through the available field values until SRM Console is displayed Figure 7 3 AlphaBIOS Upgrade Options Screen Press Enter to continue the installation 7 26 Alpha SRM Console Firmware Using the AlphaBIOS Firmware Update Utility to Update the Flash ROM Figure 7 4 shows an example of the AlphaBIOS screen that warns you that you hav
39. in with the corresponding plugged AD01 position on the ZIF socket Gently lower into position 5 Close the ZIF socket actuator handle to its locked position Memory and Microprocessor Configuration 5 5 Increasing Microprocessor Speed 6 Install the heat sink and heat sink fan as directed in the following steps A heat sink fan kit is available from the vendor listed in Appendix A Refer to Figure 5 1 for heat sink and fan assembly details Figure 5 1 shows the Fan Heat Sink Assembly on AlphaPC 164LX Figure 5 1 Fan Heat Sink Assembly a Put the GRAFOIL thermal pad in place The GRAFOIL pad is used to improve the thermal conductivity between the chip package and the heat sink by replacing micro air pockets with a less insulative material Perform the following steps to position the GRAFOIL pad 1 Perform a visual inspection of the package slug to ensure that it is free of contamination 2 Wearing clean gloves pick up the GRAFOIL pad Do not perform this with bare hands because skin oils can be transferred to the pad Guard Fan Alpha 21164 FM 06013 AI4 Heat Sink with Fan Mounting Holes Nut Hex 1 4 20 2011 T3 Aluminum 0 438 in Across Flats Qty 2 Torque to 20 2 in lbs Clip Heat Sink Chip Fan Thermal Pad Screw 6 32 x 0 875 in Qty 4 Fan Airflow 5 6 Memory and Microprocessor Configuration Increasing Microprocessor Speed 3 Place the GRAFOIL pad on the gold plated slug sur
40. ions This section describes the following basic Alpha SRM Console commands that are necessary to boot the DIGITAL UNIX operating system arc boot deposit examine fwupdate set show The Alpha SRM Console offers additional commands For a complete list of Alpha SRM Console commands enter help at the Alpha SRM Console prompt gt gt gt 7 4 Alpha SRM Console Firmware Basic Alpha SRM Console Command Descriptions arc Loads and runs the AlphaBIOS firmware update utility from a diskette Syntax arc nt Arguments None Options None Description None Examples Either of the following commands load and run the AlphaBIOS firmware update utility from a diskette gt gt gt arc or gt gt gt nt Alpha SRM Console Firmware 7 5 Basic Alpha SRM Console Command Descriptions boot Initializes the processor loads a program image from the specified boot device and transfers control to the loaded image Syntax boot file lt filename gt flags lt longword gt lt longword gt protocols lt enet_protocol gt halt lt boot_device gt Arguments lt boot_device gt A device path or list of devices from which the firmware will attempt to boot Use the set bootdef_dev command to set an environment variable that specifies a default boot device Options boot Command Option Description file lt filename gt Specifies the
41. isters gt gt gt examine ipr 11 ipr 11 KSP FFFFFFFF8228DFD0 Examines the contents of internal processor register 11 7 14 Alpha SRM Console Firmware Basic Alpha SRM Console Command Descriptions fwupdate Loads and runs the AlphaBIOS firmware update utility from a diskette Syntax fwupdate Arguments None Options None Description The fwupdate command script is used to load and run the AlphaBIOS firmware update utility from a diskette The file fwupdate exe is extracted from a diskette with a FAT file structure This executable is then loaded to physical address 900000 and is executed in PALmode Examples The following fwupdate command script loads and runs the AlphaBIOS firmware update utility from a diskette gt gt gt fwupdate Alpha SRM Console Firmware 7 15 Basic Alpha SRM Console Command Descriptions set Sets or modifies the value of an environment variable Syntax set lt envar gt lt value gt default integer string Arguments lt envar gt The environment variable to be assigned a new value lt value gt The value that is assigned to the environment variable It can be either a numeric value or an ASCII string Options Description The set command is used to set or modify the value of an environment variable Environment variables are used to pass configuration information between the console and the operating system See Section 7 3 for more inf
