2134/2176 SL-A-1 System Board

J1 Keyboard Connector
J2 Mouse Connector
J3 Serial Port A Connector
J4 Serial Port B Connector
J5 Parallel Port Connector (Printer)
J6 Monitor Signal Connector
J7 Diskette Drive Connector

J9 Primary Hard Disk (IDE) Drive Connector
(Hard Disk 1, Hard Disk 2)

J10 Secondary Hard Disk (IDE) Drive Connector
(Hard Disk 3 or CD-ROM, Hard Disk 4)
(for HD Jumper see AT-IDE Hard Disk Drive Jumper Settings)

J11 Riser Connector - PCI/ISA

J13 System Board FLASH Jumper
normal = 1-2

J14 VESA Video Feature Connector
J16 L2 Cache Module SRAM Type
normal = 2-3

J19 RAM 72-pin memory SIMM Socket Bank 1
J20 RAM 72-pin memory SIMM Socket Bank 2
J21 RAM 72-pin memory SIMM Socket Bank 3
J22 RAM 72-pin memory SIMM Socket Bank 4

J26 LED connector
(Power = 1-2, Hard Disk Drive = 3-4)

J27 Internal Speaker
enable = 1-2, disable = open

J29 Power Supply 2-pin Connector (On/Off switch)
J30 Power Supply Aux. 3-pin Connector

J35 System Board Clock Speed Selection

Jumper --- CPU Input Clock Speed --- 66MHz 60MHz 55MHz 50MHz --------------------------------------------------- J35 1-2 & 3-4 3-4 Open 1-2 Other Jumper settings are not supported and might cause system failures.

J42 Internal Monitor Connector
J43 Processor Fan Connector
J44 Feature Connector
J50 +12 Vdc Power Connector for External Speakers
J51 Cache Connector

JP2 Smart Energy System (SES) supply present
normal = 2-3

JP5 Wake Up on Ring Connector
JP10, JP11 Internal / external Processor Speed Jumpers

Jumper --- Ext/int Clock Speed Ratio --- 2/3 1/2 2/5 1/3 --------------------------------------------------- JP10 2-3 1-2 1-2 2-3 JP11 2-3 2-3 1-2 1-2 Other Jumper settings are not supported and might cause system failures.

JP12 Mouse enable
enable = 1-2, disable = 2-3

JP14 CMOS, Power-on Password Reset
normal = 1-2, Clear = 2-3

JP37 On-board video enable
enable = 1-2, disable = open

JP40 Keyboard, Mouse disable Jumper
enable = 1-2, disable = 2-3

P1, P2 Power Supply Connector
P11 3.3 Vdc Power Supply Connector
U1 Processor

System Memory

Both Type A-1 and Type A-2 system boards support 72-Pin, 60 or 70 NS, tin-lead, fast page or EDO, 32 or 36 bit Single Inline Memory Module, (SIMM).

SIMM Configurations Board Type A-1

Factory-installed SIMMS are non-parity SIMMS. However, both parity and non-parity industry standard SIMMS are supported.
When installing SIMMs, run the Setup Utility to clear XX62 or 164 error codes.

