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Product Support Bulletin

Subject:

Equity 386/20 Patch for Novell NetWare 386

Date:

4/11/90

Page:

1 of 1

PSB No:

Originator:

This bulletin is to inform you of the solution to a problem that occurs when
running Novell NetWare 386 on the Equity 386/20. Note that the problem only
appears when booting the 386/20 from floppy diskette, which is common
practice to allow

the

entire hard disk drive to be partitioned as a single

NetWare 386 volume.

When the SERVER program enters 80386 protected mode, it shuts down the
floppy disk motor(s). After shutting down the motor(s), SERVER does not

update the BIOS motor status byte located at 0040:003F. In the motor status
byte, bit 0 = 1 indicates drive 0 (A:) motor is currently on. Bit 1 = 1
indicates drive 1 (6:) motor is currently on.

When SERVER needs to load a file (.NLM, .LAN, or .DSK), it switches back to

real mode to let DOS handle file manipulation. DOS then calls the BIOS to
access the floppy. The BIOS checks the motor status flag, which is on. The
BIOS then attempts to access the floppy while the motor is off. After about
one second,

the

BIOS returns an error of 80h (timeout) or 40h (seek

incomplete). Depending on the DOS function in process, DOS may not be
able to recover and complete the function.

In particular, these DOS functions may not recover if they are initiated when

the motor status flag is on, but the drive motor is actually off: Read From

File (function 3Fh) and Find First (function 4Eh). Read From File will fail if the

file is already open, the flag is on and the motor is off. Find First (search
for matching file name) will fail if

the

search string contains a subdirectory

name, the flag is on and the motor is off.

The solution for this is a small (301 bytes) patch program called

N386FIX.COM. This patch, when executed prior to running the NetWare 386

SERVER program, will properly set the motor status flag.

The compressed file N386FIX.ZIP may be found on the Epson Product Support

RBBS in the file library PATCH. It is also available from the Epson Forum on
Compuserve. It contains the executable file as well as an explanatory ASCII

text file, N386FIX.DOC. Download with protocol and decompress with any utility
that handles the .ZIP file format.

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Содержание Equity 386/20

Страница 1: ...les The appropriate executable can then be run either from diskette or hard drive There will be some exceptions to the above rule In attempting to benchmark or troubleshoot any add on that requires a device driver CD ROM local area network etc obviously the necessary device driver s must be loaded Also some programs will require a minimum number of FILES or BUFFERS to be defined in the CONFIG SYS ...

Страница 2: ... of poor quality Epson Portland evaluated the SlMMs in question and found that this was not true The problem is caused by the SIMM circuit boards ITE and TECAP circuit boards used to manufacture the SIMM modules The dimensions of these boards are not compatible with industry standard SIMM sockets This may result in incomplete contact between the SIMM assembly and it s socket This is caused by insu...

Страница 3: ...l port I O address 378h will then be addressed as LPT2 We also had an AST I O Mini serial parallel card addressed at l O address 278h which was then reassigned to LPT3 Each of the three parallel ports was attached to a printer There was also a printer attached to each of the two serial ports All five printers were then set to print simultaneously under Netware Version 2 15 Rev C using PCONSOLE All...

Страница 4: ...onent versions described above they can be ordered with the following part numbers ROM BIOS current Y184802004 CHE B5 Lot 9B Rel 2 16 Y184801004 CHE A5 Lot 9C CHIPS Set X403823021 7L Memory Controller X403822061 9F Int Peripheral Controller CHET RM Board Y184202100 02 rev Reference Disk Required for User Defined drive types and types 59 63 and the use of 1 44MB FDD as drive A When using BIOS rel 2...

Страница 5: ...alt with the following error message Abend INVALID TASK STATE INTERRUPT This is apparently due to some 80286 specific protected mode operations that do not function quite the same way when executed on an 80386 This has been observed in the following NetWare versions Advanced NetWare 286 2 0a Advanced NetWare 286 2 11 Advanced NetWare 286 2 12 Advanced NetWare 286 2 15a Advanced NetWare 286 2 15b E...