42. mmand Descriptions 7 3 7 3 Environment Variables for Alpha SRM Console Commands 7 18 7 3 1 Environment Variable Descriptions 7 18 7 3 1 1 Architecture Required Environment Variables 7 19 7 3 1 2 System Defined Environment Variables 7 20 7 4 Using the AlphaBIOS Firmware Update Utility to Update the Flash ROM 7 22 7 4 1 AlphaBIOS Conventions 7 22 7 4 2 Starting the AlphaBIOS 7 23 7 4 3 Installing Alpha SRM Console Using AlphaBIOS Setup Program 7 24 7 5 Installing the DIGITAL UNIX Operating System 7 29 7 5 1 Requirements 7 29 v 8 Troubleshooting 8 1 Hardware Startup 8 1 8 2 Beep Codes 8 2 8 3 Post Codes
43. n 16 Loading ROM using SROM decompression 17 System ROM loaded to memory 18 Icache flush code written to memory 19 CPU errors cleared jump to system code Troubleshooting 8 3 Post Codes 20 ISA bus reset 3F Fatal error Second code identifies source of error 05 No memory found 06 Checksum error detected when image was read back from memory SRM Console FF FE Starting console Idle PCB initialization FD Semaphore initialization FC Heap initialization FB Heap initialization FA Heap initialization F9 Driver structure initialization F8 Idle process PID initialization F7 File system initialization F6 Timer data structures initialization F5 Lowering IPL F4 Entering idle loop F3 Creating task to deallocate dead PCBs F2 Creating polling task F1 Creating timer task F0 Creating power up task EF Configuring memory EE Phase 1 driver startup ED Configuring the PCI ISA bus EC Phase 3 driver startup EB Switching stdin out err to console terminal device EA Phase 4 driver startup E9 Building per CPU slot in the HWRPB E8 SCSI class driver initialization E7 Phase 5 driver startup Fail safe booter BF Fail safe booter startup Table 8 2 Post Codes Sheet 2 of 2 Source Post Code hex Description 8 4 Troubleshooting Fail Safe Booter 8 4 Fail Safe Booter The fail safe booter provides an emergency recovery mechanism when the primary firmware image contained in flash memory has been corru
44. nal pre cautions may apply Replace batteries correctly to prevent possible explosion Replace batteries with the same or equivalent type Prior to disposal or recycling protect all batteries against accidental short circuiting by affixing nonconductive tape across battery terminals or conductive surfaces Keep batteries away from small children Supporting Products A 1 A Supporting Products This appendix lists sources for components and accessories that are not included with the AlphaPC 164LX For the latest information visit the Alpha website at URL http www alpha digital com Click on Motherboard Products The hardware compatibility list HCL and the qualified memory vendor list are also available at this location A 1 Memory The following list of dual inline memory modules DIMMs is updated frequently For the most recent additions please visit the Alpha website at URL http www digital com semiconductor alpha alpha memlist htm Advantage Memory Corporation P O Box 30 Danvers MA 01923 attn Paul Johnson Phone 1 800 839 5041 Fax 978 762 4998 ATP Electronics Inc 750 North Mary Avenue Sunnyvale CA 94086 attn Regina Kao Phone 408 732 3936 Fax 408 732 5055 Dataram P O Box 7528 Princeton NJ 08543 Phone 1 800 DATARAM 328 2726 ext 239 A 2 Supporting Products Memory Kingston Technology Company 17600 Newhope Street Fountain Valley CA 92708 Phone 1
45. name of a file to load into the system Use the set boot_file command to set the environment variable that specifies a default boot file flags lt longword gt lt longword gt Specifies additional information for the operating system For DIGITAL UNIX systems the following values may be used i Interactive boot s Boot to single user a Autoboot to multiuser Use the set boot_osflags command to set an environment variable that specifies a default boot flag value protocols lt enet_protocol gt Specifies the Ethernet protocols that will be used for a network boot Values may be mop or bootp halt Forces the bootstrap operation to halt and invoke the console program after the image is loaded and the page tables and other data structures are set up 7 6 Alpha SRM Console Firmware Basic Alpha SRM Console Command Descriptions Description The boot command initializes the processor loads a program image from the specified boot device and transfers control to that image If you do not specify a boot device in the command line the default boot device is used The default boot device is determined by the value of the bootdef_dev environment variable If you specify a list of devices a bootstrap is attempted from each device in the order in which the device is listed Then control passes to the first successfully booted image In a list always enter network devices last because network bootstraps terminate only if a f