Total Memory J19 Socket 1 J20 Socket 2 J21 Socket 3 J22 Socket 4 8 MB 8 MB - - - 8 MB 4 MB 4 MB - - 8 MB - 4 MB 4 MB - 12 MB 4 MB - 4 MB 4 MB 16 MB 16 MB - - - 16 MB 8 MB 8 MB - - 16 MB 4 MB 4 MB 4 MB 4 MB 16 MB 8 MB - 4 MB 4 MB 16 MB - - 8 MB 8 MB 20 MB 4 MB - 8 MB 8 MB 24 MB 8 MB 8 MB 4 MB 4 MB 24 MB 4 MB 4 MB 8 MB 8 MB 24 MB 16 MB - 4 MB 4 MB 24 MB 8 MB - 8 MB 8 MB 32 MB 32 MB - - - 32 MB 16 MB 16 MB - - 32 MB 8 MB 8 MB 8 MB 8 MB 32 MB 16 MB - 8 MB 8 MB 32 MB - - 16 MB 16 MB 36 MB 4 MB - 16 MB 16 MB 40 MB 16 MB 16 MB 4 MB 4 MB 40 MB 4 MB 4 MB 16 MB 16 MB 40 MB 32 MB - 4 MB 4 MB 40 MB 8 MB - 16 MB 16 MB 48 MB 16 MB 16 MB 8 MB 8 MB 48 MB 8 MB 8 MB 16 MB 16 MB 48 MB 32 MB - 8 MB 8 MB 48 MB 16 MB - 16 MB 16 MB 64 MB 32 MB 32 MB - - 64 MB 16 MB 16 MB 16 MB 16 MB 64 MB 32 MB - 16 MB 16 MB 64 MB - - 32 MB 32 MB 68 MB 4 MB - 32 MB 32 MB 72 MB 32 MB 32 MB 4 MB 4 MB 72 MB 4 MB 4 MB 32 MB 32 MB 72 MB 8 MB - 32 MB 32 MB 80 MB 32 MB 32 MB 8 MB 8 MB 80 MB 8 MB 8 MB 32 MB 32 MB 80 MB 16 MB - 32 MB 32 MB 96 MB 32 MB 32 MB 16 MB 16 MB 96 MB 16 MB 16 MB 32 MB 32 MB 96 MB 32 MB - 32 MB 32 MB 128 MB 32 MB 32 MB 32 MB 32 MB

Total Memory	J19 Socket 1	J20 Socket 2	J21 Socket 3	J22 Socket 4
8 MB	8 MB	-	-	-
8 MB	4 MB	4 MB	-	-
8 MB	-	4 MB	4 MB	-
12 MB	4 MB	-	4 MB	4 MB
16 MB	16 MB	-	-	-
16 MB	8 MB	8 MB	-	-
16 MB	4 MB	4 MB	4 MB	4 MB
16 MB	8 MB	-	4 MB	4 MB
16 MB	-	-	8 MB	8 MB
20 MB	4 MB	-	8 MB	8 MB
24 MB	8 MB	8 MB	4 MB	4 MB
24 MB	4 MB	4 MB	8 MB	8 MB
24 MB	16 MB	-	4 MB	4 MB
24 MB	8 MB	-	8 MB	8 MB
32 MB	32 MB	-	-	-
32 MB	16 MB	16 MB	-	-
32 MB	8 MB	8 MB	8 MB	8 MB
32 MB	16 MB	-	8 MB	8 MB
32 MB	-	-	16 MB	16 MB
36 MB	4 MB	-	16 MB	16 MB
40 MB	16 MB	16 MB	4 MB	4 MB
40 MB	4 MB	4 MB	16 MB	16 MB
40 MB	32 MB	-	4 MB	4 MB
40 MB	8 MB	-	16 MB	16 MB
48 MB	16 MB	16 MB	8 MB	8 MB
48 MB	8 MB	8 MB	16 MB	16 MB
48 MB	32 MB	-	8 MB	8 MB
48 MB	16 MB	-	16 MB	16 MB
64 MB	32 MB	32 MB	-	-
64 MB	16 MB	16 MB	16 MB	16 MB
64 MB	32 MB	-	16 MB	16 MB
64 MB	-	-	32 MB	32 MB
68 MB	4 MB	-	32 MB	32 MB
72 MB	32 MB	32 MB	4 MB	4 MB
72 MB	4 MB	4 MB	32 MB	32 MB
72 MB	8 MB	-	32 MB	32 MB
80 MB	32 MB	32 MB	8 MB	8 MB
80 MB	8 MB	8 MB	32 MB	32 MB
80 MB	16 MB	-	32 MB	32 MB
96 MB	32 MB	32 MB	16 MB	16 MB
96 MB	16 MB	16 MB	32 MB	32 MB
96 MB	32 MB	-	32 MB	32 MB
128 MB	32 MB	32 MB	32 MB	32 MB

Referesh Rates and Monitor Frequencies
(Type A-1 System Board with SIS 6205 Video Chip)

RESOLUTION COLOR 640x480 800x600 1024x768 1280x1024 -------------------------------------------------------------- 256 85Hz 85Hz 75Hz 60Hz 64.000 85Hz 85Hz 75Hz 60Hz 16.000.000 85Hz 85Hz 75Hz 60Hz

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