Страница 6: ...mpts to access the floppy while the motor is off After about one second the BIOS returns an error of 80h timeout or 40h seek incomplete Depending on the DOS function in process DOS may not be able to recover and complete the function In particular these DOS functions may not recover if they are initiated when the motor status flag is on but the drive motor is actually off Read From File function 3...

Страница 7: ...th Lotus 1 2 3 Release 3 0 NOTE Should you require an EMS manager for your Equity 386 20 or Equity 386SX there are third party software packages available that are compatible with Lotus 1 2 3 Release 3 0 Two such packages are 386m version 4 03 or later and Quarterdeck Expanded Memory Manager QEMM version 4 2 or later Do not use VDISK with the E switch when running Lotus on the Equity 386 20 Though...

Страница 8: ...D1003V MM1 The new controller is capable of providing a 2 1 interleave format This controller card has been tested in the Equity II and Ill with the Epson 20Mb and 40Mb hard drives as well as the Seagate ST 251 Tests were performed using a 2 1 interleave factor and all tests were completed successfully Current Model New Model WD1006A WAH WD1006V MM1 The WD1006A WAH hard disk drive controller card ...

Страница 9: ...4 Memory size error Run SETUP in DIAGNOSTICS Setup Information When entering information into the SETUP program use the following values 640K Main 15104K Expansion Memory Map Address Range Size 000000 09FFFF 0 640K 640K Use RAM Main 0A0000 0FFFFF 640K 1 M 384K Reserved 100000 FBFFFF 1M 15 75M 15104K RAM Expansion FC0000 FFFFFF 15 75M 16M 256K Reserved Explanation The 384K of address space between ...

Страница 10: ...ent Manufacturing Support Program For complete test result reports contact Novell Inc Terms NDFS Non Dedicated File Server NDWS Non Dedicated Work Station Netware Version Netware Type Tested as 2 0a ELS I NDFS 2 15 2 15 ET ELS II ADV 286 NDFS NDFS NDFS NDWS Network Interface 3Com 3C501 3Com 3C503 3Com 3C505 1194 3Com 3C505 2012 AT T Starlan Gateway G Net IBM PCN II IBM TRN Micom Nl5010 Micom NP600...

Страница 11: ...on U25 In order for it to work the jumper J13 pin 1 must be installed Caution should be used when ordering the BIOS ROM as problems have been experienced when using version B Versions A and C perform normally The WD1007V SE1 controller is another option that can be used with high capacity ESDI drives that are not supported by the ROM BIOS drive tables When using this controller make sure that all ...

Страница 12: ...options When using a SCSI type hard disk drive the hard disk controller usually is a part of the hard drive unit The connection between the SCSI bus and the Equity s data bus is made by installing a host adaptor into the Equity computer and connecting the SCSI drive to the host adaptor The Seagate ST 296N 85Mb drive used in a stand alone configuration in the current Equity Series computers has pro...

Страница 13: ...ped with a Seagate ST 225 hard drive and the XT GEN controller It was also configured with the IBM 5250 terminal emulation card and software and was connected to an IBM System 36 host Additionally IBM s PC Support 36 software was correctly installed on both the II and System 36 This utility enables file and folder sharing as well as up and download capability The 5250 terminal emulation works perf...

Страница 14: ... disk drives Equity II Equity III Equity I Equity le The Equity II was found to be totally incompatible with the OmniBridge controller The Equity III was found compatible with the OmniBridge controller It was able to support one or two external disk drives daisychained together The external drives could be used as high density 1 2M and 1 44M or normal 360K and 720K disk drives The Equity I was fou...

Страница 15: ...The Equity 386SX was found compatible with the OmniBridge controller It was able to support one or two external disk drives daisychained together The external drives could be used as high density 1 2M and 144M or normal 360K and 720K disk drives Equity 386 20 The Equity 386 20 was found compatible with the OmniBridge controller It was able to support one or two external disk drives daisychained to...