46. nd abbreviations Allowed if not ambiguous Command qualifiers or options Prefix with a space and a dash Numbers Hexadecimal unless otherwise specified Registers such as R0 R31 are shown in decimal notation 7 2 Alpha SRM Console Firmware Alpha SRM Console Firmware Conventions The following table lists Alpha SRM Console special keys and their functions These special keys also referred to as shortcut keys provide command recall line editing and basic input output control flow Shortcut Key Function Enter Terminate the command line input Backspace or Delete Delete one character to the left of the cursor Ctrl A Toggles insert overstrike mode Overstrike is the default Ctrl B Up arrow Down arrow Recall previous commands The last 16 commands are stored Ctrl C Terminate the foreground process Ctrl D Left arrow Move the cursor one position to the left Ctrl E Move the cursor to the end of the line Ctrl F Right arrow Move the cursor one position to the right Ctrl H Move the cursor to the beginning of the line Ctrl O Suppress or resume toggle console output Ctrl Q Resume the flow XON of data to the console Ctrl R Retype the current command line Ctrl S Stop the flow XOFF of data to the console Ctrl U Delete the entire line Alpha SRM Console Firmware 7 3 Basic Alpha SRM Console Command Descriptions 7 2 Basic Alpha SRM Console Command Descript
47. ocation U42 U62 U61 U49 U50 U48 U40 U31 U32 U33 U20 U21 U22 U8 U9 U43 U53 U41 U37 B1 U58 U59 U60 J25 J24 J18 J19 J20 J21 J22 J6 J7 J2 J11 J10 J9 J8 J1 J3 J31 J30 J28 J27 J29 J26 J23 J17 J16 J15 J13 J5 J4 Top Bottom Mouse Keyboard Top Bottom COM1 COM2 FM 05933 AI4 J5 J4 Denotes Pin 1 U10 Features 2 3 Table 2 2 AlphaPC 164LX Jumper Connector Component List Item No Description Item No Description B1 RTC battery CR2032 J25 Hard drive LED connector J1 Soft power connector J26 PCI slot 0 64 bit J2 Fan power enclosure 12V J27 System configuration jumpers J3 Power 3V 5V 5V 12V 12V J28 Flash ROM update enable disable jumper J4 COM1 COM2 DB9 connectors J29 SROM test port connector J5 Keyboard mouse connectors J30 ISA slot 1 J6 EIDE drive 2 3 connector J31 ISA slot 0 J7 EIDE drive 0 1 connector U8 to U10 Cache SRAM L3 J8 SDRAM DIMM 0 0 63 connector U20 to U22 Cache SRAM L3 J9 SDRAM DIMM 1 64 128 connector U31 to U33 Cache SRAM L3 J10 SDRAM DIMM 2 0 63 connector U37 I O interface and address control DS 21174 CA J11 SDRAM DIMM 3 64 128 connector U40 Microprocessor socket DS Alpha 21164 J12 Reserved U41 Patch 8K PAL J13 Parallel I O connector U42 EIDE controller J14 Reserv
48. on connector pinouts 4 17 Halt Button Connector Pinouts Table 4 17 shows the halt button connector pinouts Note The Halt button is not used with the Windows NT operating system 4 18 Soft Power Connector Pinouts Table 4 18 shows the soft power connector pinouts Table 4 15 EIDE Drive LED Connector Pinouts J25 Pin Signal Name 1 HD_ACT_L Hard drive active 2 HD_LED_L Hard drive LED input Table 4 16 Reset Button Connector Pinouts J21 Pin Signal Name 1 RESET_BUTTON Reset system 2 Gnd Table 4 17 Halt Button Connector Pinouts J22 Pin Signal Name 1 HALT_BUTTON Halt system 2 Gnd Table 4 18 Soft Power Connector Pinouts J1 Pin Signal Name 1 Input System power on off 2 Gnd Memory and Microprocessor Configuration 5 1 5 Memory and Microprocessor Configuration For higher system speed or greater throughput you can upgrade SDRAM memory by replacing DIMMs with those of greater size When configuring or upgrading SDRAM observe the following rules Each DIMM must be a 168 pin unbuffered version and have a frequency of 100 MHz All DIMMs must be of equal size if they are in the same bank 5 1 Configuring SDRAM Memory Although not an exhaustive list Table 5 1 lists the tested SDRAM memory configurations available For a list of vendors who supply components and accessories for the AlphaPC 164LX see Appendix A Refer to Figure 2 1 for DI
