Epson Equity 386/25 PLUS Product Support Bulletin Download

Page: 11 / 11

PSB No.: S-0062I

Page: 1 of 18

EQUITY 386/25 PLUS

VER

PART #DESC

TYPE

LOC

REASON

1.00.02

CWAE-A01

CWAE-B01

27C256

U81

U82

INITIAL RELEASE

1.03.07

Y707801001

Y707802001

CWAE-AO2

CWAE-BO2

27C256

U81

U82

To allow the use of dual monitors with

Microsoft Quick C. To allow the use

os Seagate SCSI controller and/or a

NIC remote boot ROM with the

password function. To allow the use

of ARCNET NICs at base address

2E0H. See ECN EQ386/25+-001

(2/6/91).

1.05.03

CWAE-A03

CWAE-B03

27C256

U81

U82

1.06.3B

Y707801003

Y707802003

CWAE-A04

CWAE-B04

27C256

U81

U82

Fixes problem with rapid keystrokes

using the enhanced 10-key area of

the keyboard. This problem may

cause shift key lock and/or keyboard

lockup. See ECN No: EQ386/25+-

002 (2/7/92).

1.06.4B

Y707801004

Y707802004

CWAE-AS4

CWAE-BS4

27C256

U81

U82

Fixes problem with rapid keystrokes

using enhanced 10-key area of the

keyboard. This problem may cause

shift key lock and/or keyboard lockup.

Fixes problem with Conner HDDs that

causes failure with INT 13h function

0bh, write sector long. To allow

CMOS to indicate daylight saving time

mode. To resolve incompatibility with

E1181A, T1183A, Seiko, Nec,

Capetronic and other monitors for

modes 60, 61, 62 and 64. Upgraded

to be compatible with VESA monitor

timing guideline. See ECN No:

EQ386/25+-003 (4/3/92).

Summary of Contents for Equity 386/25 PLUS

Page 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 ...

Page 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...

Page 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...

Page 4: ...he speed can be set by using the CPU speed switch located on the front of the machine At either processor speed the system bus operates at a fixed speed of 8Mhz Q3 What is the Auto Speed function A The Equity 386 25 PLUS is capable of operating at 8MHz or 25MHz Some copy protected applications require the computer to run at 8MHz while accessing the program diskette By enabling the Auto speed funct...

Page 5: ...ore It also supports all of the option boards manufactured by Epson for the EQUITY series There are 4 standard l O expansion slots one with 8 bit bus and 3 with 16 bit bus The 16 bit slots will also accept 8 bit compatible cards The Equity 386 25 PLUS offers flexibility in tailoring the system to your needs Are there my tested internal modems that can be used The Epson Link PC and the HayeS 2400 b...

Page 6: ...ble with the Equity 386 25 PLUS The following products have been tested and approved 3278 79 Emulation Adaptor IBM 5250 Board IRMA 2 SDLC IBM IBM DCA Inc IBM Does the Equity 386 25 PLUS have a battery for the Real Time Clock The Equity 386 25 PLUS is using a Dallas model DS1287 which incorporates an HD146818 Compatible real time clock with an internal battery What VGA adapters are compatible with ...

Page 7: ...vices on the I O channel hold the READY signal low thus wait states are generated until the device can respond to the CPU Are the wait states user selectable No the Equity 386 25 PLUS automatically inserts them when needed after the command phase Of the processor clock cycle How many jumpers are on the system board There are fourteen 14 jumpers on the system board System Board Jumper 1 Enables inp...

Page 8: ...interface Other embedded controller AT type drives can also be used with the IDE Interface What extended hard drive support is available in the ROM BIOS that comes with the Epson Equity 386 25 PLUS The Seiko Epson BIOS will directly support hard drives that range in size from 10Mb to 153Mb There is direct support for the Seagate ST 251 and the ST 4096 hard disks as well as several ESDI drives By p...

Page 9: ...board and there are no jumpers to enable or disable it lf an additional or 3rd party board is present the BIOS ROM auto configure at bootup What type of RAM chips are used in the Equity 386 25 PLUS The Equity 386 25 PLUS utilities eight 8 D424256C 70 256x4 70 nSec RAM chips plus panty on the system board How do I increase the memory of the Equity 386 25 PLUS The standard Equity 386 25 PLUS system ...

Page 10: ...70 nSec NOTE The following SIMM chips do not work in the Equity 386 25 IBM Compaq Seimens Panasonic NMBS Cumulus SOFTWARE Q29 A What version of DOS is provided with the Equity 386 25 PLUS The Equity 386 25 PLUS is not bundled with an operating system When the system is purchased the customer can choose between MS DOS 3 3 and 4 01 or a third party operating system like OS 2 Xenix or Unix Q30 A Is t...

Page 11: ...AE B04 27C256 27C256 U81 U82 Fixes problem with rapid keystrokes using the enhanced 10 key area of the keyboard This problem may cause shift key lock and or keyboard lockup See ECN No EQ386 25 002 2 7 92 1 06 4B 1 06 4B Y707801004 Y707802004 CWAE AS4 CWAE BS4 27C256 27C256 U81 U82 Fixes problem with rapid keystrokes using enhanced 10 key area of the keyboard This problem may cause shift key lock a...

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