Страница 16: ...he external drives could be used as high density 1 2M and 1 44M or normal 360K and 720K disk drives NOTE The recommended switch settings for the OmniBridge controller are as follows 1 1 DOWN 2 1 DOWN 1 2 DOWN 2 2 DOWN 1 3 DOWN 2 3 UP 1 4 DOWN 2 4 UP These settings select NO ADDRESS for the OmniBridge BIOS and allow it to coexist with the internal FDC of the computer in which it is being installed ...

Страница 17: ...ring the host adapters or controller cards for IRQ DMA and I O port address Archive VP 150i The VP 150i was tested on the Equity II Ill and 386 20 Due to the capacity and nature of the drive it is not particularly suited for use in any of the 8086 88 computers This was the only drive supplied with Unix Xenix device drivers It was tested under MS DOS 3 3 and SC0 Xenix 286 System V version 2 2 1 wit...

Страница 18: ...ided the best performance with the Tallgrass drive giving the slowest disk to tape and tape to disk operations All four drives were supplied with menu driven tape utility software for the MS DOS environment Command line and timed scheduled operations are also available As previously mentioned the Archive drive also included device drivers for use in a Unix Xenix environment offering the greatest l...

Страница 19: ... provides for faster access of BIOS information by the Equity 386 20 resulting in enhanced system performance What RAM chips should be used when upgrading the memory Use the Epson 80 nSec 9 bit SIMM module kits to expand the system memory Epson supplies two memory upgrade kits a 1 megabyte kit 4 256K SIMM modules and a 2 megabyte kit 2 1 MB SIMM modules You can expand the memory up to 16 Megabytes...

Страница 20: ...accessing within a page or not sequentially results in 2 3 wait states however since this does not happen very often overall performance of the system memory is generally less than 1 wait state Q5 How many wait states does the Equity 386 20 have A The wait states on the Equity 386 20 depend on the hit ratio 0 wait states on a hit and 2 3 wait states on a miss With its page interleave memory archit...

Страница 21: ... support a 5 25 1 2 Mb half height drive standard as well as the 360 Kb floppy disk drive To provide industry wide compatibility the support of both 1 44 Mb and 720 Kb 3 5 floppy disks drives is also incorporated into the new ROM BIOS What size hard disk drives will be available for the Equity 386 20 Two Hard disk drives will be available The first is a 90 Mb ESDI drive with a 1 1 interleave and a...

Страница 22: ...e listed in the Product Support Guide Which of the tables is correct A The ROM BIOS table in the Epson Product Support Guide is correct The ROM BIOS supports disk drives up to type 58 The correct data for types 56 58 are listed below TYPE TYPE CYL HDS Sectors 56 ESDI 967 5 34 57 ESDI 967 7 34 58 ESDI 967 9 34 Q14 A What hard drive controllers can be used in the Equity 386 20 Tested hard drive cont...

Страница 23: ...vailable No The BIOS only supports 2 floppy disk drives Can the floppy drive controller be disabled in the Equity 386 20 Yes It can be disabled on the SPFG board by switching jumpers J1 and J2 to position BC The jumpers come set from the factory in position AC indicating the FDD controller is enabled Can the parallel port be disabled on the Equity 386 20 Yes To disable the parallel port on the SPF...

Страница 24: ...p Sota Technology Video 7 What display option in the setup program should be used if a VGA or a EGA card is installed in the system Use the Special Options choice to avoid seeing a 162 OPTIONS NOT SET error message What mouse products are recommended for use on the Equity 386 20 Both the serial mouse and the bus mouse by Microsoft have been approved for use on the new computer Are there any tested...

Страница 25: ...items have been tested an approved 3278 79 Emulation Adaptor IBM 5250 Board IRMA 2 IBM IBM DCA Inc Q29 I want to back up my hard disk What tape backup system can I use A The following units have been tested for use on the Equity 386 20 Archive VP150i Novell Certified Mountain Series 4000 Filesafe Tecmar QT 60e Tallgrass TG 4060 Q30 Will it support Unix and or Xenix Which versions A The Equity 386 ...