49. ormation about environment variables set Command Option Description default Restores an environment variable to its default value integer Creates an environment variable as an integer string Creates an environment variable as a string 7 16 Alpha SRM Console Firmware Basic Alpha SRM Console Command Descriptions Examples set Command Example Description gt gt gt set bootdef_dev ewa0 Modifies the default boot device to ewa0 gt gt gt set auto_action boot Attempts to boot the operating system following an error halt or power up gt gt gt set boot_osflags 0 1 Modifies the default boot flags to 0 1 gt gt gt set foobar 5 Creates an environment variable called foobar and gives it a value of 5 Alpha SRM Console Firmware 7 17 Basic Alpha SRM Console Command Descriptions show Displays the current value of the specified environment variable or information about the system Syntax show config device device_name iobq hwrpb map memory pal version lt envar gt Arguments Options None Description The show command displays information about the system and the current value of a specified environment variable See Section 7 3 for more information about environment variables show Command Argument Description config Displays the current memory configuration PCI logical slots and ISA logical slots device device name Displays the devices and controller
50. ow to complete the following actions to increase microprocessor speed Replace the DIGITAL Semiconductor 21164 microprocessor with an Alpha chip that has a higher speed rating Reconfigure the clock divisor jumpers 5 3 1 Preparatory Information Caution Static Sensitive Component Due to the sensitive nature of electronic components to static electricity anyone handling the microprocessor must wear a properly grounded antistatic wriststrap Use of antistatic mats ESD approved workstations or exercising other good ESD prac tices is recommended A DIGITAL Semiconductor 21164 microprocessor with a higher speed rating is available from your local distributor See Appendix A for information about supporting products When replacing the microprocessor chip also replace the thermal conducting GRAFOIL pad See Appendix A for information about the parts kit which includes the heat sink GRAFOIL pad two hex nuts heat sink clips 60 mm fan fan guard and four screws 5 3 2 Required Tools The following tools are required when replacing the microprocessor chip A TS30 manual nut torque driver or equivalent with the following attachments is required to affix the heat sink and fan to the microprocessor s IPGA package 1 4 inch hex bit 7 16 inch socket with 1 4 inch hex drive 2 Phillips head screwdriver bit 5 4 Memory and Microprocessor Configuration Increasing Microprocessor Speed 5 3 3 R
51. provide additional information about a topic Numbering All numbers are decimal or hexadecimal unless otherwise indicated In case of ambiguity a subscript indicates the radix of nondecimal numbers For example 19 is a decimal number but 1916 and 19A are hexadecimal numbers Extents Extents are specified by a single number or a pair of numbers in square brackets separated by a colon and are inclusive For example bits 7 3 specify an extent including bits 7 6 5 4 and 3 Multiple bit fields are shown as extents Register Figures Register figures have bit and field position numbering starting at the right low order and increasing to the left high order Signal Names All signal names are printed in boldface type Signal names that originate in an industry standard specification such as PCI or IDE are printed in the case as found in the specification usually uppercase Active low signals have either a pound sign appended or a not overscore bar for example DEVSEL and RESET 1 2 About This Manual Manual Conventions and Terminology Italic Type Italic type emphasizes important information and indicates complete titles of documents Terms The following terms are used in this manual This term Refers to Alpha SRM console The Alpha SRM Console firmware DIGITAL UNIX installation guide The DIGITAL UNIX Installation Guide DIGITAL UNIX The DIGITAL UNIX operating system Features 2
