Epson Equity 286 PLUS Guia do Utilizador descarregar pdf (Página 32)

PSB No: S-0060A

Page: 5 of 8

Q22. Which Math- Coprocessor chip do I need?

A. An 8087 Math-Coprocessor chip which runs at 4.77MHz is recommended. Jumper

J1 must be removed for 8087 operation. Refer to figure 1 on page 8.

Q23. Where is the 8087 socket located?

A. The 8087 socket is located on the main system board next to the CPU chip toward

the rear of the board. The upper chassis, which holds the power supply and FDD

assembly must be removed to install the 8087. Refer to figure 1 on page 8.

Q24. Will IBM compiled BASIC programs run on the EQUITY I?

A. BASIC programs written for the IBM PC- XT will run as long as they do not

require IBM’s BASICA. BASICA is resident in IBM’s copyrighted ROMs. Equity

computers. use a version of GW - BASIC which is loaded from diskette. Due to

some differences in BASIC, some programs will not operate correctly if they require

BASICA. Some applications look for the file name BASICA. Renaming the

GW - BASIC file to BASICA can sometimes solve these problems.

Q25. I can’t find some of the programs referred to in the MS - DOS manual on the

MS - DOS diskette. Where are they?

A. The GW - BASIC diskette contains many of the utility programs, such as EDLIN

and XTree, which are referred to in the MS - DOS manual.

Q26. Can I use a third party type keyboard with the Equity I?

A. Yes, except for early production units which do not have any keyboard jumpers on

the main logic board. Third - party “enhanced- style” keyboards such as the IBM

XT - 101, NorthGate C/T - 101, Datadesk Turbo - 101, Keytronics 101, 5150 and

5151 or the standard PC/XT type 84 - key keyboards can be used. Jumpers must

be installed in positions J2 and J3 on the main MRS board. The original keyboard

may not be used once the jumpers have been installed. Refer to figure 1 on page

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Epson Equity 286 PLUS Guia do Utilizador Página 32