Страница 26: ...Token Ring Starter Kit Ver 1 1 IBM PC LAN Program Ver 1 2 IBM PC Network Protocol Driver Ver 1 0 IBM SFT Netware Level II Ver 2 1 Novell Card Etherlink II Etherlink Plus Token Ring Adaptor PC Network Adaptor Token Ring Adaptor Token Ring Adaptor II Token Ring Adaptor PC Network Adaptor II PC Network Adaptor Token Ring Adaptor PC Broadband Adaptor Broadband Adaptor II Mfg 3COM 3COM IBM IBM IBM IBM ...

Страница 27: ...4 0 Epson provides the device driver EEMM386 EXE with the Equity 386 20 that takes extended memory and emulates LIM EMS memory It is installed at boot up via a line in the CONFIG SYS file The proper syntax is DEVICE C EEMM386 EXE nnnn where nnnn is the amount of memory in kilobytes to be reserved for EMS emulation As the system boots and installs the device driver a message is displayed on the scr...

Страница 28: ...follows 1 2 Locate coprocessor socket location 4K on CHET board Locate pin 1 on coprocessor chip a dot on the upper side of the chip indicates pin 1 3 Locate pin 1 on the coprocessor socket a The silk screen on the board shows a diagonal cut on one corner of the outline of the socket b The center of the socket also has a corner diagonally cut SILK SCREEN This diagonally marked corner is pin 1 4 In...

Страница 29: ...n the CPU chip 5L and the CHET RM board connector CN1 from OFF to ON The J2 jumper must also be installed in the ON position for the Equity 386 20 to use the full potential of the coprocessor 6 Install the 80387 coprocessor in the EQ 386 20 SETUP utility ...

Страница 30: ... the difference can be determined by the FCC ID number in those cases The chart below provides a quick reference to determine the part number of the main keyboard PCB assembly key top set control logic subassembly and keyboard cable Apex Apex Plus Equity I II Ill Keyboard Keyboard Key Top Keyboard Model Unit Model PCB Assy set Cable Apex A265091A Equity I II Y145501001 Y145501021 Y144305000 Apex P...

Страница 31: ...ginator APA ap This bulletin provides information on the jumper settings for the hard disk controllers used in Epson Equity computers Please refer to the following pages for information regarding specific hard disk controllers Model Page WD1002A WX1 2 WD1002S WX2 3 WD1003 WAH 4 WD1002 WAH 5 WHDC 6 WD1006S WAH 7 ACB 2320 8 ...

Страница 32: ... used W2 N A Not used W3 1 to 2 BIOS ROM is enabled on controller W4 2 to 3 Device address 320H W5 hard wired 1 to 2 BIOS ROM size 32K or 64K W6 2 to 3 Reduced write current 8 heads W7 hard wired 1 to 2 IRQ 5 W8 2 to 3 Disk controller I D set to be the first No jumper pins 1 and 2 are connected by a PCB board etch ...

Страница 33: ...2 W3 1 to 2 W4 2 to 3 W5 hard wired 1 to 2 W6 2 to 3 W7 hard wired 1 to 2 Required for this configuration Required for this configuration BIOS ROM is enabled on controller Device address 320H BIOS ROM size 32K or 64K Reduced write current 8 heads IRQ 5 Extra jumper No jumper pins 1 and 2 are connected by a PCB board etch ...

Страница 34: ...umper W4 2 to 3 W5 2 to 3 W6 2 to 3 Status read is latched Primary address selected Required for this configuration Required for this configuration Standard configuration Standard configuration Connection of LED indicator cable Model Pin 1 of J6 Equity III Equity II Equity III Orange wire Blue wire Red wire No jumper pins ...

Страница 35: ...er j Jumper Position Description W1 1 to 2 Primary base address W2 Center to NL HDD activity LED only lights when the controller accesses the drive Connection of LED indicator cable Model Pin 1 of J4 Equity III Orange wire Equity II Blue wire Equity III Red wire ...

