Expansion Slot; Extended Memory; Floppy Disk Drive - NEC HX4500 Service & Reference Manual

EMS
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6RPH VRIWZDUH UHTXLUHV (06 WR RSHUDWH
EPROM
(UDVDEOH 3URJUDPPDEOH 5HDG2QO\ 0HPRU\ $ W\SH RI PHPRU\ GHYLFH WKDW LV
XVXDOO\ XVHG WR VWRUH V\VWHP %,26 FRGH 7KLV FRGH FDQ EH HUDVHG ZLWK XOWUDYLROHW
OLJKW EXW LV QRW ORVW ZKHQ WKH FRPSXWHU LV SRZHUHG RII 6HH DOVR IODVK (3520 DQG
520
expanded memory
6HH (06

expansion slot

6HH EDFNSODQH VORW

extended memory

7KH SURWHFWHG PHPRU\ DERYH 0 WKDW LV GLUHFWO\ DFFHVVLEOH E\ WKH PLFURSURFHVVRU
WKURXJK FHUWDLQ XWLOLWLHV DQG RSHUDWLQJ V\VWHPV 7KLV PHP RU\ LV XVHG LQ FRPSXWHUV
ZLWK   DQG  PLFURSURFHVVRUV
F
flash EPROM
$ W\SH RI PHPRU\ GHYLFH WKDW LV XVXDOO\ XVHG WR VWRUH V\VWHP %,26 FRGH 7KLV FRGH
FDQ EH UHSODFHG ZLWK XSGDWHG FRGH IURP D IORSS\ GLVN EXW LV QRW ORVW ZKHQ WKH
FRPSXWHU LV SRZHUHG RII 6HH DOVR (3520 DQG 520

floppy disk drive

6HH GLVN GULYH
format
7KH SURFHVV XVHG WR RUJDQL]H D KDUG RU IORSS\ GLVN LQWR VHFWRUV VR LW FDQ DFFHSW GDWD
)RUPDWWLQJ GHVWUR\V DOO SUHYLRXV GDWD RQ WKH GLVN
G
(Gigabyte)
 E\WHV 6HH DOVR E\WH
4 Glossary