Epson Equity II Product Support Bulletin(s) - Page 28

Equity Ie, Equity Ii, Equity Ii+ 10mhz

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PSB No.: S-0062I Page: 1 of 18 VER 1.50 1.50 1.70 1.70 1.72 1.72 PART # 31302-562 31302-562 31302-562A 31302-562A 31302-562B 31302-562B 1.74 31302-562C 1.74 31302-562C 1.76 31302-562D 1.76 31302-562D DESC MTR-A2 MTR-B2 MTR-A3 MTR-B3 MTR-A4 MTR-B4 MTR-A5 MTR-B5 MTR-A6 MTR-B6 EQUITY Ie TYPE 27256-15 27256-15 27256-12 27256-12 27256-12 27256-12 LOC U21 U22 U21 U22 U21 U22 27256-12 U21 27256-12 U22 27256-12 U21 27256-12 U22 REASON INITIAL RELEASE Fixes error with FDD when the head is located beyond track 77 at power on. Fixes cursor key problem in MS Quick C. Fixes problem with IBM PC 3270 emulation on Gateway system. Fixes problems with Inset software. Fixes GW-Basic graphics problems; fixes number of supported colors shown in video mode from 255 to 256. VER 1.03 1.03 1.11 1.11 PART # Y147800801 Y147800701 Y147800802 Y147800702 1.11 Y147810802 1.11 Y147810702 DESC MQA-B1 MQA-A1 MQA-B2 MQA-A2 MSA-B2 MSA-A2 EQUITY II TYPE D2764 D2764 D2764 D2764 LOC 4U 5U 4U 5U M2764 4U M2764 5U REASON INITIAL RELEASE Fixes problems with EGA and with Lotus 123 Adds support for 4 FDDs and improves support for 1.2MB FDD. See MIB SM0003 (6/2/86). ROM BIOS EPROMs changed to masked ROMs. See ECN EQII-002 (02/13/87). VER 1.55 1.55 3.03 3.03 PART # Y162802000 Y162803000 22011035 22011036 EQUITY II+ (10MHz) DESC ADR-A1 ADR-B1 ODD303 EVEN303 TYPE M27C128 M27C128 M27C128 M27C128 LOC 3B 4B 3B 4B REASON INITIAL RELEASE SEE EQUITY II+ (12MHz) Bios upgrade. ECN EQII+-006 (4/2/93).

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PSB No.:
S-0062I
Page:
1 of 18
EQUITY Ie
VER
PART #
DESC
TYPE
LOC
REASON
1.50
1.50
31302-562
31302-562
MTR-A2
MTR-B2
27256-15
27256-15
U21
U22
INITIAL RELEASE
1.70
1.70
31302-562A
31302-562A
MTR-A3
MTR-B3
27256-12
27256-12
U21
U22
Fixes error with FDD when the head is
located beyond track 77 at power on.
1.72
1.72
31302-562B
31302-562B
MTR-A4
MTR-B4
27256-12
27256-12
U21
U22
Fixes cursor key problem in MS Quick
C. Fixes problem with IBM PC 3270
emulation on Gateway system.
1.74
1.74
31302-562C
31302-562C
MTR-A5
MTR-B5
27256-12
27256-12
U21
U22
Fixes problems with Inset software.
1.76
1.76
31302-562D
31302-562D
MTR-A6
MTR-B6
27256-12
27256-12
U21
U22
Fixes GW-Basic graphics problems;
fixes number of supported colors shown
in video mode from 255 to 256.
EQUITY II
VER
PART #
DESC
TYPE
LOC
REASON
1.03
1.03
Y147800801
Y147800701
MQA-B1
MQA-A1
D2764
D2764
4U
5U
INITIAL RELEASE
1.11
1.11
Y147800802
Y147800702
MQA-B2
MQA-A2
D2764
D2764
4U
5U
Fixes problems with EGA and with
Lotus 123
Adds support for 4 FDDs and
improves support for 1.2MB FDD.
See MIB SM0003 (6/2/86).
1.11
1.11
Y147810802
Y147810702
MSA-B2
MSA-A2
M2764
M2764
4U
5U
ROM BIOS EPROMs changed to
masked ROMs. See ECN EQII-002
(02/13/87).
EQUITY II+ (10MHz)
VER
PART #
DESC
TYPE
LOC
REASON
1.55
1.55
Y162802000
Y162803000
ADR-A1
ADR-B1
M27C128
M27C128
3B
4B
INITIAL RELEASE
3.03
3.03
22011035
22011036
ODD303
EVEN303
M27C128
M27C128
3B
4B
SEE EQUITY II+ (12MHz) Bios
upgrade.
ECN EQII+-006 (4/2/93).