Страница 36: ... CN6 JP1 J1 2 to 3 B to C Primary address selected Equity III Orange wire JP2 J2 1 to 2 A to B Status read is non latched select drive busy Equity I I Blue wire JP3 J3 1 to 2 A to B WAH mode dual HDD controller Equity I I I Red wire JP4 to JP8 No jumper pins Hardwired to factory settings JP may labeled as J 1 as A 2 as B and 3 as C ...

Страница 37: ...tion Description Model Pin 1 of J1 W1 W2 W3 W4 W5 W6 1 to 2 LED lights for drive selection non latched 1 to 2 No reduced write current No jumper Enables cacheing No jumper Isolates mounting bracket from logic ground 1 to 2 Primary controller port No jumper Non latched mode Equity 386 20 Red wire No jumper pins ...

Страница 38: ... No jumpers 1 to 2 No jumper Connection of LED indicator cable Description Model Pin 1 of J4 Used for hardware port addressing Manufacturing test points DO NOT JUMPER Serial monitor output DO NOT JUMPER Manufacturing test points DO NOT JUMPER Not used Equity 386 20 Red wire Selects IRQ 14 ACB BIOS disabled no ROM present in location U25 ...

Страница 39: ...84802004 CCHE A05 CCHE B05 27256 10 27256 10 9C 9B Fixes problem with EMM386 SYS and KEYB COM If 16MB of memory is installed and EMM386 SYS and KEYB COM are installed CTRL ALT DEL will hang the system Fixes problem with Imprimis 94244 383 Conner CP344 CP3104 and CP3204F If two of these drives are installed and both are set to User Defined Parameters 1782 Disk Controller Failure is displayed often ...

Страница 40: ...s and between 800K and 960K in 8086 or 8088 based systems 16K pages of memory are allocated for an application s use and the EMM Expanded Memory Manager handles the job of mapping the pages in and out of the page frame as they are needed However in order to make use of expanded memory the software must be written to take advantage of the EMS Software such as Lotus 1 2 3 Microsoft Windows and Borla...

Страница 41: ...S 4 0 page mapping has been streamlined and new functions allow application programs to dynamically increase and decrease the amount of expanded memory allocated to them In previous versions of EMS the page frame was located in an unused 64K block of memory between 640K and 1Mb EMS 4 0 subject to limitations in the system hardware supports the page frame anywhere in the first 1Mb of memory Before ...

Страница 42: ...Ill Grande Byte STB Systems Intel Above Board AT Intel Corporation Liberty AT Quadram Corporation AST Advantage AST Research AST Rampage AT AST Research AST Ramvantage AST Research What memory expansion boards are compatible with the Equity I The following boards have been tested by Epson in the Equity I 64 256KB Expansion Option Above Board PC 1985 Fastcard IV 1 6 IBM Intel Corporation Thesys Wha...

Страница 43: ...12MHz models Rampage 286 Plus Elite 16 Above Board Plus AST Research Profit Systems Intel Corporation NOTE Previously boards from Micron Technology were listed as compatible with the 12MHz models of the Equity II and Equity Ill They have been removed from the list because Micron no longer produces ISA memory boards Q12 How do you expand the memory of the Equity 386 20 A Memory expansion in the Equ...

Страница 44: ...he extended memory as expanded memory Yes the Equity 386 20 system software includes the device driver EEMM386EXE This driver emulates LIM EMS 4 0 memory using the extended memory supplied by the additional SIMMs It will support only the onboard memory above 1 MB up to 15MB This is the maximum memory that can be installed on the CHET RM board It will not support memory installed on memory expansio...

Страница 45: ...y backfilling memory when using software such as DESQview Backfilling is a function of many expanded memory boards which allows a portion of the board s memory to be used as conventional memory In this way you could turn a 256K system into one with 840K memory or more In certain situations you may want to disable some of the computer s conventional memory and the use the memory on the expansion bo...

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