52. pted When flash memory has been corrupted and no image can be loaded safely from the flash you can run the fail safe booter and boot another image from a diskette that is capable of repro gramming the flash Starting the Fail Safe Booter You can start the fail safe booter in one of two ways If the primary firmware image is unavailable when the system is powered on or reset the fail safe booter runs automatically When the fail safe booter runs the system emits a series of beeps through the speaker as beep code 1 2 3 that is one beep and a pause followed by two beeps and a pause followed by three beeps After the diskette activity light flashes insert the AlphaPC 164LX SRM Console Firmware diskette The fail safe booter will load and run the AlphaBIOS firmware update utility from this diskette Proceed to Section 7 4 and follow the procedure for updating your flash ROM You can also start the fail safe booter manually as follows 1 Power off your system 2 Add jumper CF7 as described in Section 3 3 3 Power on your system 4 Insert the AlphaPC 164LX SRM Console Firmware diskette into the diskette drive 5 Proceed to Section 7 4 and follow the procedures Battery Recycle Disposal Information 9 1 9 Battery Recycle Disposal Information NOTICE Recycle or dispose of batteries promptly in accordance with your organization s environmental policies If this is a LITHIUM battery the following additio
53. s in the system Specifying a device name returns information on that device only iobq Displays the input output counter blocks hwrpb Displays the hardware restart parameter block map Displays the system virtual memory map memory Displays the memory module configuration pal Displays the version of DIGITAL UNIX PALcode version Displays the version of the console lt envar gt Displays the current value of a specified environment variable 7 18 Alpha SRM Console Firmware Environment Variables for Alpha SRM Console Commands Examples 7 3 Environment Variables for Alpha SRM Console Commands This section describes environment variables that are used to define the system operational state and to pass information between the firmware and the operating system 7 3 1 Environment Variable Descriptions Environment variables are classified as either Alpha SRM Console architecture required or system defined show Command Example Description gt gt gt show device dka0 0 0 6 0 DKA0 RZ26L 441A dka400 4 0 6 0 DKA400 RRD43 3213 dva0 0 0 0 1 DVA0 ewa0 0 0 12 0 EWA0 08 00 2B E2 1C 25 pka0 7 0 6 0 PKA0 SCSI Bus ID 7 Lists device information such as system designation drive model or Ethernet address gt gt gt show memory 48 Meg of System Memory Lists system random access memory RAM size gt gt gt show refer to Section 7 3 Lists all environment variables and their settings gt
54. s shown in Table 7 1 when navigating and selecting items in AlphaBIOS Two levels of keyboard help are available Press F1 once to display explanations of the keystrokes available for the currently displayed part of AlphaBIOS Press F1 twice to display explanations of the keystrokes available for navigating throughout AlphaBIOS Table 7 1 AlphaBIOS Keys Key or Key Combination Description Tab Move highlight forward between fields of a dialog Shift Tab Move highlight backwards between fields of a dialog or Move highlight within a menu or cycle through available field values in a dialog window Alt Drop down a menu of choices from a drop down listbox A drop down listbox can be recognized by the symbol Home Move to the beginning of a text entry field End Move to the end of a text entry field or Move to the left or right in a text entry field Esc Discard changes and back up to previous screen Alpha SRM Console Firmware 7 23 Using the AlphaBIOS Firmware Update Utility to Update the Flash ROM 7 4 2 Starting the AlphaBIOS To start the AlphaBIOS follow this procedure 1 Insert the AlphaBIOS diskette into diskette drive A 2 At the Alpha SRM Console prompt enter the following command gt gt gt fwupdate Note Because the firmware update utility reinitializes some system compo nents it may appear as if your system is restarting Figure 7 1 s
55. sues an error response The display line consists of the device name the hexadecimal address or offset within the device and the examined data also in hexadecimal The examine command supports the same options as the deposit command Additionally the examine command supports instruction decoding with the d option which disassembles instructions beginning at the current address ipr References internal processor register address space n lt count gt Specifies the number of consecutive locations to examine s lt step gt Specifies the address increment as a hexadecimal value This option allows you to override the increment that is normally derived from the data size examine Command Option Description Alpha SRM Console Firmware 7 13 Basic Alpha SRM Console Command Descriptions Examples examine Command Example Display Description gt gt gt e r0 gpr 0 R0 0000000000000002 Examines the contents of R0 using a symbolic address gt gt gt e g 0 gpr 0 R0 0000000000000002 Examines the contents of R0 using address space gt gt gt e grp 0 gpr 0 R0 0000000000000002 Examines the contents of R0 using a device name gt gt gt examine n 5 r7 gpr 38 R7 0000000000000000 gpr 40 R8 0000000000000000 gpr 48 R9 0000000000000000 gpr 50 R10 000000007FFBF800 gpr 58 R11 000000007FF781A2 gpr 60 R12 0000000000000000 Examines the contents of R7 and the next five reg
