Epson Endeavor VL Specifications Download Page 8

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DMA Assignments

Hardware Interrupts

System I/O address map (continued)

Connector Pin Assignments

Mouse connector pin assignments (CN4)

EPSON Endeavor VL

System l/O Address Map

EPSON Endeavor VL-8

3/94

Pin

Signal

Pin

Signal

Mouse data

+5 VDC

Reserved

Mouse clock

Ground

Reserved

Keyboard connector pin assignments (CN5)

Pin

Signal

Pin

Signal

Keyboard data

+5 VDC

Resewed

Keyboard data

Ground

Resewed

Serial port connector pin assignments (CN9, CN10)

Parallel port connector pin assignments (CN11)

Summary of Contents for Endeavor VL

Page 1: ... through keyboard command or SETUP 0 watt state memory access at high speed 4MB RAM standard soldered on the system board expandable to 40MB maximum using 4MB or 16MB SIMMs SIMMs must be 32 or 36 bit 72 pin fast page mode type with 70ns or faster access speed 128KB system BIOS video BIOS and SETUP code located in EPROM on main system board Supports shadowing of system and video BIOS ROM into RAM S...

Page 2: ...mits Maximum current 5 Volts 12 volts 5 Volts and 12 Volts For each slot 7 Amps 1 5 Amps 0 3 Amp For all tour slots 16 Amps 3 Amps 0 3 Amp Environmental Requirements I I 1 Non operating Power Source Requirements 120 Volt power source requirements 240 Volt power source requirements EPSON Endeavor VL 2 3 94 ...

Page 3: ...EPSON Endeavor VL Major Subassemblies SIMM sockets I I option card connector board I DIP switches 3 94 EPSON Endeavor VL 3 ...

Page 4: ...EPSON Endeavor VL System Board Layout CPU F W EPSON Endeavor VL 4 3 94 ...

Page 5: ...ry in your computer up to 40MB Each of the three SIMM sockets on the main system board can contain one 4MB or 16MB memory module The following table shows the possible SIMM configurations do not install memory in any other configuration SIMM configurations SIMM 1 SIMM 2 0 0 4MB 0 4MB 4MB SIMM 3 Total 0 4MB 0 8MB 0 12MB 4MB 4MB 4MB 16MB 16MB 0 0 20MB 4MB 16MB 0 I24MB I 16MB 16MB 0 36MB 4MB 16MB 16M...

Page 6: ...2Kx8 128KB 32Kx8 I32Kx8 I32Kx8 256KB Microprocessor Upgrades The computer s processor can be upgraded by replacing the existing microprocessor with a faster one You can either purchase an upgrade kit from EPSON or buy the individual components separately as listed in the following table Microprocessor upgrade components l For the DX 33 DX2 50 DX2 66 DX4 and Pentium OverDrive processor You may also...

Page 7: ...disk drive jumper settings l CS cable selection can be jumpered for any configuration When CS is used the drive is a master if pin 26 is grounded or a slave if pin 26 k not grounded Diskette and magneto optical drive options System Memory Map FFFF F000 E000 D000 C800 Extendedmemory system ROM 64KB unused 64KB unused 32KB unused Video ROM VGA text 32KB unused VGA graphics Base memory 40MB 1MB 640KB...

Page 8: ...tem l O Address Map EPSON Endeavor VL 8 3 94 Pin Signal Pin Signal 1 Mouse data 4 5 VDC 2 Reserved 5 Mouse clock 3 Ground 6 Reserved Keyboard connector pin assignments CN5 Pin Signal Pin Signal 1 Keyboard data 4 5 VDC 2 Resewed 5 Keyboard data 3 Ground 6 Resewed Serial port connector pin assignments CN9 CN10 Parallel port connector pin assignments CN11 ...

Page 9: ...onnector pin assignments CN13 Active low logic Option card riser board connector pin assignments CN16 Hard disk drive LED connector pin assignments CN14 1 VCC 2 HDD 3 HDD 4 VCC Speed indicator LED connector pin assignments CN6 Pin Signal 1 VCC 2 TURBO 3 Ground Speaker connector pin assignments CN15 Pin Signal 1 VCC 3 I Ground 4 ISPKD 3 94 EPSON Endeavor VL 9 ...

Page 10: ... Board The option card riser board contains four ISA option card slots and two VL bus slots VL bus slot connector pin assignments The A side of the connector is the component side of the option card the B side is the solder side of the option card EPSON Endeavor VL 10 3 94 ...

Page 11: ... then switching to high speed if possible Cl When using a software package that uses a key disk as its copy protection method try loading it at high speed If this does not work load it at low speed Booting Sequence If you cannot boot the computer from the hard disk make sure the booting sequence in SETUP is set to A then C Then boot the computer from a system diskette in drive A Password Make sure...

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