56. tly If you have a terminal attached to COM1 check the output for error messages after verifying that the flash ROM update procedure was performed correctly 7 Reseat the video card and ensure that it is connected to the monitor 8 Reseat the DIMMs 9 Replace the DIMMs 8 2 Troubleshooting Beep Codes 8 2 Beep Codes The beep codes provide error information about the AlphaPC 164LX system Table 8 1 lists and describes the beep codes 8 3 Post Codes The post codes indicate the progress of the SROM and SRM Console firmware Table 8 2 lists and describes the post codes 1 One beep and a pause followed by two beeps and a pause followed by three beeps Table 8 1 Beep Codes Beep Code Description 1 2 31 This sequence represents the fail safe booter startup 4 No valid header found in ROM loading entire ROM 5 No memory found 6 Checksum error detected when image was read back from memory Table 8 2 Post Codes Sheet 1 of 2 Source Post Code hex Description SROM 00 Firmware initialization is complete 01 CPU speed detected 02 CPU speed converted 03 Configuration jumpers read 04 Bcache configuration value computed 05 Bcache control value computed 06 Bcache turned off 0C Memory sized and memory bank 0 written 0F Bcache turned on 13 All of memory rewritten good data parity written 14 Memory errors cleared start reading system ROM 15 Loading ROM without SROM decompressio
57. uirements of plug in cards 1 Values indicated are for an AlphaPC 164LX motherboard with an Alpha 21164 microprocessor operating at 600 MHz with 64MB SDRAM excluding adapter cards and disk drives Table 2 3 Power Supply DC Current Requirements Voltage Tolerance Current1 3 3 V dc 5 5 0 A 5 V dc 5 14 0 A 5 V dc 5 0 A 12 V dc 5 1 0 A 12 V dc 5 100 0 mA Features 2 5 Physical Parameters The AlphaPC 164LX motherboard is specified to run within the environment listed in Table 2 4 2 3 Physical Parameters The AlphaPC 164LX motherboard is an ATX size printed wiring board PWB with the following dimensions Length 30 48 cm 12 0 in 0 0005 in Width 24 38 cm 9 6 in 0 0005 in Height 6 86 cm 2 7 in Table 2 4 AlphaPC 164LX Motherboard Environmental Requirements Parameter Specification Operating temperature 10 C to 40 C 50 F to 104 F Storage temperature 55 C to 125 C 67 F to 257 F Relative humidity 10 to 90 with maximum wet bulb temperature 28 C 82 F and minimum dew point 2 C 36 F Rate of dry bulb temperature change 11 C hour 2 C hour 20 F hour 4 F hour 2 6 Features Physical Parameters 2 3 1 ATX Hole Specification Figure 2 2 shows the ATX Hole Specification for the AlphaPC 164LX Figure 2 2 ATX Hole Specification 800 TYP Between Connectors 650 500 400 4 900 1 612
58. ut Power Connector Pinouts J3 1 Pin Voltage Pin Voltage Pin Voltage Pin Voltage 1 3 3 V dc 2 3 3 V dc 3 Gnd 4 5 V dc 5 Gnd 6 5 V dc 7 Gnd 8 P_DCOK 9 5 V SB 10 12 V dc 11 3 3 V dc 12 12 V dc 13 Gnd 14 PS_ON 15 Gnd 16 Gnd 17 Gnd 18 5 V dc 19 5 V dc 20 5 V dc Table 4 11 Enclosure Fan 12 V dc Power Connector Pinouts J2 J19 Pin Voltage 1 Gnd 2 12 V dc 3 Gnd AlphaPC 164LX Connector Pinouts 4 9 Speaker Connector Pinouts 4 12 Speaker Connector Pinouts Table 4 12 shows the speaker connector pinouts 4 13 Microprocessor Fan Power Connector Pinouts Table 4 13 shows the microprocessor fan power connector pinouts Table 4 12 Speaker Connector Pinouts J20 Pin Signal Name 1 SPKR Speaker output 2 Gnd 3 Gnd 4 Gnd Table 4 13 Microprocessor Fan Power Connector Pinouts J18 Pin Signal Name 1 12 V dc 2 FAN_CONN_L Fan connected 3 Gnd 4 14 Power LED Connector Pinouts Table 4 14 shows the power LED connector pinouts Table 4 14 Power LED Connector Pinouts J24 Pin Signal Name 1 POWER_LED_L Power LED input 2 Gnd 3 NC 4 NC 5 NC 4 10 AlphaPC 164LX Connector Pinouts EIDE Drive LED Connector Pinouts 4 15 EIDE Drive LED Connector Pinouts Table 4 15 shows the EIDE drive LED connector pinouts 4 16 Reset Button Connector Pinouts Table 4 16 shows the